annotate Objects/bytesobject.c @ 46567:ffeecbebf3ca

Block 2.6-only doc change.
author Georg Brandl <georg@python.org>
date Sat, 26 Apr 2008 18:28:08 +0000
parents ad170a335967
children 44954d65a73a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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cbc8b3bd3157 Rename buffer -> bytearray.
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1 /* PyBytes (bytearray) implementation */
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2
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3 #define PY_SSIZE_T_CLEAN
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4 #include "Python.h"
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5 #include "structmember.h"
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6 #include "bytes_methods.h"
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7
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8 static PyBytesObject *nullbytes = NULL;
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9
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10 void
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11 PyBytes_Fini(void)
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12 {
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13 Py_CLEAR(nullbytes);
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14 }
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15
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16 int
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17 PyBytes_Init(void)
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18 {
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19 nullbytes = PyObject_New(PyBytesObject, &PyBytes_Type);
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20 if (nullbytes == NULL)
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21 return 0;
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22 nullbytes->ob_bytes = NULL;
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23 Py_SIZE(nullbytes) = nullbytes->ob_alloc = 0;
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24 nullbytes->ob_exports = 0;
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25 return 1;
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26 }
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27
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28 /* end nullbytes support */
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29
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30 /* Helpers */
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31
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32 static int
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33 _getbytevalue(PyObject* arg, int *value)
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34 {
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35 long face_value;
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36
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37 if (PyLong_Check(arg)) {
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38 face_value = PyLong_AsLong(arg);
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39 if (face_value < 0 || face_value >= 256) {
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40 PyErr_SetString(PyExc_ValueError, "byte must be in range(0, 256)");
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41 return 0;
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42 }
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43 } else {
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44 PyErr_Format(PyExc_TypeError, "an integer is required");
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45 return 0;
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46 }
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48 *value = face_value;
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49 return 1;
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50 }
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51
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52 static int
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53 bytes_getbuffer(PyBytesObject *obj, Py_buffer *view, int flags)
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54 {
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55 int ret;
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56 void *ptr;
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57 if (view == NULL) {
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58 obj->ob_exports++;
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59 return 0;
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60 }
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61 if (obj->ob_bytes == NULL)
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62 ptr = "";
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63 else
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64 ptr = obj->ob_bytes;
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65 ret = PyBuffer_FillInfo(view, ptr, Py_SIZE(obj), 0, flags);
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66 if (ret >= 0) {
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67 obj->ob_exports++;
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68 }
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69 return ret;
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70 }
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71
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72 static void
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73 bytes_releasebuffer(PyBytesObject *obj, Py_buffer *view)
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74 {
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75 obj->ob_exports--;
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76 }
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77
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78 static Py_ssize_t
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79 _getbuffer(PyObject *obj, Py_buffer *view)
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80 {
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81 PyBufferProcs *buffer = Py_TYPE(obj)->tp_as_buffer;
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82
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83 if (buffer == NULL || buffer->bf_getbuffer == NULL)
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84 {
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85 PyErr_Format(PyExc_TypeError,
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86 "Type %.100s doesn't support the buffer API",
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87 Py_TYPE(obj)->tp_name);
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88 return -1;
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89 }
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91 if (buffer->bf_getbuffer(obj, view, PyBUF_SIMPLE) < 0)
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92 return -1;
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93 return view->len;
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94 }
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95
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96 /* Direct API functions */
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97
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98 PyObject *
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99 PyBytes_FromObject(PyObject *input)
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100 {
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101 return PyObject_CallFunctionObjArgs((PyObject *)&PyBytes_Type,
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102 input, NULL);
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103 }
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104
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105 PyObject *
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106 PyBytes_FromStringAndSize(const char *bytes, Py_ssize_t size)
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107 {
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108 PyBytesObject *new;
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109 Py_ssize_t alloc;
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110
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111 if (size < 0) {
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112 PyErr_SetString(PyExc_SystemError,
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113 "Negative size passed to PyBytes_FromStringAndSize");
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114 return NULL;
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115 }
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116
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117 new = PyObject_New(PyBytesObject, &PyBytes_Type);
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118 if (new == NULL)
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119 return NULL;
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120
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121 if (size == 0) {
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122 new->ob_bytes = NULL;
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123 alloc = 0;
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Guido van Rossum <guido@python.org>
parents: 41450
diff changeset
124 }
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
125 else {
41595
2c54763c4504 More coding by random modification.
Guido van Rossum <guido@python.org>
parents: 41450
diff changeset
126 alloc = size + 1;
2c54763c4504 More coding by random modification.
Guido van Rossum <guido@python.org>
parents: 41450
diff changeset
127 new->ob_bytes = PyMem_Malloc(alloc);
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
128 if (new->ob_bytes == NULL) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
129 Py_DECREF(new);
43031
ac2d5d346252 Try to fix the problem on the Windows buildbot where this code:
Neal Norwitz <nnorwitz@gmail.com>
parents: 43001
diff changeset
130 return PyErr_NoMemory();
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
131 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
132 if (bytes != NULL)
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
133 memcpy(new->ob_bytes, bytes, size);
41595
2c54763c4504 More coding by random modification.
Guido van Rossum <guido@python.org>
parents: 41450
diff changeset
134 new->ob_bytes[size] = '\0'; /* Trailing null byte */
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
135 }
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
136 Py_SIZE(new) = size;
41595
2c54763c4504 More coding by random modification.
Guido van Rossum <guido@python.org>
parents: 41450
diff changeset
137 new->ob_alloc = alloc;
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
138 new->ob_exports = 0;
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
139
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
140 return (PyObject *)new;
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
141 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
142
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
143 Py_ssize_t
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
144 PyBytes_Size(PyObject *self)
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
145 {
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
146 assert(self != NULL);
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
147 assert(PyBytes_Check(self));
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
148
38117
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
149 return PyBytes_GET_SIZE(self);
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
150 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
151
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
152 char *
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
153 PyBytes_AsString(PyObject *self)
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
154 {
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
155 assert(self != NULL);
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
156 assert(PyBytes_Check(self));
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
157
38117
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
158 return PyBytes_AS_STRING(self);
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
159 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
160
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
161 int
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
162 PyBytes_Resize(PyObject *self, Py_ssize_t size)
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
163 {
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
164 void *sval;
38115
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
165 Py_ssize_t alloc = ((PyBytesObject *)self)->ob_alloc;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
166
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
167 assert(self != NULL);
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
168 assert(PyBytes_Check(self));
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
169 assert(size >= 0);
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
170
38115
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
171 if (size < alloc / 2) {
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
172 /* Major downsize; resize down to exact size */
41597
cb3c92062ec4 Add trailing null bytes to a few more places.
Guido van Rossum <guido@python.org>
parents: 41595
diff changeset
173 alloc = size + 1;
38115
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
174 }
41595
2c54763c4504 More coding by random modification.
Guido van Rossum <guido@python.org>
parents: 41450
diff changeset
175 else if (size < alloc) {
38115
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
176 /* Within allocated size; quick exit */
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
177 Py_SIZE(self) = size;
42975
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
178 ((PyBytesObject *)self)->ob_bytes[size] = '\0'; /* Trailing null */
38115
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
179 return 0;
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
180 }
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
181 else if (size <= alloc * 1.125) {
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
182 /* Moderate upsize; overallocate similar to list_resize() */
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
183 alloc = size + (size >> 3) + (size < 9 ? 3 : 6);
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
184 }
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
185 else {
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
186 /* Major upsize; resize up to exact size */
41597
cb3c92062ec4 Add trailing null bytes to a few more places.
Guido van Rossum <guido@python.org>
parents: 41595
diff changeset
187 alloc = size + 1;
38115
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
188 }
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
189
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
190 if (((PyBytesObject *)self)->ob_exports > 0) {
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
191 /*
42975
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
192 fprintf(stderr, "%d: %s", ((PyBytesObject *)self)->ob_exports,
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
193 ((PyBytesObject *)self)->ob_bytes);
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
194 */
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
195 PyErr_SetString(PyExc_BufferError,
42975
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
196 "Existing exports of data: object cannot be re-sized");
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
197 return -1;
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
198 }
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
199
38115
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
200 sval = PyMem_Realloc(((PyBytesObject *)self)->ob_bytes, alloc);
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
201 if (sval == NULL) {
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
202 PyErr_NoMemory();
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
203 return -1;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
204 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
205
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
206 ((PyBytesObject *)self)->ob_bytes = sval;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
207 Py_SIZE(self) = size;
38115
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
208 ((PyBytesObject *)self)->ob_alloc = alloc;
41595
2c54763c4504 More coding by random modification.
Guido van Rossum <guido@python.org>
parents: 41450
diff changeset
209 ((PyBytesObject *)self)->ob_bytes[size] = '\0'; /* Trailing null byte */
2c54763c4504 More coding by random modification.
Guido van Rossum <guido@python.org>
parents: 41450
diff changeset
210
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
211 return 0;
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
212 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
213
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
214 PyObject *
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
215 PyBytes_Concat(PyObject *a, PyObject *b)
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
216 {
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
217 Py_ssize_t size;
43423
0476a2cc5658 Change PyBuffer to Py_buffer to be consistent with other non-object structures like Py_complex. Add some more functionality to the memoryview object.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43321
diff changeset
218 Py_buffer va, vb;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
219 PyBytesObject *result = NULL;
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
220
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
221 va.len = -1;
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
222 vb.len = -1;
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
223 if (_getbuffer(a, &va) < 0 ||
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
224 _getbuffer(b, &vb) < 0) {
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
225 PyErr_Format(PyExc_TypeError, "can't concat %.100s to %.100s",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
226 Py_TYPE(a)->tp_name, Py_TYPE(b)->tp_name);
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
227 goto done;
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
228 }
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
229
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
230 size = va.len + vb.len;
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
231 if (size < 0) {
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
232 return PyErr_NoMemory();
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
233 goto done;
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
234 }
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
235
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
236 result = (PyBytesObject *) PyBytes_FromStringAndSize(NULL, size);
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
237 if (result != NULL) {
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
238 memcpy(result->ob_bytes, va.buf, va.len);
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
239 memcpy(result->ob_bytes + va.len, vb.buf, vb.len);
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
240 }
42779
4b7036dc76d5 Whitespace cleanup.
Guido van Rossum <guido@python.org>
parents: 42669
diff changeset
241
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
242 done:
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
243 if (va.len != -1)
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
244 PyObject_ReleaseBuffer(a, &va);
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
245 if (vb.len != -1)
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
246 PyObject_ReleaseBuffer(b, &vb);
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
247 return (PyObject *)result;
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
248 }
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
249
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
250 /* Functions stuffed into the type object */
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
251
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
252 static Py_ssize_t
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
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diff changeset
253 bytes_length(PyBytesObject *self)
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
254 {
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255 return Py_SIZE(self);
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
256 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
257
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
258 static PyObject *
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
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diff changeset
259 bytes_iconcat(PyBytesObject *self, PyObject *other)
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
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parents: 41448
diff changeset
260 {
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261 Py_ssize_t mysize;
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262 Py_ssize_t size;
43423
0476a2cc5658 Change PyBuffer to Py_buffer to be consistent with other non-object structures like Py_complex. Add some more functionality to the memoryview object.
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parents: 43321
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263 Py_buffer vo;
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
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parents: 42499
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264
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
265 if (_getbuffer(other, &vo) < 0) {
42975
71cd5598b74d Commit strict str/bytes distinction.
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parents: 42893
diff changeset
266 PyErr_Format(PyExc_TypeError, "can't concat bytes to %.100s",
44351
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parents: 44249
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267 Py_TYPE(self)->tp_name);
42975
71cd5598b74d Commit strict str/bytes distinction.
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parents: 42893
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268 return NULL;
37960
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269 }
41448
458c8db2e946 Clean up trailing whitespace.
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parents: 41426
diff changeset
270
44351
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271 mysize = Py_SIZE(self);
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272 size = mysize + vo.len;
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
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273 if (size < 0) {
42975
71cd5598b74d Commit strict str/bytes distinction.
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274 PyObject_ReleaseBuffer(other, &vo);
71cd5598b74d Commit strict str/bytes distinction.
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275 return PyErr_NoMemory();
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parents: 42499
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276 }
41597
cb3c92062ec4 Add trailing null bytes to a few more places.
Guido van Rossum <guido@python.org>
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diff changeset
277 if (size < self->ob_alloc) {
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278 Py_SIZE(self) = size;
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
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279 self->ob_bytes[Py_SIZE(self)] = '\0'; /* Trailing null byte */
41597
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parents: 41595
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280 }
42665
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parents: 42499
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281 else if (PyBytes_Resize((PyObject *)self, size) < 0) {
42975
71cd5598b74d Commit strict str/bytes distinction.
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parents: 42893
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282 PyObject_ReleaseBuffer(other, &vo);
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
283 return NULL;
42665
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parents: 42499
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284 }
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
285 memcpy(self->ob_bytes + mysize, vo.buf, vo.len);
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
286 PyObject_ReleaseBuffer(other, &vo);
38017
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
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parents: 37960
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287 Py_INCREF(self);
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
288 return (PyObject *)self;
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
289 }
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
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parents: 37960
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290
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
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parents: 37960
diff changeset
291 static PyObject *
37960
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diff changeset
292 bytes_repeat(PyBytesObject *self, Py_ssize_t count)
e0b7e34b5971 Added much functionality to the bytes type.
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parents: 37930
diff changeset
293 {
e0b7e34b5971 Added much functionality to the bytes type.
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parents: 37930
diff changeset
294 PyBytesObject *result;
e0b7e34b5971 Added much functionality to the bytes type.
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diff changeset
295 Py_ssize_t mysize;
e0b7e34b5971 Added much functionality to the bytes type.
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parents: 37930
diff changeset
296 Py_ssize_t size;
e0b7e34b5971 Added much functionality to the bytes type.
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diff changeset
297
e0b7e34b5971 Added much functionality to the bytes type.
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parents: 37930
diff changeset
298 if (count < 0)
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diff changeset
299 count = 0;
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parents: 44249
diff changeset
300 mysize = Py_SIZE(self);
37960
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diff changeset
301 size = mysize * count;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
302 if (count != 0 && size / count != mysize)
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
303 return PyErr_NoMemory();
41595
2c54763c4504 More coding by random modification.
Guido van Rossum <guido@python.org>
parents: 41450
diff changeset
304 result = (PyBytesObject *)PyBytes_FromStringAndSize(NULL, size);
37960
e0b7e34b5971 Added much functionality to the bytes type.
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parents: 37930
diff changeset
305 if (result != NULL && size != 0) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
306 if (mysize == 1)
e0b7e34b5971 Added much functionality to the bytes type.
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parents: 37930
diff changeset
307 memset(result->ob_bytes, self->ob_bytes[0], size);
e0b7e34b5971 Added much functionality to the bytes type.
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parents: 37930
diff changeset
308 else {
38017
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
309 Py_ssize_t i;
37960
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diff changeset
310 for (i = 0; i < count; i++)
e0b7e34b5971 Added much functionality to the bytes type.
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parents: 37930
diff changeset
311 memcpy(result->ob_bytes + i*mysize, self->ob_bytes, mysize);
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
312 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
313 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
314 return (PyObject *)result;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
315 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
316
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
317 static PyObject *
38017
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
318 bytes_irepeat(PyBytesObject *self, Py_ssize_t count)
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
319 {
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
320 Py_ssize_t mysize;
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
321 Py_ssize_t size;
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
322
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
323 if (count < 0)
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
324 count = 0;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
325 mysize = Py_SIZE(self);
38017
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
326 size = mysize * count;
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
327 if (count != 0 && size / count != mysize)
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
328 return PyErr_NoMemory();
41597
cb3c92062ec4 Add trailing null bytes to a few more places.
Guido van Rossum <guido@python.org>
parents: 41595
diff changeset
329 if (size < self->ob_alloc) {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
330 Py_SIZE(self) = size;
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
331 self->ob_bytes[Py_SIZE(self)] = '\0'; /* Trailing null byte */
41597
cb3c92062ec4 Add trailing null bytes to a few more places.
Guido van Rossum <guido@python.org>
parents: 41595
diff changeset
332 }
38115
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
333 else if (PyBytes_Resize((PyObject *)self, size) < 0)
38017
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
334 return NULL;
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
335
38017
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
336 if (mysize == 1)
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
337 memset(self->ob_bytes, self->ob_bytes[0], size);
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
338 else {
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
339 Py_ssize_t i;
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
340 for (i = 1; i < count; i++)
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
341 memcpy(self->ob_bytes + i*mysize, self->ob_bytes, mysize);
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
342 }
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
343
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
344 Py_INCREF(self);
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
345 return (PyObject *)self;
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
346 }
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
347
0b8e782b8484 Implement bytes += bytes, bytes *= int, int in bytes, bytes in bytes.
Guido van Rossum <guido@python.org>
parents: 37960
diff changeset
348 static PyObject *
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
349 bytes_getitem(PyBytesObject *self, Py_ssize_t i)
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
350 {
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
351 if (i < 0)
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
352 i += Py_SIZE(self);
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
353 if (i < 0 || i >= Py_SIZE(self)) {
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
354 PyErr_SetString(PyExc_IndexError, "bytearray index out of range");
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
355 return NULL;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
356 }
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 43947
diff changeset
357 return PyLong_FromLong((unsigned char)(self->ob_bytes[i]));
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
358 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
359
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
360 static PyObject *
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
361 bytes_subscript(PyBytesObject *self, PyObject *item)
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
362 {
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
363 if (PyIndex_Check(item)) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
364 Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
365
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
366 if (i == -1 && PyErr_Occurred())
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
367 return NULL;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
368
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
369 if (i < 0)
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
370 i += PyBytes_GET_SIZE(self);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
371
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
372 if (i < 0 || i >= Py_SIZE(self)) {
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
373 PyErr_SetString(PyExc_IndexError, "bytearray index out of range");
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
374 return NULL;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
375 }
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 43947
diff changeset
376 return PyLong_FromLong((unsigned char)(self->ob_bytes[i]));
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
377 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
378 else if (PySlice_Check(item)) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
379 Py_ssize_t start, stop, step, slicelength, cur, i;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
380 if (PySlice_GetIndicesEx((PySliceObject *)item,
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
381 PyBytes_GET_SIZE(self),
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
382 &start, &stop, &step, &slicelength) < 0) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
383 return NULL;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
384 }
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
385
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
386 if (slicelength <= 0)
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
387 return PyBytes_FromStringAndSize("", 0);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
388 else if (step == 1) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
389 return PyBytes_FromStringAndSize(self->ob_bytes + start,
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
390 slicelength);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
391 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
392 else {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
393 char *source_buf = PyBytes_AS_STRING(self);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
394 char *result_buf = (char *)PyMem_Malloc(slicelength);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
395 PyObject *result;
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
396
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
397 if (result_buf == NULL)
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
398 return PyErr_NoMemory();
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
399
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
400 for (cur = start, i = 0; i < slicelength;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
401 cur += step, i++) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
402 result_buf[i] = source_buf[cur];
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
403 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
404 result = PyBytes_FromStringAndSize(result_buf, slicelength);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
405 PyMem_Free(result_buf);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
406 return result;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
407 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
408 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
409 else {
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
410 PyErr_SetString(PyExc_TypeError, "bytearray indices must be integers");
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
411 return NULL;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
412 }
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
413 }
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
414
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
415 static int
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
416 bytes_setslice(PyBytesObject *self, Py_ssize_t lo, Py_ssize_t hi,
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
417 PyObject *values)
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
418 {
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
419 Py_ssize_t avail, needed;
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
420 void *bytes;
43423
0476a2cc5658 Change PyBuffer to Py_buffer to be consistent with other non-object structures like Py_complex. Add some more functionality to the memoryview object.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43321
diff changeset
421 Py_buffer vbytes;
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
422 int res = 0;
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
423
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
424 vbytes.len = -1;
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
425 if (values == (PyObject *)self) {
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
426 /* Make a copy and call this function recursively */
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
427 int err;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
428 values = PyBytes_FromObject(values);
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
429 if (values == NULL)
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
430 return -1;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
431 err = bytes_setslice(self, lo, hi, values);
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
432 Py_DECREF(values);
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
433 return err;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
434 }
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
435 if (values == NULL) {
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
436 /* del b[lo:hi] */
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
437 bytes = NULL;
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
438 needed = 0;
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
439 }
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
440 else {
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
441 if (_getbuffer(values, &vbytes) < 0) {
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
442 PyErr_Format(PyExc_TypeError,
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
443 "can't set bytes slice from %.100s",
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
444 Py_TYPE(values)->tp_name);
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
445 return -1;
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
446 }
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
447 needed = vbytes.len;
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
448 bytes = vbytes.buf;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
449 }
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
450
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
451 if (lo < 0)
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
452 lo = 0;
39643
3dd61ffd049e Fix buglet in slice assignment of bytesobjects: assigning to b[3:0] ('stop'
Thomas Wouters <thomas@python.org>
parents: 39631
diff changeset
453 if (hi < lo)
3dd61ffd049e Fix buglet in slice assignment of bytesobjects: assigning to b[3:0] ('stop'
Thomas Wouters <thomas@python.org>
parents: 39631
diff changeset
454 hi = lo;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
455 if (hi > Py_SIZE(self))
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
456 hi = Py_SIZE(self);
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
457
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
458 avail = hi - lo;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
459 if (avail < 0)
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
460 lo = hi = avail = 0;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
461
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
462 if (avail != needed) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
463 if (avail > needed) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
464 /*
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
465 0 lo hi old_size
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
466 | |<----avail----->|<-----tomove------>|
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
467 | |<-needed->|<-----tomove------>|
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
468 0 lo new_hi new_size
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
469 */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
470 memmove(self->ob_bytes + lo + needed, self->ob_bytes + hi,
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
471 Py_SIZE(self) - hi);
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
472 }
42975
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
473 /* XXX(nnorwitz): need to verify this can't overflow! */
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
474 if (PyBytes_Resize((PyObject *)self,
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
475 Py_SIZE(self) + needed - avail) < 0) {
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
476 res = -1;
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
477 goto finish;
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
478 }
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
479 if (avail < needed) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
480 /*
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
481 0 lo hi old_size
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
482 | |<-avail->|<-----tomove------>|
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
483 | |<----needed---->|<-----tomove------>|
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
484 0 lo new_hi new_size
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
485 */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
486 memmove(self->ob_bytes + lo + needed, self->ob_bytes + hi,
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
487 Py_SIZE(self) - lo - needed);
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
488 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
489 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
490
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
491 if (needed > 0)
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
492 memcpy(self->ob_bytes + lo, bytes, needed);
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
493
42779
4b7036dc76d5 Whitespace cleanup.
Guido van Rossum <guido@python.org>
parents: 42669
diff changeset
494
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
495 finish:
42779
4b7036dc76d5 Whitespace cleanup.
Guido van Rossum <guido@python.org>
parents: 42669
diff changeset
496 if (vbytes.len != -1)
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
497 PyObject_ReleaseBuffer(values, &vbytes);
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
498 return res;
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
499 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
500
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
501 static int
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
502 bytes_setitem(PyBytesObject *self, Py_ssize_t i, PyObject *value)
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
503 {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
504 Py_ssize_t ival;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
505
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
506 if (i < 0)
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
507 i += Py_SIZE(self);
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
508
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
509 if (i < 0 || i >= Py_SIZE(self)) {
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
510 PyErr_SetString(PyExc_IndexError, "bytearray index out of range");
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
511 return -1;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
512 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
513
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
514 if (value == NULL)
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
515 return bytes_setslice(self, i, i+1, NULL);
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
516
39631
8d71f9a6c1c3 Make bytesobject raise ValueError instead of TypeError again (thanks, Nick)
Thomas Wouters <thomas@python.org>
parents: 39610
diff changeset
517 ival = PyNumber_AsSsize_t(value, PyExc_ValueError);
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
518 if (ival == -1 && PyErr_Occurred())
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
519 return -1;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
520
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
521 if (ival < 0 || ival >= 256) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
522 PyErr_SetString(PyExc_ValueError, "byte must be in range(0, 256)");
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
523 return -1;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
524 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
525
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
526 self->ob_bytes[i] = ival;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
527 return 0;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
528 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
529
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
530 static int
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
531 bytes_ass_subscript(PyBytesObject *self, PyObject *item, PyObject *values)
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
532 {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
533 Py_ssize_t start, stop, step, slicelen, needed;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
534 char *bytes;
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
535
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
536 if (PyIndex_Check(item)) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
537 Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
538
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
539 if (i == -1 && PyErr_Occurred())
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
540 return -1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
541
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
542 if (i < 0)
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
543 i += PyBytes_GET_SIZE(self);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
544
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
545 if (i < 0 || i >= Py_SIZE(self)) {
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
546 PyErr_SetString(PyExc_IndexError, "bytearray index out of range");
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
547 return -1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
548 }
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
549
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
550 if (values == NULL) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
551 /* Fall through to slice assignment */
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
552 start = i;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
553 stop = i + 1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
554 step = 1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
555 slicelen = 1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
556 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
557 else {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
558 Py_ssize_t ival = PyNumber_AsSsize_t(values, PyExc_ValueError);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
559 if (ival == -1 && PyErr_Occurred())
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
560 return -1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
561 if (ival < 0 || ival >= 256) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
562 PyErr_SetString(PyExc_ValueError,
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
563 "byte must be in range(0, 256)");
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
564 return -1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
565 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
566 self->ob_bytes[i] = (char)ival;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
567 return 0;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
568 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
569 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
570 else if (PySlice_Check(item)) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
571 if (PySlice_GetIndicesEx((PySliceObject *)item,
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
572 PyBytes_GET_SIZE(self),
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
573 &start, &stop, &step, &slicelen) < 0) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
574 return -1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
575 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
576 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
577 else {
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
578 PyErr_SetString(PyExc_TypeError, "bytearray indices must be integer");
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
579 return -1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
580 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
581
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
582 if (values == NULL) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
583 bytes = NULL;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
584 needed = 0;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
585 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
586 else if (values == (PyObject *)self || !PyBytes_Check(values)) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
587 /* Make a copy an call this function recursively */
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
588 int err;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
589 values = PyBytes_FromObject(values);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
590 if (values == NULL)
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
591 return -1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
592 err = bytes_ass_subscript(self, item, values);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
593 Py_DECREF(values);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
594 return err;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
595 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
596 else {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
597 assert(PyBytes_Check(values));
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
598 bytes = ((PyBytesObject *)values)->ob_bytes;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
599 needed = Py_SIZE(values);
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
600 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
601 /* Make sure b[5:2] = ... inserts before 5, not before 2. */
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
602 if ((step < 0 && start < stop) ||
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
603 (step > 0 && start > stop))
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
604 stop = start;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
605 if (step == 1) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
606 if (slicelen != needed) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
607 if (slicelen > needed) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
608 /*
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
609 0 start stop old_size
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
610 | |<---slicelen--->|<-----tomove------>|
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
611 | |<-needed->|<-----tomove------>|
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
612 0 lo new_hi new_size
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
613 */
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
614 memmove(self->ob_bytes + start + needed, self->ob_bytes + stop,
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
615 Py_SIZE(self) - stop);
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
616 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
617 if (PyBytes_Resize((PyObject *)self,
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
618 Py_SIZE(self) + needed - slicelen) < 0)
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
619 return -1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
620 if (slicelen < needed) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
621 /*
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
622 0 lo hi old_size
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
623 | |<-avail->|<-----tomove------>|
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
624 | |<----needed---->|<-----tomove------>|
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
625 0 lo new_hi new_size
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
626 */
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
627 memmove(self->ob_bytes + start + needed, self->ob_bytes + stop,
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
628 Py_SIZE(self) - start - needed);
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
629 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
630 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
631
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
632 if (needed > 0)
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
633 memcpy(self->ob_bytes + start, bytes, needed);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
634
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
635 return 0;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
636 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
637 else {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
638 if (needed == 0) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
639 /* Delete slice */
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
640 Py_ssize_t cur, i;
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
641
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
642 if (step < 0) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
643 stop = start + 1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
644 start = stop + step * (slicelen - 1) - 1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
645 step = -step;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
646 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
647 for (cur = start, i = 0;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
648 i < slicelen; cur += step, i++) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
649 Py_ssize_t lim = step - 1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
650
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
651 if (cur + step >= PyBytes_GET_SIZE(self))
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
652 lim = PyBytes_GET_SIZE(self) - cur - 1;
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
653
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
654 memmove(self->ob_bytes + cur - i,
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
655 self->ob_bytes + cur + 1, lim);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
656 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
657 /* Move the tail of the bytes, in one chunk */
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
658 cur = start + slicelen*step;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
659 if (cur < PyBytes_GET_SIZE(self)) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
660 memmove(self->ob_bytes + cur - slicelen,
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
661 self->ob_bytes + cur,
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
662 PyBytes_GET_SIZE(self) - cur);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
663 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
664 if (PyBytes_Resize((PyObject *)self,
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
665 PyBytes_GET_SIZE(self) - slicelen) < 0)
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
666 return -1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
667
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
668 return 0;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
669 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
670 else {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
671 /* Assign slice */
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
672 Py_ssize_t cur, i;
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
673
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
674 if (needed != slicelen) {
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
675 PyErr_Format(PyExc_ValueError,
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
676 "attempt to assign bytes of size %zd "
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
677 "to extended slice of size %zd",
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
678 needed, slicelen);
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
679 return -1;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
680 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
681 for (cur = start, i = 0; i < slicelen; cur += step, i++)
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
682 self->ob_bytes[cur] = bytes[i];
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
683 return 0;
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
684 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
685 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
686 }
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
687
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
688 static int
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
689 bytes_init(PyBytesObject *self, PyObject *args, PyObject *kwds)
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
690 {
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
691 static char *kwlist[] = {"source", "encoding", "errors", 0};
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
692 PyObject *arg = NULL;
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
693 const char *encoding = NULL;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
694 const char *errors = NULL;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
695 Py_ssize_t count;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
696 PyObject *it;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
697 PyObject *(*iternext)(PyObject *);
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
698
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
699 if (Py_SIZE(self) != 0) {
38115
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
700 /* Empty previous contents (yes, do this first of all!) */
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
701 if (PyBytes_Resize((PyObject *)self, 0) < 0)
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
702 return -1;
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
703 }
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
704
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
705 /* Parse arguments */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
706 if (!PyArg_ParseTupleAndKeywords(args, kwds, "|Oss:bytes", kwlist,
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
707 &arg, &encoding, &errors))
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
708 return -1;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
709
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
710 /* Make a quick exit if no first argument */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
711 if (arg == NULL) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
712 if (encoding != NULL || errors != NULL) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
713 PyErr_SetString(PyExc_TypeError,
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
714 "encoding or errors without sequence argument");
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
715 return -1;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
716 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
717 return 0;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
718 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
719
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
720 if (PyUnicode_Check(arg)) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
721 /* Encode via the codec registry */
41598
ca448c607b14 Make all of test_bytes pass (except pickling, which is too badly busted).
Guido van Rossum <guido@python.org>
parents: 41597
diff changeset
722 PyObject *encoded, *new;
42975
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
723 if (encoding == NULL) {
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
724 PyErr_SetString(PyExc_TypeError,
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
725 "string argument without an encoding");
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
726 return -1;
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
727 }
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
728 encoded = PyCodec_Encode(arg, encoding, errors);
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
729 if (encoded == NULL)
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
730 return -1;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
731 assert(PyString_Check(encoded));
42975
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
732 new = bytes_iconcat(self, encoded);
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
733 Py_DECREF(encoded);
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
734 if (new == NULL)
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
735 return -1;
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
736 Py_DECREF(new);
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
737 return 0;
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
738 }
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
739
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
740 /* If it's not unicode, there can't be encoding or errors */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
741 if (encoding != NULL || errors != NULL) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
742 PyErr_SetString(PyExc_TypeError,
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
743 "encoding or errors without a string argument");
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
744 return -1;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
745 }
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
746
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
747 /* Is it an int? */
39631
8d71f9a6c1c3 Make bytesobject raise ValueError instead of TypeError again (thanks, Nick)
Thomas Wouters <thomas@python.org>
parents: 39610
diff changeset
748 count = PyNumber_AsSsize_t(arg, PyExc_ValueError);
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
749 if (count == -1 && PyErr_Occurred())
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
750 PyErr_Clear();
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
751 else {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
752 if (count < 0) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
753 PyErr_SetString(PyExc_ValueError, "negative count");
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
754 return -1;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
755 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
756 if (count > 0) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
757 if (PyBytes_Resize((PyObject *)self, count))
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
758 return -1;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
759 memset(self->ob_bytes, 0, count);
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
760 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
761 return 0;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
762 }
42779
4b7036dc76d5 Whitespace cleanup.
Guido van Rossum <guido@python.org>
parents: 42669
diff changeset
763
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
764 /* Use the buffer API */
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
765 if (PyObject_CheckBuffer(arg)) {
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
766 Py_ssize_t size;
43423
0476a2cc5658 Change PyBuffer to Py_buffer to be consistent with other non-object structures like Py_complex. Add some more functionality to the memoryview object.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43321
diff changeset
767 Py_buffer view;
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
768 if (PyObject_GetBuffer(arg, &view, PyBUF_FULL_RO) < 0)
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
769 return -1;
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
770 size = view.len;
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
771 if (PyBytes_Resize((PyObject *)self, size) < 0) goto fail;
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
772 if (PyBuffer_ToContiguous(self->ob_bytes, &view, size, 'C') < 0)
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
773 goto fail;
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
774 PyObject_ReleaseBuffer(arg, &view);
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
775 return 0;
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
776 fail:
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
777 PyObject_ReleaseBuffer(arg, &view);
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
778 return -1;
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
779 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
780
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
781 /* XXX Optimize this if the arguments is a list, tuple */
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
782
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
783 /* Get the iterator */
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
784 it = PyObject_GetIter(arg);
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
785 if (it == NULL)
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
786 return -1;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
787 iternext = *Py_TYPE(it)->tp_iternext;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
788
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
789 /* Run the iterator to exhaustion */
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
790 for (;;) {
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
791 PyObject *item;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
792 Py_ssize_t value;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
793
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
794 /* Get the next item */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
795 item = iternext(it);
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
796 if (item == NULL) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
797 if (PyErr_Occurred()) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
798 if (!PyErr_ExceptionMatches(PyExc_StopIteration))
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
799 goto error;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
800 PyErr_Clear();
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
801 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
802 break;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
803 }
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
804
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
805 /* Interpret it as an int (__index__) */
39631
8d71f9a6c1c3 Make bytesobject raise ValueError instead of TypeError again (thanks, Nick)
Thomas Wouters <thomas@python.org>
parents: 39610
diff changeset
806 value = PyNumber_AsSsize_t(item, PyExc_ValueError);
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
807 Py_DECREF(item);
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
808 if (value == -1 && PyErr_Occurred())
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
809 goto error;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
810
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
811 /* Range check */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
812 if (value < 0 || value >= 256) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
813 PyErr_SetString(PyExc_ValueError,
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
814 "bytes must be in range(0, 256)");
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
815 goto error;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
816 }
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
817
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
818 /* Append the byte */
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
819 if (Py_SIZE(self) < self->ob_alloc)
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
820 Py_SIZE(self)++;
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
821 else if (PyBytes_Resize((PyObject *)self, Py_SIZE(self)+1) < 0)
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
822 goto error;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
823 self->ob_bytes[Py_SIZE(self)-1] = value;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
824 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
825
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
826 /* Clean up and return success */
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
827 Py_DECREF(it);
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
828 return 0;
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
829
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
830 error:
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
831 /* Error handling when it != NULL */
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
832 Py_DECREF(it);
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
833 return -1;
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
834 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
835
40898
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
836 /* Mostly copied from string_repr, but without the
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
837 "smart quote" functionality. */
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
838 static PyObject *
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
839 bytes_repr(PyBytesObject *self)
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
840 {
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41668
diff changeset
841 static const char *hexdigits = "0123456789abcdef";
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
842 const char *quote_prefix = "bytearray(b";
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
843 const char *quote_postfix = ")";
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
844 Py_ssize_t length = Py_SIZE(self);
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
845 /* 14 == strlen(quote_prefix) + 2 + strlen(quote_postfix) */
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
846 size_t newsize = 14 + 4 * length;
40898
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
847 PyObject *v;
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
848 if (newsize > PY_SSIZE_T_MAX || newsize / 4 - 3 != length) {
40898
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
849 PyErr_SetString(PyExc_OverflowError,
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
850 "bytearray object is too large to make repr");
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
851 return NULL;
40898
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
852 }
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41668
diff changeset
853 v = PyUnicode_FromUnicode(NULL, newsize);
40898
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
854 if (v == NULL) {
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
855 return NULL;
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
856 }
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
857 else {
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
858 register Py_ssize_t i;
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41668
diff changeset
859 register Py_UNICODE c;
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41668
diff changeset
860 register Py_UNICODE *p;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
861 int quote;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
862
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
863 /* Figure out which quote to use; single is preferred */
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
864 quote = '\'';
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
865 {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
866 char *test, *start;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
867 start = PyBytes_AS_STRING(self);
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
868 for (test = start; test < start+length; ++test) {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
869 if (*test == '"') {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
870 quote = '\''; /* back to single */
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
871 goto decided;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
872 }
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
873 else if (*test == '\'')
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
874 quote = '"';
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
875 }
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
876 decided:
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
877 ;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
878 }
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
879
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41668
diff changeset
880 p = PyUnicode_AS_UNICODE(v);
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
881 while (*quote_prefix)
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
882 *p++ = *quote_prefix++;
40898
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
883 *p++ = quote;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
884
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
885 for (i = 0; i < length; i++) {
40898
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
886 /* There's at least enough room for a hex escape
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
887 and a closing quote. */
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41668
diff changeset
888 assert(newsize - (p - PyUnicode_AS_UNICODE(v)) >= 5);
40898
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
889 c = self->ob_bytes[i];
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
890 if (c == '\'' || c == '\\')
40898
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
891 *p++ = '\\', *p++ = c;
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
892 else if (c == '\t')
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
893 *p++ = '\\', *p++ = 't';
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
894 else if (c == '\n')
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
895 *p++ = '\\', *p++ = 'n';
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
896 else if (c == '\r')
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
897 *p++ = '\\', *p++ = 'r';
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
898 else if (c == 0)
41648
bc6ad63cd5f1 repr(b"\0") should return b"\x00", not the (unusual) b"\0".
Guido van Rossum <guido@python.org>
parents: 41598
diff changeset
899 *p++ = '\\', *p++ = 'x', *p++ = '0', *p++ = '0';
40898
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
900 else if (c < ' ' || c >= 0x7f) {
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41668
diff changeset
901 *p++ = '\\';
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41668
diff changeset
902 *p++ = 'x';
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41668
diff changeset
903 *p++ = hexdigits[(c & 0xf0) >> 4];
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41668
diff changeset
904 *p++ = hexdigits[c & 0xf];
40898
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
905 }
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
906 else
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
907 *p++ = c;
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
908 }
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41668
diff changeset
909 assert(newsize - (p - PyUnicode_AS_UNICODE(v)) >= 1);
40898
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
910 *p++ = quote;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
911 while (*quote_postfix) {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
912 *p++ = *quote_postfix++;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
913 }
40898
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
914 *p = '\0';
41769
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41668
diff changeset
915 if (PyUnicode_Resize(&v, (p - PyUnicode_AS_UNICODE(v)))) {
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41668
diff changeset
916 Py_DECREF(v);
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41668
diff changeset
917 return NULL;
b29d71d43c80 Add functions PyUnicode_Append() and PyUnicode_AppendAndDel() that mirror
Walter Dörwald <walter@livinglogic.de>
parents: 41668
diff changeset
918 }
40898
b58a4374ac21 Make bytes_repr return a string containing a b"" literal.
Georg Brandl <georg@python.org>
parents: 40472
diff changeset
919 return v;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
920 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
921 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
922
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
923 static PyObject *
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
924 bytes_str(PyObject *op)
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
925 {
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
926 if (Py_BytesWarningFlag) {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
927 if (PyErr_WarnEx(PyExc_BytesWarning,
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
928 "str() on a bytearray instance", 1))
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
929 return NULL;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
930 }
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
931 return bytes_repr((PyBytesObject*)op);
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
932 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
933
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
934 static PyObject *
41411
339015d98b78 For Make Benefit Glorious Nation of Backwards Compatibility,
Guido van Rossum <guido@python.org>
parents: 40982
diff changeset
935 bytes_richcompare(PyObject *self, PyObject *other, int op)
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
936 {
41411
339015d98b78 For Make Benefit Glorious Nation of Backwards Compatibility,
Guido van Rossum <guido@python.org>
parents: 40982
diff changeset
937 Py_ssize_t self_size, other_size;
43423
0476a2cc5658 Change PyBuffer to Py_buffer to be consistent with other non-object structures like Py_complex. Add some more functionality to the memoryview object.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43321
diff changeset
938 Py_buffer self_bytes, other_bytes;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
939 PyObject *res;
41411
339015d98b78 For Make Benefit Glorious Nation of Backwards Compatibility,
Guido van Rossum <guido@python.org>
parents: 40982
diff changeset
940 Py_ssize_t minsize;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
941 int cmp;
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
942
43001
eafc8b23589d Make it an error to compare a bytes object and a Unicode object.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 42975
diff changeset
943 /* Bytes can be compared to anything that supports the (binary)
eafc8b23589d Make it an error to compare a bytes object and a Unicode object.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 42975
diff changeset
944 buffer API. Except that a comparison with Unicode is always an
eafc8b23589d Make it an error to compare a bytes object and a Unicode object.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 42975
diff changeset
945 error, even if the comparison is for equality. */
eafc8b23589d Make it an error to compare a bytes object and a Unicode object.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 42975
diff changeset
946 if (PyObject_IsInstance(self, (PyObject*)&PyUnicode_Type) ||
eafc8b23589d Make it an error to compare a bytes object and a Unicode object.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 42975
diff changeset
947 PyObject_IsInstance(other, (PyObject*)&PyUnicode_Type)) {
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
948 if (Py_BytesWarningFlag && op == Py_EQ) {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
949 if (PyErr_WarnEx(PyExc_BytesWarning,
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
950 "Comparsion between bytearray and string", 1))
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
951 return NULL;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
952 }
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
953
43508
47c02791ec6b Patch #1049 by Thomas Lee.
Guido van Rossum <guido@python.org>
parents: 43423
diff changeset
954 Py_INCREF(Py_NotImplemented);
47c02791ec6b Patch #1049 by Thomas Lee.
Guido van Rossum <guido@python.org>
parents: 43423
diff changeset
955 return Py_NotImplemented;
43001
eafc8b23589d Make it an error to compare a bytes object and a Unicode object.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 42975
diff changeset
956 }
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
957
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
958 self_size = _getbuffer(self, &self_bytes);
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
959 if (self_size < 0) {
42975
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
960 PyErr_Clear();
41412
522b3f35d0eb Bytes should never equal unicode.
Guido van Rossum <guido@python.org>
parents: 41411
diff changeset
961 Py_INCREF(Py_NotImplemented);
522b3f35d0eb Bytes should never equal unicode.
Guido van Rossum <guido@python.org>
parents: 41411
diff changeset
962 return Py_NotImplemented;
522b3f35d0eb Bytes should never equal unicode.
Guido van Rossum <guido@python.org>
parents: 41411
diff changeset
963 }
41411
339015d98b78 For Make Benefit Glorious Nation of Backwards Compatibility,
Guido van Rossum <guido@python.org>
parents: 40982
diff changeset
964
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
965 other_size = _getbuffer(other, &other_bytes);
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
966 if (other_size < 0) {
42975
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
967 PyErr_Clear();
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
968 PyObject_ReleaseBuffer(self, &self_bytes);
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
969 Py_INCREF(Py_NotImplemented);
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
970 return Py_NotImplemented;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
971 }
41411
339015d98b78 For Make Benefit Glorious Nation of Backwards Compatibility,
Guido van Rossum <guido@python.org>
parents: 40982
diff changeset
972
339015d98b78 For Make Benefit Glorious Nation of Backwards Compatibility,
Guido van Rossum <guido@python.org>
parents: 40982
diff changeset
973 if (self_size != other_size && (op == Py_EQ || op == Py_NE)) {
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
974 /* Shortcut: if the lengths differ, the objects differ */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
975 cmp = (op == Py_NE);
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
976 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
977 else {
41411
339015d98b78 For Make Benefit Glorious Nation of Backwards Compatibility,
Guido van Rossum <guido@python.org>
parents: 40982
diff changeset
978 minsize = self_size;
339015d98b78 For Make Benefit Glorious Nation of Backwards Compatibility,
Guido van Rossum <guido@python.org>
parents: 40982
diff changeset
979 if (other_size < minsize)
339015d98b78 For Make Benefit Glorious Nation of Backwards Compatibility,
Guido van Rossum <guido@python.org>
parents: 40982
diff changeset
980 minsize = other_size;
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
981
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
982 cmp = memcmp(self_bytes.buf, other_bytes.buf, minsize);
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
983 /* In ISO C, memcmp() guarantees to use unsigned bytes! */
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
984
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
985 if (cmp == 0) {
41411
339015d98b78 For Make Benefit Glorious Nation of Backwards Compatibility,
Guido van Rossum <guido@python.org>
parents: 40982
diff changeset
986 if (self_size < other_size)
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
987 cmp = -1;
41411
339015d98b78 For Make Benefit Glorious Nation of Backwards Compatibility,
Guido van Rossum <guido@python.org>
parents: 40982
diff changeset
988 else if (self_size > other_size)
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
989 cmp = 1;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
990 }
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
991
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
992 switch (op) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
993 case Py_LT: cmp = cmp < 0; break;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
994 case Py_LE: cmp = cmp <= 0; break;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
995 case Py_EQ: cmp = cmp == 0; break;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
996 case Py_NE: cmp = cmp != 0; break;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
997 case Py_GT: cmp = cmp > 0; break;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
998 case Py_GE: cmp = cmp >= 0; break;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
999 }
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1000 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1001
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1002 res = cmp ? Py_True : Py_False;
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
1003 PyObject_ReleaseBuffer(self, &self_bytes);
42779
4b7036dc76d5 Whitespace cleanup.
Guido van Rossum <guido@python.org>
parents: 42669
diff changeset
1004 PyObject_ReleaseBuffer(other, &other_bytes);
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1005 Py_INCREF(res);
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1006 return res;
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1007 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1008
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1009 static void
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1010 bytes_dealloc(PyBytesObject *self)
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1011 {
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
1012 if (self->ob_bytes != 0) {
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
1013 PyMem_Free(self->ob_bytes);
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1014 }
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
1015 Py_TYPE(self)->tp_free((PyObject *)self);
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1016 }
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
1017
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1018
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1019 /* -------------------------------------------------------------------- */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1020 /* Methods */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1021
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1022 #define STRINGLIB_CHAR char
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1023 #define STRINGLIB_CMP memcmp
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1024 #define STRINGLIB_LEN PyBytes_GET_SIZE
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1025 #define STRINGLIB_STR PyBytes_AS_STRING
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1026 #define STRINGLIB_NEW PyBytes_FromStringAndSize
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1027 #define STRINGLIB_EMPTY nullbytes
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1028 #define STRINGLIB_CHECK_EXACT PyBytes_CheckExact
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1029 #define STRINGLIB_MUTABLE 1
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1030
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1031 #include "stringlib/fastsearch.h"
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1032 #include "stringlib/count.h"
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1033 #include "stringlib/find.h"
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1034 #include "stringlib/partition.h"
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1035 #include "stringlib/ctype.h"
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1036 #include "stringlib/transmogrify.h"
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1037
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1038
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1039 /* The following Py_LOCAL_INLINE and Py_LOCAL functions
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1040 were copied from the old char* style string object. */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1041
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1042 Py_LOCAL_INLINE(void)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1043 _adjust_indices(Py_ssize_t *start, Py_ssize_t *end, Py_ssize_t len)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1044 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1045 if (*end > len)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1046 *end = len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1047 else if (*end < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1048 *end += len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1049 if (*end < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1050 *end = 0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1051 if (*start < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1052 *start += len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1053 if (*start < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1054 *start = 0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1055 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1056
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1057
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1058 Py_LOCAL_INLINE(Py_ssize_t)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1059 bytes_find_internal(PyBytesObject *self, PyObject *args, int dir)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1060 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1061 PyObject *subobj;
43423
0476a2cc5658 Change PyBuffer to Py_buffer to be consistent with other non-object structures like Py_complex. Add some more functionality to the memoryview object.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43321
diff changeset
1062 Py_buffer subbuf;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1063 Py_ssize_t start=0, end=PY_SSIZE_T_MAX;
43150
1bb63a32a6c8 Per Georg's suggestion, get rid of str.decode() (which always raises an
Guido van Rossum <guido@python.org>
parents: 43031
diff changeset
1064 Py_ssize_t res;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1065
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1066 if (!PyArg_ParseTuple(args, "O|O&O&:find/rfind/index/rindex", &subobj,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1067 _PyEval_SliceIndex, &start, _PyEval_SliceIndex, &end))
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1068 return -2;
43150
1bb63a32a6c8 Per Georg's suggestion, get rid of str.decode() (which always raises an
Guido van Rossum <guido@python.org>
parents: 43031
diff changeset
1069 if (_getbuffer(subobj, &subbuf) < 0)
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1070 return -2;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1071 if (dir > 0)
43150
1bb63a32a6c8 Per Georg's suggestion, get rid of str.decode() (which always raises an
Guido van Rossum <guido@python.org>
parents: 43031
diff changeset
1072 res = stringlib_find_slice(
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1073 PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self),
43150
1bb63a32a6c8 Per Georg's suggestion, get rid of str.decode() (which always raises an
Guido van Rossum <guido@python.org>
parents: 43031
diff changeset
1074 subbuf.buf, subbuf.len, start, end);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1075 else
43150
1bb63a32a6c8 Per Georg's suggestion, get rid of str.decode() (which always raises an
Guido van Rossum <guido@python.org>
parents: 43031
diff changeset
1076 res = stringlib_rfind_slice(
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1077 PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self),
43150
1bb63a32a6c8 Per Georg's suggestion, get rid of str.decode() (which always raises an
Guido van Rossum <guido@python.org>
parents: 43031
diff changeset
1078 subbuf.buf, subbuf.len, start, end);
1bb63a32a6c8 Per Georg's suggestion, get rid of str.decode() (which always raises an
Guido van Rossum <guido@python.org>
parents: 43031
diff changeset
1079 PyObject_ReleaseBuffer(subobj, &subbuf);
1bb63a32a6c8 Per Georg's suggestion, get rid of str.decode() (which always raises an
Guido van Rossum <guido@python.org>
parents: 43031
diff changeset
1080 return res;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1081 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1082
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1083 PyDoc_STRVAR(find__doc__,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1084 "B.find(sub [,start [,end]]) -> int\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1085 \n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1086 Return the lowest index in B where subsection sub is found,\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1087 such that sub is contained within s[start,end]. Optional\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1088 arguments start and end are interpreted as in slice notation.\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1089 \n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1090 Return -1 on failure.");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1091
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1092 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1093 bytes_find(PyBytesObject *self, PyObject *args)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1094 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1095 Py_ssize_t result = bytes_find_internal(self, args, +1);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1096 if (result == -2)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1097 return NULL;
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 43947
diff changeset
1098 return PyLong_FromSsize_t(result);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1099 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1100
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1101 PyDoc_STRVAR(count__doc__,
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1102 "B.count(sub [,start [,end]]) -> int\n\
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1103 \n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1104 Return the number of non-overlapping occurrences of subsection sub in\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1105 bytes B[start:end]. Optional arguments start and end are interpreted\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1106 as in slice notation.");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1107
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1108 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1109 bytes_count(PyBytesObject *self, PyObject *args)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1110 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1111 PyObject *sub_obj;
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1112 const char *str = PyBytes_AS_STRING(self);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1113 Py_ssize_t start = 0, end = PY_SSIZE_T_MAX;
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1114 Py_buffer vsub;
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1115 PyObject *count_obj;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1116
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1117 if (!PyArg_ParseTuple(args, "O|O&O&:count", &sub_obj,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1118 _PyEval_SliceIndex, &start, _PyEval_SliceIndex, &end))
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1119 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1120
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1121 if (_getbuffer(sub_obj, &vsub) < 0)
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1122 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1123
42013
cd125fe83051 Make identifiers str (not str8) objects throughout.
Martin v. Löwis <martin@v.loewis.de>
parents: 41769
diff changeset
1124 _adjust_indices(&start, &end, PyBytes_GET_SIZE(self));
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1125
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 43947
diff changeset
1126 count_obj = PyLong_FromSsize_t(
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1127 stringlib_count(str + start, end - start, vsub.buf, vsub.len)
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1128 );
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1129 PyObject_ReleaseBuffer(sub_obj, &vsub);
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1130 return count_obj;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1131 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1132
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1133
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1134 PyDoc_STRVAR(index__doc__,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1135 "B.index(sub [,start [,end]]) -> int\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1136 \n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1137 Like B.find() but raise ValueError when the subsection is not found.");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1138
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1139 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1140 bytes_index(PyBytesObject *self, PyObject *args)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1141 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1142 Py_ssize_t result = bytes_find_internal(self, args, +1);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1143 if (result == -2)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1144 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1145 if (result == -1) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1146 PyErr_SetString(PyExc_ValueError,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1147 "subsection not found");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1148 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1149 }
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 43947
diff changeset
1150 return PyLong_FromSsize_t(result);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1151 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1152
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1153
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1154 PyDoc_STRVAR(rfind__doc__,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1155 "B.rfind(sub [,start [,end]]) -> int\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1156 \n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1157 Return the highest index in B where subsection sub is found,\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1158 such that sub is contained within s[start,end]. Optional\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1159 arguments start and end are interpreted as in slice notation.\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1160 \n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1161 Return -1 on failure.");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1162
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1163 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1164 bytes_rfind(PyBytesObject *self, PyObject *args)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1165 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1166 Py_ssize_t result = bytes_find_internal(self, args, -1);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1167 if (result == -2)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1168 return NULL;
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 43947
diff changeset
1169 return PyLong_FromSsize_t(result);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1170 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1171
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1172
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1173 PyDoc_STRVAR(rindex__doc__,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1174 "B.rindex(sub [,start [,end]]) -> int\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1175 \n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1176 Like B.rfind() but raise ValueError when the subsection is not found.");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1177
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1178 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1179 bytes_rindex(PyBytesObject *self, PyObject *args)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1180 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1181 Py_ssize_t result = bytes_find_internal(self, args, -1);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1182 if (result == -2)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1183 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1184 if (result == -1) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1185 PyErr_SetString(PyExc_ValueError,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1186 "subsection not found");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1187 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1188 }
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 43947
diff changeset
1189 return PyLong_FromSsize_t(result);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1190 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1191
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1192
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1193 static int
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1194 bytes_contains(PyObject *self, PyObject *arg)
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1195 {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1196 Py_ssize_t ival = PyNumber_AsSsize_t(arg, PyExc_ValueError);
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1197 if (ival == -1 && PyErr_Occurred()) {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1198 Py_buffer varg;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1199 int pos;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1200 PyErr_Clear();
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1201 if (_getbuffer(arg, &varg) < 0)
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1202 return -1;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
1203 pos = stringlib_find(PyBytes_AS_STRING(self), Py_SIZE(self),
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1204 varg.buf, varg.len, 0);
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1205 PyObject_ReleaseBuffer(arg, &varg);
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1206 return pos >= 0;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1207 }
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1208 if (ival < 0 || ival >= 256) {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1209 PyErr_SetString(PyExc_ValueError, "byte must be in range(0, 256)");
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1210 return -1;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1211 }
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1212
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
1213 return memchr(PyBytes_AS_STRING(self), ival, Py_SIZE(self)) != NULL;
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1214 }
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1215
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1216
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1217 /* Matches the end (direction >= 0) or start (direction < 0) of self
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1218 * against substr, using the start and end arguments. Returns
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1219 * -1 on error, 0 if not found and 1 if found.
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1220 */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1221 Py_LOCAL(int)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1222 _bytes_tailmatch(PyBytesObject *self, PyObject *substr, Py_ssize_t start,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1223 Py_ssize_t end, int direction)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1224 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1225 Py_ssize_t len = PyBytes_GET_SIZE(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1226 const char* str;
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1227 Py_buffer vsubstr;
43632
0067a6ab4854 Issue 1267, continued.
Guido van Rossum <guido@python.org>
parents: 43576
diff changeset
1228 int rv = 0;
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1229
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1230 str = PyBytes_AS_STRING(self);
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1231
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1232 if (_getbuffer(substr, &vsubstr) < 0)
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1233 return -1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1234
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1235 _adjust_indices(&start, &end, len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1236
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1237 if (direction < 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1238 /* startswith */
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1239 if (start+vsubstr.len > len) {
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1240 goto done;
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1241 }
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1242 } else {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1243 /* endswith */
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1244 if (end-start < vsubstr.len || start > len) {
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1245 goto done;
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1246 }
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1247
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1248 if (end-vsubstr.len > start)
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1249 start = end - vsubstr.len;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1250 }
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1251 if (end-start >= vsubstr.len)
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1252 rv = ! memcmp(str+start, vsubstr.buf, vsubstr.len);
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1253
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1254 done:
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1255 PyObject_ReleaseBuffer(substr, &vsubstr);
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1256 return rv;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1257 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1258
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1259
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1260 PyDoc_STRVAR(startswith__doc__,
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1261 "B.startswith(prefix [,start [,end]]) -> bool\n\
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1262 \n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1263 Return True if B starts with the specified prefix, False otherwise.\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1264 With optional start, test B beginning at that position.\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1265 With optional end, stop comparing B at that position.\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1266 prefix can also be a tuple of strings to try.");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1267
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1268 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1269 bytes_startswith(PyBytesObject *self, PyObject *args)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1270 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1271 Py_ssize_t start = 0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1272 Py_ssize_t end = PY_SSIZE_T_MAX;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1273 PyObject *subobj;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1274 int result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1275
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1276 if (!PyArg_ParseTuple(args, "O|O&O&:startswith", &subobj,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1277 _PyEval_SliceIndex, &start, _PyEval_SliceIndex, &end))
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1278 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1279 if (PyTuple_Check(subobj)) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1280 Py_ssize_t i;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1281 for (i = 0; i < PyTuple_GET_SIZE(subobj); i++) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1282 result = _bytes_tailmatch(self,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1283 PyTuple_GET_ITEM(subobj, i),
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1284 start, end, -1);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1285 if (result == -1)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1286 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1287 else if (result) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1288 Py_RETURN_TRUE;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1289 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1290 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1291 Py_RETURN_FALSE;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1292 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1293 result = _bytes_tailmatch(self, subobj, start, end, -1);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1294 if (result == -1)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1295 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1296 else
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1297 return PyBool_FromLong(result);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1298 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1299
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1300 PyDoc_STRVAR(endswith__doc__,
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1301 "B.endswith(suffix [,start [,end]]) -> bool\n\
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1302 \n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1303 Return True if B ends with the specified suffix, False otherwise.\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1304 With optional start, test B beginning at that position.\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1305 With optional end, stop comparing B at that position.\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1306 suffix can also be a tuple of strings to try.");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1307
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1308 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1309 bytes_endswith(PyBytesObject *self, PyObject *args)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1310 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1311 Py_ssize_t start = 0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1312 Py_ssize_t end = PY_SSIZE_T_MAX;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1313 PyObject *subobj;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1314 int result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1315
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1316 if (!PyArg_ParseTuple(args, "O|O&O&:endswith", &subobj,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1317 _PyEval_SliceIndex, &start, _PyEval_SliceIndex, &end))
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1318 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1319 if (PyTuple_Check(subobj)) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1320 Py_ssize_t i;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1321 for (i = 0; i < PyTuple_GET_SIZE(subobj); i++) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1322 result = _bytes_tailmatch(self,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1323 PyTuple_GET_ITEM(subobj, i),
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1324 start, end, +1);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1325 if (result == -1)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1326 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1327 else if (result) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1328 Py_RETURN_TRUE;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1329 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1330 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1331 Py_RETURN_FALSE;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1332 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1333 result = _bytes_tailmatch(self, subobj, start, end, +1);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1334 if (result == -1)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1335 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1336 else
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1337 return PyBool_FromLong(result);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1338 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1339
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1340
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1341 PyDoc_STRVAR(translate__doc__,
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
1342 "B.translate(table[, deletechars]) -> bytearray\n\
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1343 \n\
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1344 Return a copy of B, where all characters occurring in the\n\
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1345 optional argument deletechars are removed, and the remaining\n\
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1346 characters have been mapped through the given translation\n\
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
1347 table, which must be a bytes object of length 256.");
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1348
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1349 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1350 bytes_translate(PyBytesObject *self, PyObject *args)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1351 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1352 register char *input, *output;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1353 register const char *table;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1354 register Py_ssize_t i, c, changed = 0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1355 PyObject *input_obj = (PyObject*)self;
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1356 const char *output_start;
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1357 Py_ssize_t inlen;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1358 PyObject *result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1359 int trans_table[256];
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1360 PyObject *tableobj, *delobj = NULL;
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1361 Py_buffer vtable, vdel;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1362
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1363 if (!PyArg_UnpackTuple(args, "translate", 1, 2,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1364 &tableobj, &delobj))
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1365 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1366
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1367 if (_getbuffer(tableobj, &vtable) < 0)
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1368 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1369
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1370 if (vtable.len != 256) {
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1371 PyErr_SetString(PyExc_ValueError,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1372 "translation table must be 256 characters long");
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1373 result = NULL;
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1374 goto done;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1375 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1376
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1377 if (delobj != NULL) {
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1378 if (_getbuffer(delobj, &vdel) < 0) {
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1379 result = NULL;
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1380 goto done;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1381 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1382 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1383 else {
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1384 vdel.buf = NULL;
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1385 vdel.len = 0;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1386 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1387
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1388 table = (const char *)vtable.buf;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1389 inlen = PyBytes_GET_SIZE(input_obj);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1390 result = PyBytes_FromStringAndSize((char *)NULL, inlen);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1391 if (result == NULL)
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1392 goto done;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1393 output_start = output = PyBytes_AsString(result);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1394 input = PyBytes_AS_STRING(input_obj);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1395
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1396 if (vdel.len == 0) {
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1397 /* If no deletions are required, use faster code */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1398 for (i = inlen; --i >= 0; ) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1399 c = Py_CHARMASK(*input++);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1400 if (Py_CHARMASK((*output++ = table[c])) != c)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1401 changed = 1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1402 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1403 if (changed || !PyBytes_CheckExact(input_obj))
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1404 goto done;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1405 Py_DECREF(result);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1406 Py_INCREF(input_obj);
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1407 result = input_obj;
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1408 goto done;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1409 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1410
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1411 for (i = 0; i < 256; i++)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1412 trans_table[i] = Py_CHARMASK(table[i]);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1413
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1414 for (i = 0; i < vdel.len; i++)
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1415 trans_table[(int) Py_CHARMASK( ((unsigned char*)vdel.buf)[i] )] = -1;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1416
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1417 for (i = inlen; --i >= 0; ) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1418 c = Py_CHARMASK(*input++);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1419 if (trans_table[c] != -1)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1420 if (Py_CHARMASK(*output++ = (char)trans_table[c]) == c)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1421 continue;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1422 changed = 1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1423 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1424 if (!changed && PyBytes_CheckExact(input_obj)) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1425 Py_DECREF(result);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1426 Py_INCREF(input_obj);
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1427 result = input_obj;
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1428 goto done;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1429 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1430 /* Fix the size of the resulting string */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1431 if (inlen > 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1432 PyBytes_Resize(result, output - output_start);
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1433
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1434 done:
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1435 PyObject_ReleaseBuffer(tableobj, &vtable);
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1436 if (delobj != NULL)
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
1437 PyObject_ReleaseBuffer(delobj, &vdel);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1438 return result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1439 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1440
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1441
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1442 #define FORWARD 1
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1443 #define REVERSE -1
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1444
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1445 /* find and count characters and substrings */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1446
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1447 #define findchar(target, target_len, c) \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1448 ((char *)memchr((const void *)(target), c, target_len))
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1449
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1450 /* Don't call if length < 2 */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1451 #define Py_STRING_MATCH(target, offset, pattern, length) \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1452 (target[offset] == pattern[0] && \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1453 target[offset+length-1] == pattern[length-1] && \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1454 !memcmp(target+offset+1, pattern+1, length-2) )
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1455
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1456
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1457 /* Bytes ops must return a string. */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1458 /* If the object is subclass of bytes, create a copy */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1459 Py_LOCAL(PyBytesObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1460 return_self(PyBytesObject *self)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1461 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1462 if (PyBytes_CheckExact(self)) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1463 Py_INCREF(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1464 return (PyBytesObject *)self;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1465 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1466 return (PyBytesObject *)PyBytes_FromStringAndSize(
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1467 PyBytes_AS_STRING(self),
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1468 PyBytes_GET_SIZE(self));
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1469 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1470
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1471 Py_LOCAL_INLINE(Py_ssize_t)
43687
6ab64f6b4c03 Fix some Py_ssize_t warnings on Win64 that were probably bugs
Neal Norwitz <nnorwitz@gmail.com>
parents: 43632
diff changeset
1472 countchar(const char *target, Py_ssize_t target_len, char c, Py_ssize_t maxcount)
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1473 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1474 Py_ssize_t count=0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1475 const char *start=target;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1476 const char *end=target+target_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1477
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1478 while ( (start=findchar(start, end-start, c)) != NULL ) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1479 count++;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1480 if (count >= maxcount)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1481 break;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1482 start += 1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1483 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1484 return count;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1485 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1486
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1487 Py_LOCAL(Py_ssize_t)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1488 findstring(const char *target, Py_ssize_t target_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1489 const char *pattern, Py_ssize_t pattern_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1490 Py_ssize_t start,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1491 Py_ssize_t end,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1492 int direction)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1493 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1494 if (start < 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1495 start += target_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1496 if (start < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1497 start = 0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1498 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1499 if (end > target_len) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1500 end = target_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1501 } else if (end < 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1502 end += target_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1503 if (end < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1504 end = 0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1505 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1506
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1507 /* zero-length substrings always match at the first attempt */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1508 if (pattern_len == 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1509 return (direction > 0) ? start : end;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1510
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1511 end -= pattern_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1512
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1513 if (direction < 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1514 for (; end >= start; end--)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1515 if (Py_STRING_MATCH(target, end, pattern, pattern_len))
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1516 return end;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1517 } else {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1518 for (; start <= end; start++)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1519 if (Py_STRING_MATCH(target, start, pattern, pattern_len))
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1520 return start;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1521 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1522 return -1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1523 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1524
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1525 Py_LOCAL_INLINE(Py_ssize_t)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1526 countstring(const char *target, Py_ssize_t target_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1527 const char *pattern, Py_ssize_t pattern_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1528 Py_ssize_t start,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1529 Py_ssize_t end,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1530 int direction, Py_ssize_t maxcount)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1531 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1532 Py_ssize_t count=0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1533
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1534 if (start < 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1535 start += target_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1536 if (start < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1537 start = 0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1538 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1539 if (end > target_len) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1540 end = target_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1541 } else if (end < 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1542 end += target_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1543 if (end < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1544 end = 0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1545 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1546
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1547 /* zero-length substrings match everywhere */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1548 if (pattern_len == 0 || maxcount == 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1549 if (target_len+1 < maxcount)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1550 return target_len+1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1551 return maxcount;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1552 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1553
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1554 end -= pattern_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1555 if (direction < 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1556 for (; (end >= start); end--)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1557 if (Py_STRING_MATCH(target, end, pattern, pattern_len)) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1558 count++;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1559 if (--maxcount <= 0) break;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1560 end -= pattern_len-1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1561 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1562 } else {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1563 for (; (start <= end); start++)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1564 if (Py_STRING_MATCH(target, start, pattern, pattern_len)) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1565 count++;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1566 if (--maxcount <= 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1567 break;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1568 start += pattern_len-1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1569 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1570 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1571 return count;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1572 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1573
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1574
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1575 /* Algorithms for different cases of string replacement */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1576
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1577 /* len(self)>=1, from="", len(to)>=1, maxcount>=1 */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1578 Py_LOCAL(PyBytesObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1579 replace_interleave(PyBytesObject *self,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1580 const char *to_s, Py_ssize_t to_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1581 Py_ssize_t maxcount)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1582 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1583 char *self_s, *result_s;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1584 Py_ssize_t self_len, result_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1585 Py_ssize_t count, i, product;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1586 PyBytesObject *result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1587
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1588 self_len = PyBytes_GET_SIZE(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1589
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1590 /* 1 at the end plus 1 after every character */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1591 count = self_len+1;
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
1592 if (maxcount < count)
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1593 count = maxcount;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1594
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1595 /* Check for overflow */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1596 /* result_len = count * to_len + self_len; */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1597 product = count * to_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1598 if (product / to_len != count) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1599 PyErr_SetString(PyExc_OverflowError,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1600 "replace string is too long");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1601 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1602 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1603 result_len = product + self_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1604 if (result_len < 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1605 PyErr_SetString(PyExc_OverflowError,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1606 "replace string is too long");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1607 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1608 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1609
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1610 if (! (result = (PyBytesObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1611 PyBytes_FromStringAndSize(NULL, result_len)) )
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1612 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1613
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1614 self_s = PyBytes_AS_STRING(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1615 result_s = PyBytes_AS_STRING(result);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1616
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1617 /* TODO: special case single character, which doesn't need memcpy */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1618
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1619 /* Lay the first one down (guaranteed this will occur) */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1620 Py_MEMCPY(result_s, to_s, to_len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1621 result_s += to_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1622 count -= 1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1623
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1624 for (i=0; i<count; i++) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1625 *result_s++ = *self_s++;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1626 Py_MEMCPY(result_s, to_s, to_len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1627 result_s += to_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1628 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1629
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1630 /* Copy the rest of the original string */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1631 Py_MEMCPY(result_s, self_s, self_len-i);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1632
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1633 return result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1634 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1635
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1636 /* Special case for deleting a single character */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1637 /* len(self)>=1, len(from)==1, to="", maxcount>=1 */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1638 Py_LOCAL(PyBytesObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1639 replace_delete_single_character(PyBytesObject *self,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1640 char from_c, Py_ssize_t maxcount)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1641 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1642 char *self_s, *result_s;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1643 char *start, *next, *end;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1644 Py_ssize_t self_len, result_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1645 Py_ssize_t count;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1646 PyBytesObject *result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1647
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1648 self_len = PyBytes_GET_SIZE(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1649 self_s = PyBytes_AS_STRING(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1650
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1651 count = countchar(self_s, self_len, from_c, maxcount);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1652 if (count == 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1653 return return_self(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1654 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1655
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1656 result_len = self_len - count; /* from_len == 1 */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1657 assert(result_len>=0);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1658
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1659 if ( (result = (PyBytesObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1660 PyBytes_FromStringAndSize(NULL, result_len)) == NULL)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1661 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1662 result_s = PyBytes_AS_STRING(result);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1663
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1664 start = self_s;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1665 end = self_s + self_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1666 while (count-- > 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1667 next = findchar(start, end-start, from_c);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1668 if (next == NULL)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1669 break;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1670 Py_MEMCPY(result_s, start, next-start);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1671 result_s += (next-start);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1672 start = next+1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1673 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1674 Py_MEMCPY(result_s, start, end-start);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1675
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1676 return result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1677 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1678
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1679 /* len(self)>=1, len(from)>=2, to="", maxcount>=1 */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1680
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1681 Py_LOCAL(PyBytesObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1682 replace_delete_substring(PyBytesObject *self,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1683 const char *from_s, Py_ssize_t from_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1684 Py_ssize_t maxcount)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1685 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1686 char *self_s, *result_s;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1687 char *start, *next, *end;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1688 Py_ssize_t self_len, result_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1689 Py_ssize_t count, offset;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1690 PyBytesObject *result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1691
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1692 self_len = PyBytes_GET_SIZE(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1693 self_s = PyBytes_AS_STRING(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1694
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1695 count = countstring(self_s, self_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1696 from_s, from_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1697 0, self_len, 1,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1698 maxcount);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1699
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1700 if (count == 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1701 /* no matches */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1702 return return_self(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1703 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1704
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1705 result_len = self_len - (count * from_len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1706 assert (result_len>=0);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1707
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1708 if ( (result = (PyBytesObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1709 PyBytes_FromStringAndSize(NULL, result_len)) == NULL )
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1710 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1711
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1712 result_s = PyBytes_AS_STRING(result);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1713
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1714 start = self_s;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1715 end = self_s + self_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1716 while (count-- > 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1717 offset = findstring(start, end-start,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1718 from_s, from_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1719 0, end-start, FORWARD);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1720 if (offset == -1)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1721 break;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1722 next = start + offset;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1723
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1724 Py_MEMCPY(result_s, start, next-start);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1725
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1726 result_s += (next-start);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1727 start = next+from_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1728 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1729 Py_MEMCPY(result_s, start, end-start);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1730 return result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1731 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1732
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1733 /* len(self)>=1, len(from)==len(to)==1, maxcount>=1 */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1734 Py_LOCAL(PyBytesObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1735 replace_single_character_in_place(PyBytesObject *self,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1736 char from_c, char to_c,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1737 Py_ssize_t maxcount)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1738 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1739 char *self_s, *result_s, *start, *end, *next;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1740 Py_ssize_t self_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1741 PyBytesObject *result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1742
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1743 /* The result string will be the same size */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1744 self_s = PyBytes_AS_STRING(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1745 self_len = PyBytes_GET_SIZE(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1746
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1747 next = findchar(self_s, self_len, from_c);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1748
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1749 if (next == NULL) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1750 /* No matches; return the original bytes */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1751 return return_self(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1752 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1753
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1754 /* Need to make a new bytes */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1755 result = (PyBytesObject *) PyBytes_FromStringAndSize(NULL, self_len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1756 if (result == NULL)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1757 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1758 result_s = PyBytes_AS_STRING(result);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1759 Py_MEMCPY(result_s, self_s, self_len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1760
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1761 /* change everything in-place, starting with this one */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1762 start = result_s + (next-self_s);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1763 *start = to_c;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1764 start++;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1765 end = result_s + self_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1766
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1767 while (--maxcount > 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1768 next = findchar(start, end-start, from_c);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1769 if (next == NULL)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1770 break;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1771 *next = to_c;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1772 start = next+1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1773 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1774
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1775 return result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1776 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1777
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1778 /* len(self)>=1, len(from)==len(to)>=2, maxcount>=1 */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1779 Py_LOCAL(PyBytesObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1780 replace_substring_in_place(PyBytesObject *self,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1781 const char *from_s, Py_ssize_t from_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1782 const char *to_s, Py_ssize_t to_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1783 Py_ssize_t maxcount)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1784 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1785 char *result_s, *start, *end;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1786 char *self_s;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1787 Py_ssize_t self_len, offset;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1788 PyBytesObject *result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1789
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1790 /* The result bytes will be the same size */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1791
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1792 self_s = PyBytes_AS_STRING(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1793 self_len = PyBytes_GET_SIZE(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1794
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1795 offset = findstring(self_s, self_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1796 from_s, from_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1797 0, self_len, FORWARD);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1798 if (offset == -1) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1799 /* No matches; return the original bytes */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1800 return return_self(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1801 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1802
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1803 /* Need to make a new bytes */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1804 result = (PyBytesObject *) PyBytes_FromStringAndSize(NULL, self_len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1805 if (result == NULL)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1806 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1807 result_s = PyBytes_AS_STRING(result);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1808 Py_MEMCPY(result_s, self_s, self_len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1809
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1810 /* change everything in-place, starting with this one */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1811 start = result_s + offset;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1812 Py_MEMCPY(start, to_s, from_len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1813 start += from_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1814 end = result_s + self_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1815
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1816 while ( --maxcount > 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1817 offset = findstring(start, end-start,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1818 from_s, from_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1819 0, end-start, FORWARD);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1820 if (offset==-1)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1821 break;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1822 Py_MEMCPY(start+offset, to_s, from_len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1823 start += offset+from_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1824 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1825
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1826 return result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1827 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1828
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1829 /* len(self)>=1, len(from)==1, len(to)>=2, maxcount>=1 */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1830 Py_LOCAL(PyBytesObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1831 replace_single_character(PyBytesObject *self,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1832 char from_c,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1833 const char *to_s, Py_ssize_t to_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1834 Py_ssize_t maxcount)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1835 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1836 char *self_s, *result_s;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1837 char *start, *next, *end;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1838 Py_ssize_t self_len, result_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1839 Py_ssize_t count, product;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1840 PyBytesObject *result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1841
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1842 self_s = PyBytes_AS_STRING(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1843 self_len = PyBytes_GET_SIZE(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1844
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1845 count = countchar(self_s, self_len, from_c, maxcount);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1846 if (count == 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1847 /* no matches, return unchanged */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1848 return return_self(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1849 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1850
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1851 /* use the difference between current and new, hence the "-1" */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1852 /* result_len = self_len + count * (to_len-1) */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1853 product = count * (to_len-1);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1854 if (product / (to_len-1) != count) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1855 PyErr_SetString(PyExc_OverflowError, "replace bytes is too long");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1856 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1857 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1858 result_len = self_len + product;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1859 if (result_len < 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1860 PyErr_SetString(PyExc_OverflowError, "replace bytes is too long");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1861 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1862 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1863
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1864 if ( (result = (PyBytesObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1865 PyBytes_FromStringAndSize(NULL, result_len)) == NULL)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1866 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1867 result_s = PyBytes_AS_STRING(result);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1868
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1869 start = self_s;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1870 end = self_s + self_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1871 while (count-- > 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1872 next = findchar(start, end-start, from_c);
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
1873 if (next == NULL)
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1874 break;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1875
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1876 if (next == start) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1877 /* replace with the 'to' */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1878 Py_MEMCPY(result_s, to_s, to_len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1879 result_s += to_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1880 start += 1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1881 } else {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1882 /* copy the unchanged old then the 'to' */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1883 Py_MEMCPY(result_s, start, next-start);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1884 result_s += (next-start);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1885 Py_MEMCPY(result_s, to_s, to_len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1886 result_s += to_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1887 start = next+1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1888 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1889 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1890 /* Copy the remainder of the remaining bytes */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1891 Py_MEMCPY(result_s, start, end-start);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1892
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1893 return result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1894 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1895
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1896 /* len(self)>=1, len(from)>=2, len(to)>=2, maxcount>=1 */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1897 Py_LOCAL(PyBytesObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1898 replace_substring(PyBytesObject *self,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1899 const char *from_s, Py_ssize_t from_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1900 const char *to_s, Py_ssize_t to_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1901 Py_ssize_t maxcount)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1902 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1903 char *self_s, *result_s;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1904 char *start, *next, *end;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1905 Py_ssize_t self_len, result_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1906 Py_ssize_t count, offset, product;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1907 PyBytesObject *result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1908
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1909 self_s = PyBytes_AS_STRING(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1910 self_len = PyBytes_GET_SIZE(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1911
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1912 count = countstring(self_s, self_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1913 from_s, from_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1914 0, self_len, FORWARD, maxcount);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1915 if (count == 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1916 /* no matches, return unchanged */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1917 return return_self(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1918 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1919
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1920 /* Check for overflow */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1921 /* result_len = self_len + count * (to_len-from_len) */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1922 product = count * (to_len-from_len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1923 if (product / (to_len-from_len) != count) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1924 PyErr_SetString(PyExc_OverflowError, "replace bytes is too long");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1925 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1926 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1927 result_len = self_len + product;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1928 if (result_len < 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1929 PyErr_SetString(PyExc_OverflowError, "replace bytes is too long");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1930 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1931 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1932
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1933 if ( (result = (PyBytesObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1934 PyBytes_FromStringAndSize(NULL, result_len)) == NULL)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1935 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1936 result_s = PyBytes_AS_STRING(result);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1937
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1938 start = self_s;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1939 end = self_s + self_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1940 while (count-- > 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1941 offset = findstring(start, end-start,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1942 from_s, from_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1943 0, end-start, FORWARD);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1944 if (offset == -1)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1945 break;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1946 next = start+offset;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1947 if (next == start) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1948 /* replace with the 'to' */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1949 Py_MEMCPY(result_s, to_s, to_len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1950 result_s += to_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1951 start += from_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1952 } else {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1953 /* copy the unchanged old then the 'to' */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1954 Py_MEMCPY(result_s, start, next-start);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1955 result_s += (next-start);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1956 Py_MEMCPY(result_s, to_s, to_len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1957 result_s += to_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1958 start = next+from_len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1959 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1960 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1961 /* Copy the remainder of the remaining bytes */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1962 Py_MEMCPY(result_s, start, end-start);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1963
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1964 return result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1965 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1966
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1967
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1968 Py_LOCAL(PyBytesObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1969 replace(PyBytesObject *self,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1970 const char *from_s, Py_ssize_t from_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1971 const char *to_s, Py_ssize_t to_len,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1972 Py_ssize_t maxcount)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1973 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1974 if (maxcount < 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1975 maxcount = PY_SSIZE_T_MAX;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1976 } else if (maxcount == 0 || PyBytes_GET_SIZE(self) == 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1977 /* nothing to do; return the original bytes */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1978 return return_self(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1979 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1980
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1981 if (maxcount == 0 ||
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1982 (from_len == 0 && to_len == 0)) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1983 /* nothing to do; return the original bytes */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1984 return return_self(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1985 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1986
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1987 /* Handle zero-length special cases */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1988
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1989 if (from_len == 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1990 /* insert the 'to' bytes everywhere. */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1991 /* >>> "Python".replace("", ".") */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1992 /* '.P.y.t.h.o.n.' */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1993 return replace_interleave(self, to_s, to_len, maxcount);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1994 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1995
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1996 /* Except for "".replace("", "A") == "A" there is no way beyond this */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1997 /* point for an empty self bytes to generate a non-empty bytes */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1998 /* Special case so the remaining code always gets a non-empty bytes */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
1999 if (PyBytes_GET_SIZE(self) == 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2000 return return_self(self);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2001 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2002
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2003 if (to_len == 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2004 /* delete all occurances of 'from' bytes */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2005 if (from_len == 1) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2006 return replace_delete_single_character(
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2007 self, from_s[0], maxcount);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2008 } else {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2009 return replace_delete_substring(self, from_s, from_len, maxcount);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2010 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2011 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2012
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2013 /* Handle special case where both bytes have the same length */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2014
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2015 if (from_len == to_len) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2016 if (from_len == 1) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2017 return replace_single_character_in_place(
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2018 self,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2019 from_s[0],
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2020 to_s[0],
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2021 maxcount);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2022 } else {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2023 return replace_substring_in_place(
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2024 self, from_s, from_len, to_s, to_len, maxcount);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2025 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2026 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2027
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2028 /* Otherwise use the more generic algorithms */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2029 if (from_len == 1) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2030 return replace_single_character(self, from_s[0],
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2031 to_s, to_len, maxcount);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2032 } else {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2033 /* len('from')>=2, len('to')>=1 */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2034 return replace_substring(self, from_s, from_len, to_s, to_len, maxcount);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2035 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2036 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2037
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
2038
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2039 PyDoc_STRVAR(replace__doc__,
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2040 "B.replace(old, new[, count]) -> bytes\n\
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2041 \n\
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2042 Return a copy of B with all occurrences of subsection\n\
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2043 old replaced by new. If the optional argument count is\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2044 given, only the first count occurrences are replaced.");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2045
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2046 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2047 bytes_replace(PyBytesObject *self, PyObject *args)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2048 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2049 Py_ssize_t count = -1;
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
2050 PyObject *from, *to, *res;
43423
0476a2cc5658 Change PyBuffer to Py_buffer to be consistent with other non-object structures like Py_complex. Add some more functionality to the memoryview object.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43321
diff changeset
2051 Py_buffer vfrom, vto;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2052
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2053 if (!PyArg_ParseTuple(args, "OO|n:replace", &from, &to, &count))
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2054 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2055
42975
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
2056 if (_getbuffer(from, &vfrom) < 0)
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
2057 return NULL;
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
2058 if (_getbuffer(to, &vto) < 0) {
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
2059 PyObject_ReleaseBuffer(from, &vfrom);
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
2060 return NULL;
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
2061 }
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
2062
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
2063 res = (PyObject *)replace((PyBytesObject *) self,
42975
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
2064 vfrom.buf, vfrom.len,
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
2065 vto.buf, vto.len, count);
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
2066
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
2067 PyObject_ReleaseBuffer(from, &vfrom);
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
2068 PyObject_ReleaseBuffer(to, &vto);
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
2069 return res;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2070 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2071
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2072
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2073 /* Overallocate the initial list to reduce the number of reallocs for small
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2074 split sizes. Eg, "A A A A A A A A A A".split() (10 elements) has three
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2075 resizes, to sizes 4, 8, then 16. Most observed string splits are for human
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2076 text (roughly 11 words per line) and field delimited data (usually 1-10
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2077 fields). For large strings the split algorithms are bandwidth limited
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2078 so increasing the preallocation likely will not improve things.*/
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2079
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2080 #define MAX_PREALLOC 12
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2081
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2082 /* 5 splits gives 6 elements */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2083 #define PREALLOC_SIZE(maxsplit) \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2084 (maxsplit >= MAX_PREALLOC ? MAX_PREALLOC : maxsplit+1)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2085
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2086 #define SPLIT_APPEND(data, left, right) \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2087 str = PyBytes_FromStringAndSize((data) + (left), \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2088 (right) - (left)); \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2089 if (str == NULL) \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2090 goto onError; \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2091 if (PyList_Append(list, str)) { \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2092 Py_DECREF(str); \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2093 goto onError; \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2094 } \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2095 else \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2096 Py_DECREF(str);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2097
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2098 #define SPLIT_ADD(data, left, right) { \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2099 str = PyBytes_FromStringAndSize((data) + (left), \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2100 (right) - (left)); \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2101 if (str == NULL) \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2102 goto onError; \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2103 if (count < MAX_PREALLOC) { \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2104 PyList_SET_ITEM(list, count, str); \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2105 } else { \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2106 if (PyList_Append(list, str)) { \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2107 Py_DECREF(str); \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2108 goto onError; \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2109 } \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2110 else \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2111 Py_DECREF(str); \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2112 } \
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2113 count++; }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2114
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2115 /* Always force the list to the expected size. */
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2116 #define FIX_PREALLOC_SIZE(list) Py_SIZE(list) = count
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2117
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2118
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2119 Py_LOCAL_INLINE(PyObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2120 split_char(const char *s, Py_ssize_t len, char ch, Py_ssize_t maxcount)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2121 {
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2122 register Py_ssize_t i, j, count = 0;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2123 PyObject *str;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2124 PyObject *list = PyList_New(PREALLOC_SIZE(maxcount));
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2125
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2126 if (list == NULL)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2127 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2128
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2129 i = j = 0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2130 while ((j < len) && (maxcount-- > 0)) {
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2131 for(; j < len; j++) {
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2132 /* I found that using memchr makes no difference */
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2133 if (s[j] == ch) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2134 SPLIT_ADD(s, i, j);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2135 i = j = j + 1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2136 break;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2137 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2138 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2139 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2140 if (i <= len) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2141 SPLIT_ADD(s, i, len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2142 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2143 FIX_PREALLOC_SIZE(list);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2144 return list;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2145
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2146 onError:
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2147 Py_DECREF(list);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2148 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2149 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2150
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2151
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2152 Py_LOCAL_INLINE(PyObject *)
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2153 split_whitespace(const char *s, Py_ssize_t len, Py_ssize_t maxcount)
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2154 {
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2155 register Py_ssize_t i, j, count = 0;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2156 PyObject *str;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2157 PyObject *list = PyList_New(PREALLOC_SIZE(maxcount));
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2158
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2159 if (list == NULL)
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2160 return NULL;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2161
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2162 for (i = j = 0; i < len; ) {
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2163 /* find a token */
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2164 while (i < len && ISSPACE(s[i]))
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2165 i++;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2166 j = i;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2167 while (i < len && !ISSPACE(s[i]))
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2168 i++;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2169 if (j < i) {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2170 if (maxcount-- <= 0)
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2171 break;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2172 SPLIT_ADD(s, j, i);
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2173 while (i < len && ISSPACE(s[i]))
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2174 i++;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2175 j = i;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2176 }
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2177 }
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2178 if (j < len) {
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2179 SPLIT_ADD(s, j, len);
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2180 }
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2181 FIX_PREALLOC_SIZE(list);
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2182 return list;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2183
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2184 onError:
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2185 Py_DECREF(list);
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2186 return NULL;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2187 }
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2188
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2189 PyDoc_STRVAR(split__doc__,
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
2190 "B.split([sep[, maxsplit]]) -> list of bytearray\n\
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2191 \n\
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2192 Return a list of the sections in B, using sep as the delimiter.\n\
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2193 If sep is not given, B is split on ASCII whitespace characters\n\
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2194 (space, tab, return, newline, formfeed, vertical tab).\n\
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2195 If maxsplit is given, at most maxsplit splits are done.");
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2196
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2197 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2198 bytes_split(PyBytesObject *self, PyObject *args)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2199 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2200 Py_ssize_t len = PyBytes_GET_SIZE(self), n, i, j;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2201 Py_ssize_t maxsplit = -1, count = 0;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2202 const char *s = PyBytes_AS_STRING(self), *sub;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2203 PyObject *list, *str, *subobj = Py_None;
43423
0476a2cc5658 Change PyBuffer to Py_buffer to be consistent with other non-object structures like Py_complex. Add some more functionality to the memoryview object.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43321
diff changeset
2204 Py_buffer vsub;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2205 #ifdef USE_FAST
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2206 Py_ssize_t pos;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2207 #endif
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2208
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2209 if (!PyArg_ParseTuple(args, "|On:split", &subobj, &maxsplit))
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2210 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2211 if (maxsplit < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2212 maxsplit = PY_SSIZE_T_MAX;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2213
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2214 if (subobj == Py_None)
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2215 return split_whitespace(s, len, maxsplit);
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2216
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2217 if (_getbuffer(subobj, &vsub) < 0)
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2218 return NULL;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2219 sub = vsub.buf;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2220 n = vsub.len;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2221
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2222 if (n == 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2223 PyErr_SetString(PyExc_ValueError, "empty separator");
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2224 PyObject_ReleaseBuffer(subobj, &vsub);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2225 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2226 }
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2227 if (n == 1)
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2228 return split_char(s, len, sub[0], maxsplit);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2229
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2230 list = PyList_New(PREALLOC_SIZE(maxsplit));
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2231 if (list == NULL) {
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2232 PyObject_ReleaseBuffer(subobj, &vsub);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2233 return NULL;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2234 }
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2235
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2236 #ifdef USE_FAST
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2237 i = j = 0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2238 while (maxsplit-- > 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2239 pos = fastsearch(s+i, len-i, sub, n, FAST_SEARCH);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2240 if (pos < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2241 break;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2242 j = i+pos;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2243 SPLIT_ADD(s, i, j);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2244 i = j + n;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2245 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2246 #else
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2247 i = j = 0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2248 while ((j+n <= len) && (maxsplit-- > 0)) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2249 for (; j+n <= len; j++) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2250 if (Py_STRING_MATCH(s, j, sub, n)) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2251 SPLIT_ADD(s, i, j);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2252 i = j = j + n;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2253 break;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2254 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2255 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2256 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2257 #endif
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2258 SPLIT_ADD(s, i, len);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2259 FIX_PREALLOC_SIZE(list);
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2260 PyObject_ReleaseBuffer(subobj, &vsub);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2261 return list;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2262
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2263 onError:
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2264 Py_DECREF(list);
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2265 PyObject_ReleaseBuffer(subobj, &vsub);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2266 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2267 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2268
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2269 /* stringlib's partition shares nullbytes in some cases.
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2270 undo this, we don't want the nullbytes to be shared. */
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2271 static PyObject *
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2272 make_nullbytes_unique(PyObject *result)
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2273 {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2274 if (result != NULL) {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2275 int i;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2276 assert(PyTuple_Check(result));
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2277 assert(PyTuple_GET_SIZE(result) == 3);
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2278 for (i = 0; i < 3; i++) {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2279 if (PyTuple_GET_ITEM(result, i) == (PyObject *)nullbytes) {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2280 PyObject *new = PyBytes_FromStringAndSize(NULL, 0);
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2281 if (new == NULL) {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2282 Py_DECREF(result);
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2283 result = NULL;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2284 break;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2285 }
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2286 Py_DECREF(nullbytes);
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2287 PyTuple_SET_ITEM(result, i, new);
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2288 }
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2289 }
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2290 }
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2291 return result;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2292 }
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2293
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2294 PyDoc_STRVAR(partition__doc__,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2295 "B.partition(sep) -> (head, sep, tail)\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2296 \n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2297 Searches for the separator sep in B, and returns the part before it,\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2298 the separator itself, and the part after it. If the separator is not\n\
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
2299 found, returns B and two empty bytearray objects.");
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2300
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2301 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2302 bytes_partition(PyBytesObject *self, PyObject *sep_obj)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2303 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2304 PyObject *bytesep, *result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2305
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2306 bytesep = PyBytes_FromObject(sep_obj);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2307 if (! bytesep)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2308 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2309
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2310 result = stringlib_partition(
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2311 (PyObject*) self,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2312 PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self),
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
2313 bytesep,
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2314 PyBytes_AS_STRING(bytesep), PyBytes_GET_SIZE(bytesep)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2315 );
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2316
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2317 Py_DECREF(bytesep);
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2318 return make_nullbytes_unique(result);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2319 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2320
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2321 PyDoc_STRVAR(rpartition__doc__,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2322 "B.rpartition(sep) -> (tail, sep, head)\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2323 \n\
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2324 Searches for the separator sep in B, starting at the end of B,\n\
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2325 and returns the part before it, the separator itself, and the\n\
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2326 part after it. If the separator is not found, returns two empty\n\
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
2327 bytearray objects and B.");
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2328
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2329 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2330 bytes_rpartition(PyBytesObject *self, PyObject *sep_obj)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2331 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2332 PyObject *bytesep, *result;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2333
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2334 bytesep = PyBytes_FromObject(sep_obj);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2335 if (! bytesep)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2336 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2337
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2338 result = stringlib_rpartition(
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2339 (PyObject*) self,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2340 PyBytes_AS_STRING(self), PyBytes_GET_SIZE(self),
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
2341 bytesep,
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2342 PyBytes_AS_STRING(bytesep), PyBytes_GET_SIZE(bytesep)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2343 );
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2344
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2345 Py_DECREF(bytesep);
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2346 return make_nullbytes_unique(result);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2347 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2348
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2349 Py_LOCAL_INLINE(PyObject *)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2350 rsplit_char(const char *s, Py_ssize_t len, char ch, Py_ssize_t maxcount)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2351 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2352 register Py_ssize_t i, j, count=0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2353 PyObject *str;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2354 PyObject *list = PyList_New(PREALLOC_SIZE(maxcount));
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2355
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2356 if (list == NULL)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2357 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2358
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2359 i = j = len - 1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2360 while ((i >= 0) && (maxcount-- > 0)) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2361 for (; i >= 0; i--) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2362 if (s[i] == ch) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2363 SPLIT_ADD(s, i + 1, j + 1);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2364 j = i = i - 1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2365 break;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2366 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2367 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2368 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2369 if (j >= -1) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2370 SPLIT_ADD(s, 0, j + 1);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2371 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2372 FIX_PREALLOC_SIZE(list);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2373 if (PyList_Reverse(list) < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2374 goto onError;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2375
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2376 return list;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2377
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2378 onError:
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2379 Py_DECREF(list);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2380 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2381 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2382
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2383 Py_LOCAL_INLINE(PyObject *)
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2384 rsplit_whitespace(const char *s, Py_ssize_t len, Py_ssize_t maxcount)
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2385 {
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2386 register Py_ssize_t i, j, count = 0;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2387 PyObject *str;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2388 PyObject *list = PyList_New(PREALLOC_SIZE(maxcount));
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2389
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2390 if (list == NULL)
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2391 return NULL;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2392
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2393 for (i = j = len - 1; i >= 0; ) {
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2394 /* find a token */
45050
e9764a695809 Fixed #1969: split and rsplit in bytearray are inconsistent
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
2395 while (i >= 0 && ISSPACE(s[i]))
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2396 i--;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2397 j = i;
45050
e9764a695809 Fixed #1969: split and rsplit in bytearray are inconsistent
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
2398 while (i >= 0 && !ISSPACE(s[i]))
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2399 i--;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2400 if (j > i) {
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2401 if (maxcount-- <= 0)
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2402 break;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2403 SPLIT_ADD(s, i + 1, j + 1);
45050
e9764a695809 Fixed #1969: split and rsplit in bytearray are inconsistent
Christian Heimes <christian@cheimes.de>
parents: 44351
diff changeset
2404 while (i >= 0 && ISSPACE(s[i]))
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2405 i--;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2406 j = i;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2407 }
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2408 }
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2409 if (j >= 0) {
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2410 SPLIT_ADD(s, 0, j + 1);
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2411 }
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2412 FIX_PREALLOC_SIZE(list);
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2413 if (PyList_Reverse(list) < 0)
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2414 goto onError;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2415
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2416 return list;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2417
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2418 onError:
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2419 Py_DECREF(list);
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2420 return NULL;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2421 }
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2422
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2423 PyDoc_STRVAR(rsplit__doc__,
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
2424 "B.rsplit(sep[, maxsplit]) -> list of bytearray\n\
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2425 \n\
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2426 Return a list of the sections in B, using sep as the delimiter,\n\
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2427 starting at the end of B and working to the front.\n\
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2428 If sep is not given, B is split on ASCII whitespace characters\n\
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2429 (space, tab, return, newline, formfeed, vertical tab).\n\
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2430 If maxsplit is given, at most maxsplit splits are done.");
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2431
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2432 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2433 bytes_rsplit(PyBytesObject *self, PyObject *args)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2434 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2435 Py_ssize_t len = PyBytes_GET_SIZE(self), n, i, j;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2436 Py_ssize_t maxsplit = -1, count = 0;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2437 const char *s = PyBytes_AS_STRING(self), *sub;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2438 PyObject *list, *str, *subobj = Py_None;
43423
0476a2cc5658 Change PyBuffer to Py_buffer to be consistent with other non-object structures like Py_complex. Add some more functionality to the memoryview object.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43321
diff changeset
2439 Py_buffer vsub;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2440
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2441 if (!PyArg_ParseTuple(args, "|On:rsplit", &subobj, &maxsplit))
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2442 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2443 if (maxsplit < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2444 maxsplit = PY_SSIZE_T_MAX;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2445
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2446 if (subobj == Py_None)
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2447 return rsplit_whitespace(s, len, maxsplit);
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2448
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2449 if (_getbuffer(subobj, &vsub) < 0)
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2450 return NULL;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2451 sub = vsub.buf;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2452 n = vsub.len;
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2453
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2454 if (n == 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2455 PyErr_SetString(PyExc_ValueError, "empty separator");
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2456 PyObject_ReleaseBuffer(subobj, &vsub);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2457 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2458 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2459 else if (n == 1)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2460 return rsplit_char(s, len, sub[0], maxsplit);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2461
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2462 list = PyList_New(PREALLOC_SIZE(maxsplit));
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2463 if (list == NULL) {
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2464 PyObject_ReleaseBuffer(subobj, &vsub);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2465 return NULL;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2466 }
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2467
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2468 j = len;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2469 i = j - n;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2470
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2471 while ( (i >= 0) && (maxsplit-- > 0) ) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2472 for (; i>=0; i--) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2473 if (Py_STRING_MATCH(s, i, sub, n)) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2474 SPLIT_ADD(s, i + n, j);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2475 j = i;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2476 i -= n;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2477 break;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2478 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2479 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2480 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2481 SPLIT_ADD(s, 0, j);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2482 FIX_PREALLOC_SIZE(list);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2483 if (PyList_Reverse(list) < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2484 goto onError;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2485 PyObject_ReleaseBuffer(subobj, &vsub);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2486 return list;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2487
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2488 onError:
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2489 Py_DECREF(list);
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2490 PyObject_ReleaseBuffer(subobj, &vsub);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2491 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2492 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2493
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2494 PyDoc_STRVAR(reverse__doc__,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2495 "B.reverse() -> None\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2496 \n\
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2497 Reverse the order of the values in B in place.");
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2498 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2499 bytes_reverse(PyBytesObject *self, PyObject *unused)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2500 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2501 char swap, *head, *tail;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2502 Py_ssize_t i, j, n = Py_SIZE(self);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2503
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2504 j = n / 2;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2505 head = self->ob_bytes;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2506 tail = head + n - 1;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2507 for (i = 0; i < j; i++) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2508 swap = *head;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2509 *head++ = *tail;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2510 *tail-- = swap;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2511 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2512
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2513 Py_RETURN_NONE;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2514 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2515
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2516 PyDoc_STRVAR(insert__doc__,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2517 "B.insert(index, int) -> None\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2518 \n\
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
2519 Insert a single item into the bytearray before the given index.");
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2520 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2521 bytes_insert(PyBytesObject *self, PyObject *args)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2522 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2523 int value;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2524 Py_ssize_t where, n = Py_SIZE(self);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2525
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2526 if (!PyArg_ParseTuple(args, "ni:insert", &where, &value))
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2527 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2528
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2529 if (n == PY_SSIZE_T_MAX) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2530 PyErr_SetString(PyExc_OverflowError,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2531 "cannot add more objects to bytes");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2532 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2533 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2534 if (value < 0 || value >= 256) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2535 PyErr_SetString(PyExc_ValueError,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2536 "byte must be in range(0, 256)");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2537 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2538 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2539 if (PyBytes_Resize((PyObject *)self, n + 1) < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2540 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2541
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2542 if (where < 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2543 where += n;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2544 if (where < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2545 where = 0;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2546 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2547 if (where > n)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2548 where = n;
40982
431b3238593e Fix off-by-one bug in memmove() call in bytes_insert().
Guido van Rossum <guido@python.org>
parents: 40978
diff changeset
2549 memmove(self->ob_bytes + where + 1, self->ob_bytes + where, n - where);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2550 self->ob_bytes[where] = value;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2551
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2552 Py_RETURN_NONE;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2553 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2554
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2555 PyDoc_STRVAR(append__doc__,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2556 "B.append(int) -> None\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2557 \n\
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2558 Append a single item to the end of B.");
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2559 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2560 bytes_append(PyBytesObject *self, PyObject *arg)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2561 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2562 int value;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2563 Py_ssize_t n = Py_SIZE(self);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2564
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2565 if (! _getbytevalue(arg, &value))
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2566 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2567 if (n == PY_SSIZE_T_MAX) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2568 PyErr_SetString(PyExc_OverflowError,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2569 "cannot add more objects to bytes");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2570 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2571 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2572 if (PyBytes_Resize((PyObject *)self, n + 1) < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2573 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2574
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2575 self->ob_bytes[n] = value;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2576
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2577 Py_RETURN_NONE;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2578 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2579
44137
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2580 PyDoc_STRVAR(extend__doc__,
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2581 "B.extend(iterable int) -> None\n\
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2582 \n\
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2583 Append all the elements from the iterator or sequence to the\n\
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2584 end of B.");
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2585 static PyObject *
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2586 bytes_extend(PyBytesObject *self, PyObject *arg)
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2587 {
46446
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2588 PyObject *it, *item, *bytes_obj;
44137
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2589 Py_ssize_t buf_size = 0, len = 0;
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2590 int value;
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2591 char *buf;
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2592
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2593 /* bytes_setslice code only accepts something supporting PEP 3118. */
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2594 if (PyObject_CheckBuffer(arg)) {
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2595 if (bytes_setslice(self, Py_SIZE(self), Py_SIZE(self), arg) == -1)
44137
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2596 return NULL;
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2597
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2598 Py_RETURN_NONE;
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2599 }
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2600
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2601 it = PyObject_GetIter(arg);
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2602 if (it == NULL)
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2603 return NULL;
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2604
44226
aad65a2424e3 Merged revisions 59376-59406 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44138
diff changeset
2605 /* Try to determine the length of the argument. 32 is abitrary. */
aad65a2424e3 Merged revisions 59376-59406 via svnmerge from
Christian Heimes <christian@cheimes.de>
parents: 44138
diff changeset
2606 buf_size = _PyObject_LengthHint(arg, 32);
44137
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2607
46446
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2608 bytes_obj = PyBytes_FromStringAndSize(NULL, buf_size);
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2609 if (bytes_obj == NULL)
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2610 return NULL;
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2611 buf = PyBytes_AS_STRING(bytes_obj);
44137
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2612
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2613 while ((item = PyIter_Next(it)) != NULL) {
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2614 if (! _getbytevalue(item, &value)) {
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2615 Py_DECREF(item);
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2616 Py_DECREF(it);
46446
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2617 Py_DECREF(bytes_obj);
44137
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2618 return NULL;
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2619 }
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2620 buf[len++] = value;
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2621 Py_DECREF(item);
46446
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2622
44137
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2623 if (len >= buf_size) {
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2624 buf_size = len + (len >> 1) + 1;
46446
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2625 if (PyBytes_Resize((PyObject *)bytes_obj, buf_size) < 0) {
44137
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2626 Py_DECREF(it);
46446
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2627 Py_DECREF(bytes_obj);
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2628 return NULL;
44137
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2629 }
46446
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2630 /* Recompute the `buf' pointer, since the resizing operation may
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2631 have invalidated it. */
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2632 buf = PyBytes_AS_STRING(bytes_obj);
44137
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2633 }
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2634 }
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2635 Py_DECREF(it);
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2636
46446
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2637 /* Resize down to exact size. */
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2638 if (PyBytes_Resize((PyObject *)bytes_obj, len) < 0) {
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2639 Py_DECREF(bytes_obj);
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2640 return NULL;
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2641 }
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2642
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2643 if (bytes_setslice(self, Py_SIZE(self), Py_SIZE(self), bytes_obj) == -1)
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2644 return NULL;
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2645 Py_DECREF(bytes_obj);
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2646
0fede4d1b14b Improved bytes_extend() to avoid making a full copy of the temporary
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 46430
diff changeset
2647 Py_RETURN_NONE;
44137
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2648 }
825cffd6c0cd Issue #1283: Allow any iterable of integers to be passed to
Alexandre Vassalotti <alexandre@peadrop.com>
parents: 44099
diff changeset
2649
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2650 PyDoc_STRVAR(pop__doc__,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2651 "B.pop([index]) -> int\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2652 \n\
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2653 Remove and return a single item from B. If no index\n\
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2654 argument is give, will pop the last value.");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2655 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2656 bytes_pop(PyBytesObject *self, PyObject *args)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2657 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2658 int value;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2659 Py_ssize_t where = -1, n = Py_SIZE(self);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2660
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2661 if (!PyArg_ParseTuple(args, "|n:pop", &where))
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2662 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2663
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2664 if (n == 0) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2665 PyErr_SetString(PyExc_OverflowError,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2666 "cannot pop an empty bytes");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2667 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2668 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2669 if (where < 0)
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2670 where += Py_SIZE(self);
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2671 if (where < 0 || where >= Py_SIZE(self)) {
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2672 PyErr_SetString(PyExc_IndexError, "pop index out of range");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2673 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2674 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2675
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2676 value = self->ob_bytes[where];
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2677 memmove(self->ob_bytes + where, self->ob_bytes + where + 1, n - where);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2678 if (PyBytes_Resize((PyObject *)self, n - 1) < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2679 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2680
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 43947
diff changeset
2681 return PyLong_FromLong(value);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2682 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2683
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2684 PyDoc_STRVAR(remove__doc__,
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2685 "B.remove(int) -> None\n\
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2686 \n\
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2687 Remove the first occurance of a value in B.");
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2688 static PyObject *
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2689 bytes_remove(PyBytesObject *self, PyObject *arg)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2690 {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2691 int value;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2692 Py_ssize_t where, n = Py_SIZE(self);
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2693
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2694 if (! _getbytevalue(arg, &value))
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2695 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2696
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2697 for (where = 0; where < n; where++) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2698 if (self->ob_bytes[where] == value)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2699 break;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2700 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2701 if (where == n) {
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2702 PyErr_SetString(PyExc_ValueError, "value not found in bytes");
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2703 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2704 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2705
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2706 memmove(self->ob_bytes + where, self->ob_bytes + where + 1, n - where);
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2707 if (PyBytes_Resize((PyObject *)self, n - 1) < 0)
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2708 return NULL;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2709
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2710 Py_RETURN_NONE;
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2711 }
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2712
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2713 /* XXX These two helpers could be optimized if argsize == 1 */
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2714
42893
2c02ba72714b Make some internal functions static
Neal Norwitz <nnorwitz@gmail.com>
parents: 42779
diff changeset
2715 static Py_ssize_t
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2716 lstrip_helper(unsigned char *myptr, Py_ssize_t mysize,
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2717 void *argptr, Py_ssize_t argsize)
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2718 {
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2719 Py_ssize_t i = 0;
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2720 while (i < mysize && memchr(argptr, myptr[i], argsize))
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2721 i++;
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2722 return i;
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2723 }
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2724
42893
2c02ba72714b Make some internal functions static
Neal Norwitz <nnorwitz@gmail.com>
parents: 42779
diff changeset
2725 static Py_ssize_t
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2726 rstrip_helper(unsigned char *myptr, Py_ssize_t mysize,
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2727 void *argptr, Py_ssize_t argsize)
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2728 {
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2729 Py_ssize_t i = mysize - 1;
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2730 while (i >= 0 && memchr(argptr, myptr[i], argsize))
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2731 i--;
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2732 return i + 1;
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2733 }
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2734
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2735 PyDoc_STRVAR(strip__doc__,
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
2736 "B.strip([bytes]) -> bytearray\n\
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2737 \n\
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2738 Strip leading and trailing bytes contained in the argument.\n\
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2739 If the argument is omitted, strip ASCII whitespace.");
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2740 static PyObject *
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2741 bytes_strip(PyBytesObject *self, PyObject *args)
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2742 {
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2743 Py_ssize_t left, right, mysize, argsize;
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2744 void *myptr, *argptr;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2745 PyObject *arg = Py_None;
43423
0476a2cc5658 Change PyBuffer to Py_buffer to be consistent with other non-object structures like Py_complex. Add some more functionality to the memoryview object.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43321
diff changeset
2746 Py_buffer varg;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2747 if (!PyArg_ParseTuple(args, "|O:strip", &arg))
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2748 return NULL;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2749 if (arg == Py_None) {
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2750 argptr = "\t\n\r\f\v ";
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2751 argsize = 6;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2752 }
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2753 else {
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2754 if (_getbuffer(arg, &varg) < 0)
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2755 return NULL;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2756 argptr = varg.buf;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2757 argsize = varg.len;
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2758 }
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2759 myptr = self->ob_bytes;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2760 mysize = Py_SIZE(self);
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2761 left = lstrip_helper(myptr, mysize, argptr, argsize);
42499
96098abc8f8f Fix core dump in an endcase of b.strip() that I missed.
Guido van Rossum <guido@python.org>
parents: 42457
diff changeset
2762 if (left == mysize)
96098abc8f8f Fix core dump in an endcase of b.strip() that I missed.
Guido van Rossum <guido@python.org>
parents: 42457
diff changeset
2763 right = left;
96098abc8f8f Fix core dump in an endcase of b.strip() that I missed.
Guido van Rossum <guido@python.org>
parents: 42457
diff changeset
2764 else
96098abc8f8f Fix core dump in an endcase of b.strip() that I missed.
Guido van Rossum <guido@python.org>
parents: 42457
diff changeset
2765 right = rstrip_helper(myptr, mysize, argptr, argsize);
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2766 if (arg != Py_None)
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2767 PyObject_ReleaseBuffer(arg, &varg);
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2768 return PyBytes_FromStringAndSize(self->ob_bytes + left, right - left);
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2769 }
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2770
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2771 PyDoc_STRVAR(lstrip__doc__,
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
2772 "B.lstrip([bytes]) -> bytearray\n\
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2773 \n\
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2774 Strip leading bytes contained in the argument.\n\
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2775 If the argument is omitted, strip leading ASCII whitespace.");
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2776 static PyObject *
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2777 bytes_lstrip(PyBytesObject *self, PyObject *args)
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2778 {
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2779 Py_ssize_t left, right, mysize, argsize;
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2780 void *myptr, *argptr;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2781 PyObject *arg = Py_None;
43423
0476a2cc5658 Change PyBuffer to Py_buffer to be consistent with other non-object structures like Py_complex. Add some more functionality to the memoryview object.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43321
diff changeset
2782 Py_buffer varg;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2783 if (!PyArg_ParseTuple(args, "|O:lstrip", &arg))
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2784 return NULL;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2785 if (arg == Py_None) {
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2786 argptr = "\t\n\r\f\v ";
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2787 argsize = 6;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2788 }
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2789 else {
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2790 if (_getbuffer(arg, &varg) < 0)
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2791 return NULL;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2792 argptr = varg.buf;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2793 argsize = varg.len;
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2794 }
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2795 myptr = self->ob_bytes;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2796 mysize = Py_SIZE(self);
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2797 left = lstrip_helper(myptr, mysize, argptr, argsize);
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2798 right = mysize;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2799 if (arg != Py_None)
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2800 PyObject_ReleaseBuffer(arg, &varg);
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2801 return PyBytes_FromStringAndSize(self->ob_bytes + left, right - left);
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2802 }
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2803
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2804 PyDoc_STRVAR(rstrip__doc__,
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
2805 "B.rstrip([bytes]) -> bytearray\n\
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2806 \n\
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2807 Strip trailing bytes contained in the argument.\n\
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2808 If the argument is omitted, strip trailing ASCII whitespace.");
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2809 static PyObject *
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2810 bytes_rstrip(PyBytesObject *self, PyObject *args)
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2811 {
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2812 Py_ssize_t left, right, mysize, argsize;
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2813 void *myptr, *argptr;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2814 PyObject *arg = Py_None;
43423
0476a2cc5658 Change PyBuffer to Py_buffer to be consistent with other non-object structures like Py_complex. Add some more functionality to the memoryview object.
Travis E. Oliphant <oliphant@enthought.com>
parents: 43321
diff changeset
2815 Py_buffer varg;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2816 if (!PyArg_ParseTuple(args, "|O:rstrip", &arg))
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2817 return NULL;
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2818 if (arg == Py_None) {
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2819 argptr = "\t\n\r\f\v ";
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2820 argsize = 6;
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2821 }
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2822 else {
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2823 if (_getbuffer(arg, &varg) < 0)
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2824 return NULL;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2825 argptr = varg.buf;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2826 argsize = varg.len;
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2827 }
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2828 myptr = self->ob_bytes;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2829 mysize = Py_SIZE(self);
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2830 left = 0;
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2831 right = rstrip_helper(myptr, mysize, argptr, argsize);
43321
282e2d0c2937 Bug # 1125 (my code).
Guido van Rossum <guido@python.org>
parents: 43150
diff changeset
2832 if (arg != Py_None)
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2833 PyObject_ReleaseBuffer(arg, &varg);
41450
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2834 return PyBytes_FromStringAndSize(self->ob_bytes + left, right - left);
d1c3dd184e38 Rough and dirty job -- allow concatenation of bytes and arbitrary
Guido van Rossum <guido@python.org>
parents: 41448
diff changeset
2835 }
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
2836
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2837 PyDoc_STRVAR(decode_doc,
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2838 "B.decode([encoding[, errors]]) -> unicode object.\n\
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2839 \n\
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2840 Decodes B using the codec registered for encoding. encoding defaults\n\
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2841 to the default encoding. errors may be given to set a different error\n\
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2842 handling scheme. Default is 'strict' meaning that encoding errors raise\n\
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2843 a UnicodeDecodeError. Other possible values are 'ignore' and 'replace'\n\
44249
Skip Montanaro <skip@pobox.com>
parents: 44226
diff changeset
2844 as well as any other name registered with codecs.register_error that is\n\
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2845 able to handle UnicodeDecodeErrors.");
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2846
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2847 static PyObject *
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2848 bytes_decode(PyObject *self, PyObject *args)
41448
458c8db2e946 Clean up trailing whitespace.
Guido van Rossum <guido@python.org>
parents: 41426
diff changeset
2849 {
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2850 const char *encoding = NULL;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2851 const char *errors = NULL;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2852
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2853 if (!PyArg_ParseTuple(args, "|ss:decode", &encoding, &errors))
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2854 return NULL;
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2855 if (encoding == NULL)
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2856 encoding = PyUnicode_GetDefaultEncoding();
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2857 return PyCodec_Decode(self, encoding, errors);
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2858 }
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
2859
38115
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
2860 PyDoc_STRVAR(alloc_doc,
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
2861 "B.__alloc__() -> int\n\
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
2862 \n\
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
2863 Returns the number of bytes actually allocated.");
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
2864
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
2865 static PyObject *
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
2866 bytes_alloc(PyBytesObject *self)
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
2867 {
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 43947
diff changeset
2868 return PyLong_FromSsize_t(self->ob_alloc);
38115
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
2869 }
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
2870
38117
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2871 PyDoc_STRVAR(join_doc,
41664
a363cea32b9b I don't know how come bytes.join() was a class method, but that's clearly
Guido van Rossum <guido@python.org>
parents: 41648
diff changeset
2872 "B.join(iterable_of_bytes) -> bytes\n\
38117
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2873 \n\
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
2874 Concatenates any number of bytearray objects, with B in between each pair.");
38117
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2875
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2876 static PyObject *
41664
a363cea32b9b I don't know how come bytes.join() was a class method, but that's clearly
Guido van Rossum <guido@python.org>
parents: 41648
diff changeset
2877 bytes_join(PyBytesObject *self, PyObject *it)
38117
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2878 {
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2879 PyObject *seq;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2880 Py_ssize_t mysize = Py_SIZE(self);
38117
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2881 Py_ssize_t i;
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2882 Py_ssize_t n;
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2883 PyObject **items;
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2884 Py_ssize_t totalsize = 0;
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2885 PyObject *result;
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2886 char *dest;
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2887
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2888 seq = PySequence_Fast(it, "can only join an iterable");
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2889 if (seq == NULL)
40968
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2890 return NULL;
38117
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2891 n = PySequence_Fast_GET_SIZE(seq);
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2892 items = PySequence_Fast_ITEMS(seq);
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2893
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2894 /* Compute the total size, and check that they are all bytes */
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2895 /* XXX Shouldn't we use _getbuffer() on these items instead? */
38117
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2896 for (i = 0; i < n; i++) {
40968
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2897 PyObject *obj = items[i];
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2898 if (!PyBytes_Check(obj) && !PyString_Check(obj)) {
40968
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2899 PyErr_Format(PyExc_TypeError,
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2900 "can only join an iterable of bytes "
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2901 "(item %ld has type '%.100s')",
39222
b0cdcbcc5f45 Get rid of most of the flags (in tp_flags) that keep track of various
Guido van Rossum <guido@python.org>
parents: 38117
diff changeset
2902 /* XXX %ld isn't right on Win64 */
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2903 (long)i, Py_TYPE(obj)->tp_name);
40968
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2904 goto error;
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2905 }
41664
a363cea32b9b I don't know how come bytes.join() was a class method, but that's clearly
Guido van Rossum <guido@python.org>
parents: 41648
diff changeset
2906 if (i > 0)
a363cea32b9b I don't know how come bytes.join() was a class method, but that's clearly
Guido van Rossum <guido@python.org>
parents: 41648
diff changeset
2907 totalsize += mysize;
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2908 totalsize += Py_SIZE(obj);
40968
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2909 if (totalsize < 0) {
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2910 PyErr_NoMemory();
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2911 goto error;
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2912 }
38117
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2913 }
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2914
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2915 /* Allocate the result, and copy the bytes */
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2916 result = PyBytes_FromStringAndSize(NULL, totalsize);
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2917 if (result == NULL)
40968
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2918 goto error;
38117
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2919 dest = PyBytes_AS_STRING(result);
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2920 for (i = 0; i < n; i++) {
40968
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2921 PyObject *obj = items[i];
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
2922 Py_ssize_t size = Py_SIZE(obj);
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2923 char *buf;
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2924 if (PyBytes_Check(obj))
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2925 buf = PyBytes_AS_STRING(obj);
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2926 else
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2927 buf = PyString_AS_STRING(obj);
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2928 if (i) {
41664
a363cea32b9b I don't know how come bytes.join() was a class method, but that's clearly
Guido van Rossum <guido@python.org>
parents: 41648
diff changeset
2929 memcpy(dest, self->ob_bytes, mysize);
a363cea32b9b I don't know how come bytes.join() was a class method, but that's clearly
Guido van Rossum <guido@python.org>
parents: 41648
diff changeset
2930 dest += mysize;
a363cea32b9b I don't know how come bytes.join() was a class method, but that's clearly
Guido van Rossum <guido@python.org>
parents: 41648
diff changeset
2931 }
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2932 memcpy(dest, buf, size);
40968
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2933 dest += size;
38117
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2934 }
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2935
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2936 /* Done */
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2937 Py_DECREF(seq);
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2938 return result;
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2939
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2940 /* Error handling */
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2941 error:
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2942 Py_DECREF(seq);
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2943 return NULL;
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2944 }
57bd7c7d91e3 Adding bytes.join() -- a class methods that concatenates an iterable of bytes.
Guido van Rossum <guido@python.org>
parents: 38115
diff changeset
2945
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2946 PyDoc_STRVAR(fromhex_doc,
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
2947 "bytearray.fromhex(string) -> bytearray\n\
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2948 \n\
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
2949 Create a bytearray object from a string of hexadecimal numbers.\n\
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
2950 Spaces between two numbers are accepted.\n\
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
2951 Example: bytearray.fromhex('B9 01EF') -> bytearray(b'\\xb9\\x01\\xef').");
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2952
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2953 static int
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2954 hex_digit_to_int(Py_UNICODE c)
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2955 {
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2956 if (c >= 128)
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2957 return -1;
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
2958 if (ISDIGIT(c))
40968
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2959 return c - '0';
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2960 else {
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
2961 if (ISUPPER(c))
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
2962 c = TOLOWER(c);
40968
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2963 if (c >= 'a' && c <= 'f')
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2964 return c - 'a' + 10;
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2965 }
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
2966 return -1;
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2967 }
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2968
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2969 static PyObject *
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2970 bytes_fromhex(PyObject *cls, PyObject *args)
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2971 {
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
2972 PyObject *newbytes, *hexobj;
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
2973 char *buf;
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2974 Py_UNICODE *hex;
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2975 Py_ssize_t hexlen, byteslen, i, j;
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2976 int top, bot;
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2977
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2978 if (!PyArg_ParseTuple(args, "U:fromhex", &hexobj))
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2979 return NULL;
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2980 assert(PyUnicode_Check(hexobj));
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2981 hexlen = PyUnicode_GET_SIZE(hexobj);
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2982 hex = PyUnicode_AS_UNICODE(hexobj);
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2983 byteslen = hexlen/2; /* This overestimates if there are spaces */
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2984 newbytes = PyBytes_FromStringAndSize(NULL, byteslen);
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2985 if (!newbytes)
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2986 return NULL;
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2987 buf = PyBytes_AS_STRING(newbytes);
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2988 for (i = j = 0; i < hexlen; i += 2) {
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2989 /* skip over spaces in the input */
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2990 while (hex[i] == ' ')
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2991 i++;
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2992 if (i >= hexlen)
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2993 break;
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2994 top = hex_digit_to_int(hex[i]);
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2995 bot = hex_digit_to_int(hex[i+1]);
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2996 if (top == -1 || bot == -1) {
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
2997 PyErr_Format(PyExc_ValueError,
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2998 "non-hexadecimal number found in "
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
2999 "fromhex() arg at position %zd", i);
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3000 goto error;
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3001 }
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3002 buf[j++] = (top << 4) + bot;
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3003 }
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3004 if (PyBytes_Resize(newbytes, j) < 0)
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3005 goto error;
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3006 return newbytes;
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3007
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3008 error:
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3009 Py_DECREF(newbytes);
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3010 return NULL;
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3011 }
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3012
41426
4561f6da3b7d Real pickling for bytes.
Guido van Rossum <guido@python.org>
parents: 41412
diff changeset
3013 PyDoc_STRVAR(reduce_doc, "Return state information for pickling.");
4561f6da3b7d Real pickling for bytes.
Guido van Rossum <guido@python.org>
parents: 41412
diff changeset
3014
4561f6da3b7d Real pickling for bytes.
Guido van Rossum <guido@python.org>
parents: 41412
diff changeset
3015 static PyObject *
4561f6da3b7d Real pickling for bytes.
Guido van Rossum <guido@python.org>
parents: 41412
diff changeset
3016 bytes_reduce(PyBytesObject *self)
4561f6da3b7d Real pickling for bytes.
Guido van Rossum <guido@python.org>
parents: 41412
diff changeset
3017 {
43757
2ff0e81e68fc Patch 1171 by mfenniak -- allow subclassing of bytes.
Guido van Rossum <guido@python.org>
parents: 43693
diff changeset
3018 PyObject *latin1, *dict;
42457
080f2aa18015 Change PyUnicode_FromString[AndSize] to expect UTF-8.
Martin v. Löwis <martin@v.loewis.de>
parents: 42335
diff changeset
3019 if (self->ob_bytes)
42975
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
3020 latin1 = PyUnicode_DecodeLatin1(self->ob_bytes,
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
3021 Py_SIZE(self), NULL);
42457
080f2aa18015 Change PyUnicode_FromString[AndSize] to expect UTF-8.
Martin v. Löwis <martin@v.loewis.de>
parents: 42335
diff changeset
3022 else
42975
71cd5598b74d Commit strict str/bytes distinction.
Guido van Rossum <guido@python.org>
parents: 42893
diff changeset
3023 latin1 = PyUnicode_FromString("");
43757
2ff0e81e68fc Patch 1171 by mfenniak -- allow subclassing of bytes.
Guido van Rossum <guido@python.org>
parents: 43693
diff changeset
3024
2ff0e81e68fc Patch 1171 by mfenniak -- allow subclassing of bytes.
Guido van Rossum <guido@python.org>
parents: 43693
diff changeset
3025 dict = PyObject_GetAttrString((PyObject *)self, "__dict__");
2ff0e81e68fc Patch 1171 by mfenniak -- allow subclassing of bytes.
Guido van Rossum <guido@python.org>
parents: 43693
diff changeset
3026 if (dict == NULL) {
2ff0e81e68fc Patch 1171 by mfenniak -- allow subclassing of bytes.
Guido van Rossum <guido@python.org>
parents: 43693
diff changeset
3027 PyErr_Clear();
2ff0e81e68fc Patch 1171 by mfenniak -- allow subclassing of bytes.
Guido van Rossum <guido@python.org>
parents: 43693
diff changeset
3028 dict = Py_None;
2ff0e81e68fc Patch 1171 by mfenniak -- allow subclassing of bytes.
Guido van Rossum <guido@python.org>
parents: 43693
diff changeset
3029 Py_INCREF(dict);
2ff0e81e68fc Patch 1171 by mfenniak -- allow subclassing of bytes.
Guido van Rossum <guido@python.org>
parents: 43693
diff changeset
3030 }
2ff0e81e68fc Patch 1171 by mfenniak -- allow subclassing of bytes.
Guido van Rossum <guido@python.org>
parents: 43693
diff changeset
3031
44351
86a2679dca46 #1629: Renamed Py_Size, Py_Type and Py_Refcnt to Py_SIZE, Py_TYPE and Py_REFCNT.
Christian Heimes <christian@cheimes.de>
parents: 44249
diff changeset
3032 return Py_BuildValue("(O(Ns)N)", Py_TYPE(self), latin1, "latin-1", dict);
41426
4561f6da3b7d Real pickling for bytes.
Guido van Rossum <guido@python.org>
parents: 41412
diff changeset
3033 }
4561f6da3b7d Real pickling for bytes.
Guido van Rossum <guido@python.org>
parents: 41412
diff changeset
3034
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3035 static PySequenceMethods bytes_as_sequence = {
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3036 (lenfunc)bytes_length, /* sq_length */
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
3037 (binaryfunc)PyBytes_Concat, /* sq_concat */
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3038 (ssizeargfunc)bytes_repeat, /* sq_repeat */
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3039 (ssizeargfunc)bytes_getitem, /* sq_item */
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3040 0, /* sq_slice */
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3041 (ssizeobjargproc)bytes_setitem, /* sq_ass_item */
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3042 0, /* sq_ass_slice */
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3043 (objobjproc)bytes_contains, /* sq_contains */
40967
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3044 (binaryfunc)bytes_iconcat, /* sq_inplace_concat */
a9e6c73e0fa5 Implement bytes.fromhex(), with tests.
Georg Brandl <georg@python.org>
parents: 40898
diff changeset
3045 (ssizeargfunc)bytes_irepeat, /* sq_inplace_repeat */
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3046 };
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3047
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3048 static PyMappingMethods bytes_as_mapping = {
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3049 (lenfunc)bytes_length,
40472
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
3050 (binaryfunc)bytes_subscript,
9548ca0e6560 Implement extended slicing in bytes objects.
Thomas Wouters <thomas@python.org>
parents: 39643
diff changeset
3051 (objobjargproc)bytes_ass_subscript,
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3052 };
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3053
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3054 static PyBufferProcs bytes_as_buffer = {
42665
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
3055 (getbufferproc)bytes_getbuffer,
85c22b4d4455 Merged in py3k-buffer branch to main line. All objects now use the buffer protocol in PEP 3118.
Travis E. Oliphant <oliphant@enthought.com>
parents: 42499
diff changeset
3056 (releasebufferproc)bytes_releasebuffer,
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3057 };
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3058
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3059 static PyMethodDef
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3060 bytes_methods[] = {
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3061 {"__alloc__", (PyCFunction)bytes_alloc, METH_NOARGS, alloc_doc},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3062 {"__reduce__", (PyCFunction)bytes_reduce, METH_NOARGS, reduce_doc},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3063 {"append", (PyCFunction)bytes_append, METH_O, append__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3064 {"capitalize", (PyCFunction)stringlib_capitalize, METH_NOARGS,
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3065 _Py_capitalize__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3066 {"center", (PyCFunction)stringlib_center, METH_VARARGS, center__doc__},
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
3067 {"count", (PyCFunction)bytes_count, METH_VARARGS, count__doc__},
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3068 {"decode", (PyCFunction)bytes_decode, METH_VARARGS, decode_doc},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3069 {"endswith", (PyCFunction)bytes_endswith, METH_VARARGS, endswith__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3070 {"expandtabs", (PyCFunction)stringlib_expandtabs, METH_VARARGS,
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3071 expandtabs__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3072 {"extend", (PyCFunction)bytes_extend, METH_O, extend__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3073 {"find", (PyCFunction)bytes_find, METH_VARARGS, find__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3074 {"fromhex", (PyCFunction)bytes_fromhex, METH_VARARGS|METH_CLASS,
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3075 fromhex_doc},
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
3076 {"index", (PyCFunction)bytes_index, METH_VARARGS, index__doc__},
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3077 {"insert", (PyCFunction)bytes_insert, METH_VARARGS, insert__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3078 {"isalnum", (PyCFunction)stringlib_isalnum, METH_NOARGS,
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3079 _Py_isalnum__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3080 {"isalpha", (PyCFunction)stringlib_isalpha, METH_NOARGS,
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3081 _Py_isalpha__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3082 {"isdigit", (PyCFunction)stringlib_isdigit, METH_NOARGS,
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3083 _Py_isdigit__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3084 {"islower", (PyCFunction)stringlib_islower, METH_NOARGS,
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3085 _Py_islower__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3086 {"isspace", (PyCFunction)stringlib_isspace, METH_NOARGS,
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3087 _Py_isspace__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3088 {"istitle", (PyCFunction)stringlib_istitle, METH_NOARGS,
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3089 _Py_istitle__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3090 {"isupper", (PyCFunction)stringlib_isupper, METH_NOARGS,
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3091 _Py_isupper__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3092 {"join", (PyCFunction)bytes_join, METH_O, join_doc},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3093 {"ljust", (PyCFunction)stringlib_ljust, METH_VARARGS, ljust__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3094 {"lower", (PyCFunction)stringlib_lower, METH_NOARGS, _Py_lower__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3095 {"lstrip", (PyCFunction)bytes_lstrip, METH_VARARGS, lstrip__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3096 {"partition", (PyCFunction)bytes_partition, METH_O, partition__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3097 {"pop", (PyCFunction)bytes_pop, METH_VARARGS, pop__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3098 {"remove", (PyCFunction)bytes_remove, METH_O, remove__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3099 {"replace", (PyCFunction)bytes_replace, METH_VARARGS, replace__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3100 {"reverse", (PyCFunction)bytes_reverse, METH_NOARGS, reverse__doc__},
40978
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
3101 {"rfind", (PyCFunction)bytes_rfind, METH_VARARGS, rfind__doc__},
61fee1853ca8 SF patch #1669633, add methods for bytes from Pete Shinners.
Neal Norwitz <nnorwitz@gmail.com>
parents: 40968
diff changeset
3102 {"rindex", (PyCFunction)bytes_rindex, METH_VARARGS, rindex__doc__},
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3103 {"rjust", (PyCFunction)stringlib_rjust, METH_VARARGS, rjust__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3104 {"rpartition", (PyCFunction)bytes_rpartition, METH_O, rpartition__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3105 {"rsplit", (PyCFunction)bytes_rsplit, METH_VARARGS, rsplit__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3106 {"rstrip", (PyCFunction)bytes_rstrip, METH_VARARGS, rstrip__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3107 {"split", (PyCFunction)bytes_split, METH_VARARGS, split__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3108 {"splitlines", (PyCFunction)stringlib_splitlines, METH_VARARGS,
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3109 splitlines__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3110 {"startswith", (PyCFunction)bytes_startswith, METH_VARARGS ,
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3111 startswith__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3112 {"strip", (PyCFunction)bytes_strip, METH_VARARGS, strip__doc__},
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
3113 {"swapcase", (PyCFunction)stringlib_swapcase, METH_NOARGS,
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
3114 _Py_swapcase__doc__},
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
3115 {"title", (PyCFunction)stringlib_title, METH_NOARGS, _Py_title__doc__},
43693
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3116 {"translate", (PyCFunction)bytes_translate, METH_VARARGS,
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3117 translate__doc__},
0502a8c64ef2 Sort the method lists for str8 and bytes so differences are more apparent.
Guido van Rossum <guido@python.org>
parents: 43689
diff changeset
3118 {"upper", (PyCFunction)stringlib_upper, METH_NOARGS, _Py_upper__doc__},
43576
697cc31a83f6 For PEP3137: Adds missing methods to the mutable PyBytes object (soon
Gregory P. Smith <greg@mad-scientist.com>
parents: 43508
diff changeset
3119 {"zfill", (PyCFunction)stringlib_zfill, METH_VARARGS, zfill__doc__},
38115
a6a1359aab84 Optimizations for bytes reallocation.
Guido van Rossum <guido@python.org>
parents: 38017
diff changeset
3120 {NULL}
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3121 };
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3122
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3123 PyDoc_STRVAR(bytes_doc,
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3124 "bytearray(iterable_of_ints) -> bytearray.\n\
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3125 bytearray(string, encoding[, errors]) -> bytearray.\n\
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3126 bytearray(bytes_or_bytearray) -> mutable copy of bytes_or_bytearray.\n\
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3127 bytearray(memory_view) -> bytearray.\n\
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3128 \n\
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3129 Construct an mutable bytearray object from:\n\
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
3130 - an iterable yielding integers in range(256)\n\
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
3131 - a text string encoded using the specified encoding\n\
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3132 - a bytes or a bytearray object\n\
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
3133 - any object implementing the buffer API.\n\
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
3134 \n\
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3135 bytearray(int) -> bytearray.\n\
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
3136 \n\
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3137 Construct a zero-initialized bytearray of the given length.");
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
3138
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3139
43689
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3140 static PyObject *bytes_iter(PyObject *seq);
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3141
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3142 PyTypeObject PyBytes_Type = {
42334
e70cdce0e8b2 Merged revisions 56467-56482 via svnmerge from
Martin v. Löwis <martin@v.loewis.de>
parents: 42319
diff changeset
3143 PyVarObject_HEAD_INIT(&PyType_Type, 0)
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3144 "bytearray",
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3145 sizeof(PyBytesObject),
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3146 0,
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3147 (destructor)bytes_dealloc, /* tp_dealloc */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3148 0, /* tp_print */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3149 0, /* tp_getattr */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3150 0, /* tp_setattr */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3151 0, /* tp_compare */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3152 (reprfunc)bytes_repr, /* tp_repr */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3153 0, /* tp_as_number */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3154 &bytes_as_sequence, /* tp_as_sequence */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3155 &bytes_as_mapping, /* tp_as_mapping */
40968
2d9d10702ec4 Remove a few stray tabs from bytesobject.c.
Georg Brandl <georg@python.org>
parents: 40967
diff changeset
3156 0, /* tp_hash */
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3157 0, /* tp_call */
43777
0d462d789b18 Merging the py3k-pep3137 branch back into the py3k branch.
Guido van Rossum <guido@python.org>
parents: 43757
diff changeset
3158 bytes_str, /* tp_str */
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3159 PyObject_GenericGetAttr, /* tp_getattro */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3160 0, /* tp_setattro */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3161 &bytes_as_buffer, /* tp_as_buffer */
43757
2ff0e81e68fc Patch 1171 by mfenniak -- allow subclassing of bytes.
Guido van Rossum <guido@python.org>
parents: 43693
diff changeset
3162 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags */
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3163 bytes_doc, /* tp_doc */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3164 0, /* tp_traverse */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3165 0, /* tp_clear */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3166 (richcmpfunc)bytes_richcompare, /* tp_richcompare */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3167 0, /* tp_weaklistoffset */
43689
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3168 bytes_iter, /* tp_iter */
37960
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3169 0, /* tp_iternext */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3170 bytes_methods, /* tp_methods */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3171 0, /* tp_members */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3172 0, /* tp_getset */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3173 0, /* tp_base */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3174 0, /* tp_dict */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3175 0, /* tp_descr_get */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3176 0, /* tp_descr_set */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3177 0, /* tp_dictoffset */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3178 (initproc)bytes_init, /* tp_init */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3179 PyType_GenericAlloc, /* tp_alloc */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3180 PyType_GenericNew, /* tp_new */
e0b7e34b5971 Added much functionality to the bytes type.
Guido van Rossum <guido@python.org>
parents: 37930
diff changeset
3181 PyObject_Del, /* tp_free */
37927
a7f3765ea464 Here is a bytes type. It's very minimal but it's a start.
Guido van Rossum <guido@python.org>
parents:
diff changeset
3182 };
43689
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3183
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3184 /*********************** Bytes Iterator ****************************/
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3185
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3186 typedef struct {
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3187 PyObject_HEAD
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3188 Py_ssize_t it_index;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3189 PyBytesObject *it_seq; /* Set to NULL when iterator is exhausted */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3190 } bytesiterobject;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3191
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3192 static void
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3193 bytesiter_dealloc(bytesiterobject *it)
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3194 {
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3195 _PyObject_GC_UNTRACK(it);
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3196 Py_XDECREF(it->it_seq);
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3197 PyObject_GC_Del(it);
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3198 }
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3199
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3200 static int
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3201 bytesiter_traverse(bytesiterobject *it, visitproc visit, void *arg)
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3202 {
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3203 Py_VISIT(it->it_seq);
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3204 return 0;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3205 }
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3206
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3207 static PyObject *
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3208 bytesiter_next(bytesiterobject *it)
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3209 {
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3210 PyBytesObject *seq;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3211 PyObject *item;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3212
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3213 assert(it != NULL);
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3214 seq = it->it_seq;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3215 if (seq == NULL)
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3216 return NULL;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3217 assert(PyBytes_Check(seq));
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3218
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3219 if (it->it_index < PyBytes_GET_SIZE(seq)) {
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 43947
diff changeset
3220 item = PyLong_FromLong(
43689
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3221 (unsigned char)seq->ob_bytes[it->it_index]);
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3222 if (item != NULL)
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3223 ++it->it_index;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3224 return item;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3225 }
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3226
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3227 Py_DECREF(seq);
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3228 it->it_seq = NULL;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3229 return NULL;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3230 }
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3231
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3232 static PyObject *
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3233 bytesiter_length_hint(bytesiterobject *it)
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3234 {
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3235 Py_ssize_t len = 0;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3236 if (it->it_seq)
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3237 len = PyBytes_GET_SIZE(it->it_seq) - it->it_index;
44099
f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h
Christian Heimes <christian@cheimes.de>
parents: 43947
diff changeset
3238 return PyLong_FromSsize_t(len);
43689
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3239 }
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3240
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3241 PyDoc_STRVAR(length_hint_doc,
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3242 "Private method returning an estimate of len(list(it)).");
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3243
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3244 static PyMethodDef bytesiter_methods[] = {
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3245 {"__length_hint__", (PyCFunction)bytesiter_length_hint, METH_NOARGS,
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3246 length_hint_doc},
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3247 {NULL, NULL} /* sentinel */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3248 };
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3249
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3250 PyTypeObject PyBytesIter_Type = {
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3251 PyVarObject_HEAD_INIT(&PyType_Type, 0)
43947
cbc8b3bd3157 Rename buffer -> bytearray.
Guido van Rossum <guido@python.org>
parents: 43777
diff changeset
3252 "bytearray_iterator", /* tp_name */
43689
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3253 sizeof(bytesiterobject), /* tp_basicsize */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3254 0, /* tp_itemsize */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3255 /* methods */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3256 (destructor)bytesiter_dealloc, /* tp_dealloc */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3257 0, /* tp_print */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3258 0, /* tp_getattr */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3259 0, /* tp_setattr */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3260 0, /* tp_compare */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3261 0, /* tp_repr */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3262 0, /* tp_as_number */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3263 0, /* tp_as_sequence */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3264 0, /* tp_as_mapping */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3265 0, /* tp_hash */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3266 0, /* tp_call */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3267 0, /* tp_str */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3268 PyObject_GenericGetAttr, /* tp_getattro */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3269 0, /* tp_setattro */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3270 0, /* tp_as_buffer */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3271 Py_TPFLAGS_DEFAULT | Py_TPFLAGS_HAVE_GC, /* tp_flags */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3272 0, /* tp_doc */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3273 (traverseproc)bytesiter_traverse, /* tp_traverse */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3274 0, /* tp_clear */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3275 0, /* tp_richcompare */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3276 0, /* tp_weaklistoffset */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3277 PyObject_SelfIter, /* tp_iter */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3278 (iternextfunc)bytesiter_next, /* tp_iternext */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3279 bytesiter_methods, /* tp_methods */
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3280 0,
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3281 };
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3282
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3283 static PyObject *
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3284 bytes_iter(PyObject *seq)
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3285 {
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3286 bytesiterobject *it;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3287
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3288 if (!PyBytes_Check(seq)) {
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3289 PyErr_BadInternalCall();
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3290 return NULL;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3291 }
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3292 it = PyObject_GC_New(bytesiterobject, &PyBytesIter_Type);
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3293 if (it == NULL)
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3294 return NULL;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3295 it->it_index = 0;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3296 Py_INCREF(seq);
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3297 it->it_seq = (PyBytesObject *)seq;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3298 _PyObject_GC_TRACK(it);
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3299 return (PyObject *)it;
64ce3bf3a6a9 Patch 1335 by Christian Heimes.
Guido van Rossum <guido@python.org>
parents: 43687
diff changeset
3300 }