Annotation of embedaddon/php/ext/mbstring/oniguruma/reggnu.c, revision 1.1

1.1     ! misho       1: /**********************************************************************
        !             2:   reggnu.c -  Oniguruma (regular expression library)
        !             3: **********************************************************************/
        !             4: /*-
        !             5:  * Copyright (c) 2002-2006  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
        !             6:  * All rights reserved.
        !             7:  *
        !             8:  * Redistribution and use in source and binary forms, with or without
        !             9:  * modification, are permitted provided that the following conditions
        !            10:  * are met:
        !            11:  * 1. Redistributions of source code must retain the above copyright
        !            12:  *    notice, this list of conditions and the following disclaimer.
        !            13:  * 2. Redistributions in binary form must reproduce the above copyright
        !            14:  *    notice, this list of conditions and the following disclaimer in the
        !            15:  *    documentation and/or other materials provided with the distribution.
        !            16:  *
        !            17:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
        !            18:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            19:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            20:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
        !            21:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            22:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            23:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            24:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            25:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            26:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            27:  * SUCH DAMAGE.
        !            28:  */
        !            29: 
        !            30: #include "regint.h"
        !            31: 
        !            32: #ifndef ONIGGNU_H
        !            33: #include "oniggnu.h"
        !            34: #endif
        !            35: 
        !            36: extern void
        !            37: re_free_registers(OnigRegion* r)
        !            38: {
        !            39:   /* 0: don't free self */
        !            40:   onig_region_free(r, 0);
        !            41: }
        !            42: 
        !            43: extern int
        !            44: re_adjust_startpos(regex_t* reg, const char* string, int size,
        !            45:                   int startpos, int range)
        !            46: {
        !            47:   if (startpos > 0 && ONIGENC_MBC_MAXLEN(reg->enc) != 1 && startpos < size) {
        !            48:     UChar *p;
        !            49:     UChar *s = (UChar* )string + startpos;
        !            50: 
        !            51:     if (range > 0) {
        !            52:       p = onigenc_get_right_adjust_char_head(reg->enc, (UChar* )string, s);
        !            53:     }
        !            54:     else {
        !            55:       p = ONIGENC_LEFT_ADJUST_CHAR_HEAD(reg->enc, (UChar* )string, s);
        !            56:     }
        !            57:     return p - (UChar* )string;
        !            58:   }
        !            59: 
        !            60:   return startpos;
        !            61: }
        !            62: 
        !            63: extern int
        !            64: re_match(regex_t* reg, const char* str, int size, int pos,
        !            65:         struct re_registers* regs)
        !            66: {
        !            67:   return onig_match(reg, (UChar* )str, (UChar* )(str + size),
        !            68:                    (UChar* )(str + pos), regs, ONIG_OPTION_NONE);
        !            69: }
        !            70: 
        !            71: extern int
        !            72: re_search(regex_t* bufp, const char* string, int size, int startpos, int range,
        !            73:          struct re_registers* regs)
        !            74: {
        !            75:   return onig_search(bufp, (UChar* )string, (UChar* )(string + size),
        !            76:                     (UChar* )(string + startpos),
        !            77:                     (UChar* )(string + startpos + range),
        !            78:                     regs, ONIG_OPTION_NONE);
        !            79: }
        !            80: 
        !            81: extern int
        !            82: re_compile_pattern(const char* pattern, int size, regex_t* reg, char* ebuf)
        !            83: {
        !            84:   int r;
        !            85:   OnigErrorInfo einfo;
        !            86: 
        !            87:   r = onig_compile(reg, (UChar* )pattern, (UChar* )(pattern + size), &einfo);
        !            88:   if (r != 0) {
        !            89:     if (IS_NOT_NULL(ebuf))
        !            90:       (void )onig_error_code_to_str((UChar* )ebuf, r, &einfo);
        !            91:   }
        !            92: 
        !            93:   return r;
        !            94: }
        !            95: 
        !            96: #ifdef USE_RECOMPILE_API
        !            97: extern int
        !            98: re_recompile_pattern(const char* pattern, int size, regex_t* reg, char* ebuf)
        !            99: {
        !           100:   int r;
        !           101:   OnigErrorInfo einfo;
        !           102:   OnigEncoding enc;
        !           103: 
        !           104:   /* I think encoding and options should be arguments of this function.
        !           105:      But this is adapted to present re.c. (2002/11/29)
        !           106:    */
        !           107:   enc = OnigEncDefaultCharEncoding;
        !           108: 
        !           109:   r = onig_recompile(reg, (UChar* )pattern, (UChar* )(pattern + size),
        !           110:                     reg->options, enc, OnigDefaultSyntax, &einfo);
        !           111:   if (r != 0) {
        !           112:     if (IS_NOT_NULL(ebuf))
        !           113:       (void )onig_error_code_to_str((UChar* )ebuf, r, &einfo);
        !           114:   }
        !           115:   return r;
        !           116: }
        !           117: #endif
        !           118: 
        !           119: extern void
        !           120: re_free_pattern(regex_t* reg)
        !           121: {
        !           122:   onig_free(reg);
        !           123: }
        !           124: 
        !           125: extern int
        !           126: re_alloc_pattern(regex_t** reg)
        !           127: {
        !           128:   return onig_alloc_init(reg, ONIG_OPTION_DEFAULT,
        !           129:                          ONIGENC_AMBIGUOUS_MATCH_DEFAULT,
        !           130:                          OnigEncDefaultCharEncoding,
        !           131:                         OnigDefaultSyntax);
        !           132: }
        !           133: 
        !           134: extern void
        !           135: re_set_casetable(const char* table)
        !           136: {
        !           137:   onigenc_set_default_caseconv_table((UChar* )table);
        !           138: }
        !           139: 
        !           140: extern void
        !           141: #ifdef ONIG_RUBY_M17N
        !           142: re_mbcinit(OnigEncoding enc)
        !           143: #else
        !           144: re_mbcinit(int mb_code)
        !           145: #endif
        !           146: {
        !           147: #ifdef ONIG_RUBY_M17N
        !           148: 
        !           149:   onigenc_set_default_encoding(enc);
        !           150: 
        !           151: #else
        !           152: 
        !           153:   OnigEncoding enc;
        !           154: 
        !           155:   switch (mb_code) {
        !           156:   case RE_MBCTYPE_ASCII:
        !           157:     enc = ONIG_ENCODING_ASCII;
        !           158:     break;
        !           159:   case RE_MBCTYPE_EUC:
        !           160:     enc = ONIG_ENCODING_EUC_JP;
        !           161:     break;
        !           162:   case RE_MBCTYPE_SJIS:
        !           163:     enc = ONIG_ENCODING_SJIS;
        !           164:     break;
        !           165:   case RE_MBCTYPE_UTF8:
        !           166:     enc = ONIG_ENCODING_UTF8;
        !           167:     break;
        !           168:   default:
        !           169:     return ;
        !           170:     break;
        !           171:   }
        !           172: 
        !           173:   onigenc_set_default_encoding(enc);
        !           174: #endif
        !           175: }

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