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      1 #ifndef ONIGURUMA_H
      2 #define ONIGURUMA_H
      3 /**********************************************************************
      4   oniguruma.h - Oniguruma (regular expression library)
      5 **********************************************************************/
      6 /*-
      7  * Copyright (c) 2002-2009  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
      8  * All rights reserved.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29  * SUCH DAMAGE.
     30  */
     31 
     32 #include "OnigurumaUefiPort.h"
     33 
     34 #ifdef __cplusplus
     35 extern "C" {
     36 #endif
     37 
     38 #define ONIGURUMA
     39 #define ONIGURUMA_VERSION_MAJOR   5
     40 #define ONIGURUMA_VERSION_MINOR   9
     41 #define ONIGURUMA_VERSION_TEENY   6
     42 
     43 #ifdef __cplusplus
     44 # ifndef  HAVE_PROTOTYPES
     45 #  define HAVE_PROTOTYPES 1
     46 # endif
     47 # ifndef  HAVE_STDARG_PROTOTYPES
     48 #  define HAVE_STDARG_PROTOTYPES 1
     49 # endif
     50 #endif
     51 
     52 /* escape Mac OS X/Xcode 2.4/gcc 4.0.1 problem */
     53 #if defined(__APPLE__) && defined(__GNUC__) && __GNUC__ >= 4
     54 # ifndef  HAVE_STDARG_PROTOTYPES
     55 #  define HAVE_STDARG_PROTOTYPES 1
     56 # endif
     57 #endif
     58 
     59 #ifdef HAVE_STDARG_H
     60 # ifndef  HAVE_STDARG_PROTOTYPES
     61 #  define HAVE_STDARG_PROTOTYPES 1
     62 # endif
     63 #endif
     64 
     65 #ifndef P_
     66 #if defined(__STDC__) || defined(_WIN32)
     67 # define P_(args) args
     68 #else
     69 # define P_(args) ()
     70 #endif
     71 #endif
     72 
     73 #ifndef PV_
     74 #ifdef HAVE_STDARG_PROTOTYPES
     75 # define PV_(args) args
     76 #else
     77 # define PV_(args) ()
     78 #endif
     79 #endif
     80 
     81 #ifndef ONIG_EXTERN
     82 #if defined(_WIN32) && !defined(__GNUC__)
     83 #if defined(EXPORT) || defined(RUBY_EXPORT)
     84 #define ONIG_EXTERN   extern __declspec(dllexport)
     85 #else
     86 #define ONIG_EXTERN   extern __declspec(dllimport)
     87 #endif
     88 #endif
     89 #endif
     90 
     91 #ifndef ONIG_EXTERN
     92 #define ONIG_EXTERN   extern
     93 #endif
     94 
     95 /* PART: character encoding */
     96 
     97 #ifndef ONIG_ESCAPE_UCHAR_COLLISION
     98 #define UChar OnigUChar
     99 #endif
    100 
    101 #ifdef _WIN32
    102 # include <windows.h>
    103 typedef ULONG_PTR OnigCodePoint;
    104 #else
    105 typedef unsigned long  OnigCodePoint;
    106 #endif
    107 typedef unsigned char  OnigUChar;
    108 typedef unsigned int   OnigCtype;
    109 typedef unsigned int   OnigDistance;
    110 
    111 #define ONIG_INFINITE_DISTANCE  ~((OnigDistance )0)
    112 
    113 typedef unsigned int OnigCaseFoldType; /* case fold flag */
    114 
    115 ONIG_EXTERN OnigCaseFoldType OnigDefaultCaseFoldFlag;
    116 
    117 /* #define ONIGENC_CASE_FOLD_HIRAGANA_KATAKANA  (1<<1) */
    118 /* #define ONIGENC_CASE_FOLD_KATAKANA_WIDTH     (1<<2) */
    119 #define ONIGENC_CASE_FOLD_TURKISH_AZERI         (1<<20)
    120 #define INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR   (1<<30)
    121 
    122 #define ONIGENC_CASE_FOLD_MIN      INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR
    123 #define ONIGENC_CASE_FOLD_DEFAULT  OnigDefaultCaseFoldFlag
    124 
    125 
    126 #define ONIGENC_MAX_COMP_CASE_FOLD_CODE_LEN       3
    127 #define ONIGENC_GET_CASE_FOLD_CODES_MAX_NUM      13
    128 /* 13 => Unicode:0x1ffc */
    129 
    130 /* code range */
    131 #define ONIGENC_CODE_RANGE_NUM(range)     ((int )range[0])
    132 #define ONIGENC_CODE_RANGE_FROM(range,i)  range[((i)*2) + 1]
    133 #define ONIGENC_CODE_RANGE_TO(range,i)    range[((i)*2) + 2]
    134 
    135 typedef struct {
    136   int byte_len;  /* argument(original) character(s) byte length */
    137   int code_len;  /* number of code */
    138   OnigCodePoint code[ONIGENC_MAX_COMP_CASE_FOLD_CODE_LEN];
    139 } OnigCaseFoldCodeItem;
    140 
    141 typedef struct {
    142   OnigCodePoint esc;
    143   OnigCodePoint anychar;
    144   OnigCodePoint anytime;
    145   OnigCodePoint zero_or_one_time;
    146   OnigCodePoint one_or_more_time;
    147   OnigCodePoint anychar_anytime;
    148 } OnigMetaCharTableType;
    149 
    150 typedef int (*OnigApplyAllCaseFoldFunc)(OnigCodePoint from, OnigCodePoint* to, int to_len, void* arg);
    151 
    152 typedef struct OnigEncodingTypeST {
    153   int    (*mbc_enc_len)(const OnigUChar* p);
    154   const char*   name;
    155   int           max_enc_len;
    156   int           min_enc_len;
    157   int    (*is_mbc_newline)(const OnigUChar* p, const OnigUChar* end);
    158   OnigCodePoint (*mbc_to_code)(const OnigUChar* p, const OnigUChar* end);
    159   int    (*code_to_mbclen)(OnigCodePoint code);
    160   int    (*code_to_mbc)(OnigCodePoint code, OnigUChar *buf);
    161   int    (*mbc_case_fold)(OnigCaseFoldType flag, const OnigUChar** pp, const OnigUChar* end, OnigUChar* to);
    162   int    (*apply_all_case_fold)(OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg);
    163   int    (*get_case_fold_codes_by_str)(OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem acs[]);
    164   int    (*property_name_to_ctype)(struct OnigEncodingTypeST* enc, OnigUChar* p, OnigUChar* end);
    165   int    (*is_code_ctype)(OnigCodePoint code, OnigCtype ctype);
    166   int    (*get_ctype_code_range)(OnigCtype ctype, OnigCodePoint* sb_out, const OnigCodePoint* ranges[]);
    167   OnigUChar* (*left_adjust_char_head)(const OnigUChar* start, const OnigUChar* p);
    168   int    (*is_allowed_reverse_match)(const OnigUChar* p, const OnigUChar* end);
    169 } OnigEncodingType;
    170 
    171 typedef OnigEncodingType* OnigEncoding;
    172 
    173 ONIG_EXTERN OnigEncodingType OnigEncodingASCII;
    174 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_1;
    175 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_2;
    176 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_3;
    177 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_4;
    178 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_5;
    179 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_6;
    180 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_7;
    181 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_8;
    182 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_9;
    183 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_10;
    184 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_11;
    185 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_13;
    186 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_14;
    187 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_15;
    188 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_16;
    189 ONIG_EXTERN OnigEncodingType OnigEncodingUTF8;
    190 ONIG_EXTERN OnigEncodingType OnigEncodingUTF16_BE;
    191 ONIG_EXTERN OnigEncodingType OnigEncodingUTF16_LE;
    192 ONIG_EXTERN OnigEncodingType OnigEncodingUTF32_BE;
    193 ONIG_EXTERN OnigEncodingType OnigEncodingUTF32_LE;
    194 ONIG_EXTERN OnigEncodingType OnigEncodingEUC_JP;
    195 ONIG_EXTERN OnigEncodingType OnigEncodingEUC_TW;
    196 ONIG_EXTERN OnigEncodingType OnigEncodingEUC_KR;
    197 ONIG_EXTERN OnigEncodingType OnigEncodingEUC_CN;
    198 ONIG_EXTERN OnigEncodingType OnigEncodingSJIS;
    199 ONIG_EXTERN OnigEncodingType OnigEncodingKOI8;
    200 ONIG_EXTERN OnigEncodingType OnigEncodingKOI8_R;
    201 ONIG_EXTERN OnigEncodingType OnigEncodingCP1251;
    202 ONIG_EXTERN OnigEncodingType OnigEncodingBIG5;
    203 ONIG_EXTERN OnigEncodingType OnigEncodingGB18030;
    204 
    205 #define ONIG_ENCODING_ASCII        (&OnigEncodingASCII)
    206 #define ONIG_ENCODING_ISO_8859_1   (&OnigEncodingISO_8859_1)
    207 #define ONIG_ENCODING_ISO_8859_2   (&OnigEncodingISO_8859_2)
    208 #define ONIG_ENCODING_ISO_8859_3   (&OnigEncodingISO_8859_3)
    209 #define ONIG_ENCODING_ISO_8859_4   (&OnigEncodingISO_8859_4)
    210 #define ONIG_ENCODING_ISO_8859_5   (&OnigEncodingISO_8859_5)
    211 #define ONIG_ENCODING_ISO_8859_6   (&OnigEncodingISO_8859_6)
    212 #define ONIG_ENCODING_ISO_8859_7   (&OnigEncodingISO_8859_7)
    213 #define ONIG_ENCODING_ISO_8859_8   (&OnigEncodingISO_8859_8)
    214 #define ONIG_ENCODING_ISO_8859_9   (&OnigEncodingISO_8859_9)
    215 #define ONIG_ENCODING_ISO_8859_10  (&OnigEncodingISO_8859_10)
    216 #define ONIG_ENCODING_ISO_8859_11  (&OnigEncodingISO_8859_11)
    217 #define ONIG_ENCODING_ISO_8859_13  (&OnigEncodingISO_8859_13)
    218 #define ONIG_ENCODING_ISO_8859_14  (&OnigEncodingISO_8859_14)
    219 #define ONIG_ENCODING_ISO_8859_15  (&OnigEncodingISO_8859_15)
    220 #define ONIG_ENCODING_ISO_8859_16  (&OnigEncodingISO_8859_16)
    221 #define ONIG_ENCODING_UTF8         (&OnigEncodingUTF8)
    222 #define ONIG_ENCODING_UTF16_BE     (&OnigEncodingUTF16_BE)
    223 #define ONIG_ENCODING_UTF16_LE     (&OnigEncodingUTF16_LE)
    224 #define ONIG_ENCODING_UTF32_BE     (&OnigEncodingUTF32_BE)
    225 #define ONIG_ENCODING_UTF32_LE     (&OnigEncodingUTF32_LE)
    226 #define ONIG_ENCODING_EUC_JP       (&OnigEncodingEUC_JP)
    227 #define ONIG_ENCODING_EUC_TW       (&OnigEncodingEUC_TW)
    228 #define ONIG_ENCODING_EUC_KR       (&OnigEncodingEUC_KR)
    229 #define ONIG_ENCODING_EUC_CN       (&OnigEncodingEUC_CN)
    230 #define ONIG_ENCODING_SJIS         (&OnigEncodingSJIS)
    231 #define ONIG_ENCODING_KOI8         (&OnigEncodingKOI8)
    232 #define ONIG_ENCODING_KOI8_R       (&OnigEncodingKOI8_R)
    233 #define ONIG_ENCODING_CP1251       (&OnigEncodingCP1251)
    234 #define ONIG_ENCODING_BIG5         (&OnigEncodingBIG5)
    235 #define ONIG_ENCODING_GB18030      (&OnigEncodingGB18030)
    236 
    237 #define ONIG_ENCODING_UNDEF    ((OnigEncoding )0)
    238 
    239 
    240 /* work size */
    241 #define ONIGENC_CODE_TO_MBC_MAXLEN       7
    242 #define ONIGENC_MBC_CASE_FOLD_MAXLEN    18
    243 /* 18: 6(max-byte) * 3(case-fold chars) */
    244 
    245 /* character types */
    246 #define ONIGENC_CTYPE_NEWLINE   0
    247 #define ONIGENC_CTYPE_ALPHA     1
    248 #define ONIGENC_CTYPE_BLANK     2
    249 #define ONIGENC_CTYPE_CNTRL     3
    250 #define ONIGENC_CTYPE_DIGIT     4
    251 #define ONIGENC_CTYPE_GRAPH     5
    252 #define ONIGENC_CTYPE_LOWER     6
    253 #define ONIGENC_CTYPE_PRINT     7
    254 #define ONIGENC_CTYPE_PUNCT     8
    255 #define ONIGENC_CTYPE_SPACE     9
    256 #define ONIGENC_CTYPE_UPPER    10
    257 #define ONIGENC_CTYPE_XDIGIT   11
    258 #define ONIGENC_CTYPE_WORD     12
    259 #define ONIGENC_CTYPE_ALNUM    13  /* alpha || digit */
    260 #define ONIGENC_CTYPE_ASCII    14
    261 #define ONIGENC_MAX_STD_CTYPE  ONIGENC_CTYPE_ASCII
    262 
    263 
    264 #define onig_enc_len(enc,p,end)        ONIGENC_MBC_ENC_LEN(enc,p)
    265 
    266 #define ONIGENC_IS_UNDEF(enc)          ((enc) == ONIG_ENCODING_UNDEF)
    267 #define ONIGENC_IS_SINGLEBYTE(enc)     (ONIGENC_MBC_MAXLEN(enc) == 1)
    268 #define ONIGENC_IS_MBC_HEAD(enc,p)     (ONIGENC_MBC_ENC_LEN(enc,p) != 1)
    269 #define ONIGENC_IS_MBC_ASCII(p)           (*(p)   < 128)
    270 #define ONIGENC_IS_CODE_ASCII(code)       ((code) < 128)
    271 #define ONIGENC_IS_MBC_WORD(enc,s,end) \
    272    ONIGENC_IS_CODE_WORD(enc,ONIGENC_MBC_TO_CODE(enc,s,end))
    273 
    274 
    275 #define ONIGENC_NAME(enc)                      ((enc)->name)
    276 
    277 #define ONIGENC_MBC_CASE_FOLD(enc,flag,pp,end,buf) \
    278   (enc)->mbc_case_fold(flag,(const OnigUChar** )pp,end,buf)
    279 #define ONIGENC_IS_ALLOWED_REVERSE_MATCH(enc,s,end) \
    280         (enc)->is_allowed_reverse_match(s,end)
    281 #define ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc,start,s) \
    282         (enc)->left_adjust_char_head(start, s)
    283 #define ONIGENC_APPLY_ALL_CASE_FOLD(enc,case_fold_flag,f,arg) \
    284         (enc)->apply_all_case_fold(case_fold_flag,f,arg)
    285 #define ONIGENC_GET_CASE_FOLD_CODES_BY_STR(enc,case_fold_flag,p,end,acs) \
    286        (enc)->get_case_fold_codes_by_str(case_fold_flag,p,end,acs)
    287 #define ONIGENC_STEP_BACK(enc,start,s,n) \
    288         onigenc_step_back((enc),(start),(s),(n))
    289 
    290 #define ONIGENC_MBC_ENC_LEN(enc,p)             (enc)->mbc_enc_len(p)
    291 #define ONIGENC_MBC_MAXLEN(enc)               ((enc)->max_enc_len)
    292 #define ONIGENC_MBC_MAXLEN_DIST(enc)           ONIGENC_MBC_MAXLEN(enc)
    293 #define ONIGENC_MBC_MINLEN(enc)               ((enc)->min_enc_len)
    294 #define ONIGENC_IS_MBC_NEWLINE(enc,p,end)      (enc)->is_mbc_newline((p),(end))
    295 #define ONIGENC_MBC_TO_CODE(enc,p,end)         (enc)->mbc_to_code((p),(end))
    296 #define ONIGENC_CODE_TO_MBCLEN(enc,code)       (enc)->code_to_mbclen(code)
    297 #define ONIGENC_CODE_TO_MBC(enc,code,buf)      (enc)->code_to_mbc(code,buf)
    298 #define ONIGENC_PROPERTY_NAME_TO_CTYPE(enc,p,end) \
    299   (enc)->property_name_to_ctype(enc,p,end)
    300 
    301 #define ONIGENC_IS_CODE_CTYPE(enc,code,ctype)  (enc)->is_code_ctype(code,ctype)
    302 
    303 #define ONIGENC_IS_CODE_NEWLINE(enc,code) \
    304         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_NEWLINE)
    305 #define ONIGENC_IS_CODE_GRAPH(enc,code) \
    306         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_GRAPH)
    307 #define ONIGENC_IS_CODE_PRINT(enc,code) \
    308         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_PRINT)
    309 #define ONIGENC_IS_CODE_ALNUM(enc,code) \
    310         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_ALNUM)
    311 #define ONIGENC_IS_CODE_ALPHA(enc,code) \
    312         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_ALPHA)
    313 #define ONIGENC_IS_CODE_LOWER(enc,code) \
    314         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_LOWER)
    315 #define ONIGENC_IS_CODE_UPPER(enc,code) \
    316         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_UPPER)
    317 #define ONIGENC_IS_CODE_CNTRL(enc,code) \
    318         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_CNTRL)
    319 #define ONIGENC_IS_CODE_PUNCT(enc,code) \
    320         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_PUNCT)
    321 #define ONIGENC_IS_CODE_SPACE(enc,code) \
    322         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_SPACE)
    323 #define ONIGENC_IS_CODE_BLANK(enc,code) \
    324         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_BLANK)
    325 #define ONIGENC_IS_CODE_DIGIT(enc,code) \
    326         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_DIGIT)
    327 #define ONIGENC_IS_CODE_XDIGIT(enc,code) \
    328         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_XDIGIT)
    329 #define ONIGENC_IS_CODE_WORD(enc,code) \
    330         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_WORD)
    331 
    332 #define ONIGENC_GET_CTYPE_CODE_RANGE(enc,ctype,sbout,ranges) \
    333         (enc)->get_ctype_code_range(ctype,sbout,ranges)
    334 
    335 ONIG_EXTERN
    336 OnigUChar* onigenc_step_back P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s, int n));
    337 
    338 
    339 /* encoding API */
    340 ONIG_EXTERN
    341 int onigenc_init P_((void));
    342 ONIG_EXTERN
    343 int onigenc_set_default_encoding P_((OnigEncoding enc));
    344 ONIG_EXTERN
    345 OnigEncoding onigenc_get_default_encoding P_((void));
    346 ONIG_EXTERN
    347 void  onigenc_set_default_caseconv_table P_((const OnigUChar* table));
    348 ONIG_EXTERN
    349 OnigUChar* onigenc_get_right_adjust_char_head_with_prev P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s, const OnigUChar** prev));
    350 ONIG_EXTERN
    351 OnigUChar* onigenc_get_prev_char_head P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s));
    352 ONIG_EXTERN
    353 OnigUChar* onigenc_get_left_adjust_char_head P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s));
    354 ONIG_EXTERN
    355 OnigUChar* onigenc_get_right_adjust_char_head P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s));
    356 ONIG_EXTERN
    357 int onigenc_strlen P_((OnigEncoding enc, const OnigUChar* p, const OnigUChar* end));
    358 ONIG_EXTERN
    359 int onigenc_strlen_null P_((OnigEncoding enc, const OnigUChar* p));
    360 ONIG_EXTERN
    361 int onigenc_str_bytelen_null P_((OnigEncoding enc, const OnigUChar* p));
    362 
    363 
    364 
    365 /* PART: regular expression */
    366 
    367 /* config parameters */
    368 #define ONIG_NREGION                          10
    369 #define ONIG_MAX_BACKREF_NUM                1000
    370 #define ONIG_MAX_REPEAT_NUM               100000
    371 #define ONIG_MAX_MULTI_BYTE_RANGES_NUM     10000
    372 /* constants */
    373 #define ONIG_MAX_ERROR_MESSAGE_LEN            90
    374 
    375 typedef unsigned int        OnigOptionType;
    376 
    377 #define ONIG_OPTION_DEFAULT            ONIG_OPTION_NONE
    378 
    379 /* options */
    380 #define ONIG_OPTION_NONE                 0U
    381 #define ONIG_OPTION_IGNORECASE           1U
    382 #define ONIG_OPTION_EXTEND               (ONIG_OPTION_IGNORECASE         << 1)
    383 #define ONIG_OPTION_MULTILINE            (ONIG_OPTION_EXTEND             << 1)
    384 #define ONIG_OPTION_SINGLELINE           (ONIG_OPTION_MULTILINE          << 1)
    385 #define ONIG_OPTION_FIND_LONGEST         (ONIG_OPTION_SINGLELINE         << 1)
    386 #define ONIG_OPTION_FIND_NOT_EMPTY       (ONIG_OPTION_FIND_LONGEST       << 1)
    387 #define ONIG_OPTION_NEGATE_SINGLELINE    (ONIG_OPTION_FIND_NOT_EMPTY     << 1)
    388 #define ONIG_OPTION_DONT_CAPTURE_GROUP   (ONIG_OPTION_NEGATE_SINGLELINE  << 1)
    389 #define ONIG_OPTION_CAPTURE_GROUP        (ONIG_OPTION_DONT_CAPTURE_GROUP << 1)
    390 /* options (search time) */
    391 #define ONIG_OPTION_NOTBOL               (ONIG_OPTION_CAPTURE_GROUP << 1)
    392 #define ONIG_OPTION_NOTEOL               (ONIG_OPTION_NOTBOL << 1)
    393 #define ONIG_OPTION_POSIX_REGION         (ONIG_OPTION_NOTEOL << 1)
    394 #define ONIG_OPTION_MAXBIT               ONIG_OPTION_POSIX_REGION  /* limit */
    395 
    396 #define ONIG_OPTION_ON(options,regopt)      ((options) |= (regopt))
    397 #define ONIG_OPTION_OFF(options,regopt)     ((options) &= ~(regopt))
    398 #define ONIG_IS_OPTION_ON(options,option)   ((options) & (option))
    399 
    400 /* syntax */
    401 typedef struct {
    402   unsigned int   op;
    403   unsigned int   op2;
    404   unsigned int   behavior;
    405   OnigOptionType options;   /* default option */
    406   OnigMetaCharTableType meta_char_table;
    407 } OnigSyntaxType;
    408 
    409 ONIG_EXTERN OnigSyntaxType OnigSyntaxASIS;
    410 ONIG_EXTERN OnigSyntaxType OnigSyntaxPosixBasic;
    411 ONIG_EXTERN OnigSyntaxType OnigSyntaxPosixExtended;
    412 ONIG_EXTERN OnigSyntaxType OnigSyntaxEmacs;
    413 ONIG_EXTERN OnigSyntaxType OnigSyntaxGrep;
    414 ONIG_EXTERN OnigSyntaxType OnigSyntaxGnuRegex;
    415 ONIG_EXTERN OnigSyntaxType OnigSyntaxJava;
    416 ONIG_EXTERN OnigSyntaxType OnigSyntaxPerl;
    417 ONIG_EXTERN OnigSyntaxType OnigSyntaxPerl_NG;
    418 ONIG_EXTERN OnigSyntaxType OnigSyntaxRuby;
    419 
    420 /* predefined syntaxes (see regsyntax.c) */
    421 #define ONIG_SYNTAX_ASIS               (&OnigSyntaxASIS)
    422 #define ONIG_SYNTAX_POSIX_BASIC        (&OnigSyntaxPosixBasic)
    423 #define ONIG_SYNTAX_POSIX_EXTENDED     (&OnigSyntaxPosixExtended)
    424 #define ONIG_SYNTAX_EMACS              (&OnigSyntaxEmacs)
    425 #define ONIG_SYNTAX_GREP               (&OnigSyntaxGrep)
    426 #define ONIG_SYNTAX_GNU_REGEX          (&OnigSyntaxGnuRegex)
    427 #define ONIG_SYNTAX_JAVA               (&OnigSyntaxJava)
    428 #define ONIG_SYNTAX_PERL               (&OnigSyntaxPerl)
    429 #define ONIG_SYNTAX_PERL_NG            (&OnigSyntaxPerl_NG)
    430 #define ONIG_SYNTAX_RUBY               (&OnigSyntaxRuby)
    431 
    432 /* default syntax */
    433 ONIG_EXTERN OnigSyntaxType*   OnigDefaultSyntax;
    434 #define ONIG_SYNTAX_DEFAULT   OnigDefaultSyntax
    435 
    436 /* syntax (operators) */
    437 #define ONIG_SYN_OP_VARIABLE_META_CHARACTERS    (1U<<0)
    438 #define ONIG_SYN_OP_DOT_ANYCHAR                 (1U<<1)   /* . */
    439 #define ONIG_SYN_OP_ASTERISK_ZERO_INF           (1U<<2)   /* * */
    440 #define ONIG_SYN_OP_ESC_ASTERISK_ZERO_INF       (1U<<3)
    441 #define ONIG_SYN_OP_PLUS_ONE_INF                (1U<<4)   /* + */
    442 #define ONIG_SYN_OP_ESC_PLUS_ONE_INF            (1U<<5)
    443 #define ONIG_SYN_OP_QMARK_ZERO_ONE              (1U<<6)   /* ? */
    444 #define ONIG_SYN_OP_ESC_QMARK_ZERO_ONE          (1U<<7)
    445 #define ONIG_SYN_OP_BRACE_INTERVAL              (1U<<8)   /* {lower,upper} */
    446 #define ONIG_SYN_OP_ESC_BRACE_INTERVAL          (1U<<9)   /* \{lower,upper\} */
    447 #define ONIG_SYN_OP_VBAR_ALT                    (1U<<10)   /* | */
    448 #define ONIG_SYN_OP_ESC_VBAR_ALT                (1U<<11)  /* \| */
    449 #define ONIG_SYN_OP_LPAREN_SUBEXP               (1U<<12)  /* (...)   */
    450 #define ONIG_SYN_OP_ESC_LPAREN_SUBEXP           (1U<<13)  /* \(...\) */
    451 #define ONIG_SYN_OP_ESC_AZ_BUF_ANCHOR           (1U<<14)  /* \A, \Z, \z */
    452 #define ONIG_SYN_OP_ESC_CAPITAL_G_BEGIN_ANCHOR  (1U<<15)  /* \G     */
    453 #define ONIG_SYN_OP_DECIMAL_BACKREF             (1U<<16)  /* \num   */
    454 #define ONIG_SYN_OP_BRACKET_CC                  (1U<<17)  /* [...]  */
    455 #define ONIG_SYN_OP_ESC_W_WORD                  (1U<<18)  /* \w, \W */
    456 #define ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END     (1U<<19)  /* \<. \> */
    457 #define ONIG_SYN_OP_ESC_B_WORD_BOUND            (1U<<20)  /* \b, \B */
    458 #define ONIG_SYN_OP_ESC_S_WHITE_SPACE           (1U<<21)  /* \s, \S */
    459 #define ONIG_SYN_OP_ESC_D_DIGIT                 (1U<<22)  /* \d, \D */
    460 #define ONIG_SYN_OP_LINE_ANCHOR                 (1U<<23)  /* ^, $   */
    461 #define ONIG_SYN_OP_POSIX_BRACKET               (1U<<24)  /* [:xxxx:] */
    462 #define ONIG_SYN_OP_QMARK_NON_GREEDY            (1U<<25)  /* ??,*?,+?,{n,m}? */
    463 #define ONIG_SYN_OP_ESC_CONTROL_CHARS           (1U<<26)  /* \n,\r,\t,\a ... */
    464 #define ONIG_SYN_OP_ESC_C_CONTROL               (1U<<27)  /* \cx  */
    465 #define ONIG_SYN_OP_ESC_OCTAL3                  (1U<<28)  /* \OOO */
    466 #define ONIG_SYN_OP_ESC_X_HEX2                  (1U<<29)  /* \xHH */
    467 #define ONIG_SYN_OP_ESC_X_BRACE_HEX8            (1U<<30)  /* \x{7HHHHHHH} */
    468 
    469 #define ONIG_SYN_OP2_ESC_CAPITAL_Q_QUOTE        (1U<<0)  /* \Q...\E */
    470 #define ONIG_SYN_OP2_QMARK_GROUP_EFFECT         (1U<<1)  /* (?...) */
    471 #define ONIG_SYN_OP2_OPTION_PERL                (1U<<2)  /* (?imsx),(?-imsx) */
    472 #define ONIG_SYN_OP2_OPTION_RUBY                (1U<<3)  /* (?imx), (?-imx)  */
    473 #define ONIG_SYN_OP2_PLUS_POSSESSIVE_REPEAT     (1U<<4)  /* ?+,*+,++ */
    474 #define ONIG_SYN_OP2_PLUS_POSSESSIVE_INTERVAL   (1U<<5)  /* {n,m}+   */
    475 #define ONIG_SYN_OP2_CCLASS_SET_OP              (1U<<6)  /* [...&&..[..]..] */
    476 #define ONIG_SYN_OP2_QMARK_LT_NAMED_GROUP       (1U<<7)  /* (?<name>...) */
    477 #define ONIG_SYN_OP2_ESC_K_NAMED_BACKREF        (1U<<8)  /* \k<name> */
    478 #define ONIG_SYN_OP2_ESC_G_SUBEXP_CALL          (1U<<9)  /* \g<name>, \g<n> */
    479 #define ONIG_SYN_OP2_ATMARK_CAPTURE_HISTORY     (1U<<10) /* (?@..),(?@<x>..) */
    480 #define ONIG_SYN_OP2_ESC_CAPITAL_C_BAR_CONTROL  (1U<<11) /* \C-x */
    481 #define ONIG_SYN_OP2_ESC_CAPITAL_M_BAR_META     (1U<<12) /* \M-x */
    482 #define ONIG_SYN_OP2_ESC_V_VTAB                 (1U<<13) /* \v as VTAB */
    483 #define ONIG_SYN_OP2_ESC_U_HEX4                 (1U<<14) /* \uHHHH */
    484 #define ONIG_SYN_OP2_ESC_GNU_BUF_ANCHOR         (1U<<15) /* \`, \' */
    485 #define ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY  (1U<<16) /* \p{...}, \P{...} */
    486 #define ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT (1U<<17) /* \p{^..}, \P{^..} */
    487 /* #define ONIG_SYN_OP2_CHAR_PROPERTY_PREFIX_IS (1U<<18) */
    488 #define ONIG_SYN_OP2_ESC_H_XDIGIT               (1U<<19) /* \h, \H */
    489 #define ONIG_SYN_OP2_INEFFECTIVE_ESCAPE         (1U<<20) /* \ */
    490 
    491 /* syntax (behavior) */
    492 #define ONIG_SYN_CONTEXT_INDEP_ANCHORS           (1U<<31) /* not implemented */
    493 #define ONIG_SYN_CONTEXT_INDEP_REPEAT_OPS        (1U<<0)  /* ?, *, +, {n,m} */
    494 #define ONIG_SYN_CONTEXT_INVALID_REPEAT_OPS      (1U<<1)  /* error or ignore */
    495 #define ONIG_SYN_ALLOW_UNMATCHED_CLOSE_SUBEXP    (1U<<2)  /* ...)... */
    496 #define ONIG_SYN_ALLOW_INVALID_INTERVAL          (1U<<3)  /* {??? */
    497 #define ONIG_SYN_ALLOW_INTERVAL_LOW_ABBREV       (1U<<4)  /* {,n} => {0,n} */
    498 #define ONIG_SYN_STRICT_CHECK_BACKREF            (1U<<5)  /* /(\1)/,/\1()/ ..*/
    499 #define ONIG_SYN_DIFFERENT_LEN_ALT_LOOK_BEHIND   (1U<<6)  /* (?<=a|bc) */
    500 #define ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP        (1U<<7)  /* see doc/RE */
    501 #define ONIG_SYN_ALLOW_MULTIPLEX_DEFINITION_NAME (1U<<8)  /* (?<x>)(?<x>) */
    502 #define ONIG_SYN_FIXED_INTERVAL_IS_GREEDY_ONLY   (1U<<9)  /* a{n}?=(?:a{n})? */
    503 
    504 /* syntax (behavior) in char class [...] */
    505 #define ONIG_SYN_NOT_NEWLINE_IN_NEGATIVE_CC      (1U<<20) /* [^...] */
    506 #define ONIG_SYN_BACKSLASH_ESCAPE_IN_CC          (1U<<21) /* [..\w..] etc.. */
    507 #define ONIG_SYN_ALLOW_EMPTY_RANGE_IN_CC         (1U<<22)
    508 #define ONIG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC     (1U<<23) /* [0-9-a]=[0-9\-a] */
    509 /* syntax (behavior) warning */
    510 #define ONIG_SYN_WARN_CC_OP_NOT_ESCAPED          (1U<<24) /* [,-,] */
    511 #define ONIG_SYN_WARN_REDUNDANT_NESTED_REPEAT    (1U<<25) /* (?:a*)+ */
    512 
    513 /* meta character specifiers (onig_set_meta_char()) */
    514 #define ONIG_META_CHAR_ESCAPE               0
    515 #define ONIG_META_CHAR_ANYCHAR              1
    516 #define ONIG_META_CHAR_ANYTIME              2
    517 #define ONIG_META_CHAR_ZERO_OR_ONE_TIME     3
    518 #define ONIG_META_CHAR_ONE_OR_MORE_TIME     4
    519 #define ONIG_META_CHAR_ANYCHAR_ANYTIME      5
    520 
    521 #define ONIG_INEFFECTIVE_META_CHAR          0
    522 
    523 /* error codes */
    524 #define ONIG_IS_PATTERN_ERROR(ecode)   ((ecode) <= -100 && (ecode) > -1000)
    525 /* normal return */
    526 #define ONIG_NORMAL                                            0
    527 #define ONIG_MISMATCH                                         -1
    528 #define ONIG_NO_SUPPORT_CONFIG                                -2
    529 
    530 /* internal error */
    531 #define ONIGERR_MEMORY                                         -5
    532 #define ONIGERR_TYPE_BUG                                       -6
    533 #define ONIGERR_PARSER_BUG                                    -11
    534 #define ONIGERR_STACK_BUG                                     -12
    535 #define ONIGERR_UNDEFINED_BYTECODE                            -13
    536 #define ONIGERR_UNEXPECTED_BYTECODE                           -14
    537 #define ONIGERR_MATCH_STACK_LIMIT_OVER                        -15
    538 #define ONIGERR_DEFAULT_ENCODING_IS_NOT_SETTED                -21
    539 #define ONIGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR  -22
    540 /* general error */
    541 #define ONIGERR_INVALID_ARGUMENT                              -30
    542 /* syntax error */
    543 #define ONIGERR_END_PATTERN_AT_LEFT_BRACE                    -100
    544 #define ONIGERR_END_PATTERN_AT_LEFT_BRACKET                  -101
    545 #define ONIGERR_EMPTY_CHAR_CLASS                             -102
    546 #define ONIGERR_PREMATURE_END_OF_CHAR_CLASS                  -103
    547 #define ONIGERR_END_PATTERN_AT_ESCAPE                        -104
    548 #define ONIGERR_END_PATTERN_AT_META                          -105
    549 #define ONIGERR_END_PATTERN_AT_CONTROL                       -106
    550 #define ONIGERR_META_CODE_SYNTAX                             -108
    551 #define ONIGERR_CONTROL_CODE_SYNTAX                          -109
    552 #define ONIGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE             -110
    553 #define ONIGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE           -111
    554 #define ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS      -112
    555 #define ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED      -113
    556 #define ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID            -114
    557 #define ONIGERR_NESTED_REPEAT_OPERATOR                       -115
    558 #define ONIGERR_UNMATCHED_CLOSE_PARENTHESIS                  -116
    559 #define ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS       -117
    560 #define ONIGERR_END_PATTERN_IN_GROUP                         -118
    561 #define ONIGERR_UNDEFINED_GROUP_OPTION                       -119
    562 #define ONIGERR_INVALID_POSIX_BRACKET_TYPE                   -121
    563 #define ONIGERR_INVALID_LOOK_BEHIND_PATTERN                  -122
    564 #define ONIGERR_INVALID_REPEAT_RANGE_PATTERN                 -123
    565 /* values error (syntax error) */
    566 #define ONIGERR_TOO_BIG_NUMBER                               -200
    567 #define ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE              -201
    568 #define ONIGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE     -202
    569 #define ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS                    -203
    570 #define ONIGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE          -204
    571 #define ONIGERR_TOO_MANY_MULTI_BYTE_RANGES                   -205
    572 #define ONIGERR_TOO_SHORT_MULTI_BYTE_STRING                  -206
    573 #define ONIGERR_TOO_BIG_BACKREF_NUMBER                       -207
    574 #define ONIGERR_INVALID_BACKREF                              -208
    575 #define ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED         -209
    576 #define ONIGERR_TOO_LONG_WIDE_CHAR_VALUE                     -212
    577 #define ONIGERR_EMPTY_GROUP_NAME                             -214
    578 #define ONIGERR_INVALID_GROUP_NAME                           -215
    579 #define ONIGERR_INVALID_CHAR_IN_GROUP_NAME                   -216
    580 #define ONIGERR_UNDEFINED_NAME_REFERENCE                     -217
    581 #define ONIGERR_UNDEFINED_GROUP_REFERENCE                    -218
    582 #define ONIGERR_MULTIPLEX_DEFINED_NAME                       -219
    583 #define ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL               -220
    584 #define ONIGERR_NEVER_ENDING_RECURSION                       -221
    585 #define ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY        -222
    586 #define ONIGERR_INVALID_CHAR_PROPERTY_NAME                   -223
    587 #define ONIGERR_INVALID_CODE_POINT_VALUE                     -400
    588 #define ONIGERR_INVALID_WIDE_CHAR_VALUE                      -400
    589 #define ONIGERR_TOO_BIG_WIDE_CHAR_VALUE                      -401
    590 #define ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION           -402
    591 #define ONIGERR_INVALID_COMBINATION_OF_OPTIONS               -403
    592 
    593 /* errors related to thread */
    594 #define ONIGERR_OVER_THREAD_PASS_LIMIT_COUNT                -1001
    595 
    596 
    597 /* must be smaller than BIT_STATUS_BITS_NUM (unsigned int * 8) */
    598 #define ONIG_MAX_CAPTURE_HISTORY_GROUP   31
    599 #define ONIG_IS_CAPTURE_HISTORY_GROUP(r, i) \
    600   ((i) <= ONIG_MAX_CAPTURE_HISTORY_GROUP && (r)->list && (r)->list[i])
    601 
    602 typedef struct OnigCaptureTreeNodeStruct {
    603   int group;   /* group number */
    604   int beg;
    605   int end;
    606   int allocated;
    607   int num_childs;
    608   struct OnigCaptureTreeNodeStruct** childs;
    609 } OnigCaptureTreeNode;
    610 
    611 /* match result region type */
    612 struct re_registers {
    613   int  allocated;
    614   int  num_regs;
    615   int* beg;
    616   int* end;
    617   /* extended */
    618   OnigCaptureTreeNode* history_root;  /* capture history tree root */
    619 };
    620 
    621 /* capture tree traverse */
    622 #define ONIG_TRAVERSE_CALLBACK_AT_FIRST   1
    623 #define ONIG_TRAVERSE_CALLBACK_AT_LAST    2
    624 #define ONIG_TRAVERSE_CALLBACK_AT_BOTH \
    625   ( ONIG_TRAVERSE_CALLBACK_AT_FIRST | ONIG_TRAVERSE_CALLBACK_AT_LAST )
    626 
    627 
    628 #define ONIG_REGION_NOTPOS            -1
    629 
    630 typedef struct re_registers   OnigRegion;
    631 
    632 typedef struct {
    633   OnigEncoding enc;
    634   OnigUChar* par;
    635   OnigUChar* par_end;
    636 } OnigErrorInfo;
    637 
    638 typedef struct {
    639   int lower;
    640   int upper;
    641 } OnigRepeatRange;
    642 
    643 typedef void (*OnigWarnFunc) P_((const char* s));
    644 extern void onig_null_warn P_((const char* s));
    645 #define ONIG_NULL_WARN       onig_null_warn
    646 
    647 #define ONIG_CHAR_TABLE_SIZE   256
    648 
    649 /* regex_t state */
    650 #define ONIG_STATE_NORMAL              0
    651 #define ONIG_STATE_SEARCHING           1
    652 #define ONIG_STATE_COMPILING          -1
    653 #define ONIG_STATE_MODIFY             -2
    654 
    655 #define ONIG_STATE(reg) \
    656   ((reg)->state > 0 ? ONIG_STATE_SEARCHING : (reg)->state)
    657 
    658 typedef struct re_pattern_buffer {
    659   /* common members of BBuf(bytes-buffer) */
    660   unsigned char* p;         /* compiled pattern */
    661   unsigned int used;        /* used space for p */
    662   unsigned int alloc;       /* allocated space for p */
    663 
    664   int state;                     /* normal, searching, compiling */
    665   int num_mem;                   /* used memory(...) num counted from 1 */
    666   int num_repeat;                /* OP_REPEAT/OP_REPEAT_NG id-counter */
    667   int num_null_check;            /* OP_NULL_CHECK_START/END id counter */
    668   int num_comb_exp_check;        /* combination explosion check */
    669   int num_call;                  /* number of subexp call */
    670   unsigned int capture_history;  /* (?@...) flag (1-31) */
    671   unsigned int bt_mem_start;     /* need backtrack flag */
    672   unsigned int bt_mem_end;       /* need backtrack flag */
    673   int stack_pop_level;
    674   int repeat_range_alloc;
    675   OnigRepeatRange* repeat_range;
    676 
    677   OnigEncoding      enc;
    678   OnigOptionType    options;
    679   OnigSyntaxType*   syntax;
    680   OnigCaseFoldType  case_fold_flag;
    681   void*             name_table;
    682 
    683   /* optimization info (string search, char-map and anchors) */
    684   int            optimize;          /* optimize flag */
    685   int            threshold_len;     /* search str-length for apply optimize */
    686   int            anchor;            /* BEGIN_BUF, BEGIN_POS, (SEMI_)END_BUF */
    687   OnigDistance   anchor_dmin;       /* (SEMI_)END_BUF anchor distance */
    688   OnigDistance   anchor_dmax;       /* (SEMI_)END_BUF anchor distance */
    689   int            sub_anchor;        /* start-anchor for exact or map */
    690   unsigned char *exact;
    691   unsigned char *exact_end;
    692   unsigned char  map[ONIG_CHAR_TABLE_SIZE]; /* used as BM skip or char-map */
    693   int           *int_map;                   /* BM skip for exact_len > 255 */
    694   int           *int_map_backward;          /* BM skip for backward search */
    695   OnigDistance   dmin;                      /* min-distance of exact or map */
    696   OnigDistance   dmax;                      /* max-distance of exact or map */
    697 
    698   /* regex_t link chain */
    699   struct re_pattern_buffer* chain;  /* escape compile-conflict */
    700 } OnigRegexType;
    701 
    702 typedef OnigRegexType*  OnigRegex;
    703 
    704 #ifndef ONIG_ESCAPE_REGEX_T_COLLISION
    705   typedef OnigRegexType  regex_t;
    706 #endif
    707 
    708 
    709 typedef struct {
    710   int             num_of_elements;
    711   OnigEncoding    pattern_enc;
    712   OnigEncoding    target_enc;
    713   OnigSyntaxType* syntax;
    714   OnigOptionType  option;
    715   OnigCaseFoldType   case_fold_flag;
    716 } OnigCompileInfo;
    717 
    718 /* Oniguruma Native API */
    719 ONIG_EXTERN
    720 int onig_init P_((void));
    721 ONIG_EXTERN
    722 int EFIAPI onig_error_code_to_str PV_((OnigUChar* s, int err_code, ...));
    723 ONIG_EXTERN
    724 void onig_set_warn_func P_((OnigWarnFunc f));
    725 ONIG_EXTERN
    726 void onig_set_verb_warn_func P_((OnigWarnFunc f));
    727 ONIG_EXTERN
    728 int onig_new P_((OnigRegex*, const OnigUChar* pattern, const OnigUChar* pattern_end, OnigOptionType option, OnigEncoding enc, OnigSyntaxType* syntax, OnigErrorInfo* einfo));
    729 ONIG_EXTERN
    730 int  onig_reg_init P_((regex_t* reg, OnigOptionType option, OnigCaseFoldType case_fold_flag, OnigEncoding enc, OnigSyntaxType* syntax));
    731 int onig_new_without_alloc P_((OnigRegex, const OnigUChar* pattern, const OnigUChar* pattern_end, OnigOptionType option, OnigEncoding enc, OnigSyntaxType* syntax, OnigErrorInfo* einfo));
    732 ONIG_EXTERN
    733 int onig_new_deluxe P_((OnigRegex* reg, const OnigUChar* pattern, const OnigUChar* pattern_end, OnigCompileInfo* ci, OnigErrorInfo* einfo));
    734 ONIG_EXTERN
    735 void onig_free P_((OnigRegex));
    736 ONIG_EXTERN
    737 void onig_free_body P_((OnigRegex));
    738 ONIG_EXTERN
    739 int onig_recompile P_((OnigRegex, const OnigUChar* pattern, const OnigUChar* pattern_end, OnigOptionType option, OnigEncoding enc, OnigSyntaxType* syntax, OnigErrorInfo* einfo));
    740 ONIG_EXTERN
    741 int onig_recompile_deluxe P_((OnigRegex reg, const OnigUChar* pattern, const OnigUChar* pattern_end, OnigCompileInfo* ci, OnigErrorInfo* einfo));
    742 ONIG_EXTERN
    743 int onig_search P_((OnigRegex, const OnigUChar* str, const OnigUChar* end, const OnigUChar* start, const OnigUChar* range, OnigRegion* region, OnigOptionType option));
    744 ONIG_EXTERN
    745 int onig_match P_((OnigRegex, const OnigUChar* str, const OnigUChar* end, const OnigUChar* at, OnigRegion* region, OnigOptionType option));
    746 ONIG_EXTERN
    747 OnigRegion* onig_region_new P_((void));
    748 ONIG_EXTERN
    749 void onig_region_init P_((OnigRegion* region));
    750 ONIG_EXTERN
    751 void onig_region_free P_((OnigRegion* region, int free_self));
    752 ONIG_EXTERN
    753 void onig_region_copy P_((OnigRegion* to, OnigRegion* from));
    754 ONIG_EXTERN
    755 void onig_region_clear P_((OnigRegion* region));
    756 ONIG_EXTERN
    757 int onig_region_resize P_((OnigRegion* region, int n));
    758 ONIG_EXTERN
    759 int onig_region_set P_((OnigRegion* region, int at, int beg, int end));
    760 ONIG_EXTERN
    761 int onig_name_to_group_numbers P_((OnigRegex reg, const OnigUChar* name, const OnigUChar* name_end, int** nums));
    762 ONIG_EXTERN
    763 int onig_name_to_backref_number P_((OnigRegex reg, const OnigUChar* name, const OnigUChar* name_end, OnigRegion *region));
    764 ONIG_EXTERN
    765 int onig_foreach_name P_((OnigRegex reg, int (*func)(const OnigUChar*, const OnigUChar*,int,int*,OnigRegex,void*), void* arg));
    766 ONIG_EXTERN
    767 int onig_number_of_names P_((OnigRegex reg));
    768 ONIG_EXTERN
    769 int onig_number_of_captures P_((OnigRegex reg));
    770 ONIG_EXTERN
    771 int onig_number_of_capture_histories P_((OnigRegex reg));
    772 ONIG_EXTERN
    773 OnigCaptureTreeNode* onig_get_capture_tree P_((OnigRegion* region));
    774 ONIG_EXTERN
    775 int onig_capture_tree_traverse P_((OnigRegion* region, int at, int(*callback_func)(int,int,int,int,int,void*), void* arg));
    776 ONIG_EXTERN
    777 int onig_noname_group_capture_is_active P_((OnigRegex reg));
    778 ONIG_EXTERN
    779 OnigEncoding onig_get_encoding P_((OnigRegex reg));
    780 ONIG_EXTERN
    781 OnigOptionType onig_get_options P_((OnigRegex reg));
    782 ONIG_EXTERN
    783 OnigCaseFoldType onig_get_case_fold_flag P_((OnigRegex reg));
    784 ONIG_EXTERN
    785 OnigSyntaxType* onig_get_syntax P_((OnigRegex reg));
    786 ONIG_EXTERN
    787 int onig_set_default_syntax P_((OnigSyntaxType* syntax));
    788 ONIG_EXTERN
    789 void onig_copy_syntax P_((OnigSyntaxType* to, OnigSyntaxType* from));
    790 ONIG_EXTERN
    791 unsigned int onig_get_syntax_op P_((OnigSyntaxType* syntax));
    792 ONIG_EXTERN
    793 unsigned int onig_get_syntax_op2 P_((OnigSyntaxType* syntax));
    794 ONIG_EXTERN
    795 unsigned int onig_get_syntax_behavior P_((OnigSyntaxType* syntax));
    796 ONIG_EXTERN
    797 OnigOptionType onig_get_syntax_options P_((OnigSyntaxType* syntax));
    798 ONIG_EXTERN
    799 void onig_set_syntax_op P_((OnigSyntaxType* syntax, unsigned int op));
    800 ONIG_EXTERN
    801 void onig_set_syntax_op2 P_((OnigSyntaxType* syntax, unsigned int op2));
    802 ONIG_EXTERN
    803 void onig_set_syntax_behavior P_((OnigSyntaxType* syntax, unsigned int behavior));
    804 ONIG_EXTERN
    805 void onig_set_syntax_options P_((OnigSyntaxType* syntax, OnigOptionType options));
    806 ONIG_EXTERN
    807 int onig_set_meta_char P_((OnigSyntaxType* syntax, unsigned int what, OnigCodePoint code));
    808 ONIG_EXTERN
    809 void onig_copy_encoding P_((OnigEncoding to, OnigEncoding from));
    810 ONIG_EXTERN
    811 OnigCaseFoldType onig_get_default_case_fold_flag P_((void));
    812 ONIG_EXTERN
    813 int onig_set_default_case_fold_flag P_((OnigCaseFoldType case_fold_flag));
    814 ONIG_EXTERN
    815 unsigned int onig_get_match_stack_limit_size P_((void));
    816 ONIG_EXTERN
    817 int onig_set_match_stack_limit_size P_((unsigned int size));
    818 ONIG_EXTERN
    819 int onig_end P_((void));
    820 ONIG_EXTERN
    821 const char* onig_version P_((void));
    822 ONIG_EXTERN
    823 const char* onig_copyright P_((void));
    824 
    825 #ifdef __cplusplus
    826 }
    827 #endif
    828 
    829 #endif /* ONIGURUMA_H */
    830