Mercurial > cpython-lru_cache-weakref

annotate Modules/cStringIO.c @ 25135:0f0016632be4 legacy-trunk

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_formatparam(), set_param(): RFC 2231 encoding support by Oleg Broytmann in SF patch #600096. Specifically, the former function now encodes the triplets, while the latter adds optional charset and language arguments.
author Barry Warsaw <barry@python.org>
date Fri, 06 Sep 2002 03:55:04 +0000
parents 9a178adb4e2d
children 23280a64288e
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1
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2 #include "Python.h"
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3 #include "import.h"
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4 #include "cStringIO.h"
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5
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6 PyDoc_STRVAR(cStringIO_module_documentation,
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7 "A simple fast partial StringIO replacement.\n"
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8 "\n"
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9 "This module provides a simple useful replacement for\n"
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10 "the StringIO module that is written in C. It does not provide the\n"
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2513cd74147c Fixed docstring typo, reported by Skip Montanaro <skip@mojam.com>.
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11 "full generality of StringIO, but it provides enough for most\n"
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5b727ab37092 Spelling fixes supplied by Rob W. W. Hooft. All these are fixes in either
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12 "applications and is especially useful in conjunction with the\n"
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13 "pickle module.\n"
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14 "\n"
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15 "Usage:\n"
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16 "\n"
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17 " from cStringIO import StringIO\n"
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18 "\n"
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19 " an_output_stream=StringIO()\n"
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20 " an_output_stream.write(some_stuff)\n"
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21 " ...\n"
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22 " value=an_output_stream.getvalue()\n"
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23 "\n"
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24 " an_input_stream=StringIO(a_string)\n"
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25 " spam=an_input_stream.readline()\n"
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26 " spam=an_input_stream.read(5)\n"
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27 " an_input_stream.seek(0) # OK, start over\n"
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28 " spam=an_input_stream.read() # and read it all\n"
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29 " \n"
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30 "If someone else wants to provide a more complete implementation,\n"
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31 "go for it. :-) \n"
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32 "\n"
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33 "cStringIO.c,v 1.29 1999/06/15 14:10:27 jim Exp\n");
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34
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35 #define UNLESS(E) if (!(E))
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37
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38 /* Declaration for file-like objects that manage data as strings
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39
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40 The IOobject type should be though of as a common base type for
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41 Iobjects, which provide input (read-only) StringIO objects and
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42 Oobjects, which provide read-write objects. Most of the methods
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43 depend only on common data.
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44 */
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45
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46 typedef struct {
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47 PyObject_HEAD
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48 char *buf;
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49 int pos, string_size;
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50 } IOobject;
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51
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52 #define IOOOBJECT(O) ((IOobject*)(O))
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53
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54 /* Declarations for objects of type StringO */
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55
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56 typedef struct { /* Subtype of IOobject */
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57 PyObject_HEAD
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58 char *buf;
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59 int pos, string_size;
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60
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61 int buf_size, softspace;
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62 } Oobject;
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63
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64 /* Declarations for objects of type StringI */
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65
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66 typedef struct { /* Subtype of IOobject */
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67 PyObject_HEAD
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68 char *buf;
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69 int pos, string_size;
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70 /* We store a reference to the object here in order to keep
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71 the buffer alive during the lifetime of the Iobject. */
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72 PyObject *pbuf;
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73 } Iobject;
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74
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75 /* IOobject (common) methods */
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76
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77 PyDoc_STRVAR(IO_flush__doc__, "flush(): does nothing.");
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78
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79 static int
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80 IO__opencheck(IOobject *self) {
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81 UNLESS (self->buf) {
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82 PyErr_SetString(PyExc_ValueError,
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83 "I/O operation on closed file");
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84 return 0;
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85 }
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86 return 1;
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87 }
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88
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89 static PyObject *
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90 IO_flush(IOobject *self, PyObject *args) {
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91
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92 UNLESS (IO__opencheck(self)) return NULL;
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93 UNLESS (PyArg_ParseTuple(args, ":flush")) return NULL;
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94
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95 Py_INCREF(Py_None);
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96 return Py_None;
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97 }
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98
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99 PyDoc_STRVAR(IO_getval__doc__,
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100 "getvalue([use_pos]) -- Get the string value."
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101 "\n"
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102 "If use_pos is specified and is a true value, then the string returned\n"
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103 "will include only the text up to the current file position.\n");
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104
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105 static PyObject *
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106 IO_cgetval(PyObject *self) {
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107 UNLESS (IO__opencheck(IOOOBJECT(self))) return NULL;
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108 return PyString_FromStringAndSize(((IOobject*)self)->buf,
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109 ((IOobject*)self)->pos);
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110 }
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111
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112 static PyObject *
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113 IO_getval(IOobject *self, PyObject *args) {
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114 PyObject *use_pos=Py_None;
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115 int s;
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116
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117 UNLESS (IO__opencheck(self)) return NULL;
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118 UNLESS (PyArg_ParseTuple(args,"|O:getval",&use_pos)) return NULL;
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119
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120 if (PyObject_IsTrue(use_pos)) {
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121 s=self->pos;
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122 if (s > self->string_size) s=self->string_size;
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123 }
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124 else
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125 s=self->string_size;
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126 return PyString_FromStringAndSize(self->buf, s);
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127 }
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128
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129 PyDoc_STRVAR(IO_isatty__doc__, "isatty(): always returns 0");
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130
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131 static PyObject *
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132 IO_isatty(IOobject *self, PyObject *args) {
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133
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134 UNLESS (PyArg_ParseTuple(args, ":isatty")) return NULL;
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135
25087
9a178adb4e2d SF bug 601775 - some int results that should be bool.
Guido van Rossum <guido@python.org>
parents: 24471
diff changeset
136 Py_INCREF(Py_False);
9a178adb4e2d SF bug 601775 - some int results that should be bool.
Guido van Rossum <guido@python.org>
parents: 24471
diff changeset
137 return Py_False;
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
138 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
139
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
140 PyDoc_STRVAR(IO_read__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
141 "read([s]) -- Read s characters, or the rest of the string");
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
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parents: 14679
diff changeset
142
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
143 static int
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
144 IO_cread(PyObject *self, char **output, int n) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
145 int l;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
146
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
147 UNLESS (IO__opencheck(IOOOBJECT(self))) return -1;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
148 l = ((IOobject*)self)->string_size - ((IOobject*)self)->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
149 if (n < 0 || n > l) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
150 n = l;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
151 if (n < 0) n=0;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
152 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
153
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
154 *output=((IOobject*)self)->buf + ((IOobject*)self)->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
155 ((IOobject*)self)->pos += n;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
156 return n;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
157 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
158
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
159 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
160 IO_read(IOobject *self, PyObject *args) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
161 int n = -1;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
162 char *output;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
163
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
164 UNLESS (PyArg_ParseTuple(args, "|i:read", &n)) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
165
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
166 if ( (n=IO_cread((PyObject*)self,&output,n)) < 0) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
167
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
168 return PyString_FromStringAndSize(output, n);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
169 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
170
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
171 PyDoc_STRVAR(IO_readline__doc__, "readline() -- Read one line");
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
172
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
173 static int
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
174 IO_creadline(PyObject *self, char **output) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
175 char *n, *s;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
176 int l;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
177
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
178 UNLESS (IO__opencheck(IOOOBJECT(self))) return -1;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
179
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
180 for (n = ((IOobject*)self)->buf + ((IOobject*)self)->pos,
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
181 s = ((IOobject*)self)->buf + ((IOobject*)self)->string_size;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
182 n < s && *n != '\n'; n++);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
183 if (n < s) n++;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
184
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
185 *output=((IOobject*)self)->buf + ((IOobject*)self)->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
186 l = n - ((IOobject*)self)->buf - ((IOobject*)self)->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
187 ((IOobject*)self)->pos += l;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
188 return l;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
189 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
190
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
191 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
192 IO_readline(IOobject *self, PyObject *args) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
193 int n, m=-1;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
194 char *output;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
195
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
196 UNLESS (PyArg_ParseTuple(args, "|i:readline", &m)) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
197
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
198 if( (n=IO_creadline((PyObject*)self,&output)) < 0) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
199 if (m >= 0 && m < n) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
200 m = n - m;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
201 n -= m;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
202 self->pos -= m;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
203 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
204 return PyString_FromStringAndSize(output, n);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
205 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
206
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
207 PyDoc_STRVAR(IO_readlines__doc__, "readlines() -- Read all lines");
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
208
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
209 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
210 IO_readlines(IOobject *self, PyObject *args) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
211 int n;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
212 char *output;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
213 PyObject *result, *line;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
214 int hint = 0, length = 0;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
215
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
216 UNLESS (PyArg_ParseTuple(args, "|i:readlines", &hint)) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
217
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
218 result = PyList_New(0);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
219 if (!result)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
220 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
221
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
222 while (1){
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
223 if ( (n = IO_creadline((PyObject*)self,&output)) < 0)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
224 goto err;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
225 if (n == 0)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
226 break;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
227 line = PyString_FromStringAndSize (output, n);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
228 if (!line)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
229 goto err;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
230 PyList_Append (result, line);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
231 Py_DECREF (line);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
232 length += n;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
233 if (hint > 0 && length >= hint)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
234 break;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
235 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
236 return result;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
237 err:
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
238 Py_DECREF(result);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
239 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
240 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
241
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
242 PyDoc_STRVAR(IO_reset__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
243 "reset() -- Reset the file position to the beginning");
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
244
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
245 static PyObject *
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
246 IO_reset(IOobject *self, PyObject *args) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
247
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
248 UNLESS (IO__opencheck(self)) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
249 UNLESS (PyArg_ParseTuple(args, ":reset")) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
250
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
251 self->pos = 0;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
252
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
253 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
254 return Py_None;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
255 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
256
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
257 PyDoc_STRVAR(IO_tell__doc__, "tell() -- get the current position.");
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
258
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
259 static PyObject *
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
260 IO_tell(IOobject *self, PyObject *args) {
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
261
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
262 UNLESS (IO__opencheck(self)) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
263 UNLESS (PyArg_ParseTuple(args, ":tell")) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
264
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
265 return PyInt_FromLong(self->pos);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
266 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
267
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
268 PyDoc_STRVAR(IO_truncate__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
269 "truncate(): truncate the file at the current position.");
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
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parents: 14679
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270
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271 static PyObject *
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272 IO_truncate(IOobject *self, PyObject *args) {
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273 int pos = -1;
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274
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275 UNLESS (IO__opencheck(self)) return NULL;
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276 UNLESS (PyArg_ParseTuple(args, "|i:truncate", &pos)) return NULL;
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277 if (pos < 0) pos = self->pos;
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278
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279 if (self->string_size > pos) self->string_size = pos;
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280
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281 Py_INCREF(Py_None);
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282 return Py_None;
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283 }
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284
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285
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286
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287
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288 /* Read-write object methods */
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289
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290 PyDoc_STRVAR(O_seek__doc__,
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291 "seek(position) -- set the current position\n"
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292 "seek(position, mode) -- mode 0: absolute; 1: relative; 2: relative to EOF");
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293
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294 static PyObject *
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295 O_seek(Oobject *self, PyObject *args) {
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296 int position, mode = 0;
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297
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298 UNLESS (IO__opencheck(IOOOBJECT(self))) return NULL;
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299 UNLESS (PyArg_ParseTuple(args, "i|i:seek", &position, &mode))
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300 return NULL;
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301
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302 if (mode == 2) {
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303 position += self->string_size;
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304 }
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305 else if (mode == 1) {
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306 position += self->pos;
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307 }
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308
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309 if (position > self->buf_size) {
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310 self->buf_size*=2;
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311 if (self->buf_size <= position) self->buf_size=position+1;
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312 UNLESS (self->buf=(char*)
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313 realloc(self->buf,self->buf_size*sizeof(char))) {
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314 self->buf_size=self->pos=0;
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315 return PyErr_NoMemory();
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316 }
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317 }
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318 else if (position < 0) position=0;
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319
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320 self->pos=position;
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08823099ae62 Implement readlines function. Closes Bug #110686.
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321
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322 while (--position >= self->string_size) self->buf[position]=0;
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323
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324 Py_INCREF(Py_None);
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325 return Py_None;
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326 }
08823099ae62 Implement readlines function. Closes Bug #110686.
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327
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328 PyDoc_STRVAR(O_write__doc__,
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329 "write(s) -- Write a string to the file"
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330 "\n\nNote (hack:) writing None resets the buffer");
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331
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332
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333 static int
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334 O_cwrite(PyObject *self, char *c, int l) {
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335 int newl;
21294
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336 Oobject *oself;
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337
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338 UNLESS (IO__opencheck(IOOOBJECT(self))) return -1;
21294
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339 oself = (Oobject *)self;
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340
21294
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341 newl = oself->pos+l;
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342 if (newl >= oself->buf_size) {
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343 oself->buf_size *= 2;
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344 if (oself->buf_size <= newl)
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345 oself->buf_size = newl+1;
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346 UNLESS (oself->buf =
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347 (char*)realloc(oself->buf,
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348 (oself->buf_size) * sizeof(char))) {
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349 PyErr_SetString(PyExc_MemoryError,"out of memory");
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350 oself->buf_size = oself->pos = 0;
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351 return -1;
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352 }
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353 }
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354
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355 memcpy(oself->buf+oself->pos,c,l);
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356
21294
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357 oself->pos += l;
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358
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359 if (oself->string_size < oself->pos) {
24a6c3fd0e58 O_cwrite(): rewrote for clarity, replacing all the (Oobject *)self
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360 oself->string_size = oself->pos;
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361 }
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362
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363 return l;
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364 }
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365
8fdb0539cfb1 Jim F's brainchild
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366 static PyObject *
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367 O_write(Oobject *self, PyObject *args) {
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368 char *c;
acb88607b4bd Added a new "base" type, IOobject for which most of the
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diff changeset
369 int l;
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370
23301
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371 UNLESS (PyArg_ParseTuple(args, "t#:write", &c, &l)) return NULL;
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parents: 5315
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372
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373 if (O_cwrite((PyObject*)self,c,l) < 0) return NULL;
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374
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375 Py_INCREF(Py_None);
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diff changeset
376 return Py_None;
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377 }
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diff changeset
378
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379 PyDoc_STRVAR(O_close__doc__, "close(): explicitly release resources held.");
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380
8fdb0539cfb1 Jim F's brainchild
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diff changeset
381 static PyObject *
5280
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diff changeset
382 O_close(Oobject *self, PyObject *args) {
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383
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384 UNLESS (PyArg_ParseTuple(args, ":close")) return NULL;
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diff changeset
385
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diff changeset
386 if (self->buf != NULL) free(self->buf);
acb88607b4bd Added a new "base" type, IOobject for which most of the
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diff changeset
387 self->buf = NULL;
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diff changeset
388
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diff changeset
389 self->pos = self->string_size = self->buf_size = 0;
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diff changeset
390
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diff changeset
391 Py_INCREF(Py_None);
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diff changeset
392 return Py_None;
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393 }
8fdb0539cfb1 Jim F's brainchild
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394
8fdb0539cfb1 Jim F's brainchild
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diff changeset
395
23832
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diff changeset
396 PyDoc_STRVAR(O_writelines__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros.
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parents: 23301
diff changeset
397 "writelines(sequence_of_strings): write each string");
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diff changeset
398 static PyObject *
5280
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diff changeset
399 O_writelines(Oobject *self, PyObject *args) {
15059
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diff changeset
400 PyObject *tmp = 0;
16546
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diff changeset
401 static PyObject *joiner = NULL;
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diff changeset
402
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diff changeset
403 UNLESS (PyArg_ParseTuple(args, "O:writelines", &args)) return NULL;
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parents:
diff changeset
404
16546
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parents: 15059
diff changeset
405 if (!joiner) {
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join.
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parents: 15059
diff changeset
406 PyObject *empty_string = PyString_FromString("");
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15059
diff changeset
407 if (empty_string == NULL)
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15059
diff changeset
408 return NULL;
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15059
diff changeset
409 joiner = PyObject_GetAttrString(empty_string, "join");
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15059
diff changeset
410 Py_DECREF(empty_string);
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15059
diff changeset
411 if (joiner == NULL)
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15059
diff changeset
412 return NULL;
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15059
diff changeset
413 }
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
414
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
415 if (PyObject_Size(args) < 0) return NULL;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
416
16546
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15059
diff changeset
417 tmp = PyObject_CallFunction(joiner, "O", args);
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
418 UNLESS (tmp) return NULL;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
419
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
420 args = Py_BuildValue("(O)", tmp);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
421 Py_DECREF(tmp);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
422 UNLESS (args) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
423
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
424 tmp = O_write(self, args);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
425 Py_DECREF(args);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
426 return tmp;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
427 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
428
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
429 static struct PyMethodDef O_methods[] = {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
430 /* Common methods: */
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
431 {"flush", (PyCFunction)IO_flush, METH_VARARGS, IO_flush__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
432 {"getvalue", (PyCFunction)IO_getval, METH_VARARGS, IO_getval__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
433 {"isatty", (PyCFunction)IO_isatty, METH_VARARGS, IO_isatty__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
434 {"read", (PyCFunction)IO_read, METH_VARARGS, IO_read__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
435 {"readline", (PyCFunction)IO_readline, METH_VARARGS, IO_readline__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
436 {"readlines", (PyCFunction)IO_readlines,METH_VARARGS, IO_readlines__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
437 {"reset", (PyCFunction)IO_reset, METH_VARARGS, IO_reset__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
438 {"tell", (PyCFunction)IO_tell, METH_VARARGS, IO_tell__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
439 {"truncate", (PyCFunction)IO_truncate, METH_VARARGS, IO_truncate__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
440
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
441 /* Read-write StringIO specific methods: */
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
442 {"close", (PyCFunction)O_close, METH_VARARGS, O_close__doc__},
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
443 {"seek", (PyCFunction)O_seek, METH_VARARGS, O_seek__doc__},
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
444 {"write", (PyCFunction)O_write, METH_VARARGS, O_write__doc__},
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
445 {"writelines", (PyCFunction)O_writelines, METH_VARARGS, O_writelines__doc__},
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
446 {NULL, NULL} /* sentinel */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
447 };
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
448
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
449 static void
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
450 O_dealloc(Oobject *self) {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
451 if (self->buf != NULL)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
452 free(self->buf);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
453 PyObject_Del(self);
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
454 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
455
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
456 static PyObject *
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
457 O_getattr(Oobject *self, char *name) {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
458 if (strcmp(name, "softspace") == 0) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
459 return PyInt_FromLong(self->softspace);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
460 }
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
461 return Py_FindMethod(O_methods, (PyObject *)self, name);
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
462 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
463
5315
65c9e90d8142 My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents: 5280
diff changeset
464 static int
65c9e90d8142 My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents: 5280
diff changeset
465 O_setattr(Oobject *self, char *name, PyObject *value) {
65c9e90d8142 My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents: 5280
diff changeset
466 long x;
65c9e90d8142 My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents: 5280
diff changeset
467 if (strcmp(name, "softspace") != 0) {
65c9e90d8142 My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents: 5280
diff changeset
468 PyErr_SetString(PyExc_AttributeError, name);
65c9e90d8142 My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents: 5280
diff changeset
469 return -1;
65c9e90d8142 My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents: 5280
diff changeset
470 }
65c9e90d8142 My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents: 5280
diff changeset
471 x = PyInt_AsLong(value);
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
472 if (x < 0 && PyErr_Occurred())
5315
65c9e90d8142 My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents: 5280
diff changeset
473 return -1;
65c9e90d8142 My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents: 5280
diff changeset
474 self->softspace = x;
65c9e90d8142 My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents: 5280
diff changeset
475 return 0;
65c9e90d8142 My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents: 5280
diff changeset
476 }
65c9e90d8142 My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents: 5280
diff changeset
477
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
478 PyDoc_STRVAR(Otype__doc__, "Simple type for output to strings.");
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
479
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
480 static PyTypeObject Otype = {
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
481 PyObject_HEAD_INIT(NULL)
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
482 0, /*ob_size*/
21313
91dd223829c6 Patch supplied by Burton Radons for his own SF bug #487390: Modifying
Guido van Rossum <guido@python.org>
parents: 21294
diff changeset
483 "cStringIO.StringO", /*tp_name*/
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
484 sizeof(Oobject), /*tp_basicsize*/
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
485 0, /*tp_itemsize*/
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
486 /* methods */
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
487 (destructor)O_dealloc, /*tp_dealloc*/
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
488 (printfunc)0, /*tp_print*/
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
489 (getattrfunc)O_getattr, /*tp_getattr*/
5315
65c9e90d8142 My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents: 5280
diff changeset
490 (setattrfunc)O_setattr, /*tp_setattr*/
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
491 (cmpfunc)0, /*tp_compare*/
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
492 (reprfunc)0, /*tp_repr*/
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
493 0, /*tp_as_number*/
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
494 0, /*tp_as_sequence*/
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
495 0, /*tp_as_mapping*/
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
496 (hashfunc)0, /*tp_hash*/
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
497 (ternaryfunc)0, /*tp_call*/
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
498 (reprfunc)0, /*tp_str*/
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
499
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
500 /* Space for future expansion */
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
501 0L,0L,0L,0L,
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
502 Otype__doc__ /* Documentation string */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
503 };
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
504
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
505 static PyObject *
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
506 newOobject(int size) {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
507 Oobject *self;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
508
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
509 self = PyObject_New(Oobject, &Otype);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
510 if (self == NULL)
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
511 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
512 self->pos=0;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
513 self->string_size = 0;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
514 self->softspace = 0;
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
515
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
516 UNLESS (self->buf=malloc(size*sizeof(char))) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
517 PyErr_SetString(PyExc_MemoryError,"out of memory");
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
518 self->buf_size = 0;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
519 return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
520 }
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
521
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
522 self->buf_size=size;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
523 return (PyObject*)self;
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
524 }
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
525
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
526 /* End of code for StringO objects */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
527 /* -------------------------------------------------------- */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
528
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
529 static PyObject *
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
530 I_close(Iobject *self, PyObject *args) {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
531
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
532 UNLESS (PyArg_ParseTuple(args, ":close")) return NULL;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
533
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
534 Py_XDECREF(self->pbuf);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
535 self->pbuf = NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
536 self->buf = NULL;
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
537
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
538 self->pos = self->string_size = 0;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
539
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
540 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
541 return Py_None;
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
542 }
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
543
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
544 static PyObject *
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
545 I_seek(Iobject *self, PyObject *args) {
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
546 int position, mode = 0;
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
547
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
548 UNLESS (IO__opencheck(IOOOBJECT(self))) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
549 UNLESS (PyArg_ParseTuple(args, "i|i:seek", &position, &mode))
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
550 return NULL;
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
551
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
552 if (mode == 2) position += self->string_size;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
553 else if (mode == 1) position += self->pos;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
554
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
555 if (position < 0) position=0;
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
556
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
557 self->pos=position;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
558
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
559 Py_INCREF(Py_None);
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
560 return Py_None;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
561 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
562
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
563 static struct PyMethodDef I_methods[] = {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
564 /* Common methods: */
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
565 {"flush", (PyCFunction)IO_flush, METH_VARARGS, IO_flush__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
566 {"getvalue", (PyCFunction)IO_getval, METH_VARARGS, IO_getval__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
567 {"isatty", (PyCFunction)IO_isatty, METH_VARARGS, IO_isatty__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
568 {"read", (PyCFunction)IO_read, METH_VARARGS, IO_read__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
569 {"readline", (PyCFunction)IO_readline, METH_VARARGS, IO_readline__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
570 {"readlines", (PyCFunction)IO_readlines,METH_VARARGS, IO_readlines__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
571 {"reset", (PyCFunction)IO_reset, METH_VARARGS, IO_reset__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
572 {"tell", (PyCFunction)IO_tell, METH_VARARGS, IO_tell__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
573 {"truncate", (PyCFunction)IO_truncate, METH_VARARGS, IO_truncate__doc__},
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
574
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
575 /* Read-only StringIO specific methods: */
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
576 {"close", (PyCFunction)I_close, METH_VARARGS, O_close__doc__},
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
577 {"seek", (PyCFunction)I_seek, METH_VARARGS, O_seek__doc__},
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
578 {NULL, NULL}
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
579 };
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
580
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
581 static void
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
582 I_dealloc(Iobject *self) {
6215
eb7a01b86f93 Fix the bug Jeremy was experiencing: both the close() and the
Guido van Rossum <guido@python.org>
parents: 5991
diff changeset
583 Py_XDECREF(self->pbuf);
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12385
diff changeset
584 PyObject_Del(self);
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
585 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
586
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
587 static PyObject *
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
588 I_getattr(Iobject *self, char *name) {
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
589 return Py_FindMethod(I_methods, (PyObject *)self, name);
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
590 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
591
20033
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
592 static PyObject *
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
593 I_getiter(Iobject *self)
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
594 {
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
595 PyObject *myreadline = PyObject_GetAttrString((PyObject*)self,
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
596 "readline");
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
597 PyObject *emptystring = PyString_FromString("");
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
598 PyObject *iter = NULL;
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
599 if (!myreadline || !emptystring)
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
600 goto finally;
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
601
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
602 iter = PyCallIter_New(myreadline, emptystring);
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
603 finally:
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
604 Py_XDECREF(myreadline);
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
605 Py_XDECREF(emptystring);
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
606 return iter;
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
607 }
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
608
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
609
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
610 PyDoc_STRVAR(Itype__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
611 "Simple type for treating strings as input file streams");
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
612
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
613 static PyTypeObject Itype = {
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
614 PyObject_HEAD_INIT(NULL)
20033
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
615 0, /*ob_size*/
21313
91dd223829c6 Patch supplied by Burton Radons for his own SF bug #487390: Modifying
Guido van Rossum <guido@python.org>
parents: 21294
diff changeset
616 "cStringIO.StringI", /*tp_name*/
20033
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
617 sizeof(Iobject), /*tp_basicsize*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
618 0, /*tp_itemsize*/
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
619 /* methods */
20033
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
620 (destructor)I_dealloc, /*tp_dealloc*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
621 (printfunc)0, /*tp_print*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
622 (getattrfunc)I_getattr, /*tp_getattr*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
623 (setattrfunc)0, /*tp_setattr*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
624 (cmpfunc)0, /*tp_compare*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
625 (reprfunc)0, /*tp_repr*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
626 0, /*tp_as_number*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
627 0, /*tp_as_sequence*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
628 0, /*tp_as_mapping*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
629 (hashfunc)0, /*tp_hash*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
630 (ternaryfunc)0, /*tp_call*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
631 (reprfunc)0, /*tp_str*/
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
632 0, /* tp_getattro */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
633 0, /* tp_setattro */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
634 0, /* tp_as_buffer */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
635 Py_TPFLAGS_DEFAULT, /* tp_flags */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
636 Itype__doc__, /* tp_doc */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
637 0, /* tp_traverse */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
638 0, /* tp_clear */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
639 0, /* tp_richcompare */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
640 0, /* tp_weaklistoffset */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
641 (getiterfunc)I_getiter, /* tp_iter */
104b5c9b88ea I_getiter(): Function for the tp_iter slot of Itype so that
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
642 0, /* tp_iternext */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
643 };
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
644
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
645 static PyObject *
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
646 newIobject(PyObject *s) {
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
647 Iobject *self;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
648 char *buf;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
649 int size;
12385
627226df9f01 raise TypeError when bad argument passed to cStringIO.StringIO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11882
diff changeset
650
20060
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20033
diff changeset
651 if (PyObject_AsReadBuffer(s, (const void **)&buf, &size)) {
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20033
diff changeset
652 PyErr_Format(PyExc_TypeError, "expected read buffer, %.200s found",
12385
627226df9f01 raise TypeError when bad argument passed to cStringIO.StringIO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11882
diff changeset
653 s->ob_type->tp_name);
627226df9f01 raise TypeError when bad argument passed to cStringIO.StringIO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11882
diff changeset
654 return NULL;
627226df9f01 raise TypeError when bad argument passed to cStringIO.StringIO
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11882
diff changeset
655 }
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
656 UNLESS (self = PyObject_New(Iobject, &Itype)) return NULL;
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
657 Py_INCREF(s);
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
658 self->buf=buf;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
659 self->string_size=size;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
660 self->pbuf=s;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
661 self->pos=0;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
662
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
663 return (PyObject*)self;
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
664 }
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
665
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
666 /* End of code for StringI objects */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
667 /* -------------------------------------------------------- */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
668
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
669
23832
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
670 PyDoc_STRVAR(IO_StringIO__doc__,
ed1ba37a46b7 Patch #568124: Add doc string macros.
Martin v. Löwis <martin@v.loewis.de>
parents: 23301
diff changeset
671 "StringIO([s]) -- Return a StringIO-like stream for reading or writing");
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
672
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
673 static PyObject *
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
674 IO_StringIO(PyObject *self, PyObject *args) {
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
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675 PyObject *s=0;
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
676
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
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677 if (!PyArg_ParseTuple(args, "|O:StringIO", &s)) return NULL;
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
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678
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
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679 if (s) return newIobject(s);
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
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680 return newOobject(128);
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
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681 }
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
682
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
683 /* List of methods defined in the module */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
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684
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
685 static struct PyMethodDef IO_methods[] = {
13817
3c0f75a2198f Use METH_VARARGS instead of numeric constant 1 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13690
diff changeset
686 {"StringIO", (PyCFunction)IO_StringIO,
3c0f75a2198f Use METH_VARARGS instead of numeric constant 1 in method def. tables
Andrew M. Kuchling <amk@amk.ca>
parents: 13690
diff changeset
687 METH_VARARGS, IO_StringIO__doc__},
4906
fce781b127b9 Jim's latest version.
Guido van Rossum <guido@python.org>
parents: 4598
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688 {NULL, NULL} /* sentinel */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
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689 };
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
690
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
691
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
692 /* Initialization function for the module (*must* be called initcStringIO) */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
693
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
694 static struct PycStringIO_CAPI CAPI = {
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
695 IO_cread,
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
696 IO_creadline,
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
697 O_cwrite,
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
698 IO_cgetval,
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
699 newOobject,
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
700 newIobject,
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
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701 &Itype,
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
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702 &Otype,
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
703 };
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
704
24471
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/*. Required adding a prototype
Mark Hammond <mhammond@skippinet.com.au>
parents: 23832
diff changeset
705 #ifndef PyMODINIT_FUNC /* declarations for DLL import/export */
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/*. Required adding a prototype
Mark Hammond <mhammond@skippinet.com.au>
parents: 23832
diff changeset
706 #define PyMODINIT_FUNC void
9642
08379c7f5fa9 Jim Fulton writes:
Guido van Rossum <guido@python.org>
parents: 9588
diff changeset
707 #endif
24471
f66b3a3509c7 Excise DL_EXPORT/DL_IMPORT from Modules/*. Required adding a prototype
Mark Hammond <mhammond@skippinet.com.au>
parents: 23832
diff changeset
708 PyMODINIT_FUNC
13690
c09c0171474f ANSIfy some more forward declarations.
Thomas Wouters <thomas@python.org>
parents: 13620
diff changeset
709 initcStringIO(void) {
6227
613f976a57b4 #Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents: 6215
diff changeset
710 PyObject *m, *d, *v;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
711
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
712
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
713 /* Create the module and add the functions */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
714 m = Py_InitModule4("cStringIO", IO_methods,
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
715 cStringIO_module_documentation,
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
716 (PyObject*)NULL,PYTHON_API_VERSION);
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
717
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
718 /* Add some symbolic constants to the module */
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
719 d = PyModule_GetDict(m);
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
720
4906
fce781b127b9 Jim's latest version.
Guido van Rossum <guido@python.org>
parents: 4598
diff changeset
721 /* Export C API */
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
722 Itype.ob_type=&PyType_Type;
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
723 Otype.ob_type=&PyType_Type;
6227
613f976a57b4 #Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents: 6215
diff changeset
724 PyDict_SetItemString(d,"cStringIO_CAPI",
613f976a57b4 #Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents: 6215
diff changeset
725 v = PyCObject_FromVoidPtr(&CAPI,NULL));
613f976a57b4 #Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents: 6215
diff changeset
726 Py_XDECREF(v);
5280
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
727
e8f8cf358054 Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents: 4957
diff changeset
728 /* Export Types */
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
729 PyDict_SetItemString(d,"InputType", (PyObject*)&Itype);
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
730 PyDict_SetItemString(d,"OutputType", (PyObject*)&Otype);
5991
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
731
a5737dd96979 cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents: 5315
diff changeset
732 /* Maybe make certain warnings go away */
15059
acb88607b4bd Added a new "base" type, IOobject for which most of the
Jim Fulton <jim@zope.com>
parents: 14679
diff changeset
733 if (0) PycString_IMPORT;
4598
8fdb0539cfb1 Jim F's brainchild
Guido van Rossum <guido@python.org>
parents:
diff changeset
734 }