1 #ifndef ONIGURUMA_H
2 #define ONIGURUMA_H
3 /**********************************************************************
4   oniguruma.h - Oniguruma (regular expression library)
5 **********************************************************************/
6 /*-
7  * Copyright (c) 2002-2018  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 #ifdef __cplusplus
33 extern "C" {
34 #endif
35 
36 #define ONIGURUMA
37 #define ONIGURUMA_VERSION_MAJOR   6
38 #define ONIGURUMA_VERSION_MINOR   9
39 #define ONIGURUMA_VERSION_TEENY   1
40 
41 #define ONIGURUMA_VERSION_INT     60901
42 
43 #ifndef P_
44 #if defined(__STDC__) || defined(_WIN32)
45 # define P_(args) args
46 #else
47 # define P_(args) ()
48 #endif
49 #endif
50 
51 #ifndef PV_
52 # define PV_(args) args
53 #endif
54 
55 #ifndef ONIG_EXTERN
56 #if defined(_WIN32) && !defined(__GNUC__)
57 #if defined(ONIGURUMA_EXPORT)
58 #define ONIG_EXTERN   extern __declspec(dllexport)
59 #else
60 #define ONIG_EXTERN   extern __declspec(dllimport)
61 #endif
62 #endif
63 #endif
64 
65 #ifndef ONIG_EXTERN
66 #define ONIG_EXTERN   extern
67 #endif
68 
69 /* PART: character encoding */
70 
71 #ifndef ONIG_ESCAPE_UCHAR_COLLISION
72 #define UChar OnigUChar
73 #endif
74 
75 typedef unsigned int   OnigCodePoint;
76 typedef unsigned char  OnigUChar;
77 typedef unsigned int   OnigCtype;
78 typedef unsigned int   OnigLen;
79 
80 #define ONIG_INFINITE_DISTANCE  ~((OnigLen )0)
81 
82 typedef unsigned int OnigCaseFoldType; /* case fold flag */
83 
84 ONIG_EXTERN OnigCaseFoldType OnigDefaultCaseFoldFlag;
85 
86 /* #define ONIGENC_CASE_FOLD_HIRAGANA_KATAKANA  (1<<1) */
87 /* #define ONIGENC_CASE_FOLD_KATAKANA_WIDTH     (1<<2) */
88 #define ONIGENC_CASE_FOLD_TURKISH_AZERI         (1<<20)
89 #define INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR   (1<<30)
90 
91 #define ONIGENC_CASE_FOLD_MIN      INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR
92 #define ONIGENC_CASE_FOLD_DEFAULT  OnigDefaultCaseFoldFlag
93 
94 
95 #define ONIGENC_MAX_COMP_CASE_FOLD_CODE_LEN       3
96 #define ONIGENC_GET_CASE_FOLD_CODES_MAX_NUM      13
97 /* 13 => Unicode:0x1ffc */
98 
99 /* code range */
100 #define ONIGENC_CODE_RANGE_NUM(range)     ((int )range[0])
101 #define ONIGENC_CODE_RANGE_FROM(range,i)  range[((i)*2) + 1]
102 #define ONIGENC_CODE_RANGE_TO(range,i)    range[((i)*2) + 2]
103 
104 typedef struct {
105   int byte_len;  /* argument(original) character(s) byte length */
106   int code_len;  /* number of code */
107   OnigCodePoint code[ONIGENC_MAX_COMP_CASE_FOLD_CODE_LEN];
108 } OnigCaseFoldCodeItem;
109 
110 typedef struct {
111   OnigCodePoint esc;
112   OnigCodePoint anychar;
113   OnigCodePoint anytime;
114   OnigCodePoint zero_or_one_time;
115   OnigCodePoint one_or_more_time;
116   OnigCodePoint anychar_anytime;
117 } OnigMetaCharTableType;
118 
119 typedef int (*OnigApplyAllCaseFoldFunc)(OnigCodePoint from, OnigCodePoint* to, int to_len, void* arg);
120 
121 typedef struct OnigEncodingTypeST {
122   int    (*mbc_enc_len)(const OnigUChar* p);
123   const char*   name;
124   int           max_enc_len;
125   int           min_enc_len;
126   int    (*is_mbc_newline)(const OnigUChar* p, const OnigUChar* end);
127   OnigCodePoint (*mbc_to_code)(const OnigUChar* p, const OnigUChar* end);
128   int    (*code_to_mbclen)(OnigCodePoint code);
129   int    (*code_to_mbc)(OnigCodePoint code, OnigUChar *buf);
130   int    (*mbc_case_fold)(OnigCaseFoldType flag, const OnigUChar** pp, const OnigUChar* end, OnigUChar* to);
131   int    (*apply_all_case_fold)(OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg);
132   int    (*get_case_fold_codes_by_str)(OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem acs[]);
133   int    (*property_name_to_ctype)(struct OnigEncodingTypeST* enc, OnigUChar* p, OnigUChar* end);
134   int    (*is_code_ctype)(OnigCodePoint code, OnigCtype ctype);
135   int    (*get_ctype_code_range)(OnigCtype ctype, OnigCodePoint* sb_out, const OnigCodePoint* ranges[]);
136   OnigUChar* (*left_adjust_char_head)(const OnigUChar* start, const OnigUChar* p);
137   int    (*is_allowed_reverse_match)(const OnigUChar* p, const OnigUChar* end);
138   int    (*init)(void);
139   int    (*is_initialized)(void);
140   int    (*is_valid_mbc_string)(const OnigUChar* s, const OnigUChar* end);
141   unsigned int flag;
142   OnigCodePoint sb_range;
143   int index;
144 } OnigEncodingType;
145 
146 typedef OnigEncodingType* OnigEncoding;
147 
148 ONIG_EXTERN OnigEncodingType OnigEncodingASCII;
149 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_1;
150 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_2;
151 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_3;
152 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_4;
153 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_5;
154 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_6;
155 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_7;
156 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_8;
157 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_9;
158 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_10;
159 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_11;
160 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_13;
161 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_14;
162 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_15;
163 ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_16;
164 ONIG_EXTERN OnigEncodingType OnigEncodingUTF8;
165 ONIG_EXTERN OnigEncodingType OnigEncodingUTF16_BE;
166 ONIG_EXTERN OnigEncodingType OnigEncodingUTF16_LE;
167 ONIG_EXTERN OnigEncodingType OnigEncodingUTF32_BE;
168 ONIG_EXTERN OnigEncodingType OnigEncodingUTF32_LE;
169 ONIG_EXTERN OnigEncodingType OnigEncodingEUC_JP;
170 ONIG_EXTERN OnigEncodingType OnigEncodingEUC_TW;
171 ONIG_EXTERN OnigEncodingType OnigEncodingEUC_KR;
172 ONIG_EXTERN OnigEncodingType OnigEncodingEUC_CN;
173 ONIG_EXTERN OnigEncodingType OnigEncodingSJIS;
174 ONIG_EXTERN OnigEncodingType OnigEncodingKOI8;
175 ONIG_EXTERN OnigEncodingType OnigEncodingKOI8_R;
176 ONIG_EXTERN OnigEncodingType OnigEncodingCP1251;
177 ONIG_EXTERN OnigEncodingType OnigEncodingBIG5;
178 ONIG_EXTERN OnigEncodingType OnigEncodingGB18030;
179 
180 #define ONIG_ENCODING_ASCII        (&OnigEncodingASCII)
181 #define ONIG_ENCODING_ISO_8859_1   (&OnigEncodingISO_8859_1)
182 #define ONIG_ENCODING_ISO_8859_2   (&OnigEncodingISO_8859_2)
183 #define ONIG_ENCODING_ISO_8859_3   (&OnigEncodingISO_8859_3)
184 #define ONIG_ENCODING_ISO_8859_4   (&OnigEncodingISO_8859_4)
185 #define ONIG_ENCODING_ISO_8859_5   (&OnigEncodingISO_8859_5)
186 #define ONIG_ENCODING_ISO_8859_6   (&OnigEncodingISO_8859_6)
187 #define ONIG_ENCODING_ISO_8859_7   (&OnigEncodingISO_8859_7)
188 #define ONIG_ENCODING_ISO_8859_8   (&OnigEncodingISO_8859_8)
189 #define ONIG_ENCODING_ISO_8859_9   (&OnigEncodingISO_8859_9)
190 #define ONIG_ENCODING_ISO_8859_10  (&OnigEncodingISO_8859_10)
191 #define ONIG_ENCODING_ISO_8859_11  (&OnigEncodingISO_8859_11)
192 #define ONIG_ENCODING_ISO_8859_13  (&OnigEncodingISO_8859_13)
193 #define ONIG_ENCODING_ISO_8859_14  (&OnigEncodingISO_8859_14)
194 #define ONIG_ENCODING_ISO_8859_15  (&OnigEncodingISO_8859_15)
195 #define ONIG_ENCODING_ISO_8859_16  (&OnigEncodingISO_8859_16)
196 #define ONIG_ENCODING_UTF8         (&OnigEncodingUTF8)
197 #define ONIG_ENCODING_UTF16_BE     (&OnigEncodingUTF16_BE)
198 #define ONIG_ENCODING_UTF16_LE     (&OnigEncodingUTF16_LE)
199 #define ONIG_ENCODING_UTF32_BE     (&OnigEncodingUTF32_BE)
200 #define ONIG_ENCODING_UTF32_LE     (&OnigEncodingUTF32_LE)
201 #define ONIG_ENCODING_EUC_JP       (&OnigEncodingEUC_JP)
202 #define ONIG_ENCODING_EUC_TW       (&OnigEncodingEUC_TW)
203 #define ONIG_ENCODING_EUC_KR       (&OnigEncodingEUC_KR)
204 #define ONIG_ENCODING_EUC_CN       (&OnigEncodingEUC_CN)
205 #define ONIG_ENCODING_SJIS         (&OnigEncodingSJIS)
206 #define ONIG_ENCODING_KOI8         (&OnigEncodingKOI8)
207 #define ONIG_ENCODING_KOI8_R       (&OnigEncodingKOI8_R)
208 #define ONIG_ENCODING_CP1251       (&OnigEncodingCP1251)
209 #define ONIG_ENCODING_BIG5         (&OnigEncodingBIG5)
210 #define ONIG_ENCODING_GB18030      (&OnigEncodingGB18030)
211 
212 #define ONIG_ENCODING_UNDEF    ((OnigEncoding )0)
213 
214 
215 /* work size */
216 #define ONIGENC_CODE_TO_MBC_MAXLEN       7
217 #define ONIGENC_MBC_CASE_FOLD_MAXLEN    18
218 /* 18: 6(max-byte) * 3(case-fold chars) */
219 
220 /* character types */
221 typedef enum {
222   ONIGENC_CTYPE_NEWLINE = 0,
223   ONIGENC_CTYPE_ALPHA   = 1,
224   ONIGENC_CTYPE_BLANK   = 2,
225   ONIGENC_CTYPE_CNTRL   = 3,
226   ONIGENC_CTYPE_DIGIT   = 4,
227   ONIGENC_CTYPE_GRAPH   = 5,
228   ONIGENC_CTYPE_LOWER   = 6,
229   ONIGENC_CTYPE_PRINT   = 7,
230   ONIGENC_CTYPE_PUNCT   = 8,
231   ONIGENC_CTYPE_SPACE   = 9,
232   ONIGENC_CTYPE_UPPER   = 10,
233   ONIGENC_CTYPE_XDIGIT  = 11,
234   ONIGENC_CTYPE_WORD    = 12,
235   ONIGENC_CTYPE_ALNUM   = 13,  /* alpha || digit */
236   ONIGENC_CTYPE_ASCII   = 14
237 } OnigEncCtype;
238 
239 #define ONIGENC_MAX_STD_CTYPE  ONIGENC_CTYPE_ASCII
240 
241 
242 #define onig_enc_len(enc,p,end)        ONIGENC_MBC_ENC_LEN(enc,p)
243 
244 #define ONIGENC_IS_UNDEF(enc)          ((enc) == ONIG_ENCODING_UNDEF)
245 #define ONIGENC_IS_SINGLEBYTE(enc)     (ONIGENC_MBC_MAXLEN(enc) == 1)
246 #define ONIGENC_IS_MBC_HEAD(enc,p)     (ONIGENC_MBC_ENC_LEN(enc,p) != 1)
247 #define ONIGENC_IS_MBC_ASCII(p)           (*(p)   < 128)
248 #define ONIGENC_IS_CODE_ASCII(code)       ((code) < 128)
249 #define ONIGENC_IS_MBC_WORD(enc,s,end) \
250    ONIGENC_IS_CODE_WORD(enc,ONIGENC_MBC_TO_CODE(enc,s,end))
251 #define ONIGENC_IS_MBC_WORD_ASCII(enc,s,end) onigenc_is_mbc_word_ascii(enc,s,end)
252 
253 #define ONIGENC_NAME(enc)                      ((enc)->name)
254 
255 #define ONIGENC_MBC_CASE_FOLD(enc,flag,pp,end,buf) \
256   (enc)->mbc_case_fold(flag,(const OnigUChar** )pp,end,buf)
257 #define ONIGENC_IS_ALLOWED_REVERSE_MATCH(enc,s,end) \
258         (enc)->is_allowed_reverse_match(s,end)
259 #define ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc,start,s) \
260         (enc)->left_adjust_char_head(start, s)
261 #define ONIGENC_IS_VALID_MBC_STRING(enc,s,end) \
262         (enc)->is_valid_mbc_string(s,end)
263 #define ONIGENC_APPLY_ALL_CASE_FOLD(enc,case_fold_flag,f,arg) \
264         (enc)->apply_all_case_fold(case_fold_flag,f,arg)
265 #define ONIGENC_GET_CASE_FOLD_CODES_BY_STR(enc,case_fold_flag,p,end,acs) \
266        (enc)->get_case_fold_codes_by_str(case_fold_flag,p,end,acs)
267 #define ONIGENC_STEP_BACK(enc,start,s,n) \
268         onigenc_step_back((enc),(start),(s),(n))
269 
270 #define ONIGENC_MBC_ENC_LEN(enc,p)             (enc)->mbc_enc_len(p)
271 #define ONIGENC_MBC_MAXLEN(enc)               ((enc)->max_enc_len)
272 #define ONIGENC_MBC_MAXLEN_DIST(enc)           ONIGENC_MBC_MAXLEN(enc)
273 #define ONIGENC_MBC_MINLEN(enc)               ((enc)->min_enc_len)
274 #define ONIGENC_IS_MBC_NEWLINE(enc,p,end)      (enc)->is_mbc_newline((p),(end))
275 #define ONIGENC_MBC_TO_CODE(enc,p,end)         (enc)->mbc_to_code((p),(end))
276 #define ONIGENC_CODE_TO_MBCLEN(enc,code)       (enc)->code_to_mbclen(code)
277 #define ONIGENC_CODE_TO_MBC(enc,code,buf)      (enc)->code_to_mbc(code,buf)
278 #define ONIGENC_PROPERTY_NAME_TO_CTYPE(enc,p,end) \
279   (enc)->property_name_to_ctype(enc,p,end)
280 
281 #define ONIGENC_IS_CODE_CTYPE(enc,code,ctype)  (enc)->is_code_ctype(code,ctype)
282 
283 #define ONIGENC_IS_CODE_NEWLINE(enc,code) \
284         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_NEWLINE)
285 #define ONIGENC_IS_CODE_GRAPH(enc,code) \
286         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_GRAPH)
287 #define ONIGENC_IS_CODE_PRINT(enc,code) \
288         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_PRINT)
289 #define ONIGENC_IS_CODE_ALNUM(enc,code) \
290         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_ALNUM)
291 #define ONIGENC_IS_CODE_ALPHA(enc,code) \
292         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_ALPHA)
293 #define ONIGENC_IS_CODE_LOWER(enc,code) \
294         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_LOWER)
295 #define ONIGENC_IS_CODE_UPPER(enc,code) \
296         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_UPPER)
297 #define ONIGENC_IS_CODE_CNTRL(enc,code) \
298         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_CNTRL)
299 #define ONIGENC_IS_CODE_PUNCT(enc,code) \
300         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_PUNCT)
301 #define ONIGENC_IS_CODE_SPACE(enc,code) \
302         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_SPACE)
303 #define ONIGENC_IS_CODE_BLANK(enc,code) \
304         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_BLANK)
305 #define ONIGENC_IS_CODE_DIGIT(enc,code) \
306         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_DIGIT)
307 #define ONIGENC_IS_CODE_XDIGIT(enc,code) \
308         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_XDIGIT)
309 #define ONIGENC_IS_CODE_WORD(enc,code) \
310         ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_WORD)
311 
312 #define ONIGENC_GET_CTYPE_CODE_RANGE(enc,ctype,sbout,ranges) \
313         (enc)->get_ctype_code_range(ctype,sbout,ranges)
314 
315 ONIG_EXTERN
316 OnigUChar* onigenc_step_back P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s, int n));
317 
318 
319 /* encoding API */
320 ONIG_EXTERN
321 int onigenc_init P_((void));
322 ONIG_EXTERN
323 int onig_initialize_encoding P_((OnigEncoding enc));
324 ONIG_EXTERN
325 int onigenc_set_default_encoding P_((OnigEncoding enc));
326 ONIG_EXTERN
327 OnigEncoding onigenc_get_default_encoding P_((void));
328 ONIG_EXTERN
329 void  onigenc_set_default_caseconv_table P_((const OnigUChar* table));
330 ONIG_EXTERN
331 OnigUChar* onigenc_get_right_adjust_char_head_with_prev P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s, const OnigUChar** prev));
332 ONIG_EXTERN
333 OnigUChar* onigenc_get_prev_char_head P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s));
334 ONIG_EXTERN
335 OnigUChar* onigenc_get_left_adjust_char_head P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s));
336 ONIG_EXTERN
337 OnigUChar* onigenc_get_right_adjust_char_head P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s));
338 ONIG_EXTERN
339 int onigenc_strlen P_((OnigEncoding enc, const OnigUChar* p, const OnigUChar* end));
340 ONIG_EXTERN
341 int onigenc_strlen_null P_((OnigEncoding enc, const OnigUChar* p));
342 ONIG_EXTERN
343 int onigenc_str_bytelen_null P_((OnigEncoding enc, const OnigUChar* p));
344 ONIG_EXTERN
345 int onigenc_is_valid_mbc_string P_((OnigEncoding enc, const OnigUChar* s, const OnigUChar* end));
346 ONIG_EXTERN
347 OnigUChar* onigenc_strdup P_((OnigEncoding enc, const OnigUChar* s, const OnigUChar* end));
348 
349 
350 /* PART: regular expression */
351 
352 /* config parameters */
353 #define ONIG_NREGION                          10
354 #define ONIG_MAX_CAPTURE_NUM          2147483647  /* 2**31 - 1 */
355 #define ONIG_MAX_BACKREF_NUM                1000
356 #define ONIG_MAX_REPEAT_NUM               100000
357 #define ONIG_MAX_MULTI_BYTE_RANGES_NUM     10000
358 /* constants */
359 #define ONIG_MAX_ERROR_MESSAGE_LEN            90
360 
361 typedef unsigned int        OnigOptionType;
362 
363 #define ONIG_OPTION_DEFAULT            ONIG_OPTION_NONE
364 
365 /* options */
366 #define ONIG_OPTION_NONE                 0U
367 /* options (compile time) */
368 #define ONIG_OPTION_IGNORECASE           1U
369 #define ONIG_OPTION_EXTEND               (ONIG_OPTION_IGNORECASE         << 1)
370 #define ONIG_OPTION_MULTILINE            (ONIG_OPTION_EXTEND             << 1)
371 #define ONIG_OPTION_SINGLELINE           (ONIG_OPTION_MULTILINE          << 1)
372 #define ONIG_OPTION_FIND_LONGEST         (ONIG_OPTION_SINGLELINE         << 1)
373 #define ONIG_OPTION_FIND_NOT_EMPTY       (ONIG_OPTION_FIND_LONGEST       << 1)
374 #define ONIG_OPTION_NEGATE_SINGLELINE    (ONIG_OPTION_FIND_NOT_EMPTY     << 1)
375 #define ONIG_OPTION_DONT_CAPTURE_GROUP   (ONIG_OPTION_NEGATE_SINGLELINE  << 1)
376 #define ONIG_OPTION_CAPTURE_GROUP        (ONIG_OPTION_DONT_CAPTURE_GROUP << 1)
377 /* options (search time) */
378 #define ONIG_OPTION_NOTBOL                    (ONIG_OPTION_CAPTURE_GROUP << 1)
379 #define ONIG_OPTION_NOTEOL                    (ONIG_OPTION_NOTBOL << 1)
380 #define ONIG_OPTION_POSIX_REGION              (ONIG_OPTION_NOTEOL << 1)
381 #define ONIG_OPTION_CHECK_VALIDITY_OF_STRING  (ONIG_OPTION_POSIX_REGION << 1)
382 /* #define ONIG_OPTION_CRLF_AS_LINE_SEPARATOR    (ONIG_OPTION_CHECK_VALIDITY_OF_STRING << 1) */
383 /* options (compile time) */
384 #define ONIG_OPTION_WORD_IS_ASCII        (ONIG_OPTION_CHECK_VALIDITY_OF_STRING << 4)
385 #define ONIG_OPTION_DIGIT_IS_ASCII       (ONIG_OPTION_WORD_IS_ASCII << 1)
386 #define ONIG_OPTION_SPACE_IS_ASCII       (ONIG_OPTION_DIGIT_IS_ASCII << 1)
387 #define ONIG_OPTION_POSIX_IS_ASCII       (ONIG_OPTION_SPACE_IS_ASCII << 1)
388 
389 #define ONIG_OPTION_MAXBIT               ONIG_OPTION_POSIX_IS_ASCII  /* limit */
390 
391 #define ONIG_OPTION_ON(options,regopt)      ((options) |= (regopt))
392 #define ONIG_OPTION_OFF(options,regopt)     ((options) &= ~(regopt))
393 #define ONIG_IS_OPTION_ON(options,option)   ((options) & (option))
394 
395 /* syntax */
396 typedef struct {
397   unsigned int   op;
398   unsigned int   op2;
399   unsigned int   behavior;
400   OnigOptionType options;   /* default option */
401   OnigMetaCharTableType meta_char_table;
402 } OnigSyntaxType;
403 
404 ONIG_EXTERN OnigSyntaxType OnigSyntaxASIS;
405 ONIG_EXTERN OnigSyntaxType OnigSyntaxPosixBasic;
406 ONIG_EXTERN OnigSyntaxType OnigSyntaxPosixExtended;
407 ONIG_EXTERN OnigSyntaxType OnigSyntaxEmacs;
408 ONIG_EXTERN OnigSyntaxType OnigSyntaxGrep;
409 ONIG_EXTERN OnigSyntaxType OnigSyntaxGnuRegex;
410 ONIG_EXTERN OnigSyntaxType OnigSyntaxJava;
411 ONIG_EXTERN OnigSyntaxType OnigSyntaxPerl;
412 ONIG_EXTERN OnigSyntaxType OnigSyntaxPerl_NG;
413 ONIG_EXTERN OnigSyntaxType OnigSyntaxRuby;
414 ONIG_EXTERN OnigSyntaxType OnigSyntaxOniguruma;
415 
416 /* predefined syntaxes (see regsyntax.c) */
417 #define ONIG_SYNTAX_ASIS               (&OnigSyntaxASIS)
418 #define ONIG_SYNTAX_POSIX_BASIC        (&OnigSyntaxPosixBasic)
419 #define ONIG_SYNTAX_POSIX_EXTENDED     (&OnigSyntaxPosixExtended)
420 #define ONIG_SYNTAX_EMACS              (&OnigSyntaxEmacs)
421 #define ONIG_SYNTAX_GREP               (&OnigSyntaxGrep)
422 #define ONIG_SYNTAX_GNU_REGEX          (&OnigSyntaxGnuRegex)
423 #define ONIG_SYNTAX_JAVA               (&OnigSyntaxJava)
424 #define ONIG_SYNTAX_PERL               (&OnigSyntaxPerl)
425 #define ONIG_SYNTAX_PERL_NG            (&OnigSyntaxPerl_NG)
426 #define ONIG_SYNTAX_RUBY               (&OnigSyntaxRuby)
427 #define ONIG_SYNTAX_ONIGURUMA          (&OnigSyntaxOniguruma)
428 
429 /* default syntax */
430 ONIG_EXTERN OnigSyntaxType*   OnigDefaultSyntax;
431 #define ONIG_SYNTAX_DEFAULT   OnigDefaultSyntax
432 
433 /* syntax (operators) */
434 #define ONIG_SYN_OP_VARIABLE_META_CHARACTERS    (1U<<0)
435 #define ONIG_SYN_OP_DOT_ANYCHAR                 (1U<<1)   /* . */
436 #define ONIG_SYN_OP_ASTERISK_ZERO_INF           (1U<<2)   /* * */
437 #define ONIG_SYN_OP_ESC_ASTERISK_ZERO_INF       (1U<<3)
438 #define ONIG_SYN_OP_PLUS_ONE_INF                (1U<<4)   /* + */
439 #define ONIG_SYN_OP_ESC_PLUS_ONE_INF            (1U<<5)
440 #define ONIG_SYN_OP_QMARK_ZERO_ONE              (1U<<6)   /* ? */
441 #define ONIG_SYN_OP_ESC_QMARK_ZERO_ONE          (1U<<7)
442 #define ONIG_SYN_OP_BRACE_INTERVAL              (1U<<8)   /* {lower,upper} */
443 #define ONIG_SYN_OP_ESC_BRACE_INTERVAL          (1U<<9)   /* \{lower,upper\} */
444 #define ONIG_SYN_OP_VBAR_ALT                    (1U<<10)   /* | */
445 #define ONIG_SYN_OP_ESC_VBAR_ALT                (1U<<11)  /* \| */
446 #define ONIG_SYN_OP_LPAREN_SUBEXP               (1U<<12)  /* (...)   */
447 #define ONIG_SYN_OP_ESC_LPAREN_SUBEXP           (1U<<13)  /* \(...\) */
448 #define ONIG_SYN_OP_ESC_AZ_BUF_ANCHOR           (1U<<14)  /* \A, \Z, \z */
449 #define ONIG_SYN_OP_ESC_CAPITAL_G_BEGIN_ANCHOR  (1U<<15)  /* \G     */
450 #define ONIG_SYN_OP_DECIMAL_BACKREF             (1U<<16)  /* \num   */
451 #define ONIG_SYN_OP_BRACKET_CC                  (1U<<17)  /* [...]  */
452 #define ONIG_SYN_OP_ESC_W_WORD                  (1U<<18)  /* \w, \W */
453 #define ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END     (1U<<19)  /* \<. \> */
454 #define ONIG_SYN_OP_ESC_B_WORD_BOUND            (1U<<20)  /* \b, \B */
455 #define ONIG_SYN_OP_ESC_S_WHITE_SPACE           (1U<<21)  /* \s, \S */
456 #define ONIG_SYN_OP_ESC_D_DIGIT                 (1U<<22)  /* \d, \D */
457 #define ONIG_SYN_OP_LINE_ANCHOR                 (1U<<23)  /* ^, $   */
458 #define ONIG_SYN_OP_POSIX_BRACKET               (1U<<24)  /* [:xxxx:] */
459 #define ONIG_SYN_OP_QMARK_NON_GREEDY            (1U<<25)  /* ??,*?,+?,{n,m}? */
460 #define ONIG_SYN_OP_ESC_CONTROL_CHARS           (1U<<26)  /* \n,\r,\t,\a ... */
461 #define ONIG_SYN_OP_ESC_C_CONTROL               (1U<<27)  /* \cx  */
462 #define ONIG_SYN_OP_ESC_OCTAL3                  (1U<<28)  /* \OOO */
463 #define ONIG_SYN_OP_ESC_X_HEX2                  (1U<<29)  /* \xHH */
464 #define ONIG_SYN_OP_ESC_X_BRACE_HEX8            (1U<<30)  /* \x{7HHHHHHH} */
465 #define ONIG_SYN_OP_ESC_O_BRACE_OCTAL           (1U<<31)  /* \o{1OOOOOOOOOO} */
466 
467 #define ONIG_SYN_OP2_ESC_CAPITAL_Q_QUOTE        (1U<<0)  /* \Q...\E */
468 #define ONIG_SYN_OP2_QMARK_GROUP_EFFECT         (1U<<1)  /* (?...) */
469 #define ONIG_SYN_OP2_OPTION_PERL                (1U<<2)  /* (?imsx),(?-imsx) */
470 #define ONIG_SYN_OP2_OPTION_RUBY                (1U<<3)  /* (?imx), (?-imx)  */
471 #define ONIG_SYN_OP2_PLUS_POSSESSIVE_REPEAT     (1U<<4)  /* ?+,*+,++ */
472 #define ONIG_SYN_OP2_PLUS_POSSESSIVE_INTERVAL   (1U<<5)  /* {n,m}+   */
473 #define ONIG_SYN_OP2_CCLASS_SET_OP              (1U<<6)  /* [...&&..[..]..] */
474 #define ONIG_SYN_OP2_QMARK_LT_NAMED_GROUP       (1U<<7)  /* (?<name>...) */
475 #define ONIG_SYN_OP2_ESC_K_NAMED_BACKREF        (1U<<8)  /* \k<name> */
476 #define ONIG_SYN_OP2_ESC_G_SUBEXP_CALL          (1U<<9)  /* \g<name>, \g<n> */
477 #define ONIG_SYN_OP2_ATMARK_CAPTURE_HISTORY     (1U<<10) /* (?@..),(?@<x>..) */
478 #define ONIG_SYN_OP2_ESC_CAPITAL_C_BAR_CONTROL  (1U<<11) /* \C-x */
479 #define ONIG_SYN_OP2_ESC_CAPITAL_M_BAR_META     (1U<<12) /* \M-x */
480 #define ONIG_SYN_OP2_ESC_V_VTAB                 (1U<<13) /* \v as VTAB */
481 #define ONIG_SYN_OP2_ESC_U_HEX4                 (1U<<14) /* \uHHHH */
482 #define ONIG_SYN_OP2_ESC_GNU_BUF_ANCHOR         (1U<<15) /* \`, \' */
483 #define ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY  (1U<<16) /* \p{...}, \P{...} */
484 #define ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT (1U<<17) /* \p{^..}, \P{^..} */
485 /* #define ONIG_SYN_OP2_CHAR_PROPERTY_PREFIX_IS (1U<<18) */
486 #define ONIG_SYN_OP2_ESC_H_XDIGIT               (1U<<19) /* \h, \H */
487 #define ONIG_SYN_OP2_INEFFECTIVE_ESCAPE         (1U<<20) /* \ */
488 #define ONIG_SYN_OP2_QMARK_LPAREN_IF_ELSE       (1U<<21) /* (?(n)) (?(...)...|...) */
489 #define ONIG_SYN_OP2_ESC_CAPITAL_K_KEEP         (1U<<22) /* \K */
490 #define ONIG_SYN_OP2_ESC_CAPITAL_R_GENERAL_NEWLINE (1U<<23) /* \R \r\n else [\x0a-\x0d] */
491 #define ONIG_SYN_OP2_ESC_CAPITAL_N_O_SUPER_DOT  (1U<<24) /* \N (?-m:.), \O (?m:.) */
492 #define ONIG_SYN_OP2_QMARK_TILDE_ABSENT_GROUP   (1U<<25) /* (?~...) */
493 #define ONIG_SYN_OP2_ESC_X_Y_GRAPHEME_CLUSTER   (1U<<26) /* \X \y \Y */
494 #define ONIG_SYN_OP2_QMARK_PERL_SUBEXP_CALL     (1U<<27) /* (?R), (?&name)... */
495 #define ONIG_SYN_OP2_QMARK_BRACE_CALLOUT_CONTENTS (1U<<28) /* (?{...}) (?{{...}}) */
496 #define ONIG_SYN_OP2_ASTERISK_CALLOUT_NAME      (1U<<29) /* (*name) (*name{a,..}) */
497 
498 /* syntax (behavior) */
499 #define ONIG_SYN_CONTEXT_INDEP_ANCHORS           (1U<<31) /* not implemented */
500 #define ONIG_SYN_CONTEXT_INDEP_REPEAT_OPS        (1U<<0)  /* ?, *, +, {n,m} */
501 #define ONIG_SYN_CONTEXT_INVALID_REPEAT_OPS      (1U<<1)  /* error or ignore */
502 #define ONIG_SYN_ALLOW_UNMATCHED_CLOSE_SUBEXP    (1U<<2)  /* ...)... */
503 #define ONIG_SYN_ALLOW_INVALID_INTERVAL          (1U<<3)  /* {??? */
504 #define ONIG_SYN_ALLOW_INTERVAL_LOW_ABBREV       (1U<<4)  /* {,n} => {0,n} */
505 #define ONIG_SYN_STRICT_CHECK_BACKREF            (1U<<5)  /* /(\1)/,/\1()/ ..*/
506 #define ONIG_SYN_DIFFERENT_LEN_ALT_LOOK_BEHIND   (1U<<6)  /* (?<=a|bc) */
507 #define ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP        (1U<<7)  /* see doc/RE */
508 #define ONIG_SYN_ALLOW_MULTIPLEX_DEFINITION_NAME (1U<<8)  /* (?<x>)(?<x>) */
509 #define ONIG_SYN_FIXED_INTERVAL_IS_GREEDY_ONLY   (1U<<9)  /* a{n}?=(?:a{n})? */
510 
511 /* syntax (behavior) in char class [...] */
512 #define ONIG_SYN_NOT_NEWLINE_IN_NEGATIVE_CC      (1U<<20) /* [^...] */
513 #define ONIG_SYN_BACKSLASH_ESCAPE_IN_CC          (1U<<21) /* [..\w..] etc.. */
514 #define ONIG_SYN_ALLOW_EMPTY_RANGE_IN_CC         (1U<<22)
515 #define ONIG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC     (1U<<23) /* [0-9-a]=[0-9\-a] */
516 /* syntax (behavior) warning */
517 #define ONIG_SYN_WARN_CC_OP_NOT_ESCAPED          (1U<<24) /* [,-,] */
518 #define ONIG_SYN_WARN_REDUNDANT_NESTED_REPEAT    (1U<<25) /* (?:a*)+ */
519 
520 /* meta character specifiers (onig_set_meta_char()) */
521 #define ONIG_META_CHAR_ESCAPE               0
522 #define ONIG_META_CHAR_ANYCHAR              1
523 #define ONIG_META_CHAR_ANYTIME              2
524 #define ONIG_META_CHAR_ZERO_OR_ONE_TIME     3
525 #define ONIG_META_CHAR_ONE_OR_MORE_TIME     4
526 #define ONIG_META_CHAR_ANYCHAR_ANYTIME      5
527 
528 #define ONIG_INEFFECTIVE_META_CHAR          0
529 
530 /* error codes */
531 #define ONIG_IS_PATTERN_ERROR(ecode)   ((ecode) <= -100 && (ecode) > -1000)
532 /* normal return */
533 #define ONIG_NORMAL                                            0
534 #define ONIG_MISMATCH                                         -1
535 #define ONIG_NO_SUPPORT_CONFIG                                -2
536 #define ONIG_ABORT                                            -3
537 
538 /* internal error */
539 #define ONIGERR_MEMORY                                         -5
540 #define ONIGERR_TYPE_BUG                                       -6
541 #define ONIGERR_PARSER_BUG                                    -11
542 #define ONIGERR_STACK_BUG                                     -12
543 #define ONIGERR_UNDEFINED_BYTECODE                            -13
544 #define ONIGERR_UNEXPECTED_BYTECODE                           -14
545 #define ONIGERR_MATCH_STACK_LIMIT_OVER                        -15
546 #define ONIGERR_PARSE_DEPTH_LIMIT_OVER                        -16
547 #define ONIGERR_RETRY_LIMIT_IN_MATCH_OVER                     -17
548 #define ONIGERR_DEFAULT_ENCODING_IS_NOT_SETTED                -21
549 #define ONIGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR  -22
550 #define ONIGERR_FAIL_TO_INITIALIZE                            -23
551 /* general error */
552 #define ONIGERR_INVALID_ARGUMENT                              -30
553 /* syntax error */
554 #define ONIGERR_END_PATTERN_AT_LEFT_BRACE                    -100
555 #define ONIGERR_END_PATTERN_AT_LEFT_BRACKET                  -101
556 #define ONIGERR_EMPTY_CHAR_CLASS                             -102
557 #define ONIGERR_PREMATURE_END_OF_CHAR_CLASS                  -103
558 #define ONIGERR_END_PATTERN_AT_ESCAPE                        -104
559 #define ONIGERR_END_PATTERN_AT_META                          -105
560 #define ONIGERR_END_PATTERN_AT_CONTROL                       -106
561 #define ONIGERR_META_CODE_SYNTAX                             -108
562 #define ONIGERR_CONTROL_CODE_SYNTAX                          -109
563 #define ONIGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE             -110
564 #define ONIGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE           -111
565 #define ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS      -112
566 #define ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED      -113
567 #define ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID            -114
568 #define ONIGERR_NESTED_REPEAT_OPERATOR                       -115
569 #define ONIGERR_UNMATCHED_CLOSE_PARENTHESIS                  -116
570 #define ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS       -117
571 #define ONIGERR_END_PATTERN_IN_GROUP                         -118
572 #define ONIGERR_UNDEFINED_GROUP_OPTION                       -119
573 #define ONIGERR_INVALID_POSIX_BRACKET_TYPE                   -121
574 #define ONIGERR_INVALID_LOOK_BEHIND_PATTERN                  -122
575 #define ONIGERR_INVALID_REPEAT_RANGE_PATTERN                 -123
576 /* values error (syntax error) */
577 #define ONIGERR_TOO_BIG_NUMBER                               -200
578 #define ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE              -201
579 #define ONIGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE     -202
580 #define ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS                    -203
581 #define ONIGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE          -204
582 #define ONIGERR_TOO_MANY_MULTI_BYTE_RANGES                   -205
583 #define ONIGERR_TOO_SHORT_MULTI_BYTE_STRING                  -206
584 #define ONIGERR_TOO_BIG_BACKREF_NUMBER                       -207
585 #define ONIGERR_INVALID_BACKREF                              -208
586 #define ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED         -209
587 #define ONIGERR_TOO_MANY_CAPTURES                            -210
588 #define ONIGERR_TOO_LONG_WIDE_CHAR_VALUE                     -212
589 #define ONIGERR_EMPTY_GROUP_NAME                             -214
590 #define ONIGERR_INVALID_GROUP_NAME                           -215
591 #define ONIGERR_INVALID_CHAR_IN_GROUP_NAME                   -216
592 #define ONIGERR_UNDEFINED_NAME_REFERENCE                     -217
593 #define ONIGERR_UNDEFINED_GROUP_REFERENCE                    -218
594 #define ONIGERR_MULTIPLEX_DEFINED_NAME                       -219
595 #define ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL               -220
596 #define ONIGERR_NEVER_ENDING_RECURSION                       -221
597 #define ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY        -222
598 #define ONIGERR_INVALID_CHAR_PROPERTY_NAME                   -223
599 #define ONIGERR_INVALID_IF_ELSE_SYNTAX                       -224
600 #define ONIGERR_INVALID_ABSENT_GROUP_PATTERN                 -225
601 #define ONIGERR_INVALID_ABSENT_GROUP_GENERATOR_PATTERN       -226
602 #define ONIGERR_INVALID_CALLOUT_PATTERN                      -227
603 #define ONIGERR_INVALID_CALLOUT_NAME                         -228
604 #define ONIGERR_UNDEFINED_CALLOUT_NAME                       -229
605 #define ONIGERR_INVALID_CALLOUT_BODY                         -230
606 #define ONIGERR_INVALID_CALLOUT_TAG_NAME                     -231
607 #define ONIGERR_INVALID_CALLOUT_ARG                          -232
608 #define ONIGERR_INVALID_CODE_POINT_VALUE                     -400
609 #define ONIGERR_INVALID_WIDE_CHAR_VALUE                      -400
610 #define ONIGERR_TOO_BIG_WIDE_CHAR_VALUE                      -401
611 #define ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION           -402
612 #define ONIGERR_INVALID_COMBINATION_OF_OPTIONS               -403
613 #define ONIGERR_TOO_MANY_USER_DEFINED_OBJECTS                -404
614 #define ONIGERR_TOO_LONG_PROPERTY_NAME                       -405
615 #define ONIGERR_LIBRARY_IS_NOT_INITIALIZED                   -500
616 
617 /* errors related to thread */
618 /* #define ONIGERR_OVER_THREAD_PASS_LIMIT_COUNT                -1001 */
619 
620 
621 /* must be smaller than MEM_STATUS_BITS_NUM (unsigned int * 8) */
622 #define ONIG_MAX_CAPTURE_HISTORY_GROUP   31
623 #define ONIG_IS_CAPTURE_HISTORY_GROUP(r, i) \
624   ((i) <= ONIG_MAX_CAPTURE_HISTORY_GROUP && (r)->list && (r)->list[i])
625 
626 typedef struct OnigCaptureTreeNodeStruct {
627   int group;   /* group number */
628   int beg;
629   int end;
630   int allocated;
631   int num_childs;
632   struct OnigCaptureTreeNodeStruct** childs;
633 } OnigCaptureTreeNode;
634 
635 /* match result region type */
636 struct re_registers {
637   int  allocated;
638   int  num_regs;
639   int* beg;
640   int* end;
641   /* extended */
642   OnigCaptureTreeNode* history_root;  /* capture history tree root */
643 };
644 
645 /* capture tree traverse */
646 #define ONIG_TRAVERSE_CALLBACK_AT_FIRST   1
647 #define ONIG_TRAVERSE_CALLBACK_AT_LAST    2
648 #define ONIG_TRAVERSE_CALLBACK_AT_BOTH \
649   ( ONIG_TRAVERSE_CALLBACK_AT_FIRST | ONIG_TRAVERSE_CALLBACK_AT_LAST )
650 
651 
652 #define ONIG_REGION_NOTPOS            -1
653 
654 typedef struct re_registers   OnigRegion;
655 
656 typedef struct {
657   OnigEncoding enc;
658   OnigUChar* par;
659   OnigUChar* par_end;
660 } OnigErrorInfo;
661 
662 typedef struct {
663   int lower;
664   int upper;
665 } OnigRepeatRange;
666 
667 typedef void (*OnigWarnFunc) P_((const char* s));
668 extern void onig_null_warn P_((const char* s));
669 #define ONIG_NULL_WARN       onig_null_warn
670 
671 #define ONIG_CHAR_TABLE_SIZE   256
672 
673 struct re_pattern_buffer;
674 typedef struct re_pattern_buffer OnigRegexType;
675 typedef OnigRegexType*  OnigRegex;
676 
677 #ifndef ONIG_ESCAPE_REGEX_T_COLLISION
678   typedef OnigRegexType  regex_t;
679 #endif
680 
681 
682 typedef struct {
683   int             num_of_elements;
684   OnigEncoding    pattern_enc;
685   OnigEncoding    target_enc;
686   OnigSyntaxType* syntax;
687   OnigOptionType  option;
688   OnigCaseFoldType   case_fold_flag;
689 } OnigCompileInfo;
690 
691 
692 /* types for callout */
693 typedef enum {
694   ONIG_CALLOUT_IN_PROGRESS   = 1, /* 1<<0 */
695   ONIG_CALLOUT_IN_RETRACTION = 2  /* 1<<1 */
696 } OnigCalloutIn;
697 
698 #define ONIG_CALLOUT_IN_BOTH  (ONIG_CALLOUT_IN_PROGRESS | ONIG_CALLOUT_IN_RETRACTION)
699 
700 typedef enum {
701   ONIG_CALLOUT_OF_CONTENTS = 0,
702   ONIG_CALLOUT_OF_NAME     = 1
703 } OnigCalloutOf;
704 
705 typedef enum {
706   ONIG_CALLOUT_TYPE_SINGLE              = 0,
707   ONIG_CALLOUT_TYPE_START_CALL          = 1,
708   ONIG_CALLOUT_TYPE_BOTH_CALL           = 2,
709   ONIG_CALLOUT_TYPE_START_MARK_END_CALL = 3,
710 } OnigCalloutType;
711 
712 
713 #define ONIG_NON_NAME_ID        -1
714 #define ONIG_NON_CALLOUT_NUM     0
715 
716 #define ONIG_CALLOUT_MAX_ARGS_NUM     4
717 #define ONIG_CALLOUT_DATA_SLOT_NUM    5
718 
719 struct OnigCalloutArgsStruct;
720 typedef struct OnigCalloutArgsStruct OnigCalloutArgs;
721 
722 typedef int (*OnigCalloutFunc)(OnigCalloutArgs* args, void* user_data);
723 
724 /* callout function return values (less than -1: error code) */
725 typedef enum {
726   ONIG_CALLOUT_FAIL     =  1,
727   ONIG_CALLOUT_SUCCESS  =  0
728 } OnigCalloutResult;
729 
730 typedef enum {
731   ONIG_TYPE_VOID     = 0,
732   ONIG_TYPE_LONG     = 1<<0,
733   ONIG_TYPE_CHAR     = 1<<1,
734   ONIG_TYPE_STRING   = 1<<2,
735   ONIG_TYPE_POINTER  = 1<<3,
736   ONIG_TYPE_TAG      = 1<<4,
737 } OnigType;
738 
739 typedef union {
740   long l;
741   OnigCodePoint c;
742   struct {
743     OnigUChar* start;
744     OnigUChar* end;
745   } s;
746   void* p;
747   int tag;  /* tag -> callout_num */
748 } OnigValue;
749 
750 
751 struct OnigMatchParamStruct;
752 typedef struct OnigMatchParamStruct OnigMatchParam;
753 
754 
755 /* Oniguruma Native API */
756 
757 ONIG_EXTERN
758 int onig_initialize P_((OnigEncoding encodings[], int number_of_encodings));
759 /* onig_init(): deprecated function. Use onig_initialize(). */
760 ONIG_EXTERN
761 int onig_init P_((void));
762 ONIG_EXTERN
763 int onig_error_code_to_str PV_((OnigUChar* s, int err_code, ...));
764 ONIG_EXTERN
765 void onig_set_warn_func P_((OnigWarnFunc f));
766 ONIG_EXTERN
767 void onig_set_verb_warn_func P_((OnigWarnFunc f));
768 ONIG_EXTERN
769 int onig_new P_((OnigRegex*, const OnigUChar* pattern, const OnigUChar* pattern_end, OnigOptionType option, OnigEncoding enc, OnigSyntaxType* syntax, OnigErrorInfo* einfo));
770 ONIG_EXTERN
771 int  onig_reg_init P_((OnigRegex reg, OnigOptionType option, OnigCaseFoldType case_fold_flag, OnigEncoding enc, OnigSyntaxType* syntax));
772 int onig_new_without_alloc P_((OnigRegex, const OnigUChar* pattern, const OnigUChar* pattern_end, OnigOptionType option, OnigEncoding enc, OnigSyntaxType* syntax, OnigErrorInfo* einfo));
773 ONIG_EXTERN
774 int onig_new_deluxe P_((OnigRegex* reg, const OnigUChar* pattern, const OnigUChar* pattern_end, OnigCompileInfo* ci, OnigErrorInfo* einfo));
775 ONIG_EXTERN
776 void onig_free P_((OnigRegex));
777 ONIG_EXTERN
778 void onig_free_body P_((OnigRegex));
779 ONIG_EXTERN
780 int onig_scan(OnigRegex reg, const OnigUChar* str, const OnigUChar* end, OnigRegion* region, OnigOptionType option, int (*scan_callback)(int, int, OnigRegion*, void*), void* callback_arg);
781 ONIG_EXTERN
782 int onig_search P_((OnigRegex, const OnigUChar* str, const OnigUChar* end, const OnigUChar* start, const OnigUChar* range, OnigRegion* region, OnigOptionType option));
783 ONIG_EXTERN
784 int onig_search_with_param P_((OnigRegex, const OnigUChar* str, const OnigUChar* end, const OnigUChar* start, const OnigUChar* range, OnigRegion* region, OnigOptionType option, OnigMatchParam* mp));
785 ONIG_EXTERN
786 int onig_match P_((OnigRegex, const OnigUChar* str, const OnigUChar* end, const OnigUChar* at, OnigRegion* region, OnigOptionType option));
787 ONIG_EXTERN
788 int onig_match_with_param P_((OnigRegex, const OnigUChar* str, const OnigUChar* end, const OnigUChar* at, OnigRegion* region, OnigOptionType option, OnigMatchParam* mp));
789 ONIG_EXTERN
790 OnigRegion* onig_region_new P_((void));
791 ONIG_EXTERN
792 void onig_region_init P_((OnigRegion* region));
793 ONIG_EXTERN
794 void onig_region_free P_((OnigRegion* region, int free_self));
795 ONIG_EXTERN
796 void onig_region_copy P_((OnigRegion* to, OnigRegion* from));
797 ONIG_EXTERN
798 void onig_region_clear P_((OnigRegion* region));
799 ONIG_EXTERN
800 int onig_region_resize P_((OnigRegion* region, int n));
801 ONIG_EXTERN
802 int onig_region_set P_((OnigRegion* region, int at, int beg, int end));
803 ONIG_EXTERN
804 int onig_name_to_group_numbers P_((OnigRegex reg, const OnigUChar* name, const OnigUChar* name_end, int** nums));
805 ONIG_EXTERN
806 int onig_name_to_backref_number P_((OnigRegex reg, const OnigUChar* name, const OnigUChar* name_end, OnigRegion *region));
807 ONIG_EXTERN
808 int onig_foreach_name P_((OnigRegex reg, int (*func)(const OnigUChar*, const OnigUChar*,int,int*,OnigRegex,void*), void* arg));
809 ONIG_EXTERN
810 int onig_number_of_names P_((OnigRegex reg));
811 ONIG_EXTERN
812 int onig_number_of_captures P_((OnigRegex reg));
813 ONIG_EXTERN
814 int onig_number_of_capture_histories P_((OnigRegex reg));
815 ONIG_EXTERN
816 OnigCaptureTreeNode* onig_get_capture_tree P_((OnigRegion* region));
817 ONIG_EXTERN
818 int onig_capture_tree_traverse P_((OnigRegion* region, int at, int(*callback_func)(int,int,int,int,int,void*), void* arg));
819 ONIG_EXTERN
820 int onig_noname_group_capture_is_active P_((OnigRegex reg));
821 ONIG_EXTERN
822 OnigEncoding onig_get_encoding P_((OnigRegex reg));
823 ONIG_EXTERN
824 OnigOptionType onig_get_options P_((OnigRegex reg));
825 ONIG_EXTERN
826 OnigCaseFoldType onig_get_case_fold_flag P_((OnigRegex reg));
827 ONIG_EXTERN
828 OnigSyntaxType* onig_get_syntax P_((OnigRegex reg));
829 ONIG_EXTERN
830 int onig_set_default_syntax P_((OnigSyntaxType* syntax));
831 ONIG_EXTERN
832 void onig_copy_syntax P_((OnigSyntaxType* to, OnigSyntaxType* from));
833 ONIG_EXTERN
834 unsigned int onig_get_syntax_op P_((OnigSyntaxType* syntax));
835 ONIG_EXTERN
836 unsigned int onig_get_syntax_op2 P_((OnigSyntaxType* syntax));
837 ONIG_EXTERN
838 unsigned int onig_get_syntax_behavior P_((OnigSyntaxType* syntax));
839 ONIG_EXTERN
840 OnigOptionType onig_get_syntax_options P_((OnigSyntaxType* syntax));
841 ONIG_EXTERN
842 void onig_set_syntax_op P_((OnigSyntaxType* syntax, unsigned int op));
843 ONIG_EXTERN
844 void onig_set_syntax_op2 P_((OnigSyntaxType* syntax, unsigned int op2));
845 ONIG_EXTERN
846 void onig_set_syntax_behavior P_((OnigSyntaxType* syntax, unsigned int behavior));
847 ONIG_EXTERN
848 void onig_set_syntax_options P_((OnigSyntaxType* syntax, OnigOptionType options));
849 ONIG_EXTERN
850 int onig_set_meta_char P_((OnigSyntaxType* syntax, unsigned int what, OnigCodePoint code));
851 ONIG_EXTERN
852 void onig_copy_encoding P_((OnigEncoding to, OnigEncoding from));
853 ONIG_EXTERN
854 OnigCaseFoldType onig_get_default_case_fold_flag P_((void));
855 ONIG_EXTERN
856 int onig_set_default_case_fold_flag P_((OnigCaseFoldType case_fold_flag));
857 ONIG_EXTERN
858 unsigned int onig_get_match_stack_limit_size P_((void));
859 ONIG_EXTERN
860 int onig_set_match_stack_limit_size P_((unsigned int size));
861 ONIG_EXTERN
862 unsigned long onig_get_retry_limit_in_match P_((void));
863 ONIG_EXTERN
864 int onig_set_retry_limit_in_match P_((unsigned long n));
865 ONIG_EXTERN
866 unsigned int onig_get_parse_depth_limit P_((void));
867 ONIG_EXTERN
868 int onig_set_capture_num_limit P_((int num));
869 ONIG_EXTERN
870 int onig_set_parse_depth_limit P_((unsigned int depth));
871 ONIG_EXTERN
872 int onig_unicode_define_user_property P_((const char* name, OnigCodePoint* ranges));
873 ONIG_EXTERN
874 int onig_end P_((void));
875 ONIG_EXTERN
876 const char* onig_version P_((void));
877 ONIG_EXTERN
878 const char* onig_copyright P_((void));
879 
880 /* for OnigMatchParam */
881 ONIG_EXTERN
882 OnigMatchParam* onig_new_match_param P_((void));
883 ONIG_EXTERN
884 void onig_free_match_param P_((OnigMatchParam* p));
885 ONIG_EXTERN
886 void onig_free_match_param_content P_((OnigMatchParam* p));
887 ONIG_EXTERN
888 int onig_initialize_match_param P_((OnigMatchParam* mp));
889 ONIG_EXTERN
890 int onig_set_match_stack_limit_size_of_match_param P_((OnigMatchParam* param, unsigned int limit));
891 ONIG_EXTERN
892 int onig_set_retry_limit_in_match_of_match_param P_((OnigMatchParam* param, unsigned long limit));
893 ONIG_EXTERN
894 int onig_set_progress_callout_of_match_param P_((OnigMatchParam* param, OnigCalloutFunc f));
895 ONIG_EXTERN
896 int onig_set_retraction_callout_of_match_param P_((OnigMatchParam* param, OnigCalloutFunc f));
897 ONIG_EXTERN
898 int onig_set_callout_user_data_of_match_param P_((OnigMatchParam* param, void* user_data));
899 
900 /* for callout functions */
901 ONIG_EXTERN
902 OnigCalloutFunc onig_get_progress_callout P_((void));
903 ONIG_EXTERN
904 int onig_set_progress_callout P_((OnigCalloutFunc f));
905 ONIG_EXTERN
906 OnigCalloutFunc onig_get_retraction_callout P_((void));
907 ONIG_EXTERN
908 int onig_set_retraction_callout P_((OnigCalloutFunc f));
909 ONIG_EXTERN
910 int onig_set_callout_of_name P_((OnigEncoding enc, OnigCalloutType type, OnigUChar* name, OnigUChar* name_end, int callout_in, OnigCalloutFunc callout, OnigCalloutFunc end_callout, int arg_num, unsigned int arg_types[], int optional_arg_num, OnigValue opt_defaults[]));
911 ONIG_EXTERN
912 OnigUChar* onig_get_callout_name_by_name_id P_((int id));
913 ONIG_EXTERN
914 int onig_get_callout_num_by_tag P_((OnigRegex reg, const OnigUChar* tag, const OnigUChar* tag_end));
915 ONIG_EXTERN
916 int onig_get_callout_data_by_tag P_((OnigRegex reg, OnigMatchParam* mp, const OnigUChar* tag, const OnigUChar* tag_end, int slot, OnigType* type, OnigValue* val));
917 ONIG_EXTERN
918 int onig_set_callout_data_by_tag P_((OnigRegex reg, OnigMatchParam* mp, const OnigUChar* tag, const OnigUChar* tag_end, int slot, OnigType type, OnigValue* val));
919 
920 /* used in callout functions */
921 ONIG_EXTERN
922 int onig_get_callout_num_by_callout_args P_((OnigCalloutArgs* args));
923 ONIG_EXTERN
924 OnigCalloutIn onig_get_callout_in_by_callout_args P_((OnigCalloutArgs* args));
925 ONIG_EXTERN
926 int onig_get_name_id_by_callout_args P_((OnigCalloutArgs* args));
927 ONIG_EXTERN
928 const OnigUChar* onig_get_contents_by_callout_args P_((OnigCalloutArgs* args));
929 ONIG_EXTERN
930 const OnigUChar* onig_get_contents_end_by_callout_args P_((OnigCalloutArgs* args));
931 ONIG_EXTERN
932 int onig_get_args_num_by_callout_args P_((OnigCalloutArgs* args));
933 ONIG_EXTERN
934 int onig_get_passed_args_num_by_callout_args P_((OnigCalloutArgs* args));
935 ONIG_EXTERN
936 int onig_get_arg_by_callout_args P_((OnigCalloutArgs* args, int index, OnigType* type, OnigValue* val));
937 ONIG_EXTERN
938 const OnigUChar* onig_get_string_by_callout_args P_((OnigCalloutArgs* args));
939 ONIG_EXTERN
940 const OnigUChar* onig_get_string_end_by_callout_args P_((OnigCalloutArgs* args));
941 ONIG_EXTERN
942 const OnigUChar* onig_get_start_by_callout_args P_((OnigCalloutArgs* args));
943 ONIG_EXTERN
944 const OnigUChar* onig_get_right_range_by_callout_args P_((OnigCalloutArgs* args));
945 ONIG_EXTERN
946 const OnigUChar* onig_get_current_by_callout_args P_((OnigCalloutArgs* args));
947 ONIG_EXTERN
948 OnigRegex onig_get_regex_by_callout_args P_((OnigCalloutArgs* args));
949 ONIG_EXTERN
950 unsigned long onig_get_retry_counter_by_callout_args P_((OnigCalloutArgs* args));
951 ONIG_EXTERN
952 int onig_callout_tag_is_exist_at_callout_num P_((OnigRegex reg, int callout_num));
953 ONIG_EXTERN
954 const OnigUChar* onig_get_callout_tag_start P_((OnigRegex reg, int callout_num));
955 ONIG_EXTERN
956 const OnigUChar* onig_get_callout_tag_end P_((OnigRegex reg, int callout_num));
957 ONIG_EXTERN
958 int onig_get_callout_data_dont_clear_old P_((OnigRegex reg, OnigMatchParam* mp, int callout_num, int slot, OnigType* type, OnigValue* val));
959 ONIG_EXTERN
960 int onig_get_callout_data_by_callout_args_self_dont_clear_old P_((OnigCalloutArgs* args, int slot, OnigType* type, OnigValue* val));
961 ONIG_EXTERN
962 int onig_get_callout_data P_((OnigRegex reg, OnigMatchParam* mp, int callout_num, int slot, OnigType* type, OnigValue* val));
963 ONIG_EXTERN
964 int onig_get_callout_data_by_callout_args P_((OnigCalloutArgs* args, int callout_num, int slot, OnigType* type, OnigValue* val));
965 ONIG_EXTERN
966 int onig_get_callout_data_by_callout_args_self P_((OnigCalloutArgs* args, int slot, OnigType* type, OnigValue* val));
967 ONIG_EXTERN
968 int onig_set_callout_data P_((OnigRegex reg, OnigMatchParam* mp, int callout_num, int slot, OnigType type, OnigValue* val));
969 ONIG_EXTERN
970 int onig_set_callout_data_by_callout_args P_((OnigCalloutArgs* args, int callout_num, int slot, OnigType type, OnigValue* val));
971 ONIG_EXTERN
972 int onig_set_callout_data_by_callout_args_self P_((OnigCalloutArgs* args, int slot, OnigType type, OnigValue* val));
973 ONIG_EXTERN
974 int onig_get_capture_range_in_callout P_((OnigCalloutArgs* args, int mem_num, int* begin, int* end));
975 ONIG_EXTERN
976 int onig_get_used_stack_size_in_callout P_((OnigCalloutArgs* args, int* used_num, int* used_bytes));
977 
978 /* builtin callout functions */
979 ONIG_EXTERN
980 int onig_builtin_fail P_((OnigCalloutArgs* args, void* user_data));
981 ONIG_EXTERN
982 int onig_builtin_mismatch P_((OnigCalloutArgs* args, void* user_data));
983 ONIG_EXTERN
984 int onig_builtin_error P_((OnigCalloutArgs* args, void* user_data));
985 ONIG_EXTERN
986 int onig_builtin_count P_((OnigCalloutArgs* args, void* user_data));
987 ONIG_EXTERN
988 int onig_builtin_total_count P_((OnigCalloutArgs* args, void* user_data));
989 ONIG_EXTERN
990 int onig_builtin_max P_((OnigCalloutArgs* args, void* user_data));
991 ONIG_EXTERN
992 int onig_builtin_cmp P_((OnigCalloutArgs* args, void* user_data));
993 
994 ONIG_EXTERN
995 int onig_setup_builtin_monitors_by_ascii_encoded_name P_((void* fp));
996 
997 #ifdef __cplusplus
998 }
999 #endif
1000 
1001 #endif /* ONIGURUMA_H */
1002