Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 1 | /*********************************************************** |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 2 | Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum, |
Guido van Rossum | 9bfef44 | 1993-03-29 10:43:31 +0000 | [diff] [blame] | 3 | Amsterdam, The Netherlands. |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 4 | |
| 5 | All Rights Reserved |
| 6 | |
| 7 | Permission to use, copy, modify, and distribute this software and its |
| 8 | documentation for any purpose and without fee is hereby granted, |
| 9 | provided that the above copyright notice appear in all copies and that |
| 10 | both that copyright notice and this permission notice appear in |
| 11 | supporting documentation, and that the names of Stichting Mathematisch |
| 12 | Centrum or CWI not be used in advertising or publicity pertaining to |
| 13 | distribution of the software without specific, written prior permission. |
| 14 | |
| 15 | STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO |
| 16 | THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| 17 | FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE |
| 18 | FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 19 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 20 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| 21 | OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 22 | |
| 23 | ******************************************************************/ |
| 24 | |
| 25 | /* strop module */ |
| 26 | |
| 27 | #include "allobjects.h" |
| 28 | #include "modsupport.h" |
| 29 | |
Guido van Rossum | d05eb8b | 1993-07-08 11:12:36 +0000 | [diff] [blame] | 30 | #include <ctype.h> |
Guido van Rossum | e22e644 | 1993-07-09 10:51:31 +0000 | [diff] [blame] | 31 | /* XXX This file assumes that the <ctype.h> is*() functions |
| 32 | XXX are defined for all 8-bit characters! */ |
Guido van Rossum | d05eb8b | 1993-07-08 11:12:36 +0000 | [diff] [blame] | 33 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 34 | #include <errno.h> |
| 35 | |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 36 | |
| 37 | static object * |
| 38 | strop_split(self, args) |
| 39 | object *self; /* Not used */ |
| 40 | object *args; |
| 41 | { |
Guido van Rossum | 572d2d9 | 1993-11-05 10:14:49 +0000 | [diff] [blame] | 42 | int len, i, j, err; |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 43 | char *s; |
| 44 | char c; |
| 45 | object *list, *item; |
| 46 | |
| 47 | if (!getargs(args, "s#", &s, &len)) |
| 48 | return NULL; |
| 49 | list = newlistobject(0); |
| 50 | if (list == NULL) |
| 51 | return NULL; |
| 52 | |
| 53 | i = 0; |
| 54 | while (i < len) { |
| 55 | while (i < len && |
Guido van Rossum | d05eb8b | 1993-07-08 11:12:36 +0000 | [diff] [blame] | 56 | ((c = s[i]), isspace(c))) { |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 57 | i = i+1; |
| 58 | } |
| 59 | j = i; |
| 60 | while (i < len && |
Guido van Rossum | d05eb8b | 1993-07-08 11:12:36 +0000 | [diff] [blame] | 61 | !((c = s[i]), isspace(c))) { |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 62 | i = i+1; |
| 63 | } |
| 64 | if (j < i) { |
| 65 | item = newsizedstringobject(s+j, (int)(i-j)); |
Guido van Rossum | 572d2d9 | 1993-11-05 10:14:49 +0000 | [diff] [blame] | 66 | if (item == NULL) { |
| 67 | DECREF(list); |
| 68 | return NULL; |
| 69 | } |
| 70 | err = addlistitem(list, item); |
| 71 | DECREF(item); |
| 72 | if (err < 0) { |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 73 | DECREF(list); |
| 74 | return NULL; |
| 75 | } |
| 76 | } |
| 77 | } |
| 78 | |
| 79 | return list; |
| 80 | } |
| 81 | |
| 82 | |
| 83 | static object * |
| 84 | strop_splitfields(self, args) |
| 85 | object *self; /* Not used */ |
| 86 | object *args; |
| 87 | { |
Guido van Rossum | 572d2d9 | 1993-11-05 10:14:49 +0000 | [diff] [blame] | 88 | int len, n, i, j, err; |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 89 | char *s, *sub; |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 90 | object *list, *item; |
| 91 | |
| 92 | if (!getargs(args, "(s#s#)", &s, &len, &sub, &n)) |
| 93 | return NULL; |
| 94 | if (n == 0) { |
| 95 | err_setstr(ValueError, "empty separator"); |
| 96 | return NULL; |
| 97 | } |
| 98 | |
| 99 | list = newlistobject(0); |
| 100 | if (list == NULL) |
| 101 | return NULL; |
| 102 | |
| 103 | i = j = 0; |
| 104 | while (i+n <= len) { |
| 105 | if (s[i] == sub[0] && (n == 1 || strncmp(s+i, sub, n) == 0)) { |
| 106 | item = newsizedstringobject(s+j, (int)(i-j)); |
Guido van Rossum | 572d2d9 | 1993-11-05 10:14:49 +0000 | [diff] [blame] | 107 | if (item == NULL) |
| 108 | goto fail; |
| 109 | err = addlistitem(list, item); |
| 110 | DECREF(item); |
| 111 | if (err < 0) |
| 112 | goto fail; |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 113 | i = j = i + n; |
| 114 | } |
| 115 | else |
| 116 | i++; |
| 117 | } |
| 118 | item = newsizedstringobject(s+j, (int)(len-j)); |
Guido van Rossum | 572d2d9 | 1993-11-05 10:14:49 +0000 | [diff] [blame] | 119 | if (item == NULL) |
| 120 | goto fail; |
| 121 | err = addlistitem(list, item); |
| 122 | DECREF(item); |
| 123 | if (err < 0) |
| 124 | goto fail; |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 125 | |
| 126 | return list; |
Guido van Rossum | 572d2d9 | 1993-11-05 10:14:49 +0000 | [diff] [blame] | 127 | |
| 128 | fail: |
| 129 | DECREF(list); |
| 130 | return NULL; |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | |
| 134 | static object * |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 135 | strop_joinfields(self, args) |
| 136 | object *self; /* Not used */ |
| 137 | object *args; |
| 138 | { |
| 139 | object *seq, *item, *res; |
| 140 | object * (*getitem) FPROTO((object *, int)); |
| 141 | char *sep, *p; |
| 142 | int seplen, seqlen, reslen, itemlen, i; |
| 143 | |
| 144 | if (!getargs(args, "(Os#)", &seq, &sep, &seplen)) |
| 145 | return NULL; |
| 146 | if (is_listobject(seq)) { |
| 147 | getitem = getlistitem; |
| 148 | seqlen = getlistsize(seq); |
| 149 | } |
| 150 | else if (is_tupleobject(seq)) { |
| 151 | getitem = gettupleitem; |
| 152 | seqlen = gettuplesize(seq); |
| 153 | } |
| 154 | else { |
| 155 | err_setstr(TypeError, "first argument must be list/tuple"); |
| 156 | return NULL; |
| 157 | } |
| 158 | reslen = 0; |
| 159 | for (i = 0; i < seqlen; i++) { |
| 160 | item = getitem(seq, i); |
| 161 | if (!is_stringobject(item)) { |
| 162 | err_setstr(TypeError, |
| 163 | "first argument must be list/tuple of strings"); |
| 164 | return NULL; |
| 165 | } |
| 166 | if (i > 0) |
| 167 | reslen = reslen + seplen; |
| 168 | reslen = reslen + getstringsize(item); |
| 169 | } |
| 170 | if (seqlen == 1) { |
| 171 | /* Optimization if there's only one item */ |
| 172 | item = getitem(seq, 0); |
| 173 | INCREF(item); |
| 174 | return item; |
| 175 | } |
| 176 | res = newsizedstringobject((char *)NULL, reslen); |
| 177 | if (res == NULL) |
| 178 | return NULL; |
| 179 | p = getstringvalue(res); |
| 180 | for (i = 0; i < seqlen; i++) { |
| 181 | item = getitem(seq, i); |
| 182 | if (i > 0) { |
| 183 | memcpy(p, sep, seplen); |
| 184 | p += seplen; |
| 185 | } |
| 186 | itemlen = getstringsize(item); |
| 187 | memcpy(p, getstringvalue(item), itemlen); |
| 188 | p += itemlen; |
| 189 | } |
| 190 | if (p != getstringvalue(res) + reslen) { |
| 191 | err_setstr(SystemError, "strop.joinfields: assertion failed"); |
| 192 | return NULL; |
| 193 | } |
| 194 | return res; |
| 195 | } |
| 196 | |
| 197 | |
| 198 | static object * |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 199 | strop_index(self, args) |
| 200 | object *self; /* Not used */ |
| 201 | object *args; |
| 202 | { |
| 203 | char *s, *sub; |
| 204 | int len, n, i; |
| 205 | |
| 206 | if (getargs(args, "(s#s#i)", &s, &len, &sub, &n, &i)) { |
Guido van Rossum | ee9012f | 1993-10-26 15:23:55 +0000 | [diff] [blame] | 207 | if (i < 0) |
| 208 | i += len; |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 209 | if (i < 0 || i+n > len) { |
| 210 | err_setstr(ValueError, "start offset out of range"); |
| 211 | return NULL; |
| 212 | } |
| 213 | } |
| 214 | else { |
| 215 | err_clear(); |
| 216 | if (!getargs(args, "(s#s#)", &s, &len, &sub, &n)) |
| 217 | return NULL; |
| 218 | i = 0; |
| 219 | } |
| 220 | |
| 221 | if (n == 0) |
| 222 | return newintobject((long)i); |
| 223 | |
| 224 | len -= n; |
Guido van Rossum | ee9012f | 1993-10-26 15:23:55 +0000 | [diff] [blame] | 225 | for (; i <= len; ++i) |
| 226 | if (s[i] == sub[0] && |
| 227 | (n == 1 || strncmp(&s[i+1], &sub[1], n-1) == 0)) |
| 228 | return newintobject((long)i); |
| 229 | |
| 230 | err_setstr(ValueError, "substring not found"); |
| 231 | return NULL; |
| 232 | } |
| 233 | |
| 234 | |
| 235 | static object * |
| 236 | strop_rindex(self, args) |
| 237 | object *self; /* Not used */ |
| 238 | object *args; |
| 239 | { |
| 240 | char *s, *sub; |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 241 | int len, n, i, j; |
Guido van Rossum | ee9012f | 1993-10-26 15:23:55 +0000 | [diff] [blame] | 242 | |
| 243 | if (getargs(args, "(s#s#i)", &s, &len, &sub, &n, &i)) { |
| 244 | if (i < 0) |
| 245 | i += len; |
| 246 | if (i < 0 || i+n > len) { |
| 247 | err_setstr(ValueError, "start offset out of range"); |
| 248 | return NULL; |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 249 | } |
| 250 | } |
Guido van Rossum | ee9012f | 1993-10-26 15:23:55 +0000 | [diff] [blame] | 251 | else { |
| 252 | err_clear(); |
| 253 | if (!getargs(args, "(s#s#)", &s, &len, &sub, &n)) |
| 254 | return NULL; |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 255 | i = 0; |
Guido van Rossum | ee9012f | 1993-10-26 15:23:55 +0000 | [diff] [blame] | 256 | } |
| 257 | |
| 258 | if (n == 0) |
Guido van Rossum | c65a525 | 1994-08-05 13:44:50 +0000 | [diff] [blame^] | 259 | return newintobject((long)len); |
Guido van Rossum | ee9012f | 1993-10-26 15:23:55 +0000 | [diff] [blame] | 260 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 261 | for (j = len-n; j >= i; --j) |
| 262 | if (s[j] == sub[0] && |
| 263 | (n == 1 || strncmp(&s[j+1], &sub[1], n-1) == 0)) |
| 264 | return newintobject((long)j); |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 265 | |
| 266 | err_setstr(ValueError, "substring not found"); |
| 267 | return NULL; |
| 268 | } |
| 269 | |
| 270 | |
| 271 | static object * |
| 272 | strop_strip(self, args) |
| 273 | object *self; /* Not used */ |
| 274 | object *args; |
| 275 | { |
| 276 | char *s; |
| 277 | int len, i, j; |
| 278 | char c; |
| 279 | |
| 280 | if (!getargs(args, "s#", &s, &len)) |
| 281 | return NULL; |
| 282 | |
| 283 | i = 0; |
Guido van Rossum | d05eb8b | 1993-07-08 11:12:36 +0000 | [diff] [blame] | 284 | while (i < len && ((c = s[i]), isspace(c))) { |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 285 | i++; |
| 286 | } |
| 287 | |
| 288 | j = len; |
| 289 | do { |
| 290 | j--; |
Guido van Rossum | d05eb8b | 1993-07-08 11:12:36 +0000 | [diff] [blame] | 291 | } while (j >= i && ((c = s[j]), isspace(c))); |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 292 | j++; |
| 293 | |
| 294 | if (i == 0 && j == len) { |
| 295 | INCREF(args); |
| 296 | return args; |
| 297 | } |
| 298 | else |
| 299 | return newsizedstringobject(s+i, j-i); |
| 300 | } |
| 301 | |
| 302 | |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 303 | static object * |
| 304 | strop_lower(self, args) |
| 305 | object *self; /* Not used */ |
| 306 | object *args; |
| 307 | { |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 308 | char *s, *s_new; |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 309 | int i, n; |
| 310 | object *new; |
| 311 | int changed; |
| 312 | |
| 313 | if (!getargs(args, "s#", &s, &n)) |
| 314 | return NULL; |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 315 | new = newsizedstringobject(NULL, n); |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 316 | if (new == NULL) |
| 317 | return NULL; |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 318 | s_new = getstringvalue(new); |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 319 | changed = 0; |
| 320 | for (i = 0; i < n; i++) { |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 321 | char c = *s++; |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 322 | if (isupper(c)) { |
| 323 | changed = 1; |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 324 | *s_new = tolower(c); |
| 325 | } else |
| 326 | *s_new = c; |
| 327 | s_new++; |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 328 | } |
| 329 | if (!changed) { |
| 330 | DECREF(new); |
| 331 | INCREF(args); |
| 332 | return args; |
| 333 | } |
| 334 | return new; |
| 335 | } |
| 336 | |
| 337 | |
| 338 | static object * |
| 339 | strop_upper(self, args) |
| 340 | object *self; /* Not used */ |
| 341 | object *args; |
| 342 | { |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 343 | char *s, *s_new; |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 344 | int i, n; |
| 345 | object *new; |
| 346 | int changed; |
| 347 | |
| 348 | if (!getargs(args, "s#", &s, &n)) |
| 349 | return NULL; |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 350 | new = newsizedstringobject(NULL, n); |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 351 | if (new == NULL) |
| 352 | return NULL; |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 353 | s_new = getstringvalue(new); |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 354 | changed = 0; |
| 355 | for (i = 0; i < n; i++) { |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 356 | char c = *s++; |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 357 | if (islower(c)) { |
| 358 | changed = 1; |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 359 | *s_new = toupper(c); |
| 360 | } else |
| 361 | *s_new = c; |
| 362 | s_new++; |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 363 | } |
| 364 | if (!changed) { |
| 365 | DECREF(new); |
| 366 | INCREF(args); |
| 367 | return args; |
| 368 | } |
| 369 | return new; |
| 370 | } |
| 371 | |
| 372 | |
| 373 | static object * |
| 374 | strop_swapcase(self, args) |
| 375 | object *self; /* Not used */ |
| 376 | object *args; |
| 377 | { |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 378 | char *s, *s_new; |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 379 | int i, n; |
| 380 | object *new; |
| 381 | int changed; |
| 382 | |
| 383 | if (!getargs(args, "s#", &s, &n)) |
| 384 | return NULL; |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 385 | new = newsizedstringobject(NULL, n); |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 386 | if (new == NULL) |
| 387 | return NULL; |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 388 | s_new = getstringvalue(new); |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 389 | changed = 0; |
| 390 | for (i = 0; i < n; i++) { |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 391 | char c = *s++; |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 392 | if (islower(c)) { |
| 393 | changed = 1; |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 394 | *s_new = toupper(c); |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 395 | } |
| 396 | else if (isupper(c)) { |
| 397 | changed = 1; |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 398 | *s_new = tolower(c); |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 399 | } |
Sjoerd Mullender | 3bb8a05 | 1993-10-22 12:04:32 +0000 | [diff] [blame] | 400 | else |
| 401 | *s_new = c; |
| 402 | s_new++; |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 403 | } |
| 404 | if (!changed) { |
| 405 | DECREF(new); |
| 406 | INCREF(args); |
| 407 | return args; |
| 408 | } |
| 409 | return new; |
| 410 | } |
| 411 | |
| 412 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 413 | static object * |
| 414 | strop_atoi(self, args) |
| 415 | object *self; /* Not used */ |
| 416 | object *args; |
| 417 | { |
| 418 | extern long mystrtol PROTO((const char *, char **, int)); |
| 419 | extern unsigned long mystrtoul PROTO((const char *, char **, int)); |
| 420 | char *s, *end; |
| 421 | int base = 10; |
| 422 | long x; |
| 423 | |
| 424 | if (args != NULL && is_tupleobject(args)) { |
| 425 | if (!getargs(args, "(si)", &s, &base)) |
| 426 | return NULL; |
| 427 | if (base != 0 && base < 2 || base > 36) { |
| 428 | err_setstr(ValueError, "invalid base for atoi()"); |
| 429 | return NULL; |
| 430 | } |
| 431 | } |
| 432 | else if (!getargs(args, "s", &s)) |
| 433 | return NULL; |
| 434 | errno = 0; |
| 435 | if (base == 0 && s[0] == '0') |
| 436 | x = (long) mystrtoul(s, &end, base); |
| 437 | else |
| 438 | x = mystrtol(s, &end, base); |
| 439 | if (*end != '\0') { |
| 440 | err_setstr(ValueError, "invalid literal for atoi()"); |
| 441 | return NULL; |
| 442 | } |
| 443 | else if (errno != 0) { |
| 444 | err_setstr(OverflowError, "atoi() literal too large"); |
| 445 | return NULL; |
| 446 | } |
| 447 | return newintobject(x); |
| 448 | } |
| 449 | |
| 450 | |
| 451 | static object * |
| 452 | strop_atol(self, args) |
| 453 | object *self; /* Not used */ |
| 454 | object *args; |
| 455 | { |
| 456 | char *s, *end; |
| 457 | int base = 10; |
| 458 | object *x; |
| 459 | |
| 460 | if (args != NULL && is_tupleobject(args)) { |
| 461 | if (!getargs(args, "(si)", &s, &base)) |
| 462 | return NULL; |
| 463 | if (base != 0 && base < 2 || base > 36) { |
| 464 | err_setstr(ValueError, "invalid base for atol()"); |
| 465 | return NULL; |
| 466 | } |
| 467 | } |
| 468 | else if (!getargs(args, "s", &s)) |
| 469 | return NULL; |
| 470 | x = long_escan(s, &end, base); |
| 471 | if (x == NULL) |
| 472 | return NULL; |
| 473 | if (base == 0 && (*end == 'l' || *end == 'L')) |
| 474 | end++; |
| 475 | if (*end != '\0') { |
| 476 | err_setstr(ValueError, "invalid literal for atol()"); |
| 477 | DECREF(x); |
| 478 | return NULL; |
| 479 | } |
| 480 | return x; |
| 481 | } |
| 482 | |
| 483 | |
| 484 | static object * |
| 485 | strop_atof(self, args) |
| 486 | object *self; /* Not used */ |
| 487 | object *args; |
| 488 | { |
| 489 | extern double strtod PROTO((const char *, char **)); |
| 490 | char *s, *end; |
| 491 | double x; |
| 492 | |
| 493 | if (!getargs(args, "s", &s)) |
| 494 | return NULL; |
| 495 | errno = 0; |
| 496 | x = strtod(s, &end); |
| 497 | if (*end != '\0') { |
| 498 | err_setstr(ValueError, "invalid literal for atof()"); |
| 499 | return NULL; |
| 500 | } |
| 501 | else if (errno != 0) { |
| 502 | err_setstr(OverflowError, "atof() literal too large"); |
| 503 | return NULL; |
| 504 | } |
| 505 | return newfloatobject(x); |
| 506 | } |
| 507 | |
| 508 | |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 509 | /* List of functions defined in the module */ |
| 510 | |
| 511 | static struct methodlist strop_methods[] = { |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 512 | {"atof", strop_atof}, |
| 513 | {"atoi", strop_atoi}, |
| 514 | {"atol", strop_atol}, |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 515 | {"index", strop_index}, |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 516 | {"joinfields", strop_joinfields}, |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 517 | {"lower", strop_lower}, |
Guido van Rossum | ee9012f | 1993-10-26 15:23:55 +0000 | [diff] [blame] | 518 | {"rindex", strop_rindex}, |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 519 | {"split", strop_split}, |
| 520 | {"splitfields", strop_splitfields}, |
| 521 | {"strip", strop_strip}, |
Guido van Rossum | 5c85062 | 1992-09-11 23:55:51 +0000 | [diff] [blame] | 522 | {"swapcase", strop_swapcase}, |
| 523 | {"upper", strop_upper}, |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 524 | {NULL, NULL} /* sentinel */ |
| 525 | }; |
| 526 | |
| 527 | |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 528 | void |
| 529 | initstrop() |
| 530 | { |
Guido van Rossum | d05eb8b | 1993-07-08 11:12:36 +0000 | [diff] [blame] | 531 | object *m, *d, *s; |
| 532 | char buf[256]; |
| 533 | int c, n; |
| 534 | m = initmodule("strop", strop_methods); |
| 535 | d = getmoduledict(m); |
Guido van Rossum | e22e644 | 1993-07-09 10:51:31 +0000 | [diff] [blame] | 536 | |
| 537 | /* Create 'whitespace' object */ |
Guido van Rossum | d05eb8b | 1993-07-08 11:12:36 +0000 | [diff] [blame] | 538 | n = 0; |
| 539 | for (c = 1; c < 256; c++) { |
| 540 | if (isspace(c)) |
| 541 | buf[n++] = c; |
| 542 | } |
Sjoerd Mullender | d96ec44 | 1993-09-14 08:37:39 +0000 | [diff] [blame] | 543 | s = newsizedstringobject(buf, n); |
Guido van Rossum | e22e644 | 1993-07-09 10:51:31 +0000 | [diff] [blame] | 544 | if (s) { |
Guido van Rossum | e22e644 | 1993-07-09 10:51:31 +0000 | [diff] [blame] | 545 | dictinsert(d, "whitespace", s); |
| 546 | DECREF(s); |
| 547 | } |
| 548 | /* Create 'lowercase' object */ |
| 549 | n = 0; |
| 550 | for (c = 1; c < 256; c++) { |
| 551 | if (islower(c)) |
| 552 | buf[n++] = c; |
| 553 | } |
Guido van Rossum | d05eb8b | 1993-07-08 11:12:36 +0000 | [diff] [blame] | 554 | s = newsizedstringobject(buf, n); |
Guido van Rossum | e22e644 | 1993-07-09 10:51:31 +0000 | [diff] [blame] | 555 | if (s) { |
| 556 | dictinsert(d, "lowercase", s); |
| 557 | DECREF(s); |
| 558 | } |
| 559 | |
| 560 | /* Create 'uppercase' object */ |
| 561 | n = 0; |
| 562 | for (c = 1; c < 256; c++) { |
| 563 | if (isupper(c)) |
| 564 | buf[n++] = c; |
| 565 | } |
| 566 | s = newsizedstringobject(buf, n); |
| 567 | if (s) { |
| 568 | dictinsert(d, "uppercase", s); |
| 569 | DECREF(s); |
| 570 | } |
| 571 | |
| 572 | if (err_occurred()) |
| 573 | fatal("can't initialize module strop"); |
Guido van Rossum | e270b43 | 1992-09-03 20:21:07 +0000 | [diff] [blame] | 574 | } |