1 /*
2 +----------------------------------------------------------------------+
3 | This source file is subject to version 3.01 of the PHP license, |
4 | that is bundled with this package in the file LICENSE, and is |
5 | available through the world-wide-web at the following url: |
6 | https://www.php.net/license/3_01.txt |
7 | If you did not receive a copy of the PHP license and are unable to |
8 | obtain it through the world-wide-web, please send a note to |
9 | license@php.net so we can mail you a copy immediately. |
10 +----------------------------------------------------------------------+
11 | Authors: Kirti Velankar <kirtig@yahoo-inc.com> |
12 +----------------------------------------------------------------------+
13 */
14
15 #ifdef HAVE_CONFIG_H
16 #include "config.h"
17 #endif
18
19 #include <unicode/ustring.h>
20 #include <unicode/udata.h>
21 #include <unicode/putil.h>
22 #include <unicode/ures.h>
23
24 #include "php_intl.h"
25 #include "locale.h"
26 #include "locale_class.h"
27 #include "intl_convert.h"
28 #include "intl_data.h"
29
30 #include <zend_API.h>
31 #include <zend.h>
32 #include <php.h>
33 #include "main/php_ini.h"
34 #include "zend_smart_str.h"
35
36 ZEND_EXTERN_MODULE_GLOBALS( intl )
37
38 /* Sizes required for the strings "variant15" , "extlang11", "private12" etc. */
39 #define SEPARATOR "_"
40 #define SEPARATOR1 "-"
41 #define DELIMITER "-_"
42 #define EXTLANG_PREFIX "a"
43 #define PRIVATE_PREFIX "x"
44 #define DISP_NAME "name"
45
46 #define MAX_NO_VARIANT 15
47 #define MAX_NO_EXTLANG 3
48 #define MAX_NO_PRIVATE 15
49 #define MAX_NO_LOOKUP_LANG_TAG 100
50
51 #define LOC_NOT_FOUND 1
52
53 /* Sizes required for the strings "variant15" , "extlang3", "private12" etc. */
54 #define VARIANT_KEYNAME_LEN 11
55 #define EXTLANG_KEYNAME_LEN 10
56 #define PRIVATE_KEYNAME_LEN 11
57
58 /* Based on IANA registry at the time of writing this code
59 *
60 */
61 static const char * const LOC_GRANDFATHERED[] = {
62 "art-lojban", "i-klingon", "i-lux", "i-navajo", "no-bok", "no-nyn",
63 "cel-gaulish", "en-GB-oed", "i-ami",
64 "i-bnn", "i-default", "i-enochian",
65 "i-mingo", "i-pwn", "i-tao",
66 "i-tay", "i-tsu", "sgn-BE-fr",
67 "sgn-BE-nl", "sgn-CH-de", "zh-cmn",
68 "zh-cmn-Hans", "zh-cmn-Hant", "zh-gan" ,
69 "zh-guoyu", "zh-hakka", "zh-min",
70 "zh-min-nan", "zh-wuu", "zh-xiang",
71 "zh-yue", NULL
72 };
73
74 /* Based on IANA registry at the time of writing this code
75 * This array lists the preferred values for the grandfathered tags if applicable
76 * This is in sync with the array LOC_GRANDFATHERED
77 * e.g. the offsets of the grandfathered tags match the offset of the preferred value
78 */
79 static const int LOC_PREFERRED_GRANDFATHERED_LEN = 6;
80 static const char * const LOC_PREFERRED_GRANDFATHERED[] = {
81 "jbo", "tlh", "lb",
82 "nv", "nb", "nn",
83 NULL
84 };
85
86 /* returns true if a is an ID separator, false otherwise */
87 #define isIDSeparator(a) (a == '_' || a == '-')
88 #define isKeywordSeparator(a) (a == '@' )
89 #define isEndOfTag(a) (a == '\0' )
90
91 #define isPrefixLetter(a) ((a=='x')||(a=='X')||(a=='i')||(a=='I'))
92
93 /*returns true if one of the special prefixes is here (s=string)
94 'x-' or 'i-' */
95 #define isIDPrefix(s) (isPrefixLetter(s[0])&&isIDSeparator(s[1]))
96 #define isKeywordPrefix(s) ( isKeywordSeparator(s[0]) )
97
98 /* Dot terminates it because of POSIX form where dot precedes the codepage
99 * except for variant */
100 #define isTerminator(a) ((a==0)||(a=='.')||(a=='@'))
101
102 /* {{{ return the offset of 'key' in the array 'list'.
103 * returns -1 if not present */
findOffset(const char * const * list,const char * key)104 static int16_t findOffset(const char* const* list, const char* key)
105 {
106 const char* const* anchor = list;
107 while (*list != NULL) {
108 if (strcmp(key, *list) == 0) {
109 return (int16_t)(list - anchor);
110 }
111 list++;
112 }
113
114 return -1;
115
116 }
117 /*}}}*/
118
getPreferredTag(const char * gf_tag)119 static char* getPreferredTag(const char* gf_tag)
120 {
121 char* result = NULL;
122 zend_off_t grOffset = 0;
123
124 grOffset = findOffset( LOC_GRANDFATHERED ,gf_tag);
125 if(grOffset < 0) {
126 return NULL;
127 }
128 if( grOffset < LOC_PREFERRED_GRANDFATHERED_LEN ){
129 /* return preferred tag */
130 result = estrdup( LOC_PREFERRED_GRANDFATHERED[grOffset] );
131 } else {
132 /* Return correct grandfathered language tag */
133 result = estrdup( LOC_GRANDFATHERED[grOffset] );
134 }
135 return result;
136 }
137
138 /* {{{
139 * returns the position of next token for lookup
140 * or -1 if no token
141 * strtokr equivalent search for token in reverse direction
142 */
getStrrtokenPos(char * str,zend_off_t savedPos)143 static zend_off_t getStrrtokenPos(char* str, zend_off_t savedPos)
144 {
145 zend_off_t result =-1;
146 zend_off_t i;
147
148 for(i=savedPos-1; i>=0; i--) {
149 if(isIDSeparator(*(str+i)) || isKeywordSeparator(*(str+i))){
150 /* delimiter found; check for singleton */
151 if(i>=2 && isIDSeparator(*(str+i-2)) ){
152 /* a singleton; so send the position of token before the singleton */
153 result = i-2;
154 } else {
155 result = i;
156 }
157 break;
158 }
159 }
160 if(result < 1){
161 /* Just in case inavlid locale e.g. '-x-xyz' or '-sl_Latn' */
162 result =-1;
163 }
164 return result;
165 }
166 /* }}} */
167
168 /* {{{
169 * returns the position of a singleton if present
170 * returns -1 if no singleton
171 * strtok equivalent search for singleton
172 */
getSingletonPos(const char * str)173 static zend_off_t getSingletonPos(const char* str)
174 {
175 zend_off_t result =-1;
176 size_t len = 0;
177
178 if( str && ((len=strlen(str))>0) ){
179 zend_off_t i = 0;
180 for( i=0; (size_t)i < len ; i++){
181 if( isIDSeparator(*(str+i)) ){
182 if( i==1){
183 /* string is of the form x-avy or a-prv1 */
184 result =0;
185 break;
186 } else {
187 /* delimiter found; check for singleton */
188 if( isIDSeparator(*(str+i+2)) ){
189 /* a singleton; so send the position of separator before singleton */
190 result = i+1;
191 break;
192 }
193 }
194 }
195 }/* end of for */
196
197 }
198 return result;
199 }
200 /* }}} */
201
202 /* {{{ Get default locale */
203 /* }}} */
204 /* {{{ Get default locale */
PHP_NAMED_FUNCTION(zif_locale_get_default)205 PHP_NAMED_FUNCTION(zif_locale_get_default)
206 {
207 if (zend_parse_parameters_none() == FAILURE) {
208 RETURN_THROWS();
209 }
210
211 RETURN_STRING( intl_locale_get_default( ) );
212 }
213
214 /* }}} */
215
216 /* {{{ Set default locale */
217 /* }}} */
218 /* {{{ Set default locale */
PHP_NAMED_FUNCTION(zif_locale_set_default)219 PHP_NAMED_FUNCTION(zif_locale_set_default)
220 {
221 zend_string* locale_name;
222 zend_string *ini_name;
223 char *default_locale = NULL;
224
225 if(zend_parse_parameters( ZEND_NUM_ARGS(), "S", &locale_name) == FAILURE)
226 {
227 RETURN_THROWS();
228 }
229
230 if (ZSTR_LEN(locale_name) == 0) {
231 default_locale = (char *)uloc_getDefault();
232 locale_name = zend_string_init(default_locale, strlen(default_locale), 0);
233 }
234
235 ini_name = zend_string_init(LOCALE_INI_NAME, sizeof(LOCALE_INI_NAME) - 1, 0);
236 zend_alter_ini_entry(ini_name, locale_name, PHP_INI_USER, PHP_INI_STAGE_RUNTIME);
237 zend_string_release_ex(ini_name, 0);
238 if (default_locale != NULL) {
239 zend_string_release_ex(locale_name, 0);
240 }
241
242 RETURN_TRUE;
243 }
244 /* }}} */
245
246 /* {{{
247 * Gets the value from ICU
248 * common code shared by get_primary_language,get_script or get_region or get_variant
249 * result = 0 if error, 1 if successful , -1 if no value
250 */
get_icu_value_internal(const char * loc_name,char * tag_name,int * result,int fromParseLocale)251 static zend_string* get_icu_value_internal( const char* loc_name , char* tag_name, int* result , int fromParseLocale)
252 {
253 zend_string* tag_value = NULL;
254 int32_t tag_value_len = 512;
255
256 char* mod_loc_name = NULL;
257
258 int32_t buflen = 512;
259 UErrorCode status = U_ZERO_ERROR;
260
261 if (strlen(loc_name) > INTL_MAX_LOCALE_LEN) {
262 return NULL;
263 }
264
265 if( strcmp(tag_name, LOC_CANONICALIZE_TAG) != 0 ){
266 /* Handle grandfathered languages */
267 zend_off_t grOffset = findOffset( LOC_GRANDFATHERED , loc_name );
268 if( grOffset >= 0 ){
269 if( strcmp(tag_name , LOC_LANG_TAG)==0 ){
270 return zend_string_init(loc_name, strlen(loc_name), 0);
271 } else {
272 /* Since Grandfathered , no value , do nothing , retutn NULL */
273 return NULL;
274 }
275 }
276
277 if( fromParseLocale==1 ){
278 zend_off_t singletonPos = 0;
279
280 /* Handle singletons */
281 if( strcmp(tag_name , LOC_LANG_TAG)==0 ){
282 if( strlen(loc_name)>1 && (isIDPrefix(loc_name) == 1) ){
283 return zend_string_init(loc_name, strlen(loc_name), 0);
284 }
285 }
286
287 singletonPos = getSingletonPos( loc_name );
288 if( singletonPos == 0){
289 /* singleton at start of script, region , variant etc.
290 * or invalid singleton at start of language */
291 return NULL;
292 } else if( singletonPos > 0 ){
293 /* singleton at some position except at start
294 * strip off the singleton and rest of the loc_name */
295 mod_loc_name = estrndup ( loc_name , singletonPos-1);
296 }
297 } /* end of if fromParse */
298
299 } /* end of if != LOC_CANONICAL_TAG */
300
301 if( mod_loc_name == NULL){
302 mod_loc_name = estrdup(loc_name );
303 }
304
305 /* Proceed to ICU */
306 do{
307 if (tag_value) {
308 tag_value = zend_string_realloc( tag_value , buflen, 0);
309 } else {
310 tag_value = zend_string_alloc( buflen, 0);
311 }
312 tag_value_len = buflen;
313
314 if( strcmp(tag_name , LOC_SCRIPT_TAG)==0 ){
315 buflen = uloc_getScript ( mod_loc_name , tag_value->val , tag_value_len , &status);
316 }
317 if( strcmp(tag_name , LOC_LANG_TAG )==0 ){
318 buflen = uloc_getLanguage ( mod_loc_name , tag_value->val , tag_value_len , &status);
319 }
320 if( strcmp(tag_name , LOC_REGION_TAG)==0 ){
321 buflen = uloc_getCountry ( mod_loc_name , tag_value->val , tag_value_len , &status);
322 }
323 if( strcmp(tag_name , LOC_VARIANT_TAG)==0 ){
324 buflen = uloc_getVariant ( mod_loc_name , tag_value->val , tag_value_len , &status);
325 }
326 if( strcmp(tag_name , LOC_CANONICALIZE_TAG)==0 ){
327 buflen = uloc_canonicalize ( mod_loc_name , tag_value->val , tag_value_len , &status);
328 }
329
330 if( U_FAILURE( status ) ) {
331 if( status == U_BUFFER_OVERFLOW_ERROR ) {
332 status = U_ZERO_ERROR;
333 buflen++; /* add space for \0 */
334 continue;
335 }
336
337 /* Error in retrieving data */
338 *result = 0;
339 if( tag_value ){
340 zend_string_release_ex( tag_value, 0 );
341 }
342 if( mod_loc_name ){
343 efree( mod_loc_name);
344 }
345 return NULL;
346 }
347 } while( buflen > tag_value_len );
348
349 if( buflen ==0 ){
350 /* No value found */
351 *result = -1;
352 if( tag_value ){
353 zend_string_release_ex( tag_value, 0 );
354 }
355 if( mod_loc_name ){
356 efree( mod_loc_name);
357 }
358 return NULL;
359 } else {
360 *result = 1;
361 }
362
363 if( mod_loc_name ){
364 efree( mod_loc_name);
365 }
366
367 tag_value->len = strlen(tag_value->val);
368 return tag_value;
369 }
370 /* }}} */
371
372 /* {{{
373 * Gets the value from ICU , called when PHP userspace function is called
374 * common code shared by get_primary_language,get_script or get_region or get_variant
375 */
get_icu_value_src_php(char * tag_name,INTERNAL_FUNCTION_PARAMETERS)376 static void get_icu_value_src_php( char* tag_name, INTERNAL_FUNCTION_PARAMETERS)
377 {
378
379 const char* loc_name = NULL;
380 size_t loc_name_len = 0;
381
382 zend_string* tag_value = NULL;
383 char* empty_result = "";
384
385 int result = 0;
386 char* msg = NULL;
387
388 UErrorCode status = U_ZERO_ERROR;
389
390 intl_error_reset( NULL );
391
392 if(zend_parse_parameters( ZEND_NUM_ARGS(), "s",
393 &loc_name ,&loc_name_len ) == FAILURE) {
394 RETURN_THROWS();
395 }
396
397 if(loc_name_len == 0) {
398 loc_name = intl_locale_get_default();
399 loc_name_len = strlen(loc_name);
400 }
401
402 INTL_CHECK_LOCALE_LEN(loc_name_len);
403
404 /* Call ICU get */
405 tag_value = get_icu_value_internal( loc_name , tag_name , &result ,0);
406
407 /* No value found */
408 if( result == -1 ) {
409 if( tag_value){
410 zend_string_release_ex( tag_value, 0 );
411 }
412 RETURN_STRING( empty_result);
413 }
414
415 /* value found */
416 if( tag_value){
417 RETVAL_STR( tag_value );
418 return;
419 }
420
421 /* Error encountered while fetching the value */
422 if( result ==0) {
423 spprintf(&msg , 0, "locale_get_%s : unable to get locale %s", tag_name , tag_name );
424 intl_error_set( NULL, status, msg , 1 );
425 efree(msg);
426 RETURN_NULL();
427 }
428
429 }
430 /* }}} */
431
432 /* {{{ gets the script for the $locale */
PHP_FUNCTION(locale_get_script)433 PHP_FUNCTION( locale_get_script )
434 {
435 get_icu_value_src_php( LOC_SCRIPT_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
436 }
437 /* }}} */
438
439 /* {{{ gets the region for the $locale */
PHP_FUNCTION(locale_get_region)440 PHP_FUNCTION( locale_get_region )
441 {
442 get_icu_value_src_php( LOC_REGION_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
443 }
444 /* }}} */
445
446 /* {{{ gets the primary language for the $locale */
PHP_FUNCTION(locale_get_primary_language)447 PHP_FUNCTION(locale_get_primary_language )
448 {
449 get_icu_value_src_php( LOC_LANG_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
450 }
451 /* }}} */
452
453
454 /* {{{
455 * common code shared by display_xyz functions to get the value from ICU
456 }}} */
get_icu_disp_value_src_php(char * tag_name,INTERNAL_FUNCTION_PARAMETERS)457 static void get_icu_disp_value_src_php( char* tag_name, INTERNAL_FUNCTION_PARAMETERS)
458 {
459 const char* loc_name = NULL;
460 size_t loc_name_len = 0;
461
462 const char* disp_loc_name = NULL;
463 size_t disp_loc_name_len = 0;
464 int free_loc_name = 0;
465
466 UChar* disp_name = NULL;
467 int32_t disp_name_len = 0;
468
469 char* mod_loc_name = NULL;
470
471 int32_t buflen = 512;
472 UErrorCode status = U_ZERO_ERROR;
473
474 zend_string* u8str;
475
476 char* msg = NULL;
477
478 intl_error_reset( NULL );
479
480 if(zend_parse_parameters( ZEND_NUM_ARGS(), "s|s!",
481 &loc_name, &loc_name_len ,
482 &disp_loc_name ,&disp_loc_name_len ) == FAILURE)
483 {
484 RETURN_THROWS();
485 }
486
487 if(loc_name_len > ULOC_FULLNAME_CAPACITY) {
488 /* See bug 67397: overlong locale names cause trouble in uloc_getDisplayName */
489 spprintf(&msg , 0, "locale_get_display_%s : name too long", tag_name );
490 intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR, msg , 1 );
491 efree(msg);
492 RETURN_FALSE;
493 }
494
495 if(loc_name_len == 0) {
496 loc_name = intl_locale_get_default();
497 }
498
499 if( strcmp(tag_name, DISP_NAME) != 0 ){
500 /* Handle grandfathered languages */
501 int grOffset = findOffset( LOC_GRANDFATHERED , loc_name );
502 if( grOffset >= 0 ){
503 if( strcmp(tag_name , LOC_LANG_TAG)==0 ){
504 mod_loc_name = getPreferredTag( loc_name );
505 } else {
506 /* Since Grandfathered, no value, do nothing, retutn NULL */
507 RETURN_FALSE;
508 }
509 }
510 } /* end of if != LOC_CANONICAL_TAG */
511
512 if( mod_loc_name==NULL ){
513 mod_loc_name = estrdup( loc_name );
514 }
515
516 /* Check if disp_loc_name passed , if not use default locale */
517 if( !disp_loc_name){
518 disp_loc_name = estrdup(intl_locale_get_default());
519 free_loc_name = 1;
520 }
521
522 /* Get the disp_value for the given locale */
523 do{
524 disp_name = erealloc( disp_name , buflen * sizeof(UChar) );
525 disp_name_len = buflen;
526
527 if( strcmp(tag_name , LOC_LANG_TAG)==0 ){
528 buflen = uloc_getDisplayLanguage ( mod_loc_name , disp_loc_name , disp_name , disp_name_len , &status);
529 } else if( strcmp(tag_name , LOC_SCRIPT_TAG)==0 ){
530 buflen = uloc_getDisplayScript ( mod_loc_name , disp_loc_name , disp_name , disp_name_len , &status);
531 } else if( strcmp(tag_name , LOC_REGION_TAG)==0 ){
532 buflen = uloc_getDisplayCountry ( mod_loc_name , disp_loc_name , disp_name , disp_name_len , &status);
533 } else if( strcmp(tag_name , LOC_VARIANT_TAG)==0 ){
534 buflen = uloc_getDisplayVariant ( mod_loc_name , disp_loc_name , disp_name , disp_name_len , &status);
535 } else if( strcmp(tag_name , DISP_NAME)==0 ){
536 buflen = uloc_getDisplayName ( mod_loc_name , disp_loc_name , disp_name , disp_name_len , &status);
537 }
538
539 /* U_STRING_NOT_TERMINATED_WARNING is admissible here; don't look for it */
540 if( U_FAILURE( status ) )
541 {
542 if( status == U_BUFFER_OVERFLOW_ERROR )
543 {
544 status = U_ZERO_ERROR;
545 continue;
546 }
547
548 spprintf(&msg, 0, "locale_get_display_%s : unable to get locale %s", tag_name , tag_name );
549 intl_error_set( NULL, status, msg , 1 );
550 efree(msg);
551 if( disp_name){
552 efree( disp_name );
553 }
554 if( mod_loc_name){
555 efree( mod_loc_name );
556 }
557 if (free_loc_name) {
558 efree((void *)disp_loc_name);
559 disp_loc_name = NULL;
560 }
561 RETURN_FALSE;
562 }
563 } while( buflen > disp_name_len );
564
565 if( mod_loc_name){
566 efree( mod_loc_name );
567 }
568 if (free_loc_name) {
569 efree((void *)disp_loc_name);
570 disp_loc_name = NULL;
571 }
572 /* Convert display locale name from UTF-16 to UTF-8. */
573 u8str = intl_convert_utf16_to_utf8(disp_name, buflen, &status );
574 efree( disp_name );
575 if( !u8str )
576 {
577 spprintf(&msg, 0, "locale_get_display_%s :error converting display name for %s to UTF-8", tag_name , tag_name );
578 intl_error_set( NULL, status, msg , 1 );
579 efree(msg);
580 RETURN_FALSE;
581 }
582
583 RETVAL_NEW_STR( u8str );
584 }
585 /* }}} */
586
587 /* {{{ gets the name for the $locale in $in_locale or default_locale */
PHP_FUNCTION(locale_get_display_name)588 PHP_FUNCTION(locale_get_display_name)
589 {
590 get_icu_disp_value_src_php( DISP_NAME , INTERNAL_FUNCTION_PARAM_PASSTHRU );
591 }
592 /* }}} */
593
594 /* {{{ gets the language for the $locale in $in_locale or default_locale */
PHP_FUNCTION(locale_get_display_language)595 PHP_FUNCTION(locale_get_display_language)
596 {
597 get_icu_disp_value_src_php( LOC_LANG_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
598 }
599 /* }}} */
600
601 /* {{{ gets the script for the $locale in $in_locale or default_locale */
PHP_FUNCTION(locale_get_display_script)602 PHP_FUNCTION(locale_get_display_script)
603 {
604 get_icu_disp_value_src_php( LOC_SCRIPT_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
605 }
606 /* }}} */
607
608 /* {{{ gets the region for the $locale in $in_locale or default_locale */
PHP_FUNCTION(locale_get_display_region)609 PHP_FUNCTION(locale_get_display_region)
610 {
611 get_icu_disp_value_src_php( LOC_REGION_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
612 }
613 /* }}} */
614
615 /* {{{
616 * proto static string Locale::getDisplayVariant($locale, $in_locale = null)
617 * gets the variant for the $locale in $in_locale or default_locale
618 }}} */
619 /* {{{
620 * proto static string get_display_variant($locale, $in_locale = null)
621 * gets the variant for the $locale in $in_locale or default_locale
622 */
PHP_FUNCTION(locale_get_display_variant)623 PHP_FUNCTION(locale_get_display_variant)
624 {
625 get_icu_disp_value_src_php( LOC_VARIANT_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
626 }
627 /* }}} */
628
629 /* {{{ return an associative array containing keyword-value
630 * pairs for this locale. The keys are keys to the array (doh!)
631 * }}}*/
632 /* {{{ return an associative array containing keyword-value
633 * pairs for this locale. The keys are keys to the array (doh!)
634 */
PHP_FUNCTION(locale_get_keywords)635 PHP_FUNCTION( locale_get_keywords )
636 {
637 UEnumeration* e = NULL;
638 UErrorCode status = U_ZERO_ERROR;
639
640 const char* kw_key = NULL;
641 int32_t kw_key_len = 0;
642
643 const char* loc_name = NULL;
644 size_t loc_name_len = 0;
645
646 intl_error_reset( NULL );
647
648 if(zend_parse_parameters( ZEND_NUM_ARGS(), "s",
649 &loc_name, &loc_name_len ) == FAILURE)
650 {
651 RETURN_THROWS();
652 }
653
654 INTL_CHECK_LOCALE_LEN(strlen(loc_name));
655
656 if(loc_name_len == 0) {
657 loc_name = intl_locale_get_default();
658 }
659
660 /* Get the keywords */
661 e = uloc_openKeywords( loc_name, &status );
662 if( e != NULL ) {
663 /*
664 ICU expects the buffer to be allocated before calling the function
665 and so the buffer size has been explicitly specified
666 ICU uloc.h #define ULOC_KEYWORD_AND_VALUES_CAPACITY 100
667 hence the kw_value buffer size is 100
668 */
669
670 /* Traverse it, filling the return array. */
671 array_init( return_value );
672
673 while( ( kw_key = uenum_next( e, &kw_key_len, &status ) ) != NULL ){
674 int32_t kw_value_len = 100;
675 zend_string *kw_value_str = zend_string_alloc(kw_value_len, 0);
676
677 /* Get the keyword value for each keyword */
678 kw_value_len=uloc_getKeywordValue( loc_name, kw_key, ZSTR_VAL(kw_value_str), kw_value_len, &status );
679 if (status == U_BUFFER_OVERFLOW_ERROR) {
680 status = U_ZERO_ERROR;
681 kw_value_str = zend_string_extend(kw_value_str, kw_value_len, 0);
682 kw_value_len=uloc_getKeywordValue( loc_name,kw_key, ZSTR_VAL(kw_value_str), kw_value_len+1, &status );
683 } else if(!U_FAILURE(status)) {
684 kw_value_str = zend_string_truncate(kw_value_str, kw_value_len, 0);
685 }
686 if (U_FAILURE(status)) {
687 intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR, "locale_get_keywords: Error encountered while getting the keyword value for the keyword", 0 );
688 if( kw_value_str){
689 zend_string_efree( kw_value_str );
690 }
691 zend_array_destroy(Z_ARR_P(return_value));
692 RETURN_FALSE;
693 }
694
695 add_assoc_str( return_value, (char *)kw_key, kw_value_str);
696 } /* end of while */
697
698 } /* end of if e!=NULL */
699
700 uenum_close( e );
701 }
702 /* }}} */
703
704 /* {{{ @return string the canonicalized locale
705 * }}} */
706 /* {{{ @param string $locale The locale string to canonicalize */
PHP_FUNCTION(locale_canonicalize)707 PHP_FUNCTION(locale_canonicalize)
708 {
709 get_icu_value_src_php( LOC_CANONICALIZE_TAG , INTERNAL_FUNCTION_PARAM_PASSTHRU );
710 }
711 /* }}} */
712
713 /* {{{ append_key_value
714 * Internal function which is called from locale_compose
715 * gets the value for the key_name and appends to the loc_name
716 * returns 1 if successful , -1 if not found ,
717 * 0 if array element is not a string , -2 if buffer-overflow
718 */
append_key_value(smart_str * loc_name,HashTable * hash_arr,char * key_name)719 static int append_key_value(smart_str* loc_name, HashTable* hash_arr, char* key_name)
720 {
721 zval *ele_value;
722
723 if ((ele_value = zend_hash_str_find(hash_arr , key_name, strlen(key_name))) != NULL ) {
724 if(Z_TYPE_P(ele_value)!= IS_STRING ){
725 /* element value is not a string */
726 return FAILURE;
727 }
728 if(strcmp(key_name, LOC_LANG_TAG) != 0 &&
729 strcmp(key_name, LOC_GRANDFATHERED_LANG_TAG)!=0 ) {
730 /* not lang or grandfathered tag */
731 smart_str_appendl(loc_name, SEPARATOR , sizeof(SEPARATOR)-1);
732 }
733 smart_str_appendl(loc_name, Z_STRVAL_P(ele_value) , Z_STRLEN_P(ele_value));
734 return SUCCESS;
735 }
736
737 return LOC_NOT_FOUND;
738 }
739 /* }}} */
740
741 /* {{{ append_prefix , appends the prefix needed
742 * e.g. private adds 'x'
743 */
add_prefix(smart_str * loc_name,char * key_name)744 static void add_prefix(smart_str* loc_name, char* key_name)
745 {
746 if( strncmp(key_name , LOC_PRIVATE_TAG , 7) == 0 ){
747 smart_str_appendl(loc_name, SEPARATOR , sizeof(SEPARATOR)-1);
748 smart_str_appendl(loc_name, PRIVATE_PREFIX , sizeof(PRIVATE_PREFIX)-1);
749 }
750 }
751 /* }}} */
752
753 /* {{{ append_multiple_key_values
754 * Internal function which is called from locale_compose
755 * gets the multiple values for the key_name and appends to the loc_name
756 * used for 'variant','extlang','private'
757 * returns 1 if successful , -1 if not found ,
758 * 0 if array element is not a string , -2 if buffer-overflow
759 */
append_multiple_key_values(smart_str * loc_name,HashTable * hash_arr,char * key_name)760 static int append_multiple_key_values(smart_str* loc_name, HashTable* hash_arr, char* key_name)
761 {
762 zval *ele_value;
763 int isFirstSubtag = 0;
764
765 /* Variant/ Extlang/Private etc. */
766 if ((ele_value = zend_hash_str_find( hash_arr , key_name , strlen(key_name))) != NULL) {
767 if( Z_TYPE_P(ele_value) == IS_STRING ){
768 add_prefix( loc_name , key_name);
769
770 smart_str_appendl(loc_name, SEPARATOR , sizeof(SEPARATOR)-1);
771 smart_str_appendl(loc_name, Z_STRVAL_P(ele_value) , Z_STRLEN_P(ele_value));
772 return SUCCESS;
773 } else if(Z_TYPE_P(ele_value) == IS_ARRAY ) {
774 HashTable *arr = Z_ARRVAL_P(ele_value);
775 zval *data;
776
777 ZEND_HASH_FOREACH_VAL(arr, data) {
778 if(Z_TYPE_P(data) != IS_STRING) {
779 return FAILURE;
780 }
781 if (isFirstSubtag++ == 0){
782 add_prefix(loc_name , key_name);
783 }
784 smart_str_appendl(loc_name, SEPARATOR , sizeof(SEPARATOR)-1);
785 smart_str_appendl(loc_name, Z_STRVAL_P(data) , Z_STRLEN_P(data));
786 } ZEND_HASH_FOREACH_END();
787 return SUCCESS;
788 } else {
789 return FAILURE;
790 }
791 } else {
792 char cur_key_name[31];
793 int max_value = 0, i;
794 /* Decide the max_value: the max. no. of elements allowed */
795 if( strcmp(key_name , LOC_VARIANT_TAG) ==0 ){
796 max_value = MAX_NO_VARIANT;
797 }
798 if( strcmp(key_name , LOC_EXTLANG_TAG) ==0 ){
799 max_value = MAX_NO_EXTLANG;
800 }
801 if( strcmp(key_name , LOC_PRIVATE_TAG) ==0 ){
802 max_value = MAX_NO_PRIVATE;
803 }
804
805 /* Multiple variant values as variant0, variant1 ,variant2 */
806 isFirstSubtag = 0;
807 for( i=0 ; i< max_value; i++ ){
808 snprintf( cur_key_name , 30, "%s%d", key_name , i);
809 if ((ele_value = zend_hash_str_find( hash_arr , cur_key_name , strlen(cur_key_name))) != NULL) {
810 if( Z_TYPE_P(ele_value)!= IS_STRING ){
811 /* variant is not a string */
812 return FAILURE;
813 }
814 /* Add the contents */
815 if (isFirstSubtag++ == 0){
816 add_prefix(loc_name , cur_key_name);
817 }
818 smart_str_appendl(loc_name, SEPARATOR , sizeof(SEPARATOR)-1);
819 smart_str_appendl(loc_name, Z_STRVAL_P(ele_value) , Z_STRLEN_P(ele_value));
820 }
821 } /* end of for */
822 } /* end of else */
823
824 return SUCCESS;
825 }
826 /* }}} */
827
828 /*{{{
829 * If applicable sets error message and aborts locale_compose gracefully
830 * returns 0 if locale_compose needs to be aborted
831 * otherwise returns 1
832 */
handleAppendResult(int result,smart_str * loc_name)833 static int handleAppendResult( int result, smart_str* loc_name)
834 {
835 intl_error_reset( NULL );
836 if( result == FAILURE) {
837 intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
838 "locale_compose: parameter array element is not a string", 0 );
839 smart_str_free(loc_name);
840 return 0;
841 }
842 return 1;
843 }
844 /* }}} */
845
846 #define RETURN_SMART_STR(str) smart_str_0((str)); RETURN_NEW_STR((str)->s)
847 /* {{{ Creates a locale by combining the parts of locale-ID passed
848 * }}} */
849 /* {{{ Creates a locale by combining the parts of locale-ID passed
850 * }}} */
PHP_FUNCTION(locale_compose)851 PHP_FUNCTION(locale_compose)
852 {
853 smart_str loc_name_s = {0};
854 smart_str *loc_name = &loc_name_s;
855 zval* arr = NULL;
856 HashTable* hash_arr = NULL;
857 int result = 0;
858
859 intl_error_reset( NULL );
860
861 if(zend_parse_parameters( ZEND_NUM_ARGS(), "a",
862 &arr) == FAILURE)
863 {
864 RETURN_THROWS();
865 }
866
867 hash_arr = Z_ARRVAL_P( arr );
868
869 if( !hash_arr || zend_hash_num_elements( hash_arr ) == 0 )
870 RETURN_FALSE;
871
872 /* Check for grandfathered first */
873 result = append_key_value(loc_name, hash_arr, LOC_GRANDFATHERED_LANG_TAG);
874 if( result == SUCCESS){
875 RETURN_SMART_STR(loc_name);
876 }
877 if( !handleAppendResult( result, loc_name)){
878 RETURN_FALSE;
879 }
880
881 /* Not grandfathered */
882 result = append_key_value(loc_name, hash_arr , LOC_LANG_TAG);
883 if( result == LOC_NOT_FOUND ){
884 zend_argument_value_error(1, "must contain a \"%s\" key", LOC_LANG_TAG);
885 smart_str_free(loc_name);
886 RETURN_THROWS();
887 }
888 if( !handleAppendResult( result, loc_name)){
889 RETURN_FALSE;
890 }
891
892 /* Extlang */
893 result = append_multiple_key_values(loc_name, hash_arr , LOC_EXTLANG_TAG);
894 if( !handleAppendResult( result, loc_name)){
895 RETURN_FALSE;
896 }
897
898 /* Script */
899 result = append_key_value(loc_name, hash_arr , LOC_SCRIPT_TAG);
900 if( !handleAppendResult( result, loc_name)){
901 RETURN_FALSE;
902 }
903
904 /* Region */
905 result = append_key_value( loc_name, hash_arr , LOC_REGION_TAG);
906 if( !handleAppendResult( result, loc_name)){
907 RETURN_FALSE;
908 }
909
910 /* Variant */
911 result = append_multiple_key_values( loc_name, hash_arr , LOC_VARIANT_TAG);
912 if( !handleAppendResult( result, loc_name)){
913 RETURN_FALSE;
914 }
915
916 /* Private */
917 result = append_multiple_key_values( loc_name, hash_arr , LOC_PRIVATE_TAG);
918 if( !handleAppendResult( result, loc_name)){
919 RETURN_FALSE;
920 }
921
922 RETURN_SMART_STR(loc_name);
923 }
924 /* }}} */
925
926
927 /*{{{
928 * Parses the locale and returns private subtags if existing
929 * else returns NULL
930 * e.g. for locale='en_US-x-prv1-prv2-prv3'
931 * returns a pointer to the string 'prv1-prv2-prv3'
932 */
get_private_subtags(const char * loc_name)933 static zend_string* get_private_subtags(const char* loc_name)
934 {
935 zend_string* result = NULL;
936 size_t len = 0;
937 const char* mod_loc_name =NULL;
938
939 if( loc_name && (len = strlen(loc_name)) > 0 ){
940 zend_off_t singletonPos = 0;
941 mod_loc_name = loc_name ;
942 while( (singletonPos = getSingletonPos(mod_loc_name)) > -1){
943 if( (*(mod_loc_name+singletonPos)=='x') || (*(mod_loc_name+singletonPos)=='X') ){
944 /* private subtag start found */
945 if( singletonPos + 2 == len){
946 /* loc_name ends with '-x-' ; return NULL */
947 }
948 else{
949 /* result = mod_loc_name + singletonPos +2; */
950 result = zend_string_init(mod_loc_name + singletonPos+2 , (len -( singletonPos +2) ), 0);
951 }
952 break;
953 }
954 else{
955 if((size_t)(singletonPos + 1) >= len){
956 /* String end */
957 break;
958 } else {
959 /* singleton found but not a private subtag , hence check further in the string for the private subtag */
960 mod_loc_name = mod_loc_name + singletonPos +1;
961 len = strlen(mod_loc_name);
962 }
963 }
964 } /* end of while */
965 }
966
967 return result;
968 }
969 /* }}} */
970
971 /* {{{ code used by locale_parse */
add_array_entry(const char * loc_name,zval * hash_arr,char * key_name)972 static int add_array_entry(const char* loc_name, zval* hash_arr, char* key_name)
973 {
974 zend_string* key_value = NULL;
975 char* cur_key_name = NULL;
976 char* token = NULL;
977 char* last_ptr = NULL;
978
979 int result = 0;
980 int cur_result = 0;
981
982
983 if( strcmp(key_name , LOC_PRIVATE_TAG)==0 ){
984 key_value = get_private_subtags( loc_name );
985 result = 1;
986 } else {
987 key_value = get_icu_value_internal( loc_name , key_name , &result,1 );
988 }
989 if( (strcmp(key_name , LOC_PRIVATE_TAG)==0) ||
990 ( strcmp(key_name , LOC_VARIANT_TAG)==0) ){
991 if( result > 0 && key_value){
992 int cnt = 0;
993 /* Tokenize on the "_" or "-" */
994 token = php_strtok_r( key_value->val , DELIMITER ,&last_ptr);
995 if( cur_key_name ){
996 efree( cur_key_name);
997 }
998 cur_key_name = (char*)ecalloc( 25, 25);
999 sprintf( cur_key_name , "%s%d", key_name , cnt++);
1000 add_assoc_string( hash_arr, cur_key_name , token);
1001 /* tokenize on the "_" or "-" and stop at singleton if any */
1002 while( (token = php_strtok_r(NULL , DELIMITER , &last_ptr)) && (strlen(token)>1) ){
1003 sprintf( cur_key_name , "%s%d", key_name , cnt++);
1004 add_assoc_string( hash_arr, cur_key_name , token);
1005 }
1006 /*
1007 if( strcmp(key_name, LOC_PRIVATE_TAG) == 0 ){
1008 }
1009 */
1010 }
1011 if (key_value) {
1012 zend_string_release_ex(key_value, 0);
1013 }
1014 } else {
1015 if( result == 1 ){
1016 add_assoc_str( hash_arr, key_name , key_value);
1017 cur_result = 1;
1018 } else if (key_value) {
1019 zend_string_release_ex(key_value, 0);
1020 }
1021 }
1022
1023 if( cur_key_name ){
1024 efree( cur_key_name);
1025 }
1026 /*if( key_name != LOC_PRIVATE_TAG && key_value){*/
1027 return cur_result;
1028 }
1029 /* }}} */
1030
1031 /* {{{ parses a locale-id into an array the different parts of it */
PHP_FUNCTION(locale_parse)1032 PHP_FUNCTION(locale_parse)
1033 {
1034 const char* loc_name = NULL;
1035 size_t loc_name_len = 0;
1036 int grOffset = 0;
1037
1038 intl_error_reset( NULL );
1039
1040 if(zend_parse_parameters( ZEND_NUM_ARGS(), "s",
1041 &loc_name, &loc_name_len ) == FAILURE)
1042 {
1043 RETURN_THROWS();
1044 }
1045
1046 INTL_CHECK_LOCALE_LEN(strlen(loc_name));
1047
1048 if(loc_name_len == 0) {
1049 loc_name = intl_locale_get_default();
1050 }
1051
1052 array_init( return_value );
1053
1054 grOffset = findOffset( LOC_GRANDFATHERED , loc_name );
1055 if( grOffset >= 0 ){
1056 add_assoc_string( return_value , LOC_GRANDFATHERED_LANG_TAG, (char *)loc_name);
1057 }
1058 else{
1059 /* Not grandfathered */
1060 add_array_entry( loc_name , return_value , LOC_LANG_TAG);
1061 add_array_entry( loc_name , return_value , LOC_SCRIPT_TAG);
1062 add_array_entry( loc_name , return_value , LOC_REGION_TAG);
1063 add_array_entry( loc_name , return_value , LOC_VARIANT_TAG);
1064 add_array_entry( loc_name , return_value , LOC_PRIVATE_TAG);
1065 }
1066 }
1067 /* }}} */
1068
1069 /* {{{ gets an array containing the list of variants, or null */
PHP_FUNCTION(locale_get_all_variants)1070 PHP_FUNCTION(locale_get_all_variants)
1071 {
1072 const char* loc_name = NULL;
1073 size_t loc_name_len = 0;
1074
1075 int result = 0;
1076 char* token = NULL;
1077 zend_string* variant = NULL;
1078 char* saved_ptr = NULL;
1079
1080 intl_error_reset( NULL );
1081
1082 if(zend_parse_parameters( ZEND_NUM_ARGS(), "s",
1083 &loc_name, &loc_name_len ) == FAILURE)
1084 {
1085 RETURN_THROWS();
1086 }
1087
1088 if(loc_name_len == 0) {
1089 loc_name = intl_locale_get_default();
1090 loc_name_len = strlen(loc_name);
1091 }
1092
1093 INTL_CHECK_LOCALE_LEN(loc_name_len);
1094
1095 array_init( return_value );
1096
1097 /* If the locale is grandfathered, stop, no variants */
1098 if( findOffset( LOC_GRANDFATHERED , loc_name ) >= 0 ){
1099 /* ("Grandfathered Tag. No variants."); */
1100 }
1101 else {
1102 /* Call ICU variant */
1103 variant = get_icu_value_internal( loc_name , LOC_VARIANT_TAG , &result ,0);
1104 if( result > 0 && variant){
1105 /* Tokenize on the "_" or "-" */
1106 token = php_strtok_r( variant->val , DELIMITER , &saved_ptr);
1107 add_next_index_stringl( return_value, token , strlen(token));
1108 /* tokenize on the "_" or "-" and stop at singleton if any */
1109 while( (token = php_strtok_r(NULL , DELIMITER, &saved_ptr)) && (strlen(token)>1) ){
1110 add_next_index_stringl( return_value, token , strlen(token));
1111 }
1112 }
1113 if( variant ){
1114 zend_string_release_ex( variant, 0 );
1115 }
1116 }
1117
1118
1119 }
1120 /* }}} */
1121
1122 /* {{{ Converts to lower case and also replaces all hyphens with the underscore */
strToMatch(const char * str,char * retstr)1123 static int strToMatch(const char* str ,char *retstr)
1124 {
1125 char* anchor = NULL;
1126 const char* anchor1 = NULL;
1127 int result = 0;
1128
1129 if( (!str) || str[0] == '\0'){
1130 return result;
1131 } else {
1132 anchor = retstr;
1133 anchor1 = str;
1134 while( (*str)!='\0' ){
1135 if( *str == '-' ){
1136 *retstr = '_';
1137 } else {
1138 *retstr = tolower(*str);
1139 }
1140 str++;
1141 retstr++;
1142 }
1143 *retstr = '\0';
1144 retstr= anchor;
1145 str= anchor1;
1146 result = 1;
1147 }
1148
1149 return(result);
1150 }
1151 /* }}} */
1152
1153 /* {{{ Checks if a $langtag filter matches with $locale according to RFC 4647's basic filtering algorithm */
1154 /* }}} */
1155 /* {{{ Checks if a $langtag filter matches with $locale according to RFC 4647's basic filtering algorithm */
PHP_FUNCTION(locale_filter_matches)1156 PHP_FUNCTION(locale_filter_matches)
1157 {
1158 char* lang_tag = NULL;
1159 size_t lang_tag_len = 0;
1160 const char* loc_range = NULL;
1161 size_t loc_range_len = 0;
1162
1163 int result = 0;
1164 char* token = 0;
1165 char* chrcheck = NULL;
1166
1167 zend_string* can_lang_tag = NULL;
1168 zend_string* can_loc_range = NULL;
1169
1170 char* cur_lang_tag = NULL;
1171 char* cur_loc_range = NULL;
1172
1173 bool boolCanonical = 0;
1174 UErrorCode status = U_ZERO_ERROR;
1175
1176 intl_error_reset( NULL );
1177
1178 if(zend_parse_parameters( ZEND_NUM_ARGS(), "ss|b",
1179 &lang_tag, &lang_tag_len , &loc_range , &loc_range_len ,
1180 &boolCanonical) == FAILURE)
1181 {
1182 RETURN_THROWS();
1183 }
1184
1185 if(loc_range_len == 0) {
1186 loc_range = intl_locale_get_default();
1187 loc_range_len = strlen(loc_range);
1188 }
1189
1190 if( strcmp(loc_range,"*")==0){
1191 RETURN_TRUE;
1192 }
1193
1194 INTL_CHECK_LOCALE_LEN(loc_range_len);
1195 INTL_CHECK_LOCALE_LEN(lang_tag_len);
1196
1197 if( boolCanonical ){
1198 /* canonicalize loc_range */
1199 can_loc_range=get_icu_value_internal( loc_range , LOC_CANONICALIZE_TAG , &result , 0);
1200 if( result <=0) {
1201 intl_error_set( NULL, status,
1202 "locale_filter_matches : unable to canonicalize loc_range" , 0 );
1203 RETURN_FALSE;
1204 }
1205
1206 /* canonicalize lang_tag */
1207 can_lang_tag = get_icu_value_internal( lang_tag , LOC_CANONICALIZE_TAG , &result , 0);
1208 if( result <=0) {
1209 intl_error_set( NULL, status,
1210 "locale_filter_matches : unable to canonicalize lang_tag" , 0 );
1211 RETURN_FALSE;
1212 }
1213
1214 /* Convert to lower case for case-insensitive comparison */
1215 cur_lang_tag = ecalloc( 1, can_lang_tag->len + 1);
1216
1217 /* Convert to lower case for case-insensitive comparison */
1218 result = strToMatch( can_lang_tag->val , cur_lang_tag);
1219 if( result == 0) {
1220 efree( cur_lang_tag );
1221 zend_string_release_ex( can_lang_tag, 0 );
1222 RETURN_FALSE;
1223 }
1224
1225 cur_loc_range = ecalloc( 1, can_loc_range->len + 1);
1226 result = strToMatch( can_loc_range->val , cur_loc_range );
1227 if( result == 0) {
1228 efree( cur_lang_tag );
1229 zend_string_release_ex( can_lang_tag, 0 );
1230 efree( cur_loc_range );
1231 zend_string_release_ex( can_loc_range, 0 );
1232 RETURN_FALSE;
1233 }
1234
1235 /* check if prefix */
1236 token = strstr( cur_lang_tag , cur_loc_range );
1237
1238 if( token && (token==cur_lang_tag) ){
1239 /* check if the char. after match is SEPARATOR */
1240 chrcheck = token + (strlen(cur_loc_range));
1241 if( isIDSeparator(*chrcheck) || isKeywordSeparator(*chrcheck) || isEndOfTag(*chrcheck) ){
1242 efree( cur_lang_tag );
1243 efree( cur_loc_range );
1244 if( can_lang_tag){
1245 zend_string_release_ex( can_lang_tag, 0 );
1246 }
1247 if( can_loc_range){
1248 zend_string_release_ex( can_loc_range, 0 );
1249 }
1250 RETURN_TRUE;
1251 }
1252 }
1253
1254 /* No prefix as loc_range */
1255 if( cur_lang_tag){
1256 efree( cur_lang_tag );
1257 }
1258 if( cur_loc_range){
1259 efree( cur_loc_range );
1260 }
1261 if( can_lang_tag){
1262 zend_string_release_ex( can_lang_tag, 0 );
1263 }
1264 if( can_loc_range){
1265 zend_string_release_ex( can_loc_range, 0 );
1266 }
1267 RETURN_FALSE;
1268
1269 } /* end of if isCanonical */
1270 else{
1271 /* Convert to lower case for case-insensitive comparison */
1272 cur_lang_tag = ecalloc( 1, strlen(lang_tag ) + 1);
1273
1274 result = strToMatch( lang_tag , cur_lang_tag);
1275 if( result == 0) {
1276 efree( cur_lang_tag );
1277 RETURN_FALSE;
1278 }
1279 cur_loc_range = ecalloc( 1, strlen(loc_range ) + 1);
1280 result = strToMatch( loc_range , cur_loc_range );
1281 if( result == 0) {
1282 efree( cur_lang_tag );
1283 efree( cur_loc_range );
1284 RETURN_FALSE;
1285 }
1286
1287 /* check if prefix */
1288 token = strstr( cur_lang_tag , cur_loc_range );
1289
1290 if( token && (token==cur_lang_tag) ){
1291 /* check if the char. after match is SEPARATOR */
1292 chrcheck = token + (strlen(cur_loc_range));
1293 if( isIDSeparator(*chrcheck) || isEndOfTag(*chrcheck) ){
1294 efree( cur_lang_tag );
1295 efree( cur_loc_range );
1296 RETURN_TRUE;
1297 }
1298 }
1299
1300 /* No prefix as loc_range */
1301 if( cur_lang_tag){
1302 efree( cur_lang_tag );
1303 }
1304 if( cur_loc_range){
1305 efree( cur_loc_range );
1306 }
1307 RETURN_FALSE;
1308
1309 }
1310 }
1311 /* }}} */
1312
array_cleanup(char * arr[],int arr_size)1313 static void array_cleanup( char* arr[] , int arr_size)
1314 {
1315 int i=0;
1316 for( i=0; i< arr_size; i++ ){
1317 if( arr[i*2] ){
1318 efree( arr[i*2]);
1319 }
1320 }
1321 efree(arr);
1322 }
1323
1324 #define LOOKUP_CLEAN_RETURN(value) array_cleanup(cur_arr, cur_arr_len); return (value)
1325 /* {{{
1326 * returns the lookup result to lookup_loc_range_src_php
1327 * internal function
1328 */
lookup_loc_range(const char * loc_range,HashTable * hash_arr,int canonicalize)1329 static zend_string* lookup_loc_range(const char* loc_range, HashTable* hash_arr, int canonicalize )
1330 {
1331 int i = 0;
1332 int cur_arr_len = 0;
1333 int result = 0;
1334
1335 zend_string* lang_tag = NULL;
1336 zval* ele_value = NULL;
1337
1338 char* cur_loc_range = NULL;
1339 zend_string* can_loc_range = NULL;
1340 zend_off_t saved_pos = 0;
1341
1342 zend_string* return_value = NULL;
1343
1344 char **cur_arr = ecalloc(zend_hash_num_elements(hash_arr)*2, sizeof(char *));
1345 ZEND_HASH_FOREACH_VAL(hash_arr, ele_value) {
1346 /* convert the array to lowercase , also replace hyphens with the underscore and store it in cur_arr */
1347 if(Z_TYPE_P(ele_value)!= IS_STRING) {
1348 /* element value is not a string */
1349 zend_argument_type_error(2, "must only contain string values");
1350 LOOKUP_CLEAN_RETURN(NULL);
1351 }
1352 cur_arr[cur_arr_len*2] = estrndup(Z_STRVAL_P(ele_value), Z_STRLEN_P(ele_value));
1353 result = strToMatch(Z_STRVAL_P(ele_value), cur_arr[cur_arr_len*2]);
1354 if(result == 0) {
1355 intl_error_set(NULL, U_ILLEGAL_ARGUMENT_ERROR, "lookup_loc_range: unable to canonicalize lang_tag", 0);
1356 LOOKUP_CLEAN_RETURN(NULL);
1357 }
1358 cur_arr[cur_arr_len*2+1] = Z_STRVAL_P(ele_value);
1359 cur_arr_len++ ;
1360 } ZEND_HASH_FOREACH_END(); /* end of for */
1361
1362 /* Canonicalize array elements */
1363 if(canonicalize) {
1364 for(i=0; i<cur_arr_len; i++) {
1365 lang_tag = get_icu_value_internal(cur_arr[i*2], LOC_CANONICALIZE_TAG, &result, 0);
1366 if(result != 1 || lang_tag == NULL || !lang_tag->val[0]) {
1367 if(lang_tag) {
1368 zend_string_release_ex(lang_tag, 0);
1369 }
1370 intl_error_set(NULL, U_ILLEGAL_ARGUMENT_ERROR, "lookup_loc_range: unable to canonicalize lang_tag" , 0);
1371 LOOKUP_CLEAN_RETURN(NULL);
1372 }
1373 cur_arr[i*2] = erealloc(cur_arr[i*2], lang_tag->len+1);
1374 result = strToMatch(lang_tag->val, cur_arr[i*2]);
1375 zend_string_release_ex(lang_tag, 0);
1376 if(result == 0) {
1377 intl_error_set(NULL, U_ILLEGAL_ARGUMENT_ERROR, "lookup_loc_range: unable to canonicalize lang_tag" , 0);
1378 LOOKUP_CLEAN_RETURN(NULL);
1379 }
1380 }
1381
1382 }
1383
1384 if(canonicalize) {
1385 /* Canonicalize the loc_range */
1386 can_loc_range = get_icu_value_internal(loc_range, LOC_CANONICALIZE_TAG, &result , 0);
1387 if( result != 1 || can_loc_range == NULL || !can_loc_range->val[0]) {
1388 /* Error */
1389 intl_error_set(NULL, U_ILLEGAL_ARGUMENT_ERROR, "lookup_loc_range: unable to canonicalize loc_range" , 0 );
1390 if(can_loc_range) {
1391 zend_string_release_ex(can_loc_range, 0);
1392 }
1393 LOOKUP_CLEAN_RETURN(NULL);
1394 } else {
1395 loc_range = can_loc_range->val;
1396 }
1397 }
1398
1399 cur_loc_range = ecalloc(1, strlen(loc_range)+1);
1400 /* convert to lower and replace hyphens */
1401 result = strToMatch(loc_range, cur_loc_range);
1402 if(can_loc_range) {
1403 zend_string_release_ex(can_loc_range, 0);
1404 }
1405 if(result == 0) {
1406 intl_error_set(NULL, U_ILLEGAL_ARGUMENT_ERROR, "lookup_loc_range: unable to canonicalize lang_tag" , 0);
1407 LOOKUP_CLEAN_RETURN(NULL);
1408 }
1409
1410 /* Lookup for the lang_tag match */
1411 saved_pos = strlen(cur_loc_range);
1412 while(saved_pos > 0) {
1413 for(i=0; i< cur_arr_len; i++){
1414 if(cur_arr[i*2] != NULL && strlen(cur_arr[i*2]) == saved_pos && strncmp(cur_loc_range, cur_arr[i*2], saved_pos) == 0) {
1415 /* Match found */
1416 char *str = canonicalize ? cur_arr[i*2] : cur_arr[i*2+1];
1417 return_value = zend_string_init(str, strlen(str), 0);
1418 efree(cur_loc_range);
1419 LOOKUP_CLEAN_RETURN(return_value);
1420 }
1421 }
1422 saved_pos = getStrrtokenPos(cur_loc_range, saved_pos);
1423 }
1424
1425 /* Match not found */
1426 efree(cur_loc_range);
1427 LOOKUP_CLEAN_RETURN(NULL);
1428 }
1429 /* }}} */
1430
1431 /* {{{ Searches the items in $langtag for the best match to the language
1432 * range
1433 */
1434 /* }}} */
1435 /* {{{ Searches the items in $langtag for the best match to the language
1436 * range
1437 */
PHP_FUNCTION(locale_lookup)1438 PHP_FUNCTION(locale_lookup)
1439 {
1440 zend_string* fallback_loc_str = NULL;
1441 const char* loc_range = NULL;
1442 size_t loc_range_len = 0;
1443
1444 zval* arr = NULL;
1445 HashTable* hash_arr = NULL;
1446 bool boolCanonical = 0;
1447 zend_string* result_str = NULL;
1448
1449 intl_error_reset( NULL );
1450
1451 if(zend_parse_parameters( ZEND_NUM_ARGS(), "as|bS!", &arr, &loc_range, &loc_range_len,
1452 &boolCanonical, &fallback_loc_str) == FAILURE) {
1453 RETURN_THROWS();
1454 }
1455
1456 if(loc_range_len == 0) {
1457 if(fallback_loc_str) {
1458 loc_range = ZSTR_VAL(fallback_loc_str);
1459 loc_range_len = ZSTR_LEN(fallback_loc_str);
1460 } else {
1461 loc_range = intl_locale_get_default();
1462 loc_range_len = strlen(loc_range);
1463 }
1464 }
1465
1466 hash_arr = Z_ARRVAL_P(arr);
1467
1468 INTL_CHECK_LOCALE_LEN(loc_range_len);
1469
1470 if( !hash_arr || zend_hash_num_elements( hash_arr ) == 0 ) {
1471 RETURN_EMPTY_STRING();
1472 }
1473
1474 result_str = lookup_loc_range(loc_range, hash_arr, boolCanonical);
1475 if(result_str == NULL || ZSTR_VAL(result_str)[0] == '\0') {
1476 if( fallback_loc_str ) {
1477 result_str = zend_string_copy(fallback_loc_str);
1478 } else {
1479 RETURN_EMPTY_STRING();
1480 }
1481 }
1482
1483 RETURN_STR(result_str);
1484 }
1485 /* }}} */
1486
1487 /* {{{ Tries to find out best available locale based on HTTP "Accept-Language" header */
1488 /* }}} */
1489 /* {{{ Tries to find out best available locale based on HTTP "Accept-Language" header */
PHP_FUNCTION(locale_accept_from_http)1490 PHP_FUNCTION(locale_accept_from_http)
1491 {
1492 UEnumeration *available;
1493 char *http_accept = NULL;
1494 size_t http_accept_len;
1495 UErrorCode status = 0;
1496 int len;
1497 char resultLocale[INTL_MAX_LOCALE_LEN+1];
1498 UAcceptResult outResult;
1499
1500 if(zend_parse_parameters( ZEND_NUM_ARGS(), "s", &http_accept, &http_accept_len) == FAILURE)
1501 {
1502 RETURN_THROWS();
1503 }
1504 if(http_accept_len > ULOC_FULLNAME_CAPACITY) {
1505 /* check each fragment, if any bigger than capacity, can't do it due to bug #72533 */
1506 char *start = http_accept;
1507 char *end;
1508 size_t len;
1509 do {
1510 end = strchr(start, ',');
1511 len = end ? end-start : http_accept_len-(start-http_accept);
1512 if(len > ULOC_FULLNAME_CAPACITY) {
1513 intl_error_set( NULL, U_ILLEGAL_ARGUMENT_ERROR,
1514 "locale_accept_from_http: locale string too long", 0 );
1515 RETURN_FALSE;
1516 }
1517 if(end) {
1518 start = end+1;
1519 }
1520 } while(end != NULL);
1521 }
1522
1523 available = ures_openAvailableLocales(NULL, &status);
1524 INTL_CHECK_STATUS(status, "locale_accept_from_http: failed to retrieve locale list");
1525 len = uloc_acceptLanguageFromHTTP(resultLocale, INTL_MAX_LOCALE_LEN,
1526 &outResult, http_accept, available, &status);
1527 uenum_close(available);
1528 INTL_CHECK_STATUS(status, "locale_accept_from_http: failed to find acceptable locale");
1529 if (len < 0 || outResult == ULOC_ACCEPT_FAILED) {
1530 RETURN_FALSE;
1531 }
1532 RETURN_STRINGL(resultLocale, len);
1533 }
1534 /* }}} */
1535
