Mercurial > cpython-lru_cache-weakref
annotate Modules/cStringIO.c @ 10482:75683fd39e91 legacy-trunk
Test suite for UserList.
| author | Guido van Rossum <guido@python.org> |
|---|---|
| date | Fri, 26 Mar 1999 16:20:45 +0000 |
| parents | a63c9c3e9ecc |
| children | 63b530c030c5 |
| rev | line source |
|---|---|
| 4598 | 1 /* |
| 9642 | 2 * $Id$ |
|
9521
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
3 * |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
4 * Copyright (c) 1996-1998, Digital Creations, Fredericksburg, VA, USA. |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
5 * All rights reserved. |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
6 * |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
7 * Redistribution and use in source and binary forms, with or without |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
8 * modification, are permitted provided that the following conditions are |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
9 * met: |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
10 * |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
11 * o Redistributions of source code must retain the above copyright |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
12 * notice, this list of conditions, and the disclaimer that follows. |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
13 * |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
14 * o Redistributions in binary form must reproduce the above copyright |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
15 * notice, this list of conditions, and the following disclaimer in |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
16 * the documentation and/or other materials provided with the |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
17 * distribution. |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
18 * |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
19 * o All advertising materials mentioning features or use of this |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
20 * software must display the following acknowledgement: |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
21 * |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
22 * This product includes software developed by Digital Creations |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
23 * and its contributors. |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
24 * |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
25 * o Neither the name of Digital Creations nor the names of its |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
26 * contributors may be used to endorse or promote products derived |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
27 * from this software without specific prior written permission. |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
28 * |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
29 * |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
30 * THIS SOFTWARE IS PROVIDED BY DIGITAL CREATIONS AND CONTRIBUTORS *AS |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
31 * IS* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
32 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
33 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DIGITAL |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
34 * CREATIONS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
35 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
36 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
37 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
38 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
39 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
40 * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
41 * DAMAGE. |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
42 * |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
43 # |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
44 # If you have questions regarding this software, contact: |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
45 # |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
46 # Digital Creations, L.C. |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
47 # 910 Princess Ann Street |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
48 # Fredericksburge, Virginia 22401 |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
49 # |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
50 # info@digicool.com |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
51 # |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
52 # (540) 371-6909 |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
53 */ |
| 4598 | 54 static char cStringIO_module_documentation[] = |
| 55 "A simple fast partial StringIO replacement.\n" | |
| 56 "\n" | |
| 57 "This module provides a simple useful replacement for\n" | |
| 58 "the StringIO module that is written in C. It does not provide the\n" | |
| 59 "full generality if StringIO, but it provides anough for most\n" | |
| 60 "applications and is especially useful in conjuction with the\n" | |
| 61 "pickle module.\n" | |
| 62 "\n" | |
| 63 "Usage:\n" | |
| 64 "\n" | |
| 65 " from cStringIO import StringIO\n" | |
| 66 "\n" | |
| 67 " an_output_stream=StringIO()\n" | |
| 68 " an_output_stream.write(some_stuff)\n" | |
| 69 " ...\n" | |
| 70 " value=an_output_stream.getvalue() # str(an_output_stream) works too!\n" | |
| 71 "\n" | |
| 72 " an_input_stream=StringIO(a_string)\n" | |
| 73 " spam=an_input_stream.readline()\n" | |
| 74 " spam=an_input_stream.read(5)\n" | |
|
9521
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
75 " an_input_stream.seek(0) # OK, start over\n" |
| 4598 | 76 " spam=an_input_stream.read() # and read it all\n" |
| 77 " \n" | |
| 78 "If someone else wants to provide a more complete implementation,\n" | |
| 79 "go for it. :-) \n" | |
|
5991
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
80 "\n" |
| 9642 | 81 "$Id$\n" |
| 4598 | 82 ; |
| 83 | |
| 84 #include "Python.h" | |
| 85 #include "import.h" | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
86 #include "cStringIO.h" |
| 4598 | 87 |
| 88 #define UNLESS(E) if(!(E)) | |
| 89 | |
| 90 /* Declarations for objects of type StringO */ | |
| 91 | |
| 92 typedef struct { | |
| 93 PyObject_HEAD | |
| 94 char *buf; | |
| 9642 | 95 int pos, string_size, buf_size, softspace; |
| 4598 | 96 } Oobject; |
| 97 | |
| 98 /* Declarations for objects of type StringI */ | |
| 99 | |
| 100 typedef struct { | |
| 101 PyObject_HEAD | |
| 102 char *buf; | |
| 9642 | 103 int pos, string_size; |
| 4598 | 104 PyObject *pbuf; |
| 105 } Iobject; | |
| 106 | |
| 107 static char O_reset__doc__[] = | |
| 108 "reset() -- Reset the file position to the beginning" | |
| 109 ; | |
| 110 | |
| 111 static PyObject * | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
112 O_reset(Oobject *self, PyObject *args) { |
| 4598 | 113 self->pos = 0; |
| 114 | |
| 115 Py_INCREF(Py_None); | |
| 116 return Py_None; | |
| 117 } | |
| 118 | |
| 119 | |
| 120 static char O_tell__doc__[] = | |
| 121 "tell() -- get the current position."; | |
| 122 | |
| 123 static PyObject * | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
124 O_tell(Oobject *self, PyObject *args) { |
| 4598 | 125 return PyInt_FromLong(self->pos); |
| 126 } | |
| 127 | |
| 128 | |
| 129 static char O_seek__doc__[] = | |
| 130 "seek(position) -- set the current position\n" | |
| 131 "seek(position, mode) -- mode 0: absolute; 1: relative; 2: relative to EOF"; | |
| 132 | |
| 133 static PyObject * | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
134 O_seek(Oobject *self, PyObject *args) { |
| 4598 | 135 int position, mode = 0; |
| 136 | |
|
6740
1853b5bc0548
New versions of cPickle and cStringIO, from Jim Fulton's cPickle 1.0b1
Guido van Rossum <guido@python.org>
parents:
6227
diff
changeset
|
137 UNLESS(PyArg_ParseTuple(args, "i|i", &position, &mode)) { |
| 4598 | 138 return NULL; |
| 139 } | |
| 140 | |
|
6740
1853b5bc0548
New versions of cPickle and cStringIO, from Jim Fulton's cPickle 1.0b1
Guido van Rossum <guido@python.org>
parents:
6227
diff
changeset
|
141 if (mode == 2) { |
| 4598 | 142 position += self->string_size; |
| 143 } | |
|
6740
1853b5bc0548
New versions of cPickle and cStringIO, from Jim Fulton's cPickle 1.0b1
Guido van Rossum <guido@python.org>
parents:
6227
diff
changeset
|
144 else if (mode == 1) { |
| 4598 | 145 position += self->pos; |
| 146 } | |
| 147 | |
|
9521
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
148 if (position > self->buf_size) { |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
149 self->buf_size*=2; |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
150 if(self->buf_size <= position) self->buf_size=position+1; |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
151 UNLESS(self->buf=(char*)realloc(self->buf,self->buf_size*sizeof(char))) { |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
152 self->buf_size=self->pos=0; |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
153 return PyErr_NoMemory(); |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
154 } |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
155 } |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
156 else if(position < 0) position=0; |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
157 |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
158 self->pos=position; |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
159 |
|
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
160 while(--position >= self->string_size) self->buf[position]=0; |
| 4598 | 161 |
| 4906 | 162 Py_INCREF(Py_None); |
| 163 return Py_None; | |
| 4598 | 164 } |
| 165 | |
| 166 static char O_read__doc__[] = | |
| 167 "read([s]) -- Read s characters, or the rest of the string" | |
| 168 ; | |
| 169 | |
| 170 static int | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
171 O_cread(PyObject *self, char **output, int n) { |
| 4598 | 172 int l; |
| 173 | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
174 l = ((Oobject*)self)->string_size - ((Oobject*)self)->pos; |
|
6740
1853b5bc0548
New versions of cPickle and cStringIO, from Jim Fulton's cPickle 1.0b1
Guido van Rossum <guido@python.org>
parents:
6227
diff
changeset
|
175 if (n < 0 || n > l) { |
| 4598 | 176 n = l; |
| 9642 | 177 if (n < 0) n=0; |
| 4598 | 178 } |
| 179 | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
180 *output=((Oobject*)self)->buf + ((Oobject*)self)->pos; |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
181 ((Oobject*)self)->pos += n; |
| 4598 | 182 return n; |
| 183 } | |
| 184 | |
| 185 static PyObject * | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
186 O_read(Oobject *self, PyObject *args) { |
| 4598 | 187 int n = -1; |
| 188 char *output; | |
| 189 | |
| 190 UNLESS(PyArg_ParseTuple(args, "|i", &n)) return NULL; | |
| 191 | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
192 n=O_cread((PyObject*)self,&output,n); |
| 4598 | 193 |
| 194 return PyString_FromStringAndSize(output, n); | |
| 195 } | |
| 196 | |
| 197 | |
| 198 static char O_readline__doc__[] = | |
| 199 "readline() -- Read one line" | |
| 200 ; | |
| 201 | |
| 202 static int | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
203 O_creadline(PyObject *self, char **output) { |
| 4598 | 204 char *n, *s; |
| 205 int l; | |
| 206 | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
207 for (n = ((Oobject*)self)->buf + ((Oobject*)self)->pos, |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
208 s = ((Oobject*)self)->buf + ((Oobject*)self)->string_size; |
| 4598 | 209 n < s && *n != '\n'; n++); |
| 210 if (n < s) n++; | |
| 211 | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
212 *output=((Oobject*)self)->buf + ((Oobject*)self)->pos; |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
213 l = n - ((Oobject*)self)->buf - ((Oobject*)self)->pos; |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
214 ((Oobject*)self)->pos += l; |
| 4598 | 215 return l; |
| 216 } | |
| 217 | |
| 218 static PyObject * | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
219 O_readline(Oobject *self, PyObject *args) { |
| 4598 | 220 int n; |
| 221 char *output; | |
| 222 | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
223 n=O_creadline((PyObject*)self,&output); |
| 4598 | 224 return PyString_FromStringAndSize(output, n); |
| 225 } | |
| 226 | |
| 227 static char O_write__doc__[] = | |
| 228 "write(s) -- Write a string to the file" | |
| 229 "\n\nNote (hack:) writing None resets the buffer" | |
| 230 ; | |
| 231 | |
| 232 | |
| 233 static int | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
234 O_cwrite(PyObject *self, char *c, int l) { |
|
4957
9d58d0e9877e
Quieted gcc -Wall by removing unused local variables.
Barry Warsaw <barry@python.org>
parents:
4906
diff
changeset
|
235 int newl; |
| 4906 | 236 |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
237 newl=((Oobject*)self)->pos+l; |
|
6740
1853b5bc0548
New versions of cPickle and cStringIO, from Jim Fulton's cPickle 1.0b1
Guido van Rossum <guido@python.org>
parents:
6227
diff
changeset
|
238 if(newl >= ((Oobject*)self)->buf_size) { |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
239 ((Oobject*)self)->buf_size*=2; |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
240 if(((Oobject*)self)->buf_size <= newl) ((Oobject*)self)->buf_size=newl+1; |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
241 UNLESS(((Oobject*)self)->buf= |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
242 (char*)realloc(((Oobject*)self)->buf, |
|
6740
1853b5bc0548
New versions of cPickle and cStringIO, from Jim Fulton's cPickle 1.0b1
Guido van Rossum <guido@python.org>
parents:
6227
diff
changeset
|
243 (((Oobject*)self)->buf_size) *sizeof(char))) { |
| 4598 | 244 PyErr_SetString(PyExc_MemoryError,"out of memory"); |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
245 ((Oobject*)self)->buf_size=((Oobject*)self)->pos=0; |
| 4598 | 246 return -1; |
| 247 } | |
| 248 } | |
| 249 | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
250 memcpy(((Oobject*)((Oobject*)self))->buf+((Oobject*)self)->pos,c,l); |
| 4598 | 251 |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
252 ((Oobject*)self)->pos += l; |
| 4598 | 253 |
|
6740
1853b5bc0548
New versions of cPickle and cStringIO, from Jim Fulton's cPickle 1.0b1
Guido van Rossum <guido@python.org>
parents:
6227
diff
changeset
|
254 if (((Oobject*)self)->string_size < ((Oobject*)self)->pos) { |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
255 ((Oobject*)self)->string_size = ((Oobject*)self)->pos; |
| 4598 | 256 } |
| 257 | |
| 258 return l; | |
| 259 } | |
| 260 | |
| 261 static PyObject * | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
262 O_write(Oobject *self, PyObject *args) { |
| 4598 | 263 PyObject *s; |
|
4957
9d58d0e9877e
Quieted gcc -Wall by removing unused local variables.
Barry Warsaw <barry@python.org>
parents:
4906
diff
changeset
|
264 char *c; |
|
9d58d0e9877e
Quieted gcc -Wall by removing unused local variables.
Barry Warsaw <barry@python.org>
parents:
4906
diff
changeset
|
265 int l; |
| 4598 | 266 |
| 9642 | 267 UNLESS(PyArg_ParseTuple(args, "O", &s)) return NULL; |
| 4906 | 268 UNLESS(-1 != (l=PyString_Size(s))) return NULL; |
| 269 UNLESS(c=PyString_AsString(s)) return NULL; | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
270 UNLESS(-1 != O_cwrite((PyObject*)self,c,l)) return NULL; |
| 4598 | 271 |
| 4906 | 272 Py_INCREF(Py_None); |
| 273 return Py_None; | |
| 4598 | 274 } |
| 275 | |
| 9642 | 276 static char O_getval__doc__[] = |
| 277 "getvalue([use_pos]) -- Get the string value." | |
| 278 "\n" | |
| 279 "If use_pos is specified and is a true value, then the string returned\n" | |
| 280 "will include only the text up to the current file position.\n" | |
| 281 ; | |
| 282 | |
| 4598 | 283 static PyObject * |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
284 O_getval(Oobject *self, PyObject *args) { |
| 9642 | 285 PyObject *use_pos=Py_None; |
|
5991
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
286 int s; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
287 |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
288 use_pos=Py_None; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
289 UNLESS(PyArg_ParseTuple(args,"|O",&use_pos)) return NULL; |
| 9642 | 290 if(PyObject_IsTrue(use_pos)) { |
| 291 s=self->pos; | |
| 292 if (s > self->string_size) s=self->string_size; | |
| 293 } | |
| 294 else | |
| 295 s=self->string_size; | |
|
5991
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
296 return PyString_FromStringAndSize(self->buf, s); |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
297 } |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
298 |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
299 static PyObject * |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
300 O_cgetval(PyObject *self) { |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
301 return PyString_FromStringAndSize(((Oobject*)self)->buf, |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
302 ((Oobject*)self)->pos); |
| 4598 | 303 } |
| 304 | |
| 305 static char O_truncate__doc__[] = | |
| 306 "truncate(): truncate the file at the current position."; | |
| 307 | |
| 308 static PyObject * | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
309 O_truncate(Oobject *self, PyObject *args) { |
| 9642 | 310 if (self->string_size > self->pos) |
| 311 self->string_size = self->pos; | |
| 4598 | 312 Py_INCREF(Py_None); |
| 313 return Py_None; | |
| 314 } | |
| 315 | |
| 316 static char O_isatty__doc__[] = "isatty(): always returns 0"; | |
| 317 | |
| 318 static PyObject * | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
319 O_isatty(Oobject *self, PyObject *args) { |
| 4598 | 320 return PyInt_FromLong(0); |
| 321 } | |
| 322 | |
| 323 static char O_close__doc__[] = "close(): explicitly release resources held."; | |
| 324 | |
| 325 static PyObject * | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
326 O_close(Oobject *self, PyObject *args) { |
|
6215
eb7a01b86f93
Fix the bug Jeremy was experiencing: both the close() and the
Guido van Rossum <guido@python.org>
parents:
5991
diff
changeset
|
327 if (self->buf != NULL) |
|
eb7a01b86f93
Fix the bug Jeremy was experiencing: both the close() and the
Guido van Rossum <guido@python.org>
parents:
5991
diff
changeset
|
328 free(self->buf); |
|
eb7a01b86f93
Fix the bug Jeremy was experiencing: both the close() and the
Guido van Rossum <guido@python.org>
parents:
5991
diff
changeset
|
329 self->buf = NULL; |
| 4598 | 330 |
| 331 self->pos = self->string_size = self->buf_size = 0; | |
| 332 | |
| 333 Py_INCREF(Py_None); | |
| 334 return Py_None; | |
| 335 } | |
| 336 | |
| 337 static char O_flush__doc__[] = "flush(): does nothing."; | |
| 338 | |
| 339 static PyObject * | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
340 O_flush(Oobject *self, PyObject *args) { |
| 4598 | 341 Py_INCREF(Py_None); |
| 342 return Py_None; | |
| 343 } | |
| 344 | |
| 345 | |
|
10119
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
346 static char O_writelines__doc__[] = |
|
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
347 "writelines(sequence_of_strings): write each string"; |
| 4598 | 348 static PyObject * |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
349 O_writelines(Oobject *self, PyObject *args) { |
| 4598 | 350 PyObject *string_module = 0; |
| 351 static PyObject *string_joinfields = 0; | |
| 352 | |
|
10119
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
353 UNLESS(PyArg_ParseTuple(args, "O", &args)) { |
| 4598 | 354 return NULL; |
| 355 } | |
| 356 | |
|
6740
1853b5bc0548
New versions of cPickle and cStringIO, from Jim Fulton's cPickle 1.0b1
Guido van Rossum <guido@python.org>
parents:
6227
diff
changeset
|
357 if (!string_joinfields) { |
|
1853b5bc0548
New versions of cPickle and cStringIO, from Jim Fulton's cPickle 1.0b1
Guido van Rossum <guido@python.org>
parents:
6227
diff
changeset
|
358 UNLESS(string_module = PyImport_ImportModule("string")) { |
| 4598 | 359 return NULL; |
| 360 } | |
| 361 | |
| 362 UNLESS(string_joinfields= | |
|
6740
1853b5bc0548
New versions of cPickle and cStringIO, from Jim Fulton's cPickle 1.0b1
Guido van Rossum <guido@python.org>
parents:
6227
diff
changeset
|
363 PyObject_GetAttrString(string_module, "joinfields")) { |
| 4598 | 364 return NULL; |
| 365 } | |
| 366 | |
| 367 Py_DECREF(string_module); | |
| 368 } | |
| 369 | |
|
6740
1853b5bc0548
New versions of cPickle and cStringIO, from Jim Fulton's cPickle 1.0b1
Guido van Rossum <guido@python.org>
parents:
6227
diff
changeset
|
370 if (PyObject_Length(args) == -1) { |
| 4598 | 371 return NULL; |
| 372 } | |
| 373 | |
|
10119
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
374 { |
|
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
375 PyObject *x = PyObject_CallFunction(string_joinfields, |
|
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
376 "Os", args, ""); |
|
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
377 if (x == NULL) |
|
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
378 return NULL; |
|
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
379 args = Py_BuildValue("(O)", x); |
|
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
380 Py_DECREF(x); |
|
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
381 if (args == NULL) |
|
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
382 return NULL; |
|
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
383 x = O_write(self, args); |
|
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
384 Py_DECREF(args); |
|
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
385 return x; |
|
a63c9c3e9ecc
The writelines() function was never tested and contained numerous bugs
Guido van Rossum <guido@python.org>
parents:
9642
diff
changeset
|
386 } |
| 4598 | 387 } |
| 388 | |
| 389 static struct PyMethodDef O_methods[] = { | |
| 9642 | 390 {"write", (PyCFunction)O_write, METH_VARARGS, O_write__doc__}, |
| 391 {"read", (PyCFunction)O_read, METH_VARARGS, O_read__doc__}, | |
| 392 {"readline", (PyCFunction)O_readline, METH_VARARGS, O_readline__doc__}, | |
| 393 {"reset", (PyCFunction)O_reset, METH_VARARGS, O_reset__doc__}, | |
| 394 {"seek", (PyCFunction)O_seek, METH_VARARGS, O_seek__doc__}, | |
| 395 {"tell", (PyCFunction)O_tell, METH_VARARGS, O_tell__doc__}, | |
| 396 {"getvalue", (PyCFunction)O_getval, METH_VARARGS, O_getval__doc__}, | |
| 397 {"truncate", (PyCFunction)O_truncate, METH_VARARGS, O_truncate__doc__}, | |
| 398 {"isatty", (PyCFunction)O_isatty, METH_VARARGS, O_isatty__doc__}, | |
| 399 {"close", (PyCFunction)O_close, METH_VARARGS, O_close__doc__}, | |
| 400 {"flush", (PyCFunction)O_flush, METH_VARARGS, O_flush__doc__}, | |
| 401 {"writelines", (PyCFunction)O_writelines, METH_VARARGS, O_writelines__doc__}, | |
| 402 {NULL, NULL} /* sentinel */ | |
| 4598 | 403 }; |
| 404 | |
| 405 | |
| 406 static void | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
407 O_dealloc(Oobject *self) { |
|
6215
eb7a01b86f93
Fix the bug Jeremy was experiencing: both the close() and the
Guido van Rossum <guido@python.org>
parents:
5991
diff
changeset
|
408 if (self->buf != NULL) |
|
eb7a01b86f93
Fix the bug Jeremy was experiencing: both the close() and the
Guido van Rossum <guido@python.org>
parents:
5991
diff
changeset
|
409 free(self->buf); |
| 4598 | 410 PyMem_DEL(self); |
| 411 } | |
| 412 | |
| 413 static PyObject * | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
414 O_getattr(Oobject *self, char *name) { |
|
9521
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
415 if (strcmp(name, "softspace") == 0) { |
|
5315
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
416 return PyInt_FromLong(self->softspace); |
|
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
417 } |
| 4598 | 418 return Py_FindMethod(O_methods, (PyObject *)self, name); |
| 419 } | |
| 420 | |
|
5315
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
421 static int |
|
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
422 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
|
423 long x; |
|
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
424 if (strcmp(name, "softspace") != 0) { |
|
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
425 PyErr_SetString(PyExc_AttributeError, name); |
|
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
426 return -1; |
|
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
427 } |
|
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
428 x = PyInt_AsLong(value); |
|
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
429 if (x == -1 && PyErr_Occurred()) |
|
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
430 return -1; |
|
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
431 self->softspace = x; |
|
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
432 return 0; |
|
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
433 } |
|
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
434 |
| 4598 | 435 static char Otype__doc__[] = |
| 436 "Simple type for output to strings." | |
| 437 ; | |
| 438 | |
| 439 static PyTypeObject Otype = { | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
440 PyObject_HEAD_INIT(NULL) |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
441 0, /*ob_size*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
442 "StringO", /*tp_name*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
443 sizeof(Oobject), /*tp_basicsize*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
444 0, /*tp_itemsize*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
445 /* methods */ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
446 (destructor)O_dealloc, /*tp_dealloc*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
447 (printfunc)0, /*tp_print*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
448 (getattrfunc)O_getattr, /*tp_getattr*/ |
|
5315
65c9e90d8142
My own patch: support writable 'softspace' attribute.
Guido van Rossum <guido@python.org>
parents:
5280
diff
changeset
|
449 (setattrfunc)O_setattr, /*tp_setattr*/ |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
450 (cmpfunc)0, /*tp_compare*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
451 (reprfunc)0, /*tp_repr*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
452 0, /*tp_as_number*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
453 0, /*tp_as_sequence*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
454 0, /*tp_as_mapping*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
455 (hashfunc)0, /*tp_hash*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
456 (ternaryfunc)0, /*tp_call*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
457 (reprfunc)0, /*tp_str*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
458 |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
459 /* Space for future expansion */ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
460 0L,0L,0L,0L, |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
461 Otype__doc__ /* Documentation string */ |
| 4598 | 462 }; |
| 463 | |
|
5991
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
464 static PyObject * |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
465 newOobject(int size) { |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
466 Oobject *self; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
467 |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
468 self = PyObject_NEW(Oobject, &Otype); |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
469 if (self == NULL) |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
470 return NULL; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
471 self->pos=0; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
472 self->string_size = 0; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
473 self->softspace = 0; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
474 |
|
6740
1853b5bc0548
New versions of cPickle and cStringIO, from Jim Fulton's cPickle 1.0b1
Guido van Rossum <guido@python.org>
parents:
6227
diff
changeset
|
475 UNLESS(self->buf=malloc(size*sizeof(char))) { |
|
5991
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
476 PyErr_SetString(PyExc_MemoryError,"out of memory"); |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
477 self->buf_size = 0; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
478 return NULL; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
479 } |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
480 |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
481 self->buf_size=size; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
482 return (PyObject*)self; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
483 } |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
484 |
| 4598 | 485 /* End of code for StringO objects */ |
| 486 /* -------------------------------------------------------- */ | |
| 487 | |
| 488 static PyObject * | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
489 I_close(Iobject *self, PyObject *args) { |
|
6215
eb7a01b86f93
Fix the bug Jeremy was experiencing: both the close() and the
Guido van Rossum <guido@python.org>
parents:
5991
diff
changeset
|
490 Py_XDECREF(self->pbuf); |
|
eb7a01b86f93
Fix the bug Jeremy was experiencing: both the close() and the
Guido van Rossum <guido@python.org>
parents:
5991
diff
changeset
|
491 self->pbuf = NULL; |
| 4598 | 492 |
| 493 self->pos = self->string_size = 0; | |
| 9642 | 494 |
| 495 Py_INCREF(Py_None); | |
| 496 return Py_None; | |
| 497 } | |
| 498 | |
| 499 static PyObject * | |
| 500 I_seek(Oobject *self, PyObject *args) { | |
| 501 int position, mode = 0; | |
| 502 | |
| 503 UNLESS(PyArg_ParseTuple(args, "i|i", &position, &mode)) { | |
| 504 return NULL; | |
| 505 } | |
| 506 | |
| 507 if (mode == 2) { | |
| 508 position += self->string_size; | |
| 509 } | |
| 510 else if (mode == 1) { | |
| 511 position += self->pos; | |
| 512 } | |
| 513 | |
| 514 if(position < 0) position=0; | |
| 515 | |
| 516 self->pos=position; | |
| 4598 | 517 |
| 518 Py_INCREF(Py_None); | |
| 519 return Py_None; | |
| 520 } | |
| 521 | |
| 522 static struct PyMethodDef I_methods[] = { | |
| 9642 | 523 {"read", (PyCFunction)O_read, METH_VARARGS, O_read__doc__}, |
| 524 {"readline", (PyCFunction)O_readline, METH_VARARGS, O_readline__doc__}, | |
| 525 {"reset", (PyCFunction)O_reset, METH_VARARGS, O_reset__doc__}, | |
| 526 {"seek", (PyCFunction)I_seek, METH_VARARGS, O_seek__doc__}, | |
| 527 {"tell", (PyCFunction)O_tell, METH_VARARGS, O_tell__doc__}, | |
| 528 {"getvalue", (PyCFunction)O_getval, METH_VARARGS, O_getval__doc__}, | |
| 529 {"truncate", (PyCFunction)O_truncate, METH_VARARGS, O_truncate__doc__}, | |
| 530 {"isatty", (PyCFunction)O_isatty, METH_VARARGS, O_isatty__doc__}, | |
| 531 {"close", (PyCFunction)I_close, METH_VARARGS, O_close__doc__}, | |
| 532 {"flush", (PyCFunction)O_flush, METH_VARARGS, O_flush__doc__}, | |
| 533 {NULL, NULL} | |
| 4598 | 534 }; |
| 535 | |
| 536 static void | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
537 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
|
538 Py_XDECREF(self->pbuf); |
| 4598 | 539 PyMem_DEL(self); |
| 540 } | |
| 541 | |
| 542 static PyObject * | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
543 I_getattr(Iobject *self, char *name) { |
| 4598 | 544 return Py_FindMethod(I_methods, (PyObject *)self, name); |
| 545 } | |
| 546 | |
| 547 static char Itype__doc__[] = | |
| 548 "Simple type for treating strings as input file streams" | |
| 549 ; | |
| 550 | |
| 551 static PyTypeObject Itype = { | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
552 PyObject_HEAD_INIT(NULL) |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
553 0, /*ob_size*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
554 "StringI", /*tp_name*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
555 sizeof(Iobject), /*tp_basicsize*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
556 0, /*tp_itemsize*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
557 /* methods */ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
558 (destructor)I_dealloc, /*tp_dealloc*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
559 (printfunc)0, /*tp_print*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
560 (getattrfunc)I_getattr, /*tp_getattr*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
561 (setattrfunc)0, /*tp_setattr*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
562 (cmpfunc)0, /*tp_compare*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
563 (reprfunc)0, /*tp_repr*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
564 0, /*tp_as_number*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
565 0, /*tp_as_sequence*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
566 0, /*tp_as_mapping*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
567 (hashfunc)0, /*tp_hash*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
568 (ternaryfunc)0, /*tp_call*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
569 (reprfunc)0, /*tp_str*/ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
570 |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
571 /* Space for future expansion */ |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
572 0L,0L,0L,0L, |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
573 Itype__doc__ /* Documentation string */ |
| 4598 | 574 }; |
| 575 | |
|
5991
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
576 static PyObject * |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
577 newIobject(PyObject *s) { |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
578 Iobject *self; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
579 char *buf; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
580 int size; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
581 |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
582 UNLESS(buf=PyString_AsString(s)) return NULL; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
583 UNLESS(-1 != (size=PyString_Size(s))) return NULL; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
584 UNLESS(self = PyObject_NEW(Iobject, &Itype)) return NULL; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
585 Py_INCREF(s); |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
586 self->buf=buf; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
587 self->string_size=size; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
588 self->pbuf=s; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
589 self->pos=0; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
590 |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
591 return (PyObject*)self; |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
592 } |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
593 |
| 4598 | 594 /* End of code for StringI objects */ |
| 595 /* -------------------------------------------------------- */ | |
| 596 | |
| 597 | |
| 598 static char IO_StringIO__doc__[] = | |
| 599 "StringIO([s]) -- Return a StringIO-like stream for reading or writing" | |
| 600 ; | |
| 601 | |
| 602 static PyObject * | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
603 IO_StringIO(PyObject *self, PyObject *args) { |
| 4598 | 604 PyObject *s=0; |
| 605 | |
|
9521
0f27257fb6cf
New version from Jim Fulton:
Guido van Rossum <guido@python.org>
parents:
8741
diff
changeset
|
606 UNLESS(PyArg_ParseTuple(args, "|O", &s)) return NULL; |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
607 if(s) return newIobject(s); |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
608 return newOobject(128); |
| 4598 | 609 } |
| 610 | |
| 611 /* List of methods defined in the module */ | |
| 612 | |
| 613 static struct PyMethodDef IO_methods[] = { | |
| 4906 | 614 {"StringIO", (PyCFunction)IO_StringIO, 1, IO_StringIO__doc__}, |
| 615 {NULL, NULL} /* sentinel */ | |
| 4598 | 616 }; |
| 617 | |
| 618 | |
| 619 /* Initialization function for the module (*must* be called initcStringIO) */ | |
| 620 | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
621 static struct PycStringIO_CAPI CAPI = { |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
622 O_cread, |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
623 O_creadline, |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
624 O_cwrite, |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
625 O_cgetval, |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
626 newOobject, |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
627 newIobject, |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
628 &Itype, |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
629 &Otype, |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
630 }; |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
631 |
| 9642 | 632 #ifndef DL_EXPORT /* declarations for DLL import/export */ |
| 633 #define DL_EXPORT(RTYPE) RTYPE | |
| 634 #endif | |
|
9588
38023a425e48
Add DL_EXPORT() to all modules that could possibly be used
Guido van Rossum <guido@python.org>
parents:
9521
diff
changeset
|
635 DL_EXPORT(void) |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
636 initcStringIO() { |
|
6227
613f976a57b4
#Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents:
6215
diff
changeset
|
637 PyObject *m, *d, *v; |
| 4598 | 638 |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
639 |
| 4598 | 640 /* Create the module and add the functions */ |
| 641 m = Py_InitModule4("cStringIO", IO_methods, | |
| 642 cStringIO_module_documentation, | |
| 643 (PyObject*)NULL,PYTHON_API_VERSION); | |
| 644 | |
| 645 /* Add some symbolic constants to the module */ | |
| 646 d = PyModule_GetDict(m); | |
| 647 | |
| 4906 | 648 /* Export C API */ |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
649 Itype.ob_type=&PyType_Type; |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
650 Otype.ob_type=&PyType_Type; |
|
6227
613f976a57b4
#Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents:
6215
diff
changeset
|
651 PyDict_SetItemString(d,"cStringIO_CAPI", |
|
613f976a57b4
#Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents:
6215
diff
changeset
|
652 v = PyCObject_FromVoidPtr(&CAPI,NULL)); |
|
613f976a57b4
#Plug small memory leaks in constructors.
Guido van Rossum <guido@python.org>
parents:
6215
diff
changeset
|
653 Py_XDECREF(v); |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
654 |
|
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
655 /* Export Types */ |
| 4598 | 656 PyDict_SetItemString(d,"InputType", (PyObject*)&Itype); |
| 657 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
|
658 |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
659 /* Maybe make certain warnings go away */ |
|
a5737dd96979
cPickle release 0.3 from Jim Fulton
Guido van Rossum <guido@python.org>
parents:
5315
diff
changeset
|
660 if(0) PycString_IMPORT; |
| 4598 | 661 |
| 662 /* Check for errors */ | |
|
5280
e8f8cf358054
Unknown changes by Jim Fulton.
Guido van Rossum <guido@python.org>
parents:
4957
diff
changeset
|
663 if (PyErr_Occurred()) Py_FatalError("can't initialize module cStringIO"); |
| 4598 | 664 } |