1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2013 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Tsukada Takuya <tsukada@fminn.nagano.nagano.jp> |
16 +----------------------------------------------------------------------+
17 */
18
19 /* $Id$ */
20
21
22 #ifdef HAVE_CONFIG_H
23 #include "config.h"
24 #endif
25
26 #include "php.h"
27 #include "php_ini.h"
28
29 #if HAVE_MBREGEX
30
31 #include "ext/standard/php_smart_str.h"
32 #include "ext/standard/info.h"
33 #include "php_mbregex.h"
34 #include "mbstring.h"
35
36 #include "php_onig_compat.h" /* must come prior to the oniguruma header */
37 #include <oniguruma.h>
38 #undef UChar
39
40 ZEND_EXTERN_MODULE_GLOBALS(mbstring)
41
42 struct _zend_mb_regex_globals {
43 OnigEncoding default_mbctype;
44 OnigEncoding current_mbctype;
45 HashTable ht_rc;
46 zval *search_str;
47 zval *search_str_val;
48 unsigned int search_pos;
49 php_mb_regex_t *search_re;
50 OnigRegion *search_regs;
51 OnigOptionType regex_default_options;
52 OnigSyntaxType *regex_default_syntax;
53 };
54
55 #define MBREX(g) (MBSTRG(mb_regex_globals)->g)
56
57 /* {{{ static void php_mb_regex_free_cache() */
php_mb_regex_free_cache(php_mb_regex_t ** pre)58 static void php_mb_regex_free_cache(php_mb_regex_t **pre)
59 {
60 onig_free(*pre);
61 }
62 /* }}} */
63
64 /* {{{ _php_mb_regex_globals_ctor */
_php_mb_regex_globals_ctor(zend_mb_regex_globals * pglobals TSRMLS_DC)65 static int _php_mb_regex_globals_ctor(zend_mb_regex_globals *pglobals TSRMLS_DC)
66 {
67 pglobals->default_mbctype = ONIG_ENCODING_EUC_JP;
68 pglobals->current_mbctype = ONIG_ENCODING_EUC_JP;
69 zend_hash_init(&(pglobals->ht_rc), 0, NULL, (void (*)(void *)) php_mb_regex_free_cache, 1);
70 pglobals->search_str = (zval*) NULL;
71 pglobals->search_re = (php_mb_regex_t*)NULL;
72 pglobals->search_pos = 0;
73 pglobals->search_regs = (OnigRegion*)NULL;
74 pglobals->regex_default_options = ONIG_OPTION_MULTILINE | ONIG_OPTION_SINGLELINE;
75 pglobals->regex_default_syntax = ONIG_SYNTAX_RUBY;
76 return SUCCESS;
77 }
78 /* }}} */
79
80 /* {{{ _php_mb_regex_globals_dtor */
_php_mb_regex_globals_dtor(zend_mb_regex_globals * pglobals TSRMLS_DC)81 static void _php_mb_regex_globals_dtor(zend_mb_regex_globals *pglobals TSRMLS_DC)
82 {
83 zend_hash_destroy(&pglobals->ht_rc);
84 }
85 /* }}} */
86
87 /* {{{ php_mb_regex_globals_alloc */
php_mb_regex_globals_alloc(TSRMLS_D)88 zend_mb_regex_globals *php_mb_regex_globals_alloc(TSRMLS_D)
89 {
90 zend_mb_regex_globals *pglobals = pemalloc(
91 sizeof(zend_mb_regex_globals), 1);
92 if (!pglobals) {
93 return NULL;
94 }
95 if (SUCCESS != _php_mb_regex_globals_ctor(pglobals TSRMLS_CC)) {
96 pefree(pglobals, 1);
97 return NULL;
98 }
99 return pglobals;
100 }
101 /* }}} */
102
103 /* {{{ php_mb_regex_globals_free */
php_mb_regex_globals_free(zend_mb_regex_globals * pglobals TSRMLS_DC)104 void php_mb_regex_globals_free(zend_mb_regex_globals *pglobals TSRMLS_DC)
105 {
106 if (!pglobals) {
107 return;
108 }
109 _php_mb_regex_globals_dtor(pglobals TSRMLS_CC);
110 pefree(pglobals, 1);
111 }
112 /* }}} */
113
114 /* {{{ PHP_MINIT_FUNCTION(mb_regex) */
PHP_MINIT_FUNCTION(mb_regex)115 PHP_MINIT_FUNCTION(mb_regex)
116 {
117 onig_init();
118 return SUCCESS;
119 }
120 /* }}} */
121
122 /* {{{ PHP_MSHUTDOWN_FUNCTION(mb_regex) */
PHP_MSHUTDOWN_FUNCTION(mb_regex)123 PHP_MSHUTDOWN_FUNCTION(mb_regex)
124 {
125 onig_end();
126 return SUCCESS;
127 }
128 /* }}} */
129
130 /* {{{ PHP_RINIT_FUNCTION(mb_regex) */
PHP_RINIT_FUNCTION(mb_regex)131 PHP_RINIT_FUNCTION(mb_regex)
132 {
133 return MBSTRG(mb_regex_globals) ? SUCCESS: FAILURE;
134 }
135 /* }}} */
136
137 /* {{{ PHP_RSHUTDOWN_FUNCTION(mb_regex) */
PHP_RSHUTDOWN_FUNCTION(mb_regex)138 PHP_RSHUTDOWN_FUNCTION(mb_regex)
139 {
140 MBREX(current_mbctype) = MBREX(default_mbctype);
141
142 if (MBREX(search_str) != NULL) {
143 zval_ptr_dtor(&MBREX(search_str));
144 MBREX(search_str) = (zval *)NULL;
145 }
146 MBREX(search_pos) = 0;
147
148 if (MBREX(search_regs) != NULL) {
149 onig_region_free(MBREX(search_regs), 1);
150 MBREX(search_regs) = (OnigRegion *)NULL;
151 }
152 zend_hash_clean(&MBREX(ht_rc));
153
154 return SUCCESS;
155 }
156 /* }}} */
157
158 /* {{{ PHP_MINFO_FUNCTION(mb_regex) */
PHP_MINFO_FUNCTION(mb_regex)159 PHP_MINFO_FUNCTION(mb_regex)
160 {
161 char buf[32];
162 php_info_print_table_start();
163 php_info_print_table_row(2, "Multibyte (japanese) regex support", "enabled");
164 snprintf(buf, sizeof(buf), "%d.%d.%d",
165 ONIGURUMA_VERSION_MAJOR,
166 ONIGURUMA_VERSION_MINOR,
167 ONIGURUMA_VERSION_TEENY);
168 #ifdef PHP_ONIG_BUNDLED
169 #ifdef USE_COMBINATION_EXPLOSION_CHECK
170 php_info_print_table_row(2, "Multibyte regex (oniguruma) backtrack check", "On");
171 #else /* USE_COMBINATION_EXPLOSION_CHECK */
172 php_info_print_table_row(2, "Multibyte regex (oniguruma) backtrack check", "Off");
173 #endif /* USE_COMBINATION_EXPLOSION_CHECK */
174 #endif /* PHP_BUNDLED_ONIG */
175 php_info_print_table_row(2, "Multibyte regex (oniguruma) version", buf);
176 php_info_print_table_end();
177 }
178 /* }}} */
179
180 /*
181 * encoding name resolver
182 */
183
184 /* {{{ encoding name map */
185 typedef struct _php_mb_regex_enc_name_map_t {
186 const char *names;
187 OnigEncoding code;
188 } php_mb_regex_enc_name_map_t;
189
190 php_mb_regex_enc_name_map_t enc_name_map[] = {
191 #ifdef ONIG_ENCODING_EUC_JP
192 {
193 "EUC-JP\0EUCJP\0X-EUC-JP\0UJIS\0EUCJP\0EUCJP-WIN\0",
194 ONIG_ENCODING_EUC_JP
195 },
196 #endif
197 #ifdef ONIG_ENCODING_UTF8
198 {
199 "UTF-8\0UTF8\0",
200 ONIG_ENCODING_UTF8
201 },
202 #endif
203 #ifdef ONIG_ENCODING_UTF16_BE
204 {
205 "UTF-16\0UTF-16BE\0",
206 ONIG_ENCODING_UTF16_BE
207 },
208 #endif
209 #ifdef ONIG_ENCODING_UTF16_LE
210 {
211 "UTF-16LE\0",
212 ONIG_ENCODING_UTF16_LE
213 },
214 #endif
215 #ifdef ONIG_ENCODING_UTF32_BE
216 {
217 "UCS-4\0UTF-32\0UTF-32BE\0",
218 ONIG_ENCODING_UTF32_BE
219 },
220 #endif
221 #ifdef ONIG_ENCODING_UTF32_LE
222 {
223 "UCS-4LE\0UTF-32LE\0",
224 ONIG_ENCODING_UTF32_LE
225 },
226 #endif
227 #ifdef ONIG_ENCODING_SJIS
228 {
229 "SJIS\0CP932\0MS932\0SHIFT_JIS\0SJIS-WIN\0WINDOWS-31J\0",
230 ONIG_ENCODING_SJIS
231 },
232 #endif
233 #ifdef ONIG_ENCODING_BIG5
234 {
235 "BIG5\0BIG-5\0BIGFIVE\0CN-BIG5\0BIG-FIVE\0",
236 ONIG_ENCODING_BIG5
237 },
238 #endif
239 #ifdef ONIG_ENCODING_EUC_CN
240 {
241 "EUC-CN\0EUCCN\0EUC_CN\0GB-2312\0GB2312\0",
242 ONIG_ENCODING_EUC_CN
243 },
244 #endif
245 #ifdef ONIG_ENCODING_EUC_TW
246 {
247 "EUC-TW\0EUCTW\0EUC_TW\0",
248 ONIG_ENCODING_EUC_TW
249 },
250 #endif
251 #ifdef ONIG_ENCODING_EUC_KR
252 {
253 "EUC-KR\0EUCKR\0EUC_KR\0",
254 ONIG_ENCODING_EUC_KR
255 },
256 #endif
257 #if defined(ONIG_ENCODING_KOI8) && !PHP_ONIG_BAD_KOI8_ENTRY
258 {
259 "KOI8\0KOI-8\0",
260 ONIG_ENCODING_KOI8
261 },
262 #endif
263 #ifdef ONIG_ENCODING_KOI8_R
264 {
265 "KOI8R\0KOI8-R\0KOI-8R\0",
266 ONIG_ENCODING_KOI8_R
267 },
268 #endif
269 #ifdef ONIG_ENCODING_ISO_8859_1
270 {
271 "ISO-8859-1\0ISO8859-1\0ISO_8859_1\0ISO8859_1\0",
272 ONIG_ENCODING_ISO_8859_1
273 },
274 #endif
275 #ifdef ONIG_ENCODING_ISO_8859_2
276 {
277 "ISO-8859-2\0ISO8859-2\0ISO_8859_2\0ISO8859_2\0",
278 ONIG_ENCODING_ISO_8859_2
279 },
280 #endif
281 #ifdef ONIG_ENCODING_ISO_8859_3
282 {
283 "ISO-8859-3\0ISO8859-3\0ISO_8859_3\0ISO8859_3\0",
284 ONIG_ENCODING_ISO_8859_3
285 },
286 #endif
287 #ifdef ONIG_ENCODING_ISO_8859_4
288 {
289 "ISO-8859-4\0ISO8859-4\0ISO_8859_4\0ISO8859_4\0",
290 ONIG_ENCODING_ISO_8859_4
291 },
292 #endif
293 #ifdef ONIG_ENCODING_ISO_8859_5
294 {
295 "ISO-8859-5\0ISO8859-5\0ISO_8859_5\0ISO8859_5\0",
296 ONIG_ENCODING_ISO_8859_5
297 },
298 #endif
299 #ifdef ONIG_ENCODING_ISO_8859_6
300 {
301 "ISO-8859-6\0ISO8859-6\0ISO_8859_6\0ISO8859_6\0",
302 ONIG_ENCODING_ISO_8859_6
303 },
304 #endif
305 #ifdef ONIG_ENCODING_ISO_8859_7
306 {
307 "ISO-8859-7\0ISO8859-7\0ISO_8859_7\0ISO8859_7\0",
308 ONIG_ENCODING_ISO_8859_7
309 },
310 #endif
311 #ifdef ONIG_ENCODING_ISO_8859_8
312 {
313 "ISO-8859-8\0ISO8859-8\0ISO_8859_8\0ISO8859_8\0",
314 ONIG_ENCODING_ISO_8859_8
315 },
316 #endif
317 #ifdef ONIG_ENCODING_ISO_8859_9
318 {
319 "ISO-8859-9\0ISO8859-9\0ISO_8859_9\0ISO8859_9\0",
320 ONIG_ENCODING_ISO_8859_9
321 },
322 #endif
323 #ifdef ONIG_ENCODING_ISO_8859_10
324 {
325 "ISO-8859-10\0ISO8859-10\0ISO_8859_10\0ISO8859_10\0",
326 ONIG_ENCODING_ISO_8859_10
327 },
328 #endif
329 #ifdef ONIG_ENCODING_ISO_8859_11
330 {
331 "ISO-8859-11\0ISO8859-11\0ISO_8859_11\0ISO8859_11\0",
332 ONIG_ENCODING_ISO_8859_11
333 },
334 #endif
335 #ifdef ONIG_ENCODING_ISO_8859_13
336 {
337 "ISO-8859-13\0ISO8859-13\0ISO_8859_13\0ISO8859_13\0",
338 ONIG_ENCODING_ISO_8859_13
339 },
340 #endif
341 #ifdef ONIG_ENCODING_ISO_8859_14
342 {
343 "ISO-8859-14\0ISO8859-14\0ISO_8859_14\0ISO8859_14\0",
344 ONIG_ENCODING_ISO_8859_14
345 },
346 #endif
347 #ifdef ONIG_ENCODING_ISO_8859_15
348 {
349 "ISO-8859-15\0ISO8859-15\0ISO_8859_15\0ISO8859_15\0",
350 ONIG_ENCODING_ISO_8859_15
351 },
352 #endif
353 #ifdef ONIG_ENCODING_ISO_8859_16
354 {
355 "ISO-8859-16\0ISO8859-16\0ISO_8859_16\0ISO8859_16\0",
356 ONIG_ENCODING_ISO_8859_16
357 },
358 #endif
359 #ifdef ONIG_ENCODING_ASCII
360 {
361 "ASCII\0US-ASCII\0US_ASCII\0ISO646\0",
362 ONIG_ENCODING_ASCII
363 },
364 #endif
365 { NULL, ONIG_ENCODING_UNDEF }
366 };
367 /* }}} */
368
369 /* {{{ php_mb_regex_name2mbctype */
_php_mb_regex_name2mbctype(const char * pname)370 static OnigEncoding _php_mb_regex_name2mbctype(const char *pname)
371 {
372 const char *p;
373 php_mb_regex_enc_name_map_t *mapping;
374
375 if (pname == NULL) {
376 return ONIG_ENCODING_UNDEF;
377 }
378
379 for (mapping = enc_name_map; mapping->names != NULL; mapping++) {
380 for (p = mapping->names; *p != '\0'; p += (strlen(p) + 1)) {
381 if (strcasecmp(p, pname) == 0) {
382 return mapping->code;
383 }
384 }
385 }
386
387 return ONIG_ENCODING_UNDEF;
388 }
389 /* }}} */
390
391 /* {{{ php_mb_regex_mbctype2name */
_php_mb_regex_mbctype2name(OnigEncoding mbctype)392 static const char *_php_mb_regex_mbctype2name(OnigEncoding mbctype)
393 {
394 php_mb_regex_enc_name_map_t *mapping;
395
396 for (mapping = enc_name_map; mapping->names != NULL; mapping++) {
397 if (mapping->code == mbctype) {
398 return mapping->names;
399 }
400 }
401
402 return NULL;
403 }
404 /* }}} */
405
406 /* {{{ php_mb_regex_set_mbctype */
php_mb_regex_set_mbctype(const char * encname TSRMLS_DC)407 int php_mb_regex_set_mbctype(const char *encname TSRMLS_DC)
408 {
409 OnigEncoding mbctype = _php_mb_regex_name2mbctype(encname);
410 if (mbctype == ONIG_ENCODING_UNDEF) {
411 return FAILURE;
412 }
413 MBREX(current_mbctype) = mbctype;
414 return SUCCESS;
415 }
416 /* }}} */
417
418 /* {{{ php_mb_regex_set_default_mbctype */
php_mb_regex_set_default_mbctype(const char * encname TSRMLS_DC)419 int php_mb_regex_set_default_mbctype(const char *encname TSRMLS_DC)
420 {
421 OnigEncoding mbctype = _php_mb_regex_name2mbctype(encname);
422 if (mbctype == ONIG_ENCODING_UNDEF) {
423 return FAILURE;
424 }
425 MBREX(default_mbctype) = mbctype;
426 return SUCCESS;
427 }
428 /* }}} */
429
430 /* {{{ php_mb_regex_get_mbctype */
php_mb_regex_get_mbctype(TSRMLS_D)431 const char *php_mb_regex_get_mbctype(TSRMLS_D)
432 {
433 return _php_mb_regex_mbctype2name(MBREX(current_mbctype));
434 }
435 /* }}} */
436
437 /* {{{ php_mb_regex_get_default_mbctype */
php_mb_regex_get_default_mbctype(TSRMLS_D)438 const char *php_mb_regex_get_default_mbctype(TSRMLS_D)
439 {
440 return _php_mb_regex_mbctype2name(MBREX(default_mbctype));
441 }
442 /* }}} */
443
444 /*
445 * regex cache
446 */
447 /* {{{ php_mbregex_compile_pattern */
php_mbregex_compile_pattern(const char * pattern,int patlen,OnigOptionType options,OnigEncoding enc,OnigSyntaxType * syntax TSRMLS_DC)448 static php_mb_regex_t *php_mbregex_compile_pattern(const char *pattern, int patlen, OnigOptionType options, OnigEncoding enc, OnigSyntaxType *syntax TSRMLS_DC)
449 {
450 int err_code = 0;
451 int found = 0;
452 php_mb_regex_t *retval = NULL, **rc = NULL;
453 OnigErrorInfo err_info;
454 OnigUChar err_str[ONIG_MAX_ERROR_MESSAGE_LEN];
455
456 found = zend_hash_find(&MBREX(ht_rc), (char *)pattern, patlen+1, (void **) &rc);
457 if (found == FAILURE || (*rc)->options != options || (*rc)->enc != enc || (*rc)->syntax != syntax) {
458 if ((err_code = onig_new(&retval, (OnigUChar *)pattern, (OnigUChar *)(pattern + patlen), options, enc, syntax, &err_info)) != ONIG_NORMAL) {
459 onig_error_code_to_str(err_str, err_code, err_info);
460 php_error_docref(NULL TSRMLS_CC, E_WARNING, "mbregex compile err: %s", err_str);
461 retval = NULL;
462 goto out;
463 }
464 zend_hash_update(&MBREX(ht_rc), (char *) pattern, patlen + 1, (void *) &retval, sizeof(retval), NULL);
465 } else if (found == SUCCESS) {
466 retval = *rc;
467 }
468 out:
469 return retval;
470 }
471 /* }}} */
472
473 /* {{{ _php_mb_regex_get_option_string */
_php_mb_regex_get_option_string(char * str,size_t len,OnigOptionType option,OnigSyntaxType * syntax)474 static size_t _php_mb_regex_get_option_string(char *str, size_t len, OnigOptionType option, OnigSyntaxType *syntax)
475 {
476 size_t len_left = len;
477 size_t len_req = 0;
478 char *p = str;
479 char c;
480
481 if ((option & ONIG_OPTION_IGNORECASE) != 0) {
482 if (len_left > 0) {
483 --len_left;
484 *(p++) = 'i';
485 }
486 ++len_req;
487 }
488
489 if ((option & ONIG_OPTION_EXTEND) != 0) {
490 if (len_left > 0) {
491 --len_left;
492 *(p++) = 'x';
493 }
494 ++len_req;
495 }
496
497 if ((option & (ONIG_OPTION_MULTILINE | ONIG_OPTION_SINGLELINE)) ==
498 (ONIG_OPTION_MULTILINE | ONIG_OPTION_SINGLELINE)) {
499 if (len_left > 0) {
500 --len_left;
501 *(p++) = 'p';
502 }
503 ++len_req;
504 } else {
505 if ((option & ONIG_OPTION_MULTILINE) != 0) {
506 if (len_left > 0) {
507 --len_left;
508 *(p++) = 'm';
509 }
510 ++len_req;
511 }
512
513 if ((option & ONIG_OPTION_SINGLELINE) != 0) {
514 if (len_left > 0) {
515 --len_left;
516 *(p++) = 's';
517 }
518 ++len_req;
519 }
520 }
521 if ((option & ONIG_OPTION_FIND_LONGEST) != 0) {
522 if (len_left > 0) {
523 --len_left;
524 *(p++) = 'l';
525 }
526 ++len_req;
527 }
528 if ((option & ONIG_OPTION_FIND_NOT_EMPTY) != 0) {
529 if (len_left > 0) {
530 --len_left;
531 *(p++) = 'n';
532 }
533 ++len_req;
534 }
535
536 c = 0;
537
538 if (syntax == ONIG_SYNTAX_JAVA) {
539 c = 'j';
540 } else if (syntax == ONIG_SYNTAX_GNU_REGEX) {
541 c = 'u';
542 } else if (syntax == ONIG_SYNTAX_GREP) {
543 c = 'g';
544 } else if (syntax == ONIG_SYNTAX_EMACS) {
545 c = 'c';
546 } else if (syntax == ONIG_SYNTAX_RUBY) {
547 c = 'r';
548 } else if (syntax == ONIG_SYNTAX_PERL) {
549 c = 'z';
550 } else if (syntax == ONIG_SYNTAX_POSIX_BASIC) {
551 c = 'b';
552 } else if (syntax == ONIG_SYNTAX_POSIX_EXTENDED) {
553 c = 'd';
554 }
555
556 if (c != 0) {
557 if (len_left > 0) {
558 --len_left;
559 *(p++) = c;
560 }
561 ++len_req;
562 }
563
564
565 if (len_left > 0) {
566 --len_left;
567 *(p++) = '\0';
568 }
569 ++len_req;
570 if (len < len_req) {
571 return len_req;
572 }
573
574 return 0;
575 }
576 /* }}} */
577
578 /* {{{ _php_mb_regex_init_options */
579 static void
_php_mb_regex_init_options(const char * parg,int narg,OnigOptionType * option,OnigSyntaxType ** syntax,int * eval)580 _php_mb_regex_init_options(const char *parg, int narg, OnigOptionType *option, OnigSyntaxType **syntax, int *eval)
581 {
582 int n;
583 char c;
584 int optm = 0;
585
586 *syntax = ONIG_SYNTAX_RUBY;
587
588 if (parg != NULL) {
589 n = 0;
590 while(n < narg) {
591 c = parg[n++];
592 switch (c) {
593 case 'i':
594 optm |= ONIG_OPTION_IGNORECASE;
595 break;
596 case 'x':
597 optm |= ONIG_OPTION_EXTEND;
598 break;
599 case 'm':
600 optm |= ONIG_OPTION_MULTILINE;
601 break;
602 case 's':
603 optm |= ONIG_OPTION_SINGLELINE;
604 break;
605 case 'p':
606 optm |= ONIG_OPTION_MULTILINE | ONIG_OPTION_SINGLELINE;
607 break;
608 case 'l':
609 optm |= ONIG_OPTION_FIND_LONGEST;
610 break;
611 case 'n':
612 optm |= ONIG_OPTION_FIND_NOT_EMPTY;
613 break;
614 case 'j':
615 *syntax = ONIG_SYNTAX_JAVA;
616 break;
617 case 'u':
618 *syntax = ONIG_SYNTAX_GNU_REGEX;
619 break;
620 case 'g':
621 *syntax = ONIG_SYNTAX_GREP;
622 break;
623 case 'c':
624 *syntax = ONIG_SYNTAX_EMACS;
625 break;
626 case 'r':
627 *syntax = ONIG_SYNTAX_RUBY;
628 break;
629 case 'z':
630 *syntax = ONIG_SYNTAX_PERL;
631 break;
632 case 'b':
633 *syntax = ONIG_SYNTAX_POSIX_BASIC;
634 break;
635 case 'd':
636 *syntax = ONIG_SYNTAX_POSIX_EXTENDED;
637 break;
638 case 'e':
639 if (eval != NULL) *eval = 1;
640 break;
641 default:
642 break;
643 }
644 }
645 if (option != NULL) *option|=optm;
646 }
647 }
648 /* }}} */
649
650 /*
651 * php funcions
652 */
653
654 /* {{{ proto string mb_regex_encoding([string encoding])
655 Returns the current encoding for regex as a string. */
PHP_FUNCTION(mb_regex_encoding)656 PHP_FUNCTION(mb_regex_encoding)
657 {
658 size_t argc = ZEND_NUM_ARGS();
659 char *encoding;
660 int encoding_len;
661 OnigEncoding mbctype;
662
663 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s", &encoding, &encoding_len) == FAILURE) {
664 return;
665 }
666
667 if (argc == 0) {
668 const char *retval = _php_mb_regex_mbctype2name(MBREX(current_mbctype));
669
670 if (retval == NULL) {
671 RETURN_FALSE;
672 }
673
674 RETURN_STRING((char *)retval, 1);
675 } else if (argc == 1) {
676 mbctype = _php_mb_regex_name2mbctype(encoding);
677
678 if (mbctype == ONIG_ENCODING_UNDEF) {
679 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown encoding \"%s\"", encoding);
680 RETURN_FALSE;
681 }
682
683 MBREX(current_mbctype) = mbctype;
684 RETURN_TRUE;
685 }
686 }
687 /* }}} */
688
689 /* {{{ _php_mb_regex_ereg_exec */
_php_mb_regex_ereg_exec(INTERNAL_FUNCTION_PARAMETERS,int icase)690 static void _php_mb_regex_ereg_exec(INTERNAL_FUNCTION_PARAMETERS, int icase)
691 {
692 zval **arg_pattern, *array;
693 char *string;
694 int string_len;
695 php_mb_regex_t *re;
696 OnigRegion *regs = NULL;
697 int i, match_len, beg, end;
698 OnigOptionType options;
699 char *str;
700
701 array = NULL;
702
703 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Zs|z", &arg_pattern, &string, &string_len, &array) == FAILURE) {
704 RETURN_FALSE;
705 }
706
707 options = MBREX(regex_default_options);
708 if (icase) {
709 options |= ONIG_OPTION_IGNORECASE;
710 }
711
712 /* compile the regular expression from the supplied regex */
713 if (Z_TYPE_PP(arg_pattern) != IS_STRING) {
714 /* we convert numbers to integers and treat them as a string */
715 if (Z_TYPE_PP(arg_pattern) == IS_DOUBLE) {
716 convert_to_long_ex(arg_pattern); /* get rid of decimal places */
717 }
718 convert_to_string_ex(arg_pattern);
719 /* don't bother doing an extended regex with just a number */
720 }
721
722 if (!Z_STRVAL_PP(arg_pattern) || Z_STRLEN_PP(arg_pattern) == 0) {
723 php_error_docref(NULL TSRMLS_CC, E_WARNING, "empty pattern");
724 RETVAL_FALSE;
725 goto out;
726 }
727
728 re = php_mbregex_compile_pattern(Z_STRVAL_PP(arg_pattern), Z_STRLEN_PP(arg_pattern), options, MBREX(current_mbctype), MBREX(regex_default_syntax) TSRMLS_CC);
729 if (re == NULL) {
730 RETVAL_FALSE;
731 goto out;
732 }
733
734 regs = onig_region_new();
735
736 /* actually execute the regular expression */
737 if (onig_search(re, (OnigUChar *)string, (OnigUChar *)(string + string_len), (OnigUChar *)string, (OnigUChar *)(string + string_len), regs, 0) < 0) {
738 RETVAL_FALSE;
739 goto out;
740 }
741
742 match_len = 1;
743 str = string;
744 if (array != NULL) {
745 match_len = regs->end[0] - regs->beg[0];
746 zval_dtor(array);
747 array_init(array);
748 for (i = 0; i < regs->num_regs; i++) {
749 beg = regs->beg[i];
750 end = regs->end[i];
751 if (beg >= 0 && beg < end && end <= string_len) {
752 add_index_stringl(array, i, (char *)&str[beg], end - beg, 1);
753 } else {
754 add_index_bool(array, i, 0);
755 }
756 }
757 }
758
759 if (match_len == 0) {
760 match_len = 1;
761 }
762 RETVAL_LONG(match_len);
763 out:
764 if (regs != NULL) {
765 onig_region_free(regs, 1);
766 }
767 }
768 /* }}} */
769
770 /* {{{ proto int mb_ereg(string pattern, string string [, array registers])
771 Regular expression match for multibyte string */
PHP_FUNCTION(mb_ereg)772 PHP_FUNCTION(mb_ereg)
773 {
774 _php_mb_regex_ereg_exec(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
775 }
776 /* }}} */
777
778 /* {{{ proto int mb_eregi(string pattern, string string [, array registers])
779 Case-insensitive regular expression match for multibyte string */
PHP_FUNCTION(mb_eregi)780 PHP_FUNCTION(mb_eregi)
781 {
782 _php_mb_regex_ereg_exec(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
783 }
784 /* }}} */
785
786 /* {{{ _php_mb_regex_ereg_replace_exec */
_php_mb_regex_ereg_replace_exec(INTERNAL_FUNCTION_PARAMETERS,OnigOptionType options)787 static void _php_mb_regex_ereg_replace_exec(INTERNAL_FUNCTION_PARAMETERS, OnigOptionType options)
788 {
789 zval **arg_pattern_zval;
790
791 char *arg_pattern;
792 int arg_pattern_len;
793
794 char *replace;
795 int replace_len;
796
797 char *string;
798 int string_len;
799
800 char *p;
801 php_mb_regex_t *re;
802 OnigSyntaxType *syntax;
803 OnigRegion *regs = NULL;
804 smart_str out_buf = { 0 };
805 smart_str eval_buf = { 0 };
806 smart_str *pbuf;
807 int i, err, eval, n;
808 OnigUChar *pos;
809 OnigUChar *string_lim;
810 char *description = NULL;
811 char pat_buf[2];
812
813 const mbfl_encoding *enc;
814
815 {
816 const char *current_enc_name;
817 current_enc_name = _php_mb_regex_mbctype2name(MBREX(current_mbctype));
818 if (current_enc_name == NULL ||
819 (enc = mbfl_name2encoding(current_enc_name)) == NULL) {
820 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown error");
821 RETURN_FALSE;
822 }
823 }
824 eval = 0;
825 {
826 char *option_str = NULL;
827 int option_str_len = 0;
828
829 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Zss|s",
830 &arg_pattern_zval,
831 &replace, &replace_len,
832 &string, &string_len,
833 &option_str, &option_str_len) == FAILURE) {
834 RETURN_FALSE;
835 }
836
837 if (option_str != NULL) {
838 _php_mb_regex_init_options(option_str, option_str_len, &options, &syntax, &eval);
839 } else {
840 options |= MBREX(regex_default_options);
841 syntax = MBREX(regex_default_syntax);
842 }
843 }
844 if (Z_TYPE_PP(arg_pattern_zval) == IS_STRING) {
845 arg_pattern = Z_STRVAL_PP(arg_pattern_zval);
846 arg_pattern_len = Z_STRLEN_PP(arg_pattern_zval);
847 } else {
848 /* FIXME: this code is not multibyte aware! */
849 convert_to_long_ex(arg_pattern_zval);
850 pat_buf[0] = (char)Z_LVAL_PP(arg_pattern_zval);
851 pat_buf[1] = '\0';
852
853 arg_pattern = pat_buf;
854 arg_pattern_len = 1;
855 }
856 /* create regex pattern buffer */
857 re = php_mbregex_compile_pattern(arg_pattern, arg_pattern_len, options, MBREX(current_mbctype), syntax TSRMLS_CC);
858 if (re == NULL) {
859 RETURN_FALSE;
860 }
861
862 if (eval) {
863 pbuf = &eval_buf;
864 description = zend_make_compiled_string_description("mbregex replace" TSRMLS_CC);
865 } else {
866 pbuf = &out_buf;
867 description = NULL;
868 }
869
870 /* do the actual work */
871 err = 0;
872 pos = (OnigUChar *)string;
873 string_lim = (OnigUChar*)(string + string_len);
874 regs = onig_region_new();
875 while (err >= 0) {
876 err = onig_search(re, (OnigUChar *)string, (OnigUChar *)string_lim, pos, (OnigUChar *)string_lim, regs, 0);
877 if (err <= -2) {
878 OnigUChar err_str[ONIG_MAX_ERROR_MESSAGE_LEN];
879 onig_error_code_to_str(err_str, err);
880 php_error_docref(NULL TSRMLS_CC, E_WARNING, "mbregex search failure in php_mbereg_replace_exec(): %s", err_str);
881 break;
882 }
883 if (err >= 0) {
884 #if moriyoshi_0
885 if (regs->beg[0] == regs->end[0]) {
886 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Empty regular expression");
887 break;
888 }
889 #endif
890 /* copy the part of the string before the match */
891 smart_str_appendl(&out_buf, pos, (size_t)((OnigUChar *)(string + regs->beg[0]) - pos));
892 /* copy replacement and backrefs */
893 i = 0;
894 p = replace;
895 while (i < replace_len) {
896 int fwd = (int) php_mb_mbchar_bytes_ex(p, enc);
897 n = -1;
898 if ((replace_len - i) >= 2 && fwd == 1 &&
899 p[0] == '\\' && p[1] >= '0' && p[1] <= '9') {
900 n = p[1] - '0';
901 }
902 if (n >= 0 && n < regs->num_regs) {
903 if (regs->beg[n] >= 0 && regs->beg[n] < regs->end[n] && regs->end[n] <= string_len) {
904 smart_str_appendl(pbuf, string + regs->beg[n], regs->end[n] - regs->beg[n]);
905 }
906 p += 2;
907 i += 2;
908 } else {
909 smart_str_appendl(pbuf, p, fwd);
910 p += fwd;
911 i += fwd;
912 }
913 }
914 if (eval) {
915 zval v;
916 /* null terminate buffer */
917 smart_str_0(&eval_buf);
918 /* do eval */
919 if (zend_eval_stringl(eval_buf.c, eval_buf.len, &v, description TSRMLS_CC) == FAILURE) {
920 efree(description);
921 php_error_docref(NULL TSRMLS_CC,E_ERROR, "Failed evaluating code: %s%s", PHP_EOL, eval_buf.c);
922 /* zend_error() does not return in this case */
923 }
924
925 /* result of eval */
926 convert_to_string(&v);
927 smart_str_appendl(&out_buf, Z_STRVAL(v), Z_STRLEN(v));
928 /* Clean up */
929 eval_buf.len = 0;
930 zval_dtor(&v);
931 }
932 n = regs->end[0];
933 if ((pos - (OnigUChar *)string) < n) {
934 pos = (OnigUChar *)string + n;
935 } else {
936 if (pos < string_lim) {
937 smart_str_appendl(&out_buf, pos, 1);
938 }
939 pos++;
940 }
941 } else { /* nomatch */
942 /* stick that last bit of string on our output */
943 if (string_lim - pos > 0) {
944 smart_str_appendl(&out_buf, pos, string_lim - pos);
945 }
946 }
947 onig_region_free(regs, 0);
948 }
949
950 if (description) {
951 efree(description);
952 }
953 if (regs != NULL) {
954 onig_region_free(regs, 1);
955 }
956 smart_str_free(&eval_buf);
957
958 if (err <= -2) {
959 smart_str_free(&out_buf);
960 RETVAL_FALSE;
961 } else {
962 smart_str_appendc(&out_buf, '\0');
963 RETVAL_STRINGL((char *)out_buf.c, out_buf.len - 1, 0);
964 }
965 }
966 /* }}} */
967
968 /* {{{ proto string mb_ereg_replace(string pattern, string replacement, string string [, string option])
969 Replace regular expression for multibyte string */
PHP_FUNCTION(mb_ereg_replace)970 PHP_FUNCTION(mb_ereg_replace)
971 {
972 _php_mb_regex_ereg_replace_exec(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
973 }
974 /* }}} */
975
976 /* {{{ proto string mb_eregi_replace(string pattern, string replacement, string string)
977 Case insensitive replace regular expression for multibyte string */
PHP_FUNCTION(mb_eregi_replace)978 PHP_FUNCTION(mb_eregi_replace)
979 {
980 _php_mb_regex_ereg_replace_exec(INTERNAL_FUNCTION_PARAM_PASSTHRU, ONIG_OPTION_IGNORECASE);
981 }
982 /* }}} */
983
984 /* {{{ proto array mb_split(string pattern, string string [, int limit])
985 split multibyte string into array by regular expression */
PHP_FUNCTION(mb_split)986 PHP_FUNCTION(mb_split)
987 {
988 char *arg_pattern;
989 int arg_pattern_len;
990 php_mb_regex_t *re;
991 OnigRegion *regs = NULL;
992 char *string;
993 OnigUChar *pos;
994 int string_len;
995
996 int n, err;
997 long count = -1;
998
999 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|l", &arg_pattern, &arg_pattern_len, &string, &string_len, &count) == FAILURE) {
1000 RETURN_FALSE;
1001 }
1002
1003 if (count == 0) {
1004 count = 1;
1005 }
1006
1007 /* create regex pattern buffer */
1008 if ((re = php_mbregex_compile_pattern(arg_pattern, arg_pattern_len, MBREX(regex_default_options), MBREX(current_mbctype), MBREX(regex_default_syntax) TSRMLS_CC)) == NULL) {
1009 RETURN_FALSE;
1010 }
1011
1012 array_init(return_value);
1013
1014 pos = (OnigUChar *)string;
1015 err = 0;
1016 regs = onig_region_new();
1017 /* churn through str, generating array entries as we go */
1018 while ((--count != 0) &&
1019 (err = onig_search(re, (OnigUChar *)string, (OnigUChar *)(string + string_len), pos, (OnigUChar *)(string + string_len), regs, 0)) >= 0) {
1020 if (regs->beg[0] == regs->end[0]) {
1021 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Empty regular expression");
1022 break;
1023 }
1024
1025 /* add it to the array */
1026 if (regs->beg[0] < string_len && regs->beg[0] >= (pos - (OnigUChar *)string)) {
1027 add_next_index_stringl(return_value, (char *)pos, ((OnigUChar *)(string + regs->beg[0]) - pos), 1);
1028 } else {
1029 err = -2;
1030 break;
1031 }
1032 /* point at our new starting point */
1033 n = regs->end[0];
1034 if ((pos - (OnigUChar *)string) < n) {
1035 pos = (OnigUChar *)string + n;
1036 }
1037 if (count < 0) {
1038 count = 0;
1039 }
1040 onig_region_free(regs, 0);
1041 }
1042
1043 onig_region_free(regs, 1);
1044
1045 /* see if we encountered an error */
1046 if (err <= -2) {
1047 OnigUChar err_str[ONIG_MAX_ERROR_MESSAGE_LEN];
1048 onig_error_code_to_str(err_str, err);
1049 php_error_docref(NULL TSRMLS_CC, E_WARNING, "mbregex search failure in mbsplit(): %s", err_str);
1050 zval_dtor(return_value);
1051 RETURN_FALSE;
1052 }
1053
1054 /* otherwise we just have one last element to add to the array */
1055 n = ((OnigUChar *)(string + string_len) - pos);
1056 if (n > 0) {
1057 add_next_index_stringl(return_value, (char *)pos, n, 1);
1058 } else {
1059 add_next_index_stringl(return_value, "", 0, 1);
1060 }
1061 }
1062 /* }}} */
1063
1064 /* {{{ proto bool mb_ereg_match(string pattern, string string [,string option])
1065 Regular expression match for multibyte string */
PHP_FUNCTION(mb_ereg_match)1066 PHP_FUNCTION(mb_ereg_match)
1067 {
1068 char *arg_pattern;
1069 int arg_pattern_len;
1070
1071 char *string;
1072 int string_len;
1073
1074 php_mb_regex_t *re;
1075 OnigSyntaxType *syntax;
1076 OnigOptionType option = 0;
1077 int err;
1078
1079 {
1080 char *option_str = NULL;
1081 int option_str_len = 0;
1082
1083 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss|s",
1084 &arg_pattern, &arg_pattern_len, &string, &string_len,
1085 &option_str, &option_str_len)==FAILURE) {
1086 RETURN_FALSE;
1087 }
1088
1089 if (option_str != NULL) {
1090 _php_mb_regex_init_options(option_str, option_str_len, &option, &syntax, NULL);
1091 } else {
1092 option |= MBREX(regex_default_options);
1093 syntax = MBREX(regex_default_syntax);
1094 }
1095 }
1096
1097 if ((re = php_mbregex_compile_pattern(arg_pattern, arg_pattern_len, option, MBREX(current_mbctype), syntax TSRMLS_CC)) == NULL) {
1098 RETURN_FALSE;
1099 }
1100
1101 /* match */
1102 err = onig_match(re, (OnigUChar *)string, (OnigUChar *)(string + string_len), (OnigUChar *)string, NULL, 0);
1103 if (err >= 0) {
1104 RETVAL_TRUE;
1105 } else {
1106 RETVAL_FALSE;
1107 }
1108 }
1109 /* }}} */
1110
1111 /* regex search */
1112 /* {{{ _php_mb_regex_ereg_search_exec */
1113 static void
_php_mb_regex_ereg_search_exec(INTERNAL_FUNCTION_PARAMETERS,int mode)1114 _php_mb_regex_ereg_search_exec(INTERNAL_FUNCTION_PARAMETERS, int mode)
1115 {
1116 size_t argc = ZEND_NUM_ARGS();
1117 char *arg_pattern, *arg_options;
1118 int arg_pattern_len, arg_options_len;
1119 int n, i, err, pos, len, beg, end;
1120 OnigOptionType option;
1121 OnigUChar *str;
1122 OnigSyntaxType *syntax;
1123
1124 if (zend_parse_parameters(argc TSRMLS_CC, "|ss", &arg_pattern, &arg_pattern_len, &arg_options, &arg_options_len) == FAILURE) {
1125 return;
1126 }
1127
1128 option = MBREX(regex_default_options);
1129
1130 if (argc == 2) {
1131 option = 0;
1132 _php_mb_regex_init_options(arg_options, arg_options_len, &option, &syntax, NULL);
1133 }
1134
1135 if (argc > 0) {
1136 /* create regex pattern buffer */
1137 if ((MBREX(search_re) = php_mbregex_compile_pattern(arg_pattern, arg_pattern_len, option, MBREX(current_mbctype), MBREX(regex_default_syntax) TSRMLS_CC)) == NULL) {
1138 RETURN_FALSE;
1139 }
1140 }
1141
1142 pos = MBREX(search_pos);
1143 str = NULL;
1144 len = 0;
1145 if (MBREX(search_str) != NULL && Z_TYPE_P(MBREX(search_str)) == IS_STRING){
1146 str = (OnigUChar *)Z_STRVAL_P(MBREX(search_str));
1147 len = Z_STRLEN_P(MBREX(search_str));
1148 }
1149
1150 if (MBREX(search_re) == NULL) {
1151 php_error_docref(NULL TSRMLS_CC, E_WARNING, "No regex given");
1152 RETURN_FALSE;
1153 }
1154
1155 if (str == NULL) {
1156 php_error_docref(NULL TSRMLS_CC, E_WARNING, "No string given");
1157 RETURN_FALSE;
1158 }
1159
1160 if (MBREX(search_regs)) {
1161 onig_region_free(MBREX(search_regs), 1);
1162 }
1163 MBREX(search_regs) = onig_region_new();
1164
1165 err = onig_search(MBREX(search_re), str, str + len, str + pos, str + len, MBREX(search_regs), 0);
1166 if (err == ONIG_MISMATCH) {
1167 MBREX(search_pos) = len;
1168 RETVAL_FALSE;
1169 } else if (err <= -2) {
1170 OnigUChar err_str[ONIG_MAX_ERROR_MESSAGE_LEN];
1171 onig_error_code_to_str(err_str, err);
1172 php_error_docref(NULL TSRMLS_CC, E_WARNING, "mbregex search failure in mbregex_search(): %s", err_str);
1173 RETVAL_FALSE;
1174 } else {
1175 if (MBREX(search_regs)->beg[0] == MBREX(search_regs)->end[0]) {
1176 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Empty regular expression");
1177 }
1178 switch (mode) {
1179 case 1:
1180 array_init(return_value);
1181 beg = MBREX(search_regs)->beg[0];
1182 end = MBREX(search_regs)->end[0];
1183 add_next_index_long(return_value, beg);
1184 add_next_index_long(return_value, end - beg);
1185 break;
1186 case 2:
1187 array_init(return_value);
1188 n = MBREX(search_regs)->num_regs;
1189 for (i = 0; i < n; i++) {
1190 beg = MBREX(search_regs)->beg[i];
1191 end = MBREX(search_regs)->end[i];
1192 if (beg >= 0 && beg <= end && end <= len) {
1193 add_index_stringl(return_value, i, (char *)&str[beg], end - beg, 1);
1194 } else {
1195 add_index_bool(return_value, i, 0);
1196 }
1197 }
1198 break;
1199 default:
1200 RETVAL_TRUE;
1201 break;
1202 }
1203 end = MBREX(search_regs)->end[0];
1204 if (pos < end) {
1205 MBREX(search_pos) = end;
1206 } else {
1207 MBREX(search_pos) = pos + 1;
1208 }
1209 }
1210
1211 if (err < 0) {
1212 onig_region_free(MBREX(search_regs), 1);
1213 MBREX(search_regs) = (OnigRegion *)NULL;
1214 }
1215 }
1216 /* }}} */
1217
1218 /* {{{ proto bool mb_ereg_search([string pattern[, string option]])
1219 Regular expression search for multibyte string */
PHP_FUNCTION(mb_ereg_search)1220 PHP_FUNCTION(mb_ereg_search)
1221 {
1222 _php_mb_regex_ereg_search_exec(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
1223 }
1224 /* }}} */
1225
1226 /* {{{ proto array mb_ereg_search_pos([string pattern[, string option]])
1227 Regular expression search for multibyte string */
PHP_FUNCTION(mb_ereg_search_pos)1228 PHP_FUNCTION(mb_ereg_search_pos)
1229 {
1230 _php_mb_regex_ereg_search_exec(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
1231 }
1232 /* }}} */
1233
1234 /* {{{ proto array mb_ereg_search_regs([string pattern[, string option]])
1235 Regular expression search for multibyte string */
PHP_FUNCTION(mb_ereg_search_regs)1236 PHP_FUNCTION(mb_ereg_search_regs)
1237 {
1238 _php_mb_regex_ereg_search_exec(INTERNAL_FUNCTION_PARAM_PASSTHRU, 2);
1239 }
1240 /* }}} */
1241
1242 /* {{{ proto bool mb_ereg_search_init(string string [, string pattern[, string option]])
1243 Initialize string and regular expression for search. */
PHP_FUNCTION(mb_ereg_search_init)1244 PHP_FUNCTION(mb_ereg_search_init)
1245 {
1246 size_t argc = ZEND_NUM_ARGS();
1247 zval *arg_str;
1248 char *arg_pattern = NULL, *arg_options = NULL;
1249 int arg_pattern_len = 0, arg_options_len = 0;
1250 OnigSyntaxType *syntax = NULL;
1251 OnigOptionType option;
1252
1253 if (zend_parse_parameters(argc TSRMLS_CC, "z|ss", &arg_str, &arg_pattern, &arg_pattern_len, &arg_options, &arg_options_len) == FAILURE) {
1254 return;
1255 }
1256
1257 if (argc > 1 && arg_pattern_len == 0) {
1258 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Empty pattern");
1259 RETURN_FALSE;
1260 }
1261
1262 option = MBREX(regex_default_options);
1263 syntax = MBREX(regex_default_syntax);
1264
1265 if (argc == 3) {
1266 option = 0;
1267 _php_mb_regex_init_options(arg_options, arg_options_len, &option, &syntax, NULL);
1268 }
1269
1270 if (argc > 1) {
1271 /* create regex pattern buffer */
1272 if ((MBREX(search_re) = php_mbregex_compile_pattern(arg_pattern, arg_pattern_len, option, MBREX(current_mbctype), syntax TSRMLS_CC)) == NULL) {
1273 RETURN_FALSE;
1274 }
1275 }
1276
1277 if (MBREX(search_str) != NULL) {
1278 zval_ptr_dtor(&MBREX(search_str));
1279 MBREX(search_str) = (zval *)NULL;
1280 }
1281
1282 MBREX(search_str) = arg_str;
1283 Z_ADDREF_P(MBREX(search_str));
1284 SEPARATE_ZVAL_IF_NOT_REF(&MBREX(search_str));
1285
1286 MBREX(search_pos) = 0;
1287
1288 if (MBREX(search_regs) != NULL) {
1289 onig_region_free(MBREX(search_regs), 1);
1290 MBREX(search_regs) = (OnigRegion *) NULL;
1291 }
1292
1293 RETURN_TRUE;
1294 }
1295 /* }}} */
1296
1297 /* {{{ proto array mb_ereg_search_getregs(void)
1298 Get matched substring of the last time */
PHP_FUNCTION(mb_ereg_search_getregs)1299 PHP_FUNCTION(mb_ereg_search_getregs)
1300 {
1301 int n, i, len, beg, end;
1302 OnigUChar *str;
1303
1304 if (MBREX(search_regs) != NULL && Z_TYPE_P(MBREX(search_str)) == IS_STRING && Z_STRVAL_P(MBREX(search_str)) != NULL) {
1305 array_init(return_value);
1306
1307 str = (OnigUChar *)Z_STRVAL_P(MBREX(search_str));
1308 len = Z_STRLEN_P(MBREX(search_str));
1309 n = MBREX(search_regs)->num_regs;
1310 for (i = 0; i < n; i++) {
1311 beg = MBREX(search_regs)->beg[i];
1312 end = MBREX(search_regs)->end[i];
1313 if (beg >= 0 && beg <= end && end <= len) {
1314 add_index_stringl(return_value, i, (char *)&str[beg], end - beg, 1);
1315 } else {
1316 add_index_bool(return_value, i, 0);
1317 }
1318 }
1319 } else {
1320 RETVAL_FALSE;
1321 }
1322 }
1323 /* }}} */
1324
1325 /* {{{ proto int mb_ereg_search_getpos(void)
1326 Get search start position */
PHP_FUNCTION(mb_ereg_search_getpos)1327 PHP_FUNCTION(mb_ereg_search_getpos)
1328 {
1329 RETVAL_LONG(MBREX(search_pos));
1330 }
1331 /* }}} */
1332
1333 /* {{{ proto bool mb_ereg_search_setpos(int position)
1334 Set search start position */
PHP_FUNCTION(mb_ereg_search_setpos)1335 PHP_FUNCTION(mb_ereg_search_setpos)
1336 {
1337 long position;
1338
1339 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &position) == FAILURE) {
1340 return;
1341 }
1342
1343 if (position < 0 || (MBREX(search_str) != NULL && Z_TYPE_P(MBREX(search_str)) == IS_STRING && position >= Z_STRLEN_P(MBREX(search_str)))) {
1344 php_error_docref(NULL TSRMLS_CC, E_WARNING, "Position is out of range");
1345 MBREX(search_pos) = 0;
1346 RETURN_FALSE;
1347 }
1348
1349 MBREX(search_pos) = position;
1350 RETURN_TRUE;
1351 }
1352 /* }}} */
1353
1354 /* {{{ php_mb_regex_set_options */
_php_mb_regex_set_options(OnigOptionType options,OnigSyntaxType * syntax,OnigOptionType * prev_options,OnigSyntaxType ** prev_syntax TSRMLS_DC)1355 static void _php_mb_regex_set_options(OnigOptionType options, OnigSyntaxType *syntax, OnigOptionType *prev_options, OnigSyntaxType **prev_syntax TSRMLS_DC)
1356 {
1357 if (prev_options != NULL) {
1358 *prev_options = MBREX(regex_default_options);
1359 }
1360 if (prev_syntax != NULL) {
1361 *prev_syntax = MBREX(regex_default_syntax);
1362 }
1363 MBREX(regex_default_options) = options;
1364 MBREX(regex_default_syntax) = syntax;
1365 }
1366 /* }}} */
1367
1368 /* {{{ proto string mb_regex_set_options([string options])
1369 Set or get the default options for mbregex functions */
PHP_FUNCTION(mb_regex_set_options)1370 PHP_FUNCTION(mb_regex_set_options)
1371 {
1372 OnigOptionType opt;
1373 OnigSyntaxType *syntax;
1374 char *string = NULL;
1375 int string_len;
1376 char buf[16];
1377
1378 if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|s",
1379 &string, &string_len) == FAILURE) {
1380 RETURN_FALSE;
1381 }
1382 if (string != NULL) {
1383 opt = 0;
1384 syntax = NULL;
1385 _php_mb_regex_init_options(string, string_len, &opt, &syntax, NULL);
1386 _php_mb_regex_set_options(opt, syntax, NULL, NULL TSRMLS_CC);
1387 } else {
1388 opt = MBREX(regex_default_options);
1389 syntax = MBREX(regex_default_syntax);
1390 }
1391 _php_mb_regex_get_option_string(buf, sizeof(buf), opt, syntax);
1392
1393 RETVAL_STRING(buf, 1);
1394 }
1395 /* }}} */
1396
1397 #endif /* HAVE_MBREGEX */
1398
1399 /*
1400 * Local variables:
1401 * tab-width: 4
1402 * c-basic-offset: 4
1403 * End:
1404 * vim600: fdm=marker
1405 * vim: noet sw=4 ts=4
1406 */
1407
