Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1 | /*********************************************************** |
Guido van Rossum | 524b588 | 1995-01-04 19:10:35 +0000 | [diff] [blame] | 2 | Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, |
| 3 | The Netherlands. |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 4 | |
| 5 | All Rights Reserved |
| 6 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 7 | Permission to use, copy, modify, and distribute this software and its |
| 8 | documentation for any purpose and without fee is hereby granted, |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 9 | provided that the above copyright notice appear in all copies and that |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 10 | both that copyright notice and this permission notice appear in |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 11 | supporting documentation, and that the names of Stichting Mathematisch |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 12 | Centrum or CWI or Corporation for National Research Initiatives or |
| 13 | CNRI not be used in advertising or publicity pertaining to |
| 14 | distribution of the software without specific, written prior |
| 15 | permission. |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 16 | |
Guido van Rossum | d266eb4 | 1996-10-25 14:44:06 +0000 | [diff] [blame] | 17 | While CWI is the initial source for this software, a modified version |
| 18 | is made available by the Corporation for National Research Initiatives |
| 19 | (CNRI) at the Internet address ftp://ftp.python.org. |
| 20 | |
| 21 | STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH |
| 22 | REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF |
| 23 | MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH |
| 24 | CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL |
| 25 | DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| 26 | PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 27 | TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 28 | PERFORMANCE OF THIS SOFTWARE. |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 29 | |
| 30 | ******************************************************************/ |
| 31 | |
| 32 | /* Array object implementation */ |
| 33 | |
| 34 | /* An array is a uniform list -- all items have the same type. |
| 35 | The item type is restricted to simple C types like int or float */ |
| 36 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 37 | #include "Python.h" |
Roger E. Masse | 5817f8f | 1996-12-09 22:24:19 +0000 | [diff] [blame] | 38 | |
Guido van Rossum | 0c70954 | 1994-08-19 12:01:32 +0000 | [diff] [blame] | 39 | #ifdef STDC_HEADERS |
| 40 | #include <stddef.h> |
Guido van Rossum | 7f1de83 | 1999-08-27 20:33:52 +0000 | [diff] [blame] | 41 | #else /* !STDC_HEADERS */ |
| 42 | #ifndef DONT_HAVE_SYS_TYPES_H |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 43 | #include <sys/types.h> /* For size_t */ |
Guido van Rossum | 7f1de83 | 1999-08-27 20:33:52 +0000 | [diff] [blame] | 44 | #endif /* DONT_HAVE_SYS_TYPES_H */ |
| 45 | #endif /* !STDC_HEADERS */ |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 46 | |
| 47 | struct arrayobject; /* Forward */ |
| 48 | |
| 49 | struct arraydescr { |
| 50 | int typecode; |
| 51 | int itemsize; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 52 | PyObject * (*getitem) Py_FPROTO((struct arrayobject *, int)); |
| 53 | int (*setitem) Py_FPROTO((struct arrayobject *, int, PyObject *)); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 54 | }; |
| 55 | |
| 56 | typedef struct arrayobject { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 57 | PyObject_VAR_HEAD |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 58 | char *ob_item; |
| 59 | struct arraydescr *ob_descr; |
| 60 | } arrayobject; |
| 61 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 62 | staticforward PyTypeObject Arraytype; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 63 | |
| 64 | #define is_arrayobject(op) ((op)->ob_type == &Arraytype) |
| 65 | |
Guido van Rossum | b73cc04 | 1993-11-01 16:28:59 +0000 | [diff] [blame] | 66 | /* Forward */ |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 67 | static PyObject *newarrayobject Py_PROTO((int, struct arraydescr *)); |
Guido van Rossum | a376cc5 | 1996-12-05 23:43:35 +0000 | [diff] [blame] | 68 | #if 0 |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 69 | static int getarraysize Py_PROTO((PyObject *)); |
Guido van Rossum | a376cc5 | 1996-12-05 23:43:35 +0000 | [diff] [blame] | 70 | #endif |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 71 | static PyObject *getarrayitem Py_PROTO((PyObject *, int)); |
| 72 | static int setarrayitem Py_PROTO((PyObject *, int, PyObject *)); |
Guido van Rossum | a376cc5 | 1996-12-05 23:43:35 +0000 | [diff] [blame] | 73 | #if 0 |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 74 | static int insarrayitem Py_PROTO((PyObject *, int, PyObject *)); |
| 75 | static int addarrayitem Py_PROTO((PyObject *, PyObject *)); |
Guido van Rossum | a376cc5 | 1996-12-05 23:43:35 +0000 | [diff] [blame] | 76 | #endif |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 77 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 78 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 79 | c_getitem(ap, i) |
| 80 | arrayobject *ap; |
| 81 | int i; |
| 82 | { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 83 | return PyString_FromStringAndSize(&((char *)ap->ob_item)[i], 1); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 84 | } |
| 85 | |
| 86 | static int |
| 87 | c_setitem(ap, i, v) |
| 88 | arrayobject *ap; |
| 89 | int i; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 90 | PyObject *v; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 91 | { |
| 92 | char x; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 93 | if (!PyArg_Parse(v, "c;array item must be char", &x)) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 94 | return -1; |
| 95 | if (i >= 0) |
| 96 | ((char *)ap->ob_item)[i] = x; |
| 97 | return 0; |
| 98 | } |
| 99 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 100 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 101 | b_getitem(ap, i) |
| 102 | arrayobject *ap; |
| 103 | int i; |
| 104 | { |
| 105 | long x = ((char *)ap->ob_item)[i]; |
| 106 | if (x >= 128) |
| 107 | x -= 256; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 108 | return PyInt_FromLong(x); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | static int |
| 112 | b_setitem(ap, i, v) |
| 113 | arrayobject *ap; |
| 114 | int i; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 115 | PyObject *v; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 116 | { |
Fred Drake | 541dc3b | 2000-06-28 17:49:30 +0000 | [diff] [blame] | 117 | short x; |
| 118 | /* PyArg_Parse's 'b' formatter is for an unsigned char, therefore |
| 119 | must use the next size up that is signed ('h') and manually do |
| 120 | the overflow checking */ |
| 121 | if (!PyArg_Parse(v, "h;array item must be integer", &x)) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 122 | return -1; |
Fred Drake | 541dc3b | 2000-06-28 17:49:30 +0000 | [diff] [blame] | 123 | else if (x < CHAR_MIN) { |
| 124 | PyErr_SetString(PyExc_OverflowError, |
| 125 | "signed char is less than minimum"); |
| 126 | return -1; |
| 127 | } |
| 128 | else if (x > CHAR_MAX) { |
| 129 | PyErr_SetString(PyExc_OverflowError, |
| 130 | "signed char is greater than maximum"); |
| 131 | return -1; |
| 132 | } |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 133 | if (i >= 0) |
Fred Drake | 541dc3b | 2000-06-28 17:49:30 +0000 | [diff] [blame] | 134 | ((char *)ap->ob_item)[i] = (char)x; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 135 | return 0; |
| 136 | } |
| 137 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 138 | static PyObject * |
Guido van Rossum | 1a747f8 | 1997-05-16 16:21:38 +0000 | [diff] [blame] | 139 | BB_getitem(ap, i) |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 140 | arrayobject *ap; |
| 141 | int i; |
| 142 | { |
| 143 | long x = ((unsigned char *)ap->ob_item)[i]; |
| 144 | return PyInt_FromLong(x); |
| 145 | } |
| 146 | |
Fred Drake | 541dc3b | 2000-06-28 17:49:30 +0000 | [diff] [blame] | 147 | static int |
| 148 | BB_setitem(ap, i, v) |
| 149 | arrayobject *ap; |
| 150 | int i; |
| 151 | PyObject *v; |
| 152 | { |
| 153 | unsigned char x; |
| 154 | /* 'B' == unsigned char, maps to PyArg_Parse's 'b' formatter */ |
| 155 | if (!PyArg_Parse(v, "b;array item must be integer", &x)) |
| 156 | return -1; |
| 157 | if (i >= 0) |
| 158 | ((char *)ap->ob_item)[i] = x; |
| 159 | return 0; |
| 160 | } |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 161 | |
| 162 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 163 | h_getitem(ap, i) |
| 164 | arrayobject *ap; |
| 165 | int i; |
| 166 | { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 167 | return PyInt_FromLong((long) ((short *)ap->ob_item)[i]); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 168 | } |
| 169 | |
| 170 | static int |
| 171 | h_setitem(ap, i, v) |
| 172 | arrayobject *ap; |
| 173 | int i; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 174 | PyObject *v; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 175 | { |
| 176 | short x; |
Fred Drake | 541dc3b | 2000-06-28 17:49:30 +0000 | [diff] [blame] | 177 | /* 'h' == signed short, maps to PyArg_Parse's 'h' formatter */ |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 178 | if (!PyArg_Parse(v, "h;array item must be integer", &x)) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 179 | return -1; |
| 180 | if (i >= 0) |
| 181 | ((short *)ap->ob_item)[i] = x; |
| 182 | return 0; |
| 183 | } |
| 184 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 185 | static PyObject * |
Guido van Rossum | 1a747f8 | 1997-05-16 16:21:38 +0000 | [diff] [blame] | 186 | HH_getitem(ap, i) |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 187 | arrayobject *ap; |
| 188 | int i; |
| 189 | { |
| 190 | return PyInt_FromLong((long) ((unsigned short *)ap->ob_item)[i]); |
| 191 | } |
| 192 | |
Fred Drake | 541dc3b | 2000-06-28 17:49:30 +0000 | [diff] [blame] | 193 | static int |
| 194 | HH_setitem(ap, i, v) |
| 195 | arrayobject *ap; |
| 196 | int i; |
| 197 | PyObject *v; |
| 198 | { |
| 199 | int x; |
| 200 | /* PyArg_Parse's 'h' formatter is for a signed short, therefore |
| 201 | must use the next size up and manually do the overflow checking */ |
| 202 | if (!PyArg_Parse(v, "i;array item must be integer", &x)) |
| 203 | return -1; |
| 204 | else if (x < 0) { |
| 205 | PyErr_SetString(PyExc_OverflowError, |
| 206 | "unsigned short is less than minimum"); |
| 207 | return -1; |
| 208 | } |
| 209 | else if (x > USHRT_MAX) { |
| 210 | PyErr_SetString(PyExc_OverflowError, |
| 211 | "unsigned short is greater than maximum"); |
| 212 | return -1; |
| 213 | } |
| 214 | if (i >= 0) |
| 215 | ((short *)ap->ob_item)[i] = (short)x; |
| 216 | return 0; |
| 217 | } |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 218 | |
| 219 | static PyObject * |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 220 | i_getitem(ap, i) |
| 221 | arrayobject *ap; |
| 222 | int i; |
| 223 | { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 224 | return PyInt_FromLong((long) ((int *)ap->ob_item)[i]); |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 225 | } |
| 226 | |
| 227 | static int |
| 228 | i_setitem(ap, i, v) |
| 229 | arrayobject *ap; |
| 230 | int i; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 231 | PyObject *v; |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 232 | { |
| 233 | int x; |
Fred Drake | 541dc3b | 2000-06-28 17:49:30 +0000 | [diff] [blame] | 234 | /* 'i' == signed int, maps to PyArg_Parse's 'i' formatter */ |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 235 | if (!PyArg_Parse(v, "i;array item must be integer", &x)) |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 236 | return -1; |
| 237 | if (i >= 0) |
| 238 | ((int *)ap->ob_item)[i] = x; |
| 239 | return 0; |
| 240 | } |
| 241 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 242 | static PyObject * |
Guido van Rossum | 1a747f8 | 1997-05-16 16:21:38 +0000 | [diff] [blame] | 243 | II_getitem(ap, i) |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 244 | arrayobject *ap; |
| 245 | int i; |
| 246 | { |
| 247 | return PyLong_FromUnsignedLong( |
| 248 | (unsigned long) ((unsigned int *)ap->ob_item)[i]); |
| 249 | } |
| 250 | |
| 251 | static int |
Guido van Rossum | 1a747f8 | 1997-05-16 16:21:38 +0000 | [diff] [blame] | 252 | II_setitem(ap, i, v) |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 253 | arrayobject *ap; |
| 254 | int i; |
| 255 | PyObject *v; |
| 256 | { |
| 257 | unsigned long x; |
| 258 | if (PyLong_Check(v)) { |
| 259 | x = PyLong_AsUnsignedLong(v); |
| 260 | if (x == (unsigned long) -1 && PyErr_Occurred()) |
| 261 | return -1; |
| 262 | } |
| 263 | else { |
Fred Drake | 541dc3b | 2000-06-28 17:49:30 +0000 | [diff] [blame] | 264 | long y; |
| 265 | if (!PyArg_Parse(v, "l;array item must be integer", &y)) |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 266 | return -1; |
Fred Drake | 541dc3b | 2000-06-28 17:49:30 +0000 | [diff] [blame] | 267 | if (y < 0) { |
| 268 | PyErr_SetString(PyExc_OverflowError, |
| 269 | "unsigned int is less than minimum"); |
| 270 | return -1; |
| 271 | } |
| 272 | x = (unsigned long)y; |
| 273 | |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 274 | } |
Fred Drake | 541dc3b | 2000-06-28 17:49:30 +0000 | [diff] [blame] | 275 | if (x > UINT_MAX) { |
| 276 | PyErr_SetString(PyExc_OverflowError, |
| 277 | "unsigned int is greater than maximum"); |
| 278 | return -1; |
| 279 | } |
| 280 | |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 281 | if (i >= 0) |
Fred Drake | 541dc3b | 2000-06-28 17:49:30 +0000 | [diff] [blame] | 282 | ((unsigned int *)ap->ob_item)[i] = (unsigned int)x; |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 283 | return 0; |
| 284 | } |
| 285 | |
| 286 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 287 | l_getitem(ap, i) |
| 288 | arrayobject *ap; |
| 289 | int i; |
| 290 | { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 291 | return PyInt_FromLong(((long *)ap->ob_item)[i]); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 292 | } |
| 293 | |
| 294 | static int |
| 295 | l_setitem(ap, i, v) |
| 296 | arrayobject *ap; |
| 297 | int i; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 298 | PyObject *v; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 299 | { |
| 300 | long x; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 301 | if (!PyArg_Parse(v, "l;array item must be integer", &x)) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 302 | return -1; |
| 303 | if (i >= 0) |
| 304 | ((long *)ap->ob_item)[i] = x; |
| 305 | return 0; |
| 306 | } |
| 307 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 308 | static PyObject * |
Guido van Rossum | 1a747f8 | 1997-05-16 16:21:38 +0000 | [diff] [blame] | 309 | LL_getitem(ap, i) |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 310 | arrayobject *ap; |
| 311 | int i; |
| 312 | { |
| 313 | return PyLong_FromUnsignedLong(((unsigned long *)ap->ob_item)[i]); |
| 314 | } |
| 315 | |
| 316 | static int |
Guido van Rossum | 1a747f8 | 1997-05-16 16:21:38 +0000 | [diff] [blame] | 317 | LL_setitem(ap, i, v) |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 318 | arrayobject *ap; |
| 319 | int i; |
| 320 | PyObject *v; |
| 321 | { |
| 322 | unsigned long x; |
| 323 | if (PyLong_Check(v)) { |
| 324 | x = PyLong_AsUnsignedLong(v); |
| 325 | if (x == (unsigned long) -1 && PyErr_Occurred()) |
| 326 | return -1; |
| 327 | } |
| 328 | else { |
Fred Drake | 541dc3b | 2000-06-28 17:49:30 +0000 | [diff] [blame] | 329 | long y; |
| 330 | if (!PyArg_Parse(v, "l;array item must be integer", &y)) |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 331 | return -1; |
Fred Drake | 541dc3b | 2000-06-28 17:49:30 +0000 | [diff] [blame] | 332 | if (y < 0) { |
| 333 | PyErr_SetString(PyExc_OverflowError, |
| 334 | "unsigned long is less than minimum"); |
| 335 | return -1; |
| 336 | } |
| 337 | x = (unsigned long)y; |
| 338 | |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 339 | } |
Fred Drake | 541dc3b | 2000-06-28 17:49:30 +0000 | [diff] [blame] | 340 | if (x > ULONG_MAX) { |
| 341 | PyErr_SetString(PyExc_OverflowError, |
| 342 | "unsigned long is greater than maximum"); |
| 343 | return -1; |
| 344 | } |
| 345 | |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 346 | if (i >= 0) |
| 347 | ((unsigned long *)ap->ob_item)[i] = x; |
| 348 | return 0; |
| 349 | } |
| 350 | |
| 351 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 352 | f_getitem(ap, i) |
| 353 | arrayobject *ap; |
| 354 | int i; |
| 355 | { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 356 | return PyFloat_FromDouble((double) ((float *)ap->ob_item)[i]); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 357 | } |
| 358 | |
| 359 | static int |
| 360 | f_setitem(ap, i, v) |
| 361 | arrayobject *ap; |
| 362 | int i; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 363 | PyObject *v; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 364 | { |
| 365 | float x; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 366 | if (!PyArg_Parse(v, "f;array item must be float", &x)) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 367 | return -1; |
| 368 | if (i >= 0) |
| 369 | ((float *)ap->ob_item)[i] = x; |
| 370 | return 0; |
| 371 | } |
| 372 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 373 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 374 | d_getitem(ap, i) |
| 375 | arrayobject *ap; |
| 376 | int i; |
| 377 | { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 378 | return PyFloat_FromDouble(((double *)ap->ob_item)[i]); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 379 | } |
| 380 | |
| 381 | static int |
| 382 | d_setitem(ap, i, v) |
| 383 | arrayobject *ap; |
| 384 | int i; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 385 | PyObject *v; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 386 | { |
| 387 | double x; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 388 | if (!PyArg_Parse(v, "d;array item must be float", &x)) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 389 | return -1; |
| 390 | if (i >= 0) |
| 391 | ((double *)ap->ob_item)[i] = x; |
| 392 | return 0; |
| 393 | } |
| 394 | |
| 395 | /* Description of types */ |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 396 | static struct arraydescr descriptors[] = { |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 397 | {'c', sizeof(char), c_getitem, c_setitem}, |
| 398 | {'b', sizeof(char), b_getitem, b_setitem}, |
Guido van Rossum | 1a747f8 | 1997-05-16 16:21:38 +0000 | [diff] [blame] | 399 | {'B', sizeof(char), BB_getitem, BB_setitem}, |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 400 | {'h', sizeof(short), h_getitem, h_setitem}, |
Guido van Rossum | 1a747f8 | 1997-05-16 16:21:38 +0000 | [diff] [blame] | 401 | {'H', sizeof(short), HH_getitem, HH_setitem}, |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 402 | {'i', sizeof(int), i_getitem, i_setitem}, |
Guido van Rossum | 1a747f8 | 1997-05-16 16:21:38 +0000 | [diff] [blame] | 403 | {'I', sizeof(int), II_getitem, II_setitem}, |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 404 | {'l', sizeof(long), l_getitem, l_setitem}, |
Guido van Rossum | 1a747f8 | 1997-05-16 16:21:38 +0000 | [diff] [blame] | 405 | {'L', sizeof(long), LL_getitem, LL_setitem}, |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 406 | {'f', sizeof(float), f_getitem, f_setitem}, |
| 407 | {'d', sizeof(double), d_getitem, d_setitem}, |
| 408 | {'\0', 0, 0, 0} /* Sentinel */ |
| 409 | }; |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 410 | /* If we ever allow items larger than double, we must change reverse()! */ |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 411 | |
| 412 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 413 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 414 | newarrayobject(size, descr) |
| 415 | int size; |
| 416 | struct arraydescr *descr; |
| 417 | { |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 418 | arrayobject *op; |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 419 | size_t nbytes; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 420 | if (size < 0) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 421 | PyErr_BadInternalCall(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 422 | return NULL; |
| 423 | } |
| 424 | nbytes = size * descr->itemsize; |
| 425 | /* Check for overflow */ |
Guido van Rossum | 7844e38 | 1997-04-11 20:44:04 +0000 | [diff] [blame] | 426 | if (nbytes / descr->itemsize != (size_t)size) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 427 | return PyErr_NoMemory(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 428 | } |
Guido van Rossum | b18618d | 2000-05-03 23:44:39 +0000 | [diff] [blame] | 429 | op = PyObject_NewVar(arrayobject, &Arraytype, size); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 430 | if (op == NULL) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 431 | return PyErr_NoMemory(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 432 | } |
| 433 | if (size <= 0) { |
| 434 | op->ob_item = NULL; |
| 435 | } |
| 436 | else { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 437 | op->ob_item = PyMem_NEW(char, nbytes); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 438 | if (op->ob_item == NULL) { |
Guido van Rossum | b18618d | 2000-05-03 23:44:39 +0000 | [diff] [blame] | 439 | PyObject_Del(op); |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 440 | return PyErr_NoMemory(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 441 | } |
| 442 | } |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 443 | op->ob_descr = descr; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 444 | return (PyObject *) op; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 445 | } |
| 446 | |
Guido van Rossum | a376cc5 | 1996-12-05 23:43:35 +0000 | [diff] [blame] | 447 | #if 0 |
Guido van Rossum | 62de97f | 1995-01-22 00:48:41 +0000 | [diff] [blame] | 448 | static int |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 449 | getarraysize(op) |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 450 | PyObject *op; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 451 | { |
| 452 | if (!is_arrayobject(op)) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 453 | PyErr_BadInternalCall(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 454 | return -1; |
| 455 | } |
| 456 | return ((arrayobject *)op) -> ob_size; |
| 457 | } |
Guido van Rossum | a376cc5 | 1996-12-05 23:43:35 +0000 | [diff] [blame] | 458 | #endif |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 459 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 460 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 461 | getarrayitem(op, i) |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 462 | PyObject *op; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 463 | int i; |
| 464 | { |
| 465 | register arrayobject *ap; |
| 466 | if (!is_arrayobject(op)) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 467 | PyErr_BadInternalCall(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 468 | return NULL; |
| 469 | } |
| 470 | ap = (arrayobject *)op; |
| 471 | if (i < 0 || i >= ap->ob_size) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 472 | PyErr_SetString(PyExc_IndexError, "array index out of range"); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 473 | return NULL; |
| 474 | } |
| 475 | return (*ap->ob_descr->getitem)(ap, i); |
| 476 | } |
| 477 | |
| 478 | static int |
| 479 | ins1(self, where, v) |
| 480 | arrayobject *self; |
| 481 | int where; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 482 | PyObject *v; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 483 | { |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 484 | char *items; |
| 485 | if (v == NULL) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 486 | PyErr_BadInternalCall(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 487 | return -1; |
| 488 | } |
| 489 | if ((*self->ob_descr->setitem)(self, -1, v) < 0) |
| 490 | return -1; |
| 491 | items = self->ob_item; |
Roger E. Masse | 5817f8f | 1996-12-09 22:24:19 +0000 | [diff] [blame] | 492 | PyMem_RESIZE(items, char, |
| 493 | (self->ob_size+1) * self->ob_descr->itemsize); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 494 | if (items == NULL) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 495 | PyErr_NoMemory(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 496 | return -1; |
| 497 | } |
| 498 | if (where < 0) |
| 499 | where = 0; |
| 500 | if (where > self->ob_size) |
| 501 | where = self->ob_size; |
| 502 | memmove(items + (where+1)*self->ob_descr->itemsize, |
| 503 | items + where*self->ob_descr->itemsize, |
| 504 | (self->ob_size-where)*self->ob_descr->itemsize); |
| 505 | self->ob_item = items; |
| 506 | self->ob_size++; |
| 507 | return (*self->ob_descr->setitem)(self, where, v); |
| 508 | } |
| 509 | |
Guido van Rossum | a376cc5 | 1996-12-05 23:43:35 +0000 | [diff] [blame] | 510 | #if 0 |
Guido van Rossum | 62de97f | 1995-01-22 00:48:41 +0000 | [diff] [blame] | 511 | static int |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 512 | insarrayitem(op, where, newitem) |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 513 | PyObject *op; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 514 | int where; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 515 | PyObject *newitem; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 516 | { |
| 517 | if (!is_arrayobject(op)) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 518 | PyErr_BadInternalCall(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 519 | return -1; |
| 520 | } |
| 521 | return ins1((arrayobject *)op, where, newitem); |
| 522 | } |
| 523 | |
Guido van Rossum | 62de97f | 1995-01-22 00:48:41 +0000 | [diff] [blame] | 524 | static int |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 525 | addarrayitem(op, newitem) |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 526 | PyObject *op; |
| 527 | PyObject *newitem; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 528 | { |
| 529 | if (!is_arrayobject(op)) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 530 | PyErr_BadInternalCall(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 531 | return -1; |
| 532 | } |
| 533 | return ins1((arrayobject *)op, |
| 534 | (int) ((arrayobject *)op)->ob_size, newitem); |
| 535 | } |
Guido van Rossum | a376cc5 | 1996-12-05 23:43:35 +0000 | [diff] [blame] | 536 | #endif |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 537 | |
| 538 | /* Methods */ |
| 539 | |
| 540 | static void |
| 541 | array_dealloc(op) |
| 542 | arrayobject *op; |
| 543 | { |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 544 | if (op->ob_item != NULL) |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 545 | PyMem_DEL(op->ob_item); |
Guido van Rossum | b18618d | 2000-05-03 23:44:39 +0000 | [diff] [blame] | 546 | PyObject_Del(op); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 547 | } |
| 548 | |
| 549 | static int |
| 550 | array_compare(v, w) |
| 551 | arrayobject *v, *w; |
| 552 | { |
| 553 | int len = (v->ob_size < w->ob_size) ? v->ob_size : w->ob_size; |
| 554 | int i; |
| 555 | for (i = 0; i < len; i++) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 556 | PyObject *ai, *bi; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 557 | int cmp; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 558 | ai = getarrayitem((PyObject *)v, i); |
| 559 | bi = getarrayitem((PyObject *)w, i); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 560 | if (ai && bi) |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 561 | cmp = PyObject_Compare(ai, bi); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 562 | else |
| 563 | cmp = -1; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 564 | Py_XDECREF(ai); |
| 565 | Py_XDECREF(bi); |
Guido van Rossum | c8b6df9 | 1997-05-23 00:06:51 +0000 | [diff] [blame] | 566 | if (cmp != 0) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 567 | return cmp; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 568 | } |
| 569 | return v->ob_size - w->ob_size; |
| 570 | } |
| 571 | |
| 572 | static int |
| 573 | array_length(a) |
| 574 | arrayobject *a; |
| 575 | { |
| 576 | return a->ob_size; |
| 577 | } |
| 578 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 579 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 580 | array_item(a, i) |
| 581 | arrayobject *a; |
| 582 | int i; |
| 583 | { |
| 584 | if (i < 0 || i >= a->ob_size) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 585 | PyErr_SetString(PyExc_IndexError, "array index out of range"); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 586 | return NULL; |
| 587 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 588 | return getarrayitem((PyObject *)a, i); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 589 | } |
| 590 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 591 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 592 | array_slice(a, ilow, ihigh) |
| 593 | arrayobject *a; |
| 594 | int ilow, ihigh; |
| 595 | { |
| 596 | arrayobject *np; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 597 | if (ilow < 0) |
| 598 | ilow = 0; |
| 599 | else if (ilow > a->ob_size) |
| 600 | ilow = a->ob_size; |
| 601 | if (ihigh < 0) |
| 602 | ihigh = 0; |
| 603 | if (ihigh < ilow) |
| 604 | ihigh = ilow; |
| 605 | else if (ihigh > a->ob_size) |
| 606 | ihigh = a->ob_size; |
| 607 | np = (arrayobject *) newarrayobject(ihigh - ilow, a->ob_descr); |
| 608 | if (np == NULL) |
| 609 | return NULL; |
| 610 | memcpy(np->ob_item, a->ob_item + ilow * a->ob_descr->itemsize, |
| 611 | (ihigh-ilow) * a->ob_descr->itemsize); |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 612 | return (PyObject *)np; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 613 | } |
| 614 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 615 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 616 | array_concat(a, bb) |
| 617 | arrayobject *a; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 618 | PyObject *bb; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 619 | { |
| 620 | int size; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 621 | arrayobject *np; |
| 622 | if (!is_arrayobject(bb)) { |
Fred Drake | 137507e | 2000-06-01 02:02:46 +0000 | [diff] [blame] | 623 | PyErr_Format(PyExc_TypeError, |
| 624 | "can only append array (not \"%.200s\") to array", |
| 625 | bb->ob_type->tp_name); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 626 | return NULL; |
| 627 | } |
| 628 | #define b ((arrayobject *)bb) |
| 629 | if (a->ob_descr != b->ob_descr) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 630 | PyErr_BadArgument(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 631 | return NULL; |
| 632 | } |
| 633 | size = a->ob_size + b->ob_size; |
| 634 | np = (arrayobject *) newarrayobject(size, a->ob_descr); |
| 635 | if (np == NULL) { |
| 636 | return NULL; |
| 637 | } |
| 638 | memcpy(np->ob_item, a->ob_item, a->ob_size*a->ob_descr->itemsize); |
| 639 | memcpy(np->ob_item + a->ob_size*a->ob_descr->itemsize, |
Guido van Rossum | 32be3a7 | 1993-11-05 10:16:27 +0000 | [diff] [blame] | 640 | b->ob_item, b->ob_size*b->ob_descr->itemsize); |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 641 | return (PyObject *)np; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 642 | #undef b |
| 643 | } |
| 644 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 645 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 646 | array_repeat(a, n) |
| 647 | arrayobject *a; |
| 648 | int n; |
| 649 | { |
Guido van Rossum | 3bbc62e | 1995-01-02 19:30:30 +0000 | [diff] [blame] | 650 | int i; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 651 | int size; |
| 652 | arrayobject *np; |
| 653 | char *p; |
| 654 | int nbytes; |
| 655 | if (n < 0) |
| 656 | n = 0; |
| 657 | size = a->ob_size * n; |
| 658 | np = (arrayobject *) newarrayobject(size, a->ob_descr); |
| 659 | if (np == NULL) |
| 660 | return NULL; |
| 661 | p = np->ob_item; |
| 662 | nbytes = a->ob_size * a->ob_descr->itemsize; |
| 663 | for (i = 0; i < n; i++) { |
| 664 | memcpy(p, a->ob_item, nbytes); |
| 665 | p += nbytes; |
| 666 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 667 | return (PyObject *) np; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 668 | } |
| 669 | |
| 670 | static int |
| 671 | array_ass_slice(a, ilow, ihigh, v) |
| 672 | arrayobject *a; |
| 673 | int ilow, ihigh; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 674 | PyObject *v; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 675 | { |
| 676 | char *item; |
| 677 | int n; /* Size of replacement array */ |
| 678 | int d; /* Change in size */ |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 679 | #define b ((arrayobject *)v) |
| 680 | if (v == NULL) |
| 681 | n = 0; |
| 682 | else if (is_arrayobject(v)) { |
| 683 | n = b->ob_size; |
| 684 | if (a == b) { |
| 685 | /* Special case "a[i:j] = a" -- copy b first */ |
| 686 | int ret; |
| 687 | v = array_slice(b, 0, n); |
| 688 | ret = array_ass_slice(a, ilow, ihigh, v); |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 689 | Py_DECREF(v); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 690 | return ret; |
| 691 | } |
| 692 | if (b->ob_descr != a->ob_descr) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 693 | PyErr_BadArgument(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 694 | return -1; |
| 695 | } |
| 696 | } |
| 697 | else { |
Fred Drake | 137507e | 2000-06-01 02:02:46 +0000 | [diff] [blame] | 698 | PyErr_Format(PyExc_TypeError, |
| 699 | "can only assign array (not \"%.200s\") to array slice", |
| 700 | v->ob_type->tp_name); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 701 | return -1; |
| 702 | } |
| 703 | if (ilow < 0) |
| 704 | ilow = 0; |
| 705 | else if (ilow > a->ob_size) |
| 706 | ilow = a->ob_size; |
| 707 | if (ihigh < 0) |
| 708 | ihigh = 0; |
| 709 | if (ihigh < ilow) |
| 710 | ihigh = ilow; |
| 711 | else if (ihigh > a->ob_size) |
| 712 | ihigh = a->ob_size; |
| 713 | item = a->ob_item; |
| 714 | d = n - (ihigh-ilow); |
| 715 | if (d < 0) { /* Delete -d items */ |
| 716 | memmove(item + (ihigh+d)*a->ob_descr->itemsize, |
| 717 | item + ihigh*a->ob_descr->itemsize, |
| 718 | (a->ob_size-ihigh)*a->ob_descr->itemsize); |
| 719 | a->ob_size += d; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 720 | PyMem_RESIZE(item, char, a->ob_size*a->ob_descr->itemsize); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 721 | /* Can't fail */ |
| 722 | a->ob_item = item; |
| 723 | } |
| 724 | else if (d > 0) { /* Insert d items */ |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 725 | PyMem_RESIZE(item, char, |
| 726 | (a->ob_size + d)*a->ob_descr->itemsize); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 727 | if (item == NULL) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 728 | PyErr_NoMemory(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 729 | return -1; |
| 730 | } |
| 731 | memmove(item + (ihigh+d)*a->ob_descr->itemsize, |
| 732 | item + ihigh*a->ob_descr->itemsize, |
| 733 | (a->ob_size-ihigh)*a->ob_descr->itemsize); |
| 734 | a->ob_item = item; |
| 735 | a->ob_size += d; |
| 736 | } |
| 737 | if (n > 0) |
| 738 | memcpy(item + ilow*a->ob_descr->itemsize, b->ob_item, |
| 739 | n*b->ob_descr->itemsize); |
| 740 | return 0; |
| 741 | #undef b |
| 742 | } |
| 743 | |
| 744 | static int |
| 745 | array_ass_item(a, i, v) |
| 746 | arrayobject *a; |
| 747 | int i; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 748 | PyObject *v; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 749 | { |
| 750 | if (i < 0 || i >= a->ob_size) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 751 | PyErr_SetString(PyExc_IndexError, |
| 752 | "array assignment index out of range"); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 753 | return -1; |
| 754 | } |
| 755 | if (v == NULL) |
| 756 | return array_ass_slice(a, i, i+1, v); |
| 757 | return (*a->ob_descr->setitem)(a, i, v); |
| 758 | } |
| 759 | |
| 760 | static int |
| 761 | setarrayitem(a, i, v) |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 762 | PyObject *a; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 763 | int i; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 764 | PyObject *v; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 765 | { |
| 766 | if (!is_arrayobject(a)) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 767 | PyErr_BadInternalCall(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 768 | return -1; |
| 769 | } |
| 770 | return array_ass_item((arrayobject *)a, i, v); |
| 771 | } |
| 772 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 773 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 774 | ins(self, where, v) |
| 775 | arrayobject *self; |
| 776 | int where; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 777 | PyObject *v; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 778 | { |
| 779 | if (ins1(self, where, v) != 0) |
| 780 | return NULL; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 781 | Py_INCREF(Py_None); |
| 782 | return Py_None; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 783 | } |
| 784 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 785 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 786 | array_insert(self, args) |
| 787 | arrayobject *self; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 788 | PyObject *args; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 789 | { |
| 790 | int i; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 791 | PyObject *v; |
| 792 | if (!PyArg_Parse(args, "(iO)", &i, &v)) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 793 | return NULL; |
| 794 | return ins(self, i, v); |
| 795 | } |
| 796 | |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 797 | static char insert_doc [] = |
| 798 | "insert (i,x)\n\ |
| 799 | \n\ |
| 800 | Insert a new item x into the array before position i."; |
| 801 | |
| 802 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 803 | static PyObject * |
Guido van Rossum | de4a4ca | 1997-08-12 14:55:56 +0000 | [diff] [blame] | 804 | array_buffer_info(self, args) |
| 805 | arrayobject *self; |
| 806 | PyObject *args; |
| 807 | { |
Fred Drake | 541dc3b | 2000-06-28 17:49:30 +0000 | [diff] [blame] | 808 | PyObject* retval = PyTuple_New(2); |
| 809 | if (!retval) return NULL; |
| 810 | |
| 811 | PyTuple_SET_ITEM(retval, 0, PyLong_FromVoidPtr(self->ob_item)); |
| 812 | PyTuple_SET_ITEM(retval, 1, PyInt_FromLong((long)(self->ob_size))); |
| 813 | |
| 814 | return retval; |
Guido van Rossum | de4a4ca | 1997-08-12 14:55:56 +0000 | [diff] [blame] | 815 | } |
| 816 | |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 817 | static char buffer_info_doc [] = |
| 818 | "buffer_info -> (address, length)\n\ |
| 819 | \n\ |
| 820 | Return a tuple (address, length) giving the current memory address and\n\ |
| 821 | the length in bytes of the buffer used to hold array's contents."; |
| 822 | |
| 823 | |
Guido van Rossum | de4a4ca | 1997-08-12 14:55:56 +0000 | [diff] [blame] | 824 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 825 | array_append(self, args) |
| 826 | arrayobject *self; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 827 | PyObject *args; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 828 | { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 829 | PyObject *v; |
| 830 | if (!PyArg_Parse(args, "O", &v)) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 831 | return NULL; |
| 832 | return ins(self, (int) self->ob_size, v); |
| 833 | } |
| 834 | |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 835 | static char append_doc [] = |
| 836 | "append(x)\n\ |
| 837 | \n\ |
| 838 | Append new value x to the end of the array."; |
| 839 | |
| 840 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 841 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 842 | array_byteswap(self, args) |
| 843 | arrayobject *self; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 844 | PyObject *args; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 845 | { |
| 846 | char *p; |
| 847 | int i; |
Fred Drake | bf27298 | 1999-12-03 17:15:30 +0000 | [diff] [blame] | 848 | |
| 849 | if (!PyArg_ParseTuple(args, ":byteswap")) |
| 850 | return NULL; |
| 851 | |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 852 | switch (self->ob_descr->itemsize) { |
| 853 | case 1: |
| 854 | break; |
| 855 | case 2: |
| 856 | for (p = self->ob_item, i = self->ob_size; --i >= 0; p += 2) { |
| 857 | char p0 = p[0]; |
| 858 | p[0] = p[1]; |
| 859 | p[1] = p0; |
| 860 | } |
| 861 | break; |
| 862 | case 4: |
| 863 | for (p = self->ob_item, i = self->ob_size; --i >= 0; p += 4) { |
| 864 | char p0 = p[0]; |
| 865 | char p1 = p[1]; |
| 866 | p[0] = p[3]; |
| 867 | p[1] = p[2]; |
| 868 | p[2] = p1; |
| 869 | p[3] = p0; |
| 870 | } |
| 871 | break; |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 872 | case 8: |
| 873 | for (p = self->ob_item, i = self->ob_size; --i >= 0; p += 8) { |
| 874 | char p0 = p[0]; |
| 875 | char p1 = p[1]; |
| 876 | char p2 = p[2]; |
| 877 | char p3 = p[3]; |
| 878 | p[0] = p[7]; |
| 879 | p[1] = p[6]; |
| 880 | p[2] = p[5]; |
| 881 | p[3] = p[4]; |
| 882 | p[4] = p3; |
| 883 | p[5] = p2; |
| 884 | p[6] = p1; |
| 885 | p[7] = p0; |
| 886 | } |
| 887 | break; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 888 | default: |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 889 | PyErr_SetString(PyExc_RuntimeError, |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 890 | "don't know how to byteswap this array type"); |
| 891 | return NULL; |
| 892 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 893 | Py_INCREF(Py_None); |
| 894 | return Py_None; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 895 | } |
| 896 | |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 897 | static char byteswap_doc [] = |
Fred Drake | bf27298 | 1999-12-03 17:15:30 +0000 | [diff] [blame] | 898 | "byteswap()\n\ |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 899 | \n\ |
Fred Drake | bf27298 | 1999-12-03 17:15:30 +0000 | [diff] [blame] | 900 | Byteswap all items of the array. If the items in the array are not 1, 2,\n\ |
| 901 | 4, or 8 bytes in size, RuntimeError is raised."; |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 902 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 903 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 904 | array_reverse(self, args) |
| 905 | arrayobject *self; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 906 | PyObject *args; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 907 | { |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 908 | register int itemsize = self->ob_descr->itemsize; |
| 909 | register char *p, *q; |
| 910 | char tmp[sizeof(double)]; /* Assume that's the max item size */ |
| 911 | |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 912 | if (args != NULL) { |
Fred Drake | 137507e | 2000-06-01 02:02:46 +0000 | [diff] [blame] | 913 | PyErr_SetString(PyExc_TypeError, |
| 914 | "<array>.reverse requires exactly 0 arguments"); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 915 | return NULL; |
| 916 | } |
| 917 | |
| 918 | if (self->ob_size > 1) { |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 919 | for (p = self->ob_item, |
| 920 | q = self->ob_item + (self->ob_size - 1)*itemsize; |
| 921 | p < q; |
| 922 | p += itemsize, q -= itemsize) { |
| 923 | memmove(tmp, p, itemsize); |
| 924 | memmove(p, q, itemsize); |
| 925 | memmove(q, tmp, itemsize); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 926 | } |
| 927 | } |
| 928 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 929 | Py_INCREF(Py_None); |
| 930 | return Py_None; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 931 | } |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 932 | |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 933 | static char reverse_doc [] = |
| 934 | "reverse()\n\ |
| 935 | \n\ |
| 936 | Reverse the order of the items in the array."; |
| 937 | |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 938 | /* The following routines were adapted from listobject.c but not converted. |
| 939 | To make them work you will have to work! */ |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 940 | |
| 941 | #if 0 |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 942 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 943 | array_index(self, args) |
| 944 | arrayobject *self; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 945 | PyObject *args; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 946 | { |
| 947 | int i; |
| 948 | |
| 949 | if (args == NULL) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 950 | PyErr_BadArgument(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 951 | return NULL; |
| 952 | } |
| 953 | for (i = 0; i < self->ob_size; i++) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 954 | if (PyObject_Compare(self->ob_item[i], args) == 0) |
| 955 | return PyInt_FromLong((long)i); |
Guido van Rossum | c8b6df9 | 1997-05-23 00:06:51 +0000 | [diff] [blame] | 956 | /* XXX PyErr_Occurred */ |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 957 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 958 | PyErr_SetString(PyExc_ValueError, "array.index(x): x not in array"); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 959 | return NULL; |
| 960 | } |
| 961 | #endif |
| 962 | |
| 963 | #if 0 |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 964 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 965 | array_count(self, args) |
| 966 | arrayobject *self; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 967 | PyObject *args; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 968 | { |
| 969 | int count = 0; |
| 970 | int i; |
| 971 | |
| 972 | if (args == NULL) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 973 | PyErr_BadArgument(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 974 | return NULL; |
| 975 | } |
| 976 | for (i = 0; i < self->ob_size; i++) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 977 | if (PyObject_Compare(self->ob_item[i], args) == 0) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 978 | count++; |
Guido van Rossum | c8b6df9 | 1997-05-23 00:06:51 +0000 | [diff] [blame] | 979 | /* XXX PyErr_Occurred */ |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 980 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 981 | return PyInt_FromLong((long)count); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 982 | } |
| 983 | #endif |
| 984 | |
| 985 | #if 0 |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 986 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 987 | array_remove(self, args) |
| 988 | arrayobject *self; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 989 | PyObject *args; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 990 | { |
| 991 | int i; |
| 992 | |
| 993 | if (args == NULL) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 994 | PyErr_BadArgument(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 995 | return NULL; |
| 996 | } |
| 997 | for (i = 0; i < self->ob_size; i++) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 998 | if (PyObject_Compare(self->ob_item[i], args) == 0) { |
Roger E. Masse | 5817f8f | 1996-12-09 22:24:19 +0000 | [diff] [blame] | 999 | if (array_ass_slice(self, i, i+1, |
| 1000 | (PyObject *)NULL) != 0) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1001 | return NULL; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1002 | Py_INCREF(Py_None); |
| 1003 | return Py_None; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1004 | } |
Guido van Rossum | c8b6df9 | 1997-05-23 00:06:51 +0000 | [diff] [blame] | 1005 | /* XXX PyErr_Occurred */ |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1006 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1007 | PyErr_SetString(PyExc_ValueError, "array.remove(x): x not in array"); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1008 | return NULL; |
| 1009 | } |
| 1010 | #endif |
| 1011 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1012 | static PyObject * |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 1013 | array_fromfile(self, args) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1014 | arrayobject *self; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1015 | PyObject *args; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1016 | { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1017 | PyObject *f; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1018 | int n; |
| 1019 | FILE *fp; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1020 | if (!PyArg_Parse(args, "(Oi)", &f, &n)) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1021 | return NULL; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1022 | fp = PyFile_AsFile(f); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1023 | if (fp == NULL) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1024 | PyErr_SetString(PyExc_TypeError, "arg1 must be open file"); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1025 | return NULL; |
| 1026 | } |
| 1027 | if (n > 0) { |
| 1028 | char *item = self->ob_item; |
| 1029 | int itemsize = self->ob_descr->itemsize; |
Guido van Rossum | 7d0ae5e | 2000-06-28 21:27:21 +0000 | [diff] [blame] | 1030 | size_t nread; |
Guido van Rossum | 3791b0d | 1999-02-23 18:05:22 +0000 | [diff] [blame] | 1031 | int newlength; |
| 1032 | size_t newbytes; |
| 1033 | /* Be careful here about overflow */ |
| 1034 | if ((newlength = self->ob_size + n) <= 0 || |
Guido van Rossum | 481ac88 | 1999-03-19 21:50:11 +0000 | [diff] [blame] | 1035 | (newbytes = newlength * itemsize) / itemsize != |
| 1036 | (size_t)newlength) |
Guido van Rossum | 3791b0d | 1999-02-23 18:05:22 +0000 | [diff] [blame] | 1037 | goto nomem; |
| 1038 | PyMem_RESIZE(item, char, newbytes); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1039 | if (item == NULL) { |
Guido van Rossum | 3791b0d | 1999-02-23 18:05:22 +0000 | [diff] [blame] | 1040 | nomem: |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1041 | PyErr_NoMemory(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1042 | return NULL; |
| 1043 | } |
| 1044 | self->ob_item = item; |
| 1045 | self->ob_size += n; |
| 1046 | nread = fread(item + (self->ob_size - n) * itemsize, |
| 1047 | itemsize, n, fp); |
Guido van Rossum | 7d0ae5e | 2000-06-28 21:27:21 +0000 | [diff] [blame] | 1048 | if (nread < (size_t)n) { |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1049 | self->ob_size -= (n - nread); |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1050 | PyMem_RESIZE(item, char, self->ob_size*itemsize); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1051 | self->ob_item = item; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1052 | PyErr_SetString(PyExc_EOFError, |
| 1053 | "not enough items in file"); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1054 | return NULL; |
| 1055 | } |
| 1056 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1057 | Py_INCREF(Py_None); |
| 1058 | return Py_None; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1059 | } |
| 1060 | |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1061 | static char fromfile_doc [] = |
| 1062 | "fromfile(f, n)\n\ |
| 1063 | \n\ |
| 1064 | Read n objects from the file object f and append them to the end of the\n\ |
| 1065 | array. Also called as read."; |
| 1066 | |
| 1067 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1068 | static PyObject * |
Guido van Rossum | e77a757 | 1993-11-03 15:01:26 +0000 | [diff] [blame] | 1069 | array_tofile(self, args) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1070 | arrayobject *self; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1071 | PyObject *args; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1072 | { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1073 | PyObject *f; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1074 | FILE *fp; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1075 | if (!PyArg_Parse(args, "O", &f)) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1076 | return NULL; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1077 | fp = PyFile_AsFile(f); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1078 | if (fp == NULL) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1079 | PyErr_SetString(PyExc_TypeError, "arg must be open file"); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1080 | return NULL; |
| 1081 | } |
| 1082 | if (self->ob_size > 0) { |
Guido van Rossum | 7844e38 | 1997-04-11 20:44:04 +0000 | [diff] [blame] | 1083 | if ((int)fwrite(self->ob_item, self->ob_descr->itemsize, |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1084 | self->ob_size, fp) != self->ob_size) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1085 | PyErr_SetFromErrno(PyExc_IOError); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1086 | clearerr(fp); |
| 1087 | return NULL; |
| 1088 | } |
| 1089 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1090 | Py_INCREF(Py_None); |
| 1091 | return Py_None; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1092 | } |
| 1093 | |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1094 | static char tofile_doc [] = |
| 1095 | "tofile(f)\n\ |
| 1096 | \n\ |
| 1097 | Write all items (as machine values) to the file object f. Also called as\n\ |
| 1098 | write."; |
| 1099 | |
| 1100 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1101 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1102 | array_fromlist(self, args) |
| 1103 | arrayobject *self; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1104 | PyObject *args; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1105 | { |
| 1106 | int n; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1107 | PyObject *list; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1108 | int itemsize = self->ob_descr->itemsize; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1109 | if (!PyArg_Parse(args, "O", &list)) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1110 | return NULL; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1111 | if (!PyList_Check(list)) { |
| 1112 | PyErr_SetString(PyExc_TypeError, "arg must be list"); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1113 | return NULL; |
| 1114 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1115 | n = PyList_Size(list); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1116 | if (n > 0) { |
| 1117 | char *item = self->ob_item; |
| 1118 | int i; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1119 | PyMem_RESIZE(item, char, (self->ob_size + n) * itemsize); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1120 | if (item == NULL) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1121 | PyErr_NoMemory(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1122 | return NULL; |
| 1123 | } |
| 1124 | self->ob_item = item; |
| 1125 | self->ob_size += n; |
| 1126 | for (i = 0; i < n; i++) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1127 | PyObject *v = PyList_GetItem(list, i); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1128 | if ((*self->ob_descr->setitem)(self, |
| 1129 | self->ob_size - n + i, v) != 0) { |
| 1130 | self->ob_size -= n; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1131 | PyMem_RESIZE(item, char, |
| 1132 | self->ob_size * itemsize); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1133 | self->ob_item = item; |
| 1134 | return NULL; |
| 1135 | } |
| 1136 | } |
| 1137 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1138 | Py_INCREF(Py_None); |
| 1139 | return Py_None; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1140 | } |
| 1141 | |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1142 | static char fromlist_doc [] = |
| 1143 | "fromlist(list)\n\ |
| 1144 | \n\ |
| 1145 | Append items to array from list."; |
| 1146 | |
| 1147 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1148 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1149 | array_tolist(self, args) |
| 1150 | arrayobject *self; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1151 | PyObject *args; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1152 | { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1153 | PyObject *list = PyList_New(self->ob_size); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1154 | int i; |
| 1155 | if (list == NULL) |
| 1156 | return NULL; |
| 1157 | for (i = 0; i < self->ob_size; i++) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1158 | PyObject *v = getarrayitem((PyObject *)self, i); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1159 | if (v == NULL) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1160 | Py_DECREF(list); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1161 | return NULL; |
| 1162 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1163 | PyList_SetItem(list, i, v); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1164 | } |
| 1165 | return list; |
| 1166 | } |
| 1167 | |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1168 | static char tolist_doc [] = |
Guido van Rossum | fc6aba5 | 1998-10-14 02:52:31 +0000 | [diff] [blame] | 1169 | "tolist() -> list\n\ |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1170 | \n\ |
| 1171 | Convert array to an ordinary list with the same items."; |
| 1172 | |
| 1173 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1174 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1175 | array_fromstring(self, args) |
| 1176 | arrayobject *self; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1177 | PyObject *args; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1178 | { |
| 1179 | char *str; |
| 1180 | int n; |
| 1181 | int itemsize = self->ob_descr->itemsize; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1182 | if (!PyArg_Parse(args, "s#", &str, &n)) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1183 | return NULL; |
| 1184 | if (n % itemsize != 0) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1185 | PyErr_SetString(PyExc_ValueError, |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1186 | "string length not a multiple of item size"); |
| 1187 | return NULL; |
| 1188 | } |
| 1189 | n = n / itemsize; |
| 1190 | if (n > 0) { |
| 1191 | char *item = self->ob_item; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1192 | PyMem_RESIZE(item, char, (self->ob_size + n) * itemsize); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1193 | if (item == NULL) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1194 | PyErr_NoMemory(); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1195 | return NULL; |
| 1196 | } |
| 1197 | self->ob_item = item; |
| 1198 | self->ob_size += n; |
Roger E. Masse | 5817f8f | 1996-12-09 22:24:19 +0000 | [diff] [blame] | 1199 | memcpy(item + (self->ob_size - n) * itemsize, |
| 1200 | str, itemsize*n); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1201 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1202 | Py_INCREF(Py_None); |
| 1203 | return Py_None; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1204 | } |
| 1205 | |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1206 | static char fromstring_doc [] = |
| 1207 | "fromstring(string)\n\ |
| 1208 | \n\ |
| 1209 | Appends items from the string, interpreting it as an array of machine\n\ |
| 1210 | values,as if it had been read from a file using the fromfile() method)."; |
| 1211 | |
| 1212 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1213 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1214 | array_tostring(self, args) |
| 1215 | arrayobject *self; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1216 | PyObject *args; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1217 | { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1218 | if (!PyArg_Parse(args, "")) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1219 | return NULL; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1220 | return PyString_FromStringAndSize(self->ob_item, |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1221 | self->ob_size * self->ob_descr->itemsize); |
| 1222 | } |
| 1223 | |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1224 | static char tostring_doc [] = |
| 1225 | "tostring() -> string\n\ |
| 1226 | \n\ |
| 1227 | Convert the array to an array of machine values and return the string\n\ |
| 1228 | representation."; |
| 1229 | |
| 1230 | PyMethodDef array_methods[] = { |
| 1231 | {"append", (PyCFunction)array_append, 0, append_doc}, |
| 1232 | {"buffer_info", (PyCFunction)array_buffer_info, 0, buffer_info_doc}, |
Fred Drake | bf27298 | 1999-12-03 17:15:30 +0000 | [diff] [blame] | 1233 | {"byteswap", (PyCFunction)array_byteswap, METH_VARARGS, |
| 1234 | byteswap_doc}, |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 1235 | /* {"count", (method)array_count},*/ |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1236 | {"fromfile", (PyCFunction)array_fromfile, 0, fromfile_doc}, |
| 1237 | {"fromlist", (PyCFunction)array_fromlist, 0, fromlist_doc}, |
| 1238 | {"fromstring", (PyCFunction)array_fromstring, 0, fromstring_doc}, |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 1239 | /* {"index", (method)array_index},*/ |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1240 | {"insert", (PyCFunction)array_insert, 0, insert_doc}, |
| 1241 | {"read", (PyCFunction)array_fromfile, 0, fromfile_doc}, |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 1242 | /* {"remove", (method)array_remove},*/ |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1243 | {"reverse", (PyCFunction)array_reverse, 0, reverse_doc}, |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 1244 | /* {"sort", (method)array_sort},*/ |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1245 | {"tofile", (PyCFunction)array_tofile, 0, tofile_doc}, |
| 1246 | {"tolist", (PyCFunction)array_tolist, 0, tolist_doc}, |
| 1247 | {"tostring", (PyCFunction)array_tostring, 0, tostring_doc}, |
| 1248 | {"write", (PyCFunction)array_tofile, 0, tofile_doc}, |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1249 | {NULL, NULL} /* sentinel */ |
| 1250 | }; |
| 1251 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1252 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1253 | array_getattr(a, name) |
| 1254 | arrayobject *a; |
| 1255 | char *name; |
| 1256 | { |
| 1257 | if (strcmp(name, "typecode") == 0) { |
| 1258 | char tc = a->ob_descr->typecode; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1259 | return PyString_FromStringAndSize(&tc, 1); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1260 | } |
| 1261 | if (strcmp(name, "itemsize") == 0) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1262 | return PyInt_FromLong((long)a->ob_descr->itemsize); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1263 | } |
Guido van Rossum | a3d78fb | 1993-11-10 09:23:53 +0000 | [diff] [blame] | 1264 | if (strcmp(name, "__members__") == 0) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1265 | PyObject *list = PyList_New(2); |
Guido van Rossum | a3d78fb | 1993-11-10 09:23:53 +0000 | [diff] [blame] | 1266 | if (list) { |
Roger E. Masse | 5817f8f | 1996-12-09 22:24:19 +0000 | [diff] [blame] | 1267 | PyList_SetItem(list, 0, |
| 1268 | PyString_FromString("typecode")); |
| 1269 | PyList_SetItem(list, 1, |
| 1270 | PyString_FromString("itemsize")); |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1271 | if (PyErr_Occurred()) { |
| 1272 | Py_DECREF(list); |
Guido van Rossum | a3d78fb | 1993-11-10 09:23:53 +0000 | [diff] [blame] | 1273 | list = NULL; |
| 1274 | } |
| 1275 | } |
| 1276 | return list; |
| 1277 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1278 | return Py_FindMethod(array_methods, (PyObject *)a, name); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1279 | } |
| 1280 | |
| 1281 | static int |
| 1282 | array_print(a, fp, flags) |
| 1283 | arrayobject *a; |
| 1284 | FILE *fp; |
| 1285 | int flags; |
| 1286 | { |
| 1287 | int ok = 0; |
| 1288 | int i, len; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1289 | PyObject *v; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1290 | len = a->ob_size; |
| 1291 | if (len == 0) { |
| 1292 | fprintf(fp, "array('%c')", a->ob_descr->typecode); |
| 1293 | return ok; |
| 1294 | } |
| 1295 | if (a->ob_descr->typecode == 'c') { |
| 1296 | fprintf(fp, "array('c', "); |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1297 | v = array_tostring(a, (PyObject *)NULL); |
| 1298 | ok = PyObject_Print(v, fp, 0); |
| 1299 | Py_XDECREF(v); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1300 | fprintf(fp, ")"); |
| 1301 | return ok; |
| 1302 | } |
| 1303 | fprintf(fp, "array('%c', [", a->ob_descr->typecode); |
| 1304 | for (i = 0; i < len && ok == 0; i++) { |
| 1305 | if (i > 0) |
| 1306 | fprintf(fp, ", "); |
| 1307 | v = (a->ob_descr->getitem)(a, i); |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1308 | ok = PyObject_Print(v, fp, 0); |
| 1309 | Py_XDECREF(v); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1310 | } |
| 1311 | fprintf(fp, "])"); |
| 1312 | return ok; |
| 1313 | } |
| 1314 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1315 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1316 | array_repr(a) |
| 1317 | arrayobject *a; |
| 1318 | { |
| 1319 | char buf[256]; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1320 | PyObject *s, *t, *comma, *v; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1321 | int i, len; |
| 1322 | len = a->ob_size; |
| 1323 | if (len == 0) { |
| 1324 | sprintf(buf, "array('%c')", a->ob_descr->typecode); |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1325 | return PyString_FromString(buf); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1326 | } |
| 1327 | if (a->ob_descr->typecode == 'c') { |
| 1328 | sprintf(buf, "array('c', "); |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1329 | s = PyString_FromString(buf); |
| 1330 | v = array_tostring(a, (PyObject *)NULL); |
| 1331 | t = PyObject_Repr(v); |
| 1332 | Py_XDECREF(v); |
| 1333 | PyString_ConcatAndDel(&s, t); |
| 1334 | PyString_ConcatAndDel(&s, PyString_FromString(")")); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1335 | return s; |
| 1336 | } |
| 1337 | sprintf(buf, "array('%c', [", a->ob_descr->typecode); |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1338 | s = PyString_FromString(buf); |
| 1339 | comma = PyString_FromString(", "); |
| 1340 | for (i = 0; i < len && !PyErr_Occurred(); i++) { |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 1341 | if (i > 0) |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1342 | PyString_Concat(&s, comma); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1343 | v = (a->ob_descr->getitem)(a, i); |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1344 | t = PyObject_Repr(v); |
| 1345 | Py_XDECREF(v); |
| 1346 | PyString_ConcatAndDel(&s, t); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1347 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1348 | Py_XDECREF(comma); |
| 1349 | PyString_ConcatAndDel(&s, PyString_FromString("])")); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1350 | return s; |
| 1351 | } |
| 1352 | |
Guido van Rossum | fdf95dd | 1997-05-05 22:15:02 +0000 | [diff] [blame] | 1353 | static int |
| 1354 | array_buffer_getreadbuf(self, index, ptr) |
| 1355 | arrayobject *self; |
| 1356 | int index; |
| 1357 | const void **ptr; |
| 1358 | { |
| 1359 | if ( index != 0 ) { |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1360 | PyErr_SetString(PyExc_SystemError, |
| 1361 | "Accessing non-existent array segment"); |
Guido van Rossum | fdf95dd | 1997-05-05 22:15:02 +0000 | [diff] [blame] | 1362 | return -1; |
| 1363 | } |
| 1364 | *ptr = (void *)self->ob_item; |
| 1365 | return self->ob_size*self->ob_descr->itemsize; |
| 1366 | } |
| 1367 | |
| 1368 | static int |
| 1369 | array_buffer_getwritebuf(self, index, ptr) |
| 1370 | arrayobject *self; |
| 1371 | int index; |
| 1372 | const void **ptr; |
| 1373 | { |
| 1374 | if ( index != 0 ) { |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1375 | PyErr_SetString(PyExc_SystemError, |
| 1376 | "Accessing non-existent array segment"); |
Guido van Rossum | fdf95dd | 1997-05-05 22:15:02 +0000 | [diff] [blame] | 1377 | return -1; |
| 1378 | } |
| 1379 | *ptr = (void *)self->ob_item; |
| 1380 | return self->ob_size*self->ob_descr->itemsize; |
| 1381 | } |
| 1382 | |
| 1383 | static int |
| 1384 | array_buffer_getsegcount(self, lenp) |
| 1385 | arrayobject *self; |
| 1386 | int *lenp; |
| 1387 | { |
| 1388 | if ( lenp ) |
| 1389 | *lenp = self->ob_size*self->ob_descr->itemsize; |
| 1390 | return 1; |
| 1391 | } |
| 1392 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1393 | static PySequenceMethods array_as_sequence = { |
Roger E. Masse | 5817f8f | 1996-12-09 22:24:19 +0000 | [diff] [blame] | 1394 | (inquiry)array_length, /*sq_length*/ |
| 1395 | (binaryfunc)array_concat, /*sq_concat*/ |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 1396 | (intargfunc)array_repeat, /*sq_repeat*/ |
Roger E. Masse | 5817f8f | 1996-12-09 22:24:19 +0000 | [diff] [blame] | 1397 | (intargfunc)array_item, /*sq_item*/ |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 1398 | (intintargfunc)array_slice, /*sq_slice*/ |
| 1399 | (intobjargproc)array_ass_item, /*sq_ass_item*/ |
| 1400 | (intintobjargproc)array_ass_slice, /*sq_ass_slice*/ |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1401 | }; |
| 1402 | |
Guido van Rossum | fdf95dd | 1997-05-05 22:15:02 +0000 | [diff] [blame] | 1403 | static PyBufferProcs array_as_buffer = { |
| 1404 | (getreadbufferproc)array_buffer_getreadbuf, |
| 1405 | (getwritebufferproc)array_buffer_getwritebuf, |
| 1406 | (getsegcountproc)array_buffer_getsegcount, |
| 1407 | }; |
| 1408 | |
| 1409 | |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1410 | |
| 1411 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1412 | static PyObject * |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1413 | a_array(self, args) |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1414 | PyObject *self; |
| 1415 | PyObject *args; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1416 | { |
| 1417 | char c; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1418 | PyObject *initial = NULL; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1419 | struct arraydescr *descr; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1420 | if (!PyArg_Parse(args, "c", &c)) { |
| 1421 | PyErr_Clear(); |
| 1422 | if (!PyArg_Parse(args, "(cO)", &c, &initial)) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1423 | return NULL; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1424 | if (!PyList_Check(initial) && !PyString_Check(initial)) { |
| 1425 | PyErr_SetString(PyExc_TypeError, |
Roger E. Masse | 5817f8f | 1996-12-09 22:24:19 +0000 | [diff] [blame] | 1426 | "array initializer must be list or string"); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1427 | return NULL; |
| 1428 | } |
| 1429 | } |
| 1430 | for (descr = descriptors; descr->typecode != '\0'; descr++) { |
| 1431 | if (descr->typecode == c) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1432 | PyObject *a; |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1433 | int len; |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1434 | if (initial == NULL || !PyList_Check(initial)) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1435 | len = 0; |
| 1436 | else |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1437 | len = PyList_Size(initial); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1438 | a = newarrayobject(len, descr); |
| 1439 | if (a == NULL) |
| 1440 | return NULL; |
| 1441 | if (len > 0) { |
| 1442 | int i; |
| 1443 | for (i = 0; i < len; i++) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1444 | PyObject *v = |
| 1445 | PyList_GetItem(initial, i); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1446 | if (setarrayitem(a, i, v) != 0) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1447 | Py_DECREF(a); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1448 | return NULL; |
| 1449 | } |
| 1450 | } |
| 1451 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1452 | if (initial != NULL && PyString_Check(initial)) { |
| 1453 | PyObject *v = |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1454 | array_fromstring((arrayobject *)a, initial); |
| 1455 | if (v == NULL) { |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1456 | Py_DECREF(a); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1457 | return NULL; |
| 1458 | } |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1459 | Py_DECREF(v); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1460 | } |
| 1461 | return a; |
| 1462 | } |
| 1463 | } |
Roger E. Masse | 5817f8f | 1996-12-09 22:24:19 +0000 | [diff] [blame] | 1464 | PyErr_SetString(PyExc_ValueError, |
Guido van Rossum | 549ab71 | 1997-01-03 19:09:47 +0000 | [diff] [blame] | 1465 | "bad typecode (must be c, b, B, h, H, i, I, l, L, f or d)"); |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1466 | return NULL; |
| 1467 | } |
| 1468 | |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1469 | static char a_array_doc [] = |
| 1470 | "array(typecode [, initializer]) -> array\n\ |
| 1471 | \n\ |
| 1472 | Return a new array whose items are restricted by typecode, and\n\ |
| 1473 | initialized from the optional initializer value, which must be a list\n\ |
| 1474 | or a string."; |
| 1475 | |
Roger E. Masse | 2919eaa | 1996-12-09 20:10:36 +0000 | [diff] [blame] | 1476 | static PyMethodDef a_methods[] = { |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1477 | {"array", a_array, 0, a_array_doc}, |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1478 | {NULL, NULL} /* sentinel */ |
| 1479 | }; |
| 1480 | |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1481 | static char module_doc [] = |
| 1482 | "This module defines a new object type which can efficiently represent\n\ |
| 1483 | an array of basic values: characters, integers, floating point\n\ |
| 1484 | numbers. Arrays are sequence types and behave very much like lists,\n\ |
| 1485 | except that the type of objects stored in them is constrained. The\n\ |
| 1486 | type is specified at object creation time by using a type code, which\n\ |
| 1487 | is a single character. The following type codes are defined:\n\ |
| 1488 | \n\ |
| 1489 | Type code C Type Minimum size in bytes \n\ |
| 1490 | 'c' character 1 \n\ |
| 1491 | 'b' signed integer 1 \n\ |
| 1492 | 'B' unsigned integer 1 \n\ |
| 1493 | 'h' signed integer 2 \n\ |
| 1494 | 'H' unsigned integer 2 \n\ |
| 1495 | 'i' signed integer 2 \n\ |
| 1496 | 'I' unsigned integer 2 \n\ |
| 1497 | 'l' signed integer 4 \n\ |
| 1498 | 'L' unsigned integer 4 \n\ |
| 1499 | 'f' floating point 4 \n\ |
| 1500 | 'd' floating point 8 \n\ |
| 1501 | \n\ |
| 1502 | Functions:\n\ |
| 1503 | \n\ |
| 1504 | array(typecode [, initializer]) -- create a new array\n\ |
| 1505 | \n\ |
| 1506 | Special Objects:\n\ |
| 1507 | \n\ |
| 1508 | ArrayType -- type object for array objects\n\ |
| 1509 | "; |
| 1510 | |
| 1511 | static char arraytype_doc [] = |
| 1512 | "An array represents basic values and behave very much like lists, except\n\ |
| 1513 | the type of objects stored in them is constrained.\n\ |
| 1514 | \n\ |
| 1515 | Methods:\n\ |
| 1516 | \n\ |
| 1517 | append() -- append a new item to the end of the array\n\ |
| 1518 | buffer_info() -- return information giving the current memory info\n\ |
| 1519 | byteswap() -- byteswap all the items of the array\n\ |
| 1520 | fromfile() -- read items from a file object\n\ |
| 1521 | fromlist() -- append items from the list\n\ |
| 1522 | fromstring() -- append items from the string\n\ |
| 1523 | insert() -- insert a new item into the array at a provided position\n\ |
| 1524 | read() -- DEPRECATED, use fromfile()\n\ |
| 1525 | reverse() -- reverse the order of the items in the array\n\ |
| 1526 | tofile() -- write all items to a file object\n\ |
| 1527 | tolist() -- return the array converted to an ordinary list\n\ |
| 1528 | tostring() -- return the array converted to a string\n\ |
| 1529 | write() -- DEPRECATED, use tofile()\n\ |
| 1530 | \n\ |
| 1531 | Variables:\n\ |
| 1532 | \n\ |
| 1533 | typecode -- the typecode character used to create the array\n\ |
| 1534 | itemsize -- the length in bytes of one array item\n\ |
| 1535 | "; |
| 1536 | |
| 1537 | statichere PyTypeObject Arraytype = { |
Fred Drake | 0d40ba4 | 2000-02-04 20:33:49 +0000 | [diff] [blame] | 1538 | PyObject_HEAD_INIT(NULL) |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1539 | 0, |
| 1540 | "array", |
| 1541 | sizeof(arrayobject), |
| 1542 | 0, |
| 1543 | (destructor)array_dealloc, /*tp_dealloc*/ |
| 1544 | (printfunc)array_print, /*tp_print*/ |
| 1545 | (getattrfunc)array_getattr, /*tp_getattr*/ |
| 1546 | 0, /*tp_setattr*/ |
| 1547 | (cmpfunc)array_compare, /*tp_compare*/ |
| 1548 | (reprfunc)array_repr, /*tp_repr*/ |
| 1549 | 0, /*tp_as_number*/ |
| 1550 | &array_as_sequence, /*tp_as_sequence*/ |
| 1551 | 0, /*tp_as_mapping*/ |
| 1552 | 0, /*tp_hash*/ |
| 1553 | 0, /*tp_call*/ |
| 1554 | 0, /*tp_str*/ |
| 1555 | 0, /*tp_getattro*/ |
| 1556 | 0, /*tp_setattro*/ |
| 1557 | &array_as_buffer, /*tp_as_buffer*/ |
| 1558 | 0, /*tp_xxx4*/ |
| 1559 | arraytype_doc, /*tp_doc*/ |
| 1560 | }; |
| 1561 | |
Guido van Rossum | 3886bb6 | 1998-12-04 18:50:17 +0000 | [diff] [blame] | 1562 | DL_EXPORT(void) |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1563 | initarray() |
| 1564 | { |
Guido van Rossum | b6190d3 | 1997-05-22 14:56:36 +0000 | [diff] [blame] | 1565 | PyObject *m, *d; |
Fred Drake | 0d40ba4 | 2000-02-04 20:33:49 +0000 | [diff] [blame] | 1566 | |
| 1567 | Arraytype.ob_type = &PyType_Type; |
Guido van Rossum | b39b90d | 1998-10-13 14:27:22 +0000 | [diff] [blame] | 1568 | m = Py_InitModule3("array", a_methods, module_doc); |
Guido van Rossum | b6190d3 | 1997-05-22 14:56:36 +0000 | [diff] [blame] | 1569 | d = PyModule_GetDict(m); |
Guido van Rossum | a0deb64 | 1998-10-14 13:45:06 +0000 | [diff] [blame] | 1570 | PyDict_SetItemString(d, "ArrayType", (PyObject *)&Arraytype); |
| 1571 | /* No need to check the error here, the caller will do that */ |
Guido van Rossum | 778983b | 1993-02-19 15:55:02 +0000 | [diff] [blame] | 1572 | } |