oniguruma.h

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#ifndef ONIGURUMA_H
#define ONIGURUMA_H
#ifdef __cplusplus
extern "C" {
#endif
 
#define ONIGURUMA
#define ONIGURUMA_VERSION_MAJOR 6
#define ONIGURUMA_VERSION_MINOR 9
#define ONIGURUMA_VERSION_TEENY 8
#define ONIGURUMA_VERSION_PATCH 8
#define ONIGURUMA_VERSION_INT 60908
 
#ifndef P_
#if defined(__STDC__) || defined(_WIN32)
#define P_(args) args
#else
#define P_(args) ()
#endif
#endif
 
#ifndef PV_
#define PV_(args) args
#endif
 
#ifndef ONIG_STATIC
#ifndef ONIG_EXTERN
#if defined(_WIN32) && !defined(__GNUC__)
#if defined(ONIGURUMA_EXPORT)
#define ONIG_EXTERN extern __declspec(dllexport)
#else
#define ONIG_EXTERN extern __declspec(dllimport)
#endif
#endif
#endif
 
#ifndef ONIG_EXTERN
#define ONIG_EXTERN extern
#endif
#else
#define ONIG_EXTERN extern
#endif
 
#ifndef ONIG_VARIADIC_FUNC_ATTR
#define ONIG_VARIADIC_FUNC_ATTR
#endif
 
/* PART: character encoding */
 
#ifndef ONIG_ESCAPE_UCHAR_COLLISION
#define UChar OnigUChar
#endif
 
typedef unsigned int OnigCodePoint;
typedef unsigned char OnigUChar;
typedef unsigned int OnigCtype;
typedef unsigned int OnigLen;
 
#define ONIG_INFINITE_DISTANCE ~((OnigLen)0)
 
typedef unsigned int OnigCaseFoldType; /* case fold flag */
 
ONIG_EXTERN OnigCaseFoldType OnigDefaultCaseFoldFlag;
 
#define ONIGENC_CASE_FOLD_ASCII_ONLY (1)
/* #define ONIGENC_CASE_FOLD_HIRAGANA_KATAKANA  (1<<1) */
/* #define ONIGENC_CASE_FOLD_KATAKANA_WIDTH     (1<<2) */
#define ONIGENC_CASE_FOLD_TURKISH_AZERI (1 << 20)
#define INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR (1 << 30)
 
#define ONIGENC_CASE_FOLD_MIN INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR
#define ONIGENC_CASE_FOLD_DEFAULT OnigDefaultCaseFoldFlag
 
#define ONIGENC_MAX_COMP_CASE_FOLD_CODE_LEN 3
#define ONIGENC_GET_CASE_FOLD_CODES_MAX_NUM 13
/* 13 => Unicode:0x1ffc */
 
/* code range */
#define ONIGENC_CODE_RANGE_NUM(range) ((int)range[0])
#define ONIGENC_CODE_RANGE_FROM(range, i) range[((i)*2) + 1]
#define ONIGENC_CODE_RANGE_TO(range, i) range[((i)*2) + 2]
 
typedef struct {
  int byte_len; /* argument(original) character(s) byte length */
  int code_len; /* number of code */
  OnigCodePoint code[ONIGENC_MAX_COMP_CASE_FOLD_CODE_LEN];
} OnigCaseFoldCodeItem;
 
typedef struct {
  OnigCodePoint esc;
  OnigCodePoint anychar;
  OnigCodePoint anytime;
  OnigCodePoint zero_or_one_time;
  OnigCodePoint one_or_more_time;
  OnigCodePoint anychar_anytime;
} OnigMetaCharTableType;
 
typedef int (*OnigApplyAllCaseFoldFunc)(OnigCodePoint from, OnigCodePoint *to,
                                        int to_len, void *arg);
 
typedef struct OnigEncodingTypeST {
  int (*mbc_enc_len)(const OnigUChar *p);
  const char *name;
  int max_enc_len;
  int min_enc_len;
  int (*is_mbc_newline)(const OnigUChar *p, const OnigUChar *end);
  OnigCodePoint (*mbc_to_code)(const OnigUChar *p, const OnigUChar *end);
  int (*code_to_mbclen)(OnigCodePoint code);
  int (*code_to_mbc)(OnigCodePoint code, OnigUChar *buf);
  int (*mbc_case_fold)(OnigCaseFoldType flag, const OnigUChar **pp,
                       const OnigUChar *end, OnigUChar *to);
  int (*apply_all_case_fold)(OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f,
                             void *arg);
  int (*get_case_fold_codes_by_str)(OnigCaseFoldType flag, const OnigUChar *p,
                                    const OnigUChar *end,
                                    OnigCaseFoldCodeItem acs[]);
  int (*property_name_to_ctype)(struct OnigEncodingTypeST *enc, OnigUChar *p,
                                OnigUChar *end);
  int (*is_code_ctype)(OnigCodePoint code, OnigCtype ctype);
  int (*get_ctype_code_range)(OnigCtype ctype, OnigCodePoint *sb_out,
                              const OnigCodePoint *ranges[]);
  OnigUChar *(*left_adjust_char_head)(const OnigUChar *start,
                                      const OnigUChar *p);
  int (*is_allowed_reverse_match)(const OnigUChar *p, const OnigUChar *end);
  int (*init)(void);
  int (*is_initialized)(void);
  int (*is_valid_mbc_string)(const OnigUChar *s, const OnigUChar *end);
  unsigned int flag;
  OnigCodePoint sb_range;
  int index;
} OnigEncodingType;
 
typedef OnigEncodingType *OnigEncoding;
 
ONIG_EXTERN OnigEncodingType OnigEncodingASCII;
ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_1;
ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_2;
ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_3;
ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_4;
ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_5;
ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_6;
ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_7;
ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_8;
ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_9;
ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_10;
ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_11;
ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_13;
ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_14;
ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_15;
ONIG_EXTERN OnigEncodingType OnigEncodingISO_8859_16;
ONIG_EXTERN OnigEncodingType OnigEncodingUTF8;
ONIG_EXTERN OnigEncodingType OnigEncodingUTF16_BE;
ONIG_EXTERN OnigEncodingType OnigEncodingUTF16_LE;
ONIG_EXTERN OnigEncodingType OnigEncodingUTF32_BE;
ONIG_EXTERN OnigEncodingType OnigEncodingUTF32_LE;
ONIG_EXTERN OnigEncodingType OnigEncodingEUC_JP;
ONIG_EXTERN OnigEncodingType OnigEncodingEUC_TW;
ONIG_EXTERN OnigEncodingType OnigEncodingEUC_KR;
ONIG_EXTERN OnigEncodingType OnigEncodingEUC_CN;
ONIG_EXTERN OnigEncodingType OnigEncodingSJIS;
ONIG_EXTERN OnigEncodingType OnigEncodingKOI8;
ONIG_EXTERN OnigEncodingType OnigEncodingKOI8_R;
ONIG_EXTERN OnigEncodingType OnigEncodingCP1251;
ONIG_EXTERN OnigEncodingType OnigEncodingBIG5;
ONIG_EXTERN OnigEncodingType OnigEncodingGB18030;
 
#define ONIG_ENCODING_ASCII (&OnigEncodingASCII)
#define ONIG_ENCODING_ISO_8859_1 (&OnigEncodingISO_8859_1)
#define ONIG_ENCODING_ISO_8859_2 (&OnigEncodingISO_8859_2)
#define ONIG_ENCODING_ISO_8859_3 (&OnigEncodingISO_8859_3)
#define ONIG_ENCODING_ISO_8859_4 (&OnigEncodingISO_8859_4)
#define ONIG_ENCODING_ISO_8859_5 (&OnigEncodingISO_8859_5)
#define ONIG_ENCODING_ISO_8859_6 (&OnigEncodingISO_8859_6)
#define ONIG_ENCODING_ISO_8859_7 (&OnigEncodingISO_8859_7)
#define ONIG_ENCODING_ISO_8859_8 (&OnigEncodingISO_8859_8)
#define ONIG_ENCODING_ISO_8859_9 (&OnigEncodingISO_8859_9)
#define ONIG_ENCODING_ISO_8859_10 (&OnigEncodingISO_8859_10)
#define ONIG_ENCODING_ISO_8859_11 (&OnigEncodingISO_8859_11)
#define ONIG_ENCODING_ISO_8859_13 (&OnigEncodingISO_8859_13)
#define ONIG_ENCODING_ISO_8859_14 (&OnigEncodingISO_8859_14)
#define ONIG_ENCODING_ISO_8859_15 (&OnigEncodingISO_8859_15)
#define ONIG_ENCODING_ISO_8859_16 (&OnigEncodingISO_8859_16)
#define ONIG_ENCODING_UTF8 (&OnigEncodingUTF8)
#define ONIG_ENCODING_UTF16_BE (&OnigEncodingUTF16_BE)
#define ONIG_ENCODING_UTF16_LE (&OnigEncodingUTF16_LE)
#define ONIG_ENCODING_UTF32_BE (&OnigEncodingUTF32_BE)
#define ONIG_ENCODING_UTF32_LE (&OnigEncodingUTF32_LE)
#define ONIG_ENCODING_EUC_JP (&OnigEncodingEUC_JP)
#define ONIG_ENCODING_EUC_TW (&OnigEncodingEUC_TW)
#define ONIG_ENCODING_EUC_KR (&OnigEncodingEUC_KR)
#define ONIG_ENCODING_EUC_CN (&OnigEncodingEUC_CN)
#define ONIG_ENCODING_SJIS (&OnigEncodingSJIS)
#define ONIG_ENCODING_KOI8 (&OnigEncodingKOI8)
#define ONIG_ENCODING_KOI8_R (&OnigEncodingKOI8_R)
#define ONIG_ENCODING_CP1251 (&OnigEncodingCP1251)
#define ONIG_ENCODING_BIG5 (&OnigEncodingBIG5)
#define ONIG_ENCODING_GB18030 (&OnigEncodingGB18030)
 
#define ONIG_ENCODING_UNDEF ((OnigEncoding)0)
 
/* work size */
#define ONIGENC_CODE_TO_MBC_MAXLEN 7
#define ONIGENC_MBC_CASE_FOLD_MAXLEN 18
/* 18: 6(max-byte) * 3(case-fold chars) */
 
/* character types */
typedef enum {
  ONIGENC_CTYPE_NEWLINE = 0,
  ONIGENC_CTYPE_ALPHA = 1,
  ONIGENC_CTYPE_BLANK = 2,
  ONIGENC_CTYPE_CNTRL = 3,
  ONIGENC_CTYPE_DIGIT = 4,
  ONIGENC_CTYPE_GRAPH = 5,
  ONIGENC_CTYPE_LOWER = 6,
  ONIGENC_CTYPE_PRINT = 7,
  ONIGENC_CTYPE_PUNCT = 8,
  ONIGENC_CTYPE_SPACE = 9,
  ONIGENC_CTYPE_UPPER = 10,
  ONIGENC_CTYPE_XDIGIT = 11,
  ONIGENC_CTYPE_WORD = 12,
  ONIGENC_CTYPE_ALNUM = 13, /* alpha || digit */
  ONIGENC_CTYPE_ASCII = 14
} OnigEncCtype;
 
#define ONIGENC_MAX_STD_CTYPE ONIGENC_CTYPE_ASCII
 
#define onig_enc_len(enc, p, end) ONIGENC_MBC_ENC_LEN(enc, p)
 
#define ONIGENC_IS_UNDEF(enc) ((enc) == ONIG_ENCODING_UNDEF)
#define ONIGENC_IS_SINGLEBYTE(enc) (ONIGENC_MBC_MAXLEN(enc) == 1)
#define ONIGENC_IS_MBC_HEAD(enc, p) (ONIGENC_MBC_ENC_LEN(enc, p) != 1)
#define ONIGENC_IS_MBC_ASCII(p) (*(p) < 128)
#define ONIGENC_IS_CODE_ASCII(code) ((code) < 128)
#define ONIGENC_IS_MBC_WORD(enc, s, end)                                       \
  ONIGENC_IS_CODE_WORD(enc, ONIGENC_MBC_TO_CODE(enc, s, end))
#define ONIGENC_IS_MBC_WORD_ASCII(enc, s, end)                                 \
  onigenc_is_mbc_word_ascii(enc, s, end)
 
#define ONIGENC_NAME(enc) ((enc)->name)
 
#define ONIGENC_MBC_CASE_FOLD(enc, flag, pp, end, buf)                         \
  (enc)->mbc_case_fold(flag, (const OnigUChar **)pp, end, buf)
#define ONIGENC_IS_ALLOWED_REVERSE_MATCH(enc, s, end)                          \
  (enc)->is_allowed_reverse_match(s, end)
#define ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc, start, s)                           \
  (enc)->left_adjust_char_head(start, s)
#define ONIGENC_IS_VALID_MBC_STRING(enc, s, end)                               \
  (enc)->is_valid_mbc_string(s, end)
#define ONIGENC_APPLY_ALL_CASE_FOLD(enc, case_fold_flag, f, arg)               \
  (enc)->apply_all_case_fold(case_fold_flag, f, arg)
#define ONIGENC_GET_CASE_FOLD_CODES_BY_STR(enc, case_fold_flag, p, end, acs)   \
  (enc)->get_case_fold_codes_by_str(case_fold_flag, p, end, acs)
#define ONIGENC_STEP_BACK(enc, start, s, n)                                    \
  onigenc_step_back((enc), (start), (s), (n))
 
#define ONIGENC_MBC_ENC_LEN(enc, p) (enc)->mbc_enc_len(p)
#define ONIGENC_MBC_MAXLEN(enc) ((enc)->max_enc_len)
#define ONIGENC_MBC_MAXLEN_DIST(enc) ONIGENC_MBC_MAXLEN(enc)
#define ONIGENC_MBC_MINLEN(enc) ((enc)->min_enc_len)
#define ONIGENC_IS_MBC_NEWLINE(enc, p, end) (enc)->is_mbc_newline((p), (end))
#define ONIGENC_MBC_TO_CODE(enc, p, end) (enc)->mbc_to_code((p), (end))
#define ONIGENC_CODE_TO_MBCLEN(enc, code) (enc)->code_to_mbclen(code)
#define ONIGENC_CODE_TO_MBC(enc, code, buf) (enc)->code_to_mbc(code, buf)
#define ONIGENC_PROPERTY_NAME_TO_CTYPE(enc, p, end)                            \
  (enc)->property_name_to_ctype(enc, p, end)
 
#define ONIGENC_IS_CODE_CTYPE(enc, code, ctype)                                \
  (enc)->is_code_ctype(code, ctype)
 
#define ONIGENC_IS_CODE_NEWLINE(enc, code)                                     \
  ONIGENC_IS_CODE_CTYPE(enc, code, ONIGENC_CTYPE_NEWLINE)
#define ONIGENC_IS_CODE_GRAPH(enc, code)                                       \
  ONIGENC_IS_CODE_CTYPE(enc, code, ONIGENC_CTYPE_GRAPH)
#define ONIGENC_IS_CODE_PRINT(enc, code)                                       \
  ONIGENC_IS_CODE_CTYPE(enc, code, ONIGENC_CTYPE_PRINT)
#define ONIGENC_IS_CODE_ALNUM(enc, code)                                       \
  ONIGENC_IS_CODE_CTYPE(enc, code, ONIGENC_CTYPE_ALNUM)
#define ONIGENC_IS_CODE_ALPHA(enc, code)                                       \
  ONIGENC_IS_CODE_CTYPE(enc, code, ONIGENC_CTYPE_ALPHA)
#define ONIGENC_IS_CODE_LOWER(enc, code)                                       \
  ONIGENC_IS_CODE_CTYPE(enc, code, ONIGENC_CTYPE_LOWER)
#define ONIGENC_IS_CODE_UPPER(enc, code)                                       \
  ONIGENC_IS_CODE_CTYPE(enc, code, ONIGENC_CTYPE_UPPER)
#define ONIGENC_IS_CODE_CNTRL(enc, code)                                       \
  ONIGENC_IS_CODE_CTYPE(enc, code, ONIGENC_CTYPE_CNTRL)
#define ONIGENC_IS_CODE_PUNCT(enc, code)                                       \
  ONIGENC_IS_CODE_CTYPE(enc, code, ONIGENC_CTYPE_PUNCT)
#define ONIGENC_IS_CODE_SPACE(enc, code)                                       \
  ONIGENC_IS_CODE_CTYPE(enc, code, ONIGENC_CTYPE_SPACE)
#define ONIGENC_IS_CODE_BLANK(enc, code)                                       \
  ONIGENC_IS_CODE_CTYPE(enc, code, ONIGENC_CTYPE_BLANK)
#define ONIGENC_IS_CODE_DIGIT(enc, code)                                       \
  ONIGENC_IS_CODE_CTYPE(enc, code, ONIGENC_CTYPE_DIGIT)
#define ONIGENC_IS_CODE_XDIGIT(enc, code)                                      \
  ONIGENC_IS_CODE_CTYPE(enc, code, ONIGENC_CTYPE_XDIGIT)
#define ONIGENC_IS_CODE_WORD(enc, code)                                        \
  ONIGENC_IS_CODE_CTYPE(enc, code, ONIGENC_CTYPE_WORD)
 
#define ONIGENC_GET_CTYPE_CODE_RANGE(enc, ctype, sbout, ranges)                \
  (enc)->get_ctype_code_range(ctype, sbout, ranges)
 
ONIG_EXTERN
OnigUChar *onigenc_step_back P_((OnigEncoding enc, const OnigUChar *start,
                                 const OnigUChar *s, int n));
 
/* encoding API */
ONIG_EXTERN
int onigenc_init P_((void));
ONIG_EXTERN
int onig_initialize_encoding P_((OnigEncoding enc));
ONIG_EXTERN
int onigenc_set_default_encoding P_((OnigEncoding enc));
ONIG_EXTERN
OnigEncoding onigenc_get_default_encoding P_((void));
ONIG_EXTERN
void onigenc_set_default_caseconv_table P_((const OnigUChar *table));
ONIG_EXTERN
OnigUChar *onigenc_get_right_adjust_char_head_with_prev
    P_((OnigEncoding enc, const OnigUChar *start, const OnigUChar *s,
        const OnigUChar **prev));
ONIG_EXTERN
OnigUChar *onigenc_get_prev_char_head P_((OnigEncoding enc,
                                          const OnigUChar *start,
                                          const OnigUChar *s));
ONIG_EXTERN
OnigUChar *onigenc_get_left_adjust_char_head P_((OnigEncoding enc,
                                                 const OnigUChar *start,
                                                 const OnigUChar *s));
ONIG_EXTERN
OnigUChar *onigenc_get_right_adjust_char_head P_((OnigEncoding enc,
                                                  const OnigUChar *start,
                                                  const OnigUChar *s));
ONIG_EXTERN
int onigenc_strlen P_((OnigEncoding enc, const OnigUChar *p,
                       const OnigUChar *end));
ONIG_EXTERN
int onigenc_strlen_null P_((OnigEncoding enc, const OnigUChar *p));
ONIG_EXTERN
int onigenc_str_bytelen_null P_((OnigEncoding enc, const OnigUChar *p));
ONIG_EXTERN
int onigenc_is_valid_mbc_string P_((OnigEncoding enc, const OnigUChar *s,
                                    const OnigUChar *end));
ONIG_EXTERN
OnigUChar *onigenc_strdup P_((OnigEncoding enc, const OnigUChar *s,
                              const OnigUChar *end));
 
/* PART: regular expression */
 
/* config parameters */
#define ONIG_NREGION 10
#define ONIG_MAX_CAPTURE_NUM 2147483647 /* 2**31 - 1 */
#define ONIG_MAX_BACKREF_NUM 1000
#define ONIG_MAX_REPEAT_NUM 100000
#define ONIG_MAX_MULTI_BYTE_RANGES_NUM 10000
/* constants */
#define ONIG_MAX_ERROR_MESSAGE_LEN 90
 
typedef unsigned int OnigOptionType;
 
#define ONIG_OPTION_DEFAULT ONIG_OPTION_NONE
 
/* options */
#define ONIG_OPTION_NONE 0U
/* options (compile time) */
#define ONIG_OPTION_IGNORECASE 1U
#define ONIG_OPTION_EXTEND (ONIG_OPTION_IGNORECASE << 1)
#define ONIG_OPTION_MULTILINE (ONIG_OPTION_EXTEND << 1)
#define ONIG_OPTION_SINGLELINE (ONIG_OPTION_MULTILINE << 1)
#define ONIG_OPTION_FIND_LONGEST (ONIG_OPTION_SINGLELINE << 1)
#define ONIG_OPTION_FIND_NOT_EMPTY (ONIG_OPTION_FIND_LONGEST << 1)
#define ONIG_OPTION_NEGATE_SINGLELINE (ONIG_OPTION_FIND_NOT_EMPTY << 1)
#define ONIG_OPTION_DONT_CAPTURE_GROUP (ONIG_OPTION_NEGATE_SINGLELINE << 1)
#define ONIG_OPTION_CAPTURE_GROUP (ONIG_OPTION_DONT_CAPTURE_GROUP << 1)
/* options (search time) */
#define ONIG_OPTION_NOTBOL (ONIG_OPTION_CAPTURE_GROUP << 1)
#define ONIG_OPTION_NOTEOL (ONIG_OPTION_NOTBOL << 1)
#define ONIG_OPTION_POSIX_REGION (ONIG_OPTION_NOTEOL << 1)
#define ONIG_OPTION_CHECK_VALIDITY_OF_STRING (ONIG_OPTION_POSIX_REGION << 1)
/* options (compile time) */
#define ONIG_OPTION_IGNORECASE_IS_ASCII                                        \
  (ONIG_OPTION_CHECK_VALIDITY_OF_STRING << 3)
#define ONIG_OPTION_WORD_IS_ASCII (ONIG_OPTION_IGNORECASE_IS_ASCII << 1)
#define ONIG_OPTION_DIGIT_IS_ASCII (ONIG_OPTION_WORD_IS_ASCII << 1)
#define ONIG_OPTION_SPACE_IS_ASCII (ONIG_OPTION_DIGIT_IS_ASCII << 1)
#define ONIG_OPTION_POSIX_IS_ASCII (ONIG_OPTION_SPACE_IS_ASCII << 1)
#define ONIG_OPTION_TEXT_SEGMENT_EXTENDED_GRAPHEME_CLUSTER                     \
  (ONIG_OPTION_POSIX_IS_ASCII << 1)
#define ONIG_OPTION_TEXT_SEGMENT_WORD                                          \
  (ONIG_OPTION_TEXT_SEGMENT_EXTENDED_GRAPHEME_CLUSTER << 1)
/* options (search time) */
#define ONIG_OPTION_NOT_BEGIN_STRING (ONIG_OPTION_TEXT_SEGMENT_WORD << 1)
#define ONIG_OPTION_NOT_END_STRING (ONIG_OPTION_NOT_BEGIN_STRING << 1)
#define ONIG_OPTION_NOT_BEGIN_POSITION (ONIG_OPTION_NOT_END_STRING << 1)
#define ONIG_OPTION_CALLBACK_EACH_MATCH (ONIG_OPTION_NOT_BEGIN_POSITION << 1)
#define ONIG_OPTION_MATCH_WHOLE_STRING (ONIG_OPTION_CALLBACK_EACH_MATCH << 1)
 
#define ONIG_OPTION_MAXBIT ONIG_OPTION_MATCH_WHOLE_STRING
 
#define ONIG_OPTION_ON(options, regopt) ((options) |= (regopt))
#define ONIG_OPTION_OFF(options, regopt) ((options) &= ~(regopt))
#define ONIG_IS_OPTION_ON(options, option) ((options) & (option))
 
/* syntax */
typedef struct {
  unsigned int op;
  unsigned int op2;
  unsigned int behavior;
  OnigOptionType options; /* default option */
  OnigMetaCharTableType meta_char_table;
} OnigSyntaxType;
 
ONIG_EXTERN OnigSyntaxType OnigSyntaxASIS;
ONIG_EXTERN OnigSyntaxType OnigSyntaxPosixBasic;
ONIG_EXTERN OnigSyntaxType OnigSyntaxPosixExtended;
ONIG_EXTERN OnigSyntaxType OnigSyntaxEmacs;
ONIG_EXTERN OnigSyntaxType OnigSyntaxGrep;
ONIG_EXTERN OnigSyntaxType OnigSyntaxGnuRegex;
ONIG_EXTERN OnigSyntaxType OnigSyntaxJava;
ONIG_EXTERN OnigSyntaxType OnigSyntaxPerl;
ONIG_EXTERN OnigSyntaxType OnigSyntaxPerl_NG;
ONIG_EXTERN OnigSyntaxType OnigSyntaxRuby;
ONIG_EXTERN OnigSyntaxType OnigSyntaxPython;
ONIG_EXTERN OnigSyntaxType OnigSyntaxOniguruma;
 
/* predefined syntaxes (see regsyntax.c) */
#define ONIG_SYNTAX_ASIS (&OnigSyntaxASIS)
#define ONIG_SYNTAX_POSIX_BASIC (&OnigSyntaxPosixBasic)
#define ONIG_SYNTAX_POSIX_EXTENDED (&OnigSyntaxPosixExtended)
#define ONIG_SYNTAX_EMACS (&OnigSyntaxEmacs)
#define ONIG_SYNTAX_GREP (&OnigSyntaxGrep)
#define ONIG_SYNTAX_GNU_REGEX (&OnigSyntaxGnuRegex)
#define ONIG_SYNTAX_JAVA (&OnigSyntaxJava)
#define ONIG_SYNTAX_PERL (&OnigSyntaxPerl)
#define ONIG_SYNTAX_PERL_NG (&OnigSyntaxPerl_NG)
#define ONIG_SYNTAX_RUBY (&OnigSyntaxRuby)
#define ONIG_SYNTAX_PYTHON (&OnigSyntaxPython)
#define ONIG_SYNTAX_ONIGURUMA (&OnigSyntaxOniguruma)
 
/* default syntax */
ONIG_EXTERN OnigSyntaxType *OnigDefaultSyntax;
#define ONIG_SYNTAX_DEFAULT OnigDefaultSyntax
 
/* syntax (operators) */
#define ONIG_SYN_OP_VARIABLE_META_CHARACTERS (1U << 0)
#define ONIG_SYN_OP_DOT_ANYCHAR (1U << 1)       /* . */
#define ONIG_SYN_OP_ASTERISK_ZERO_INF (1U << 2) /* * */
#define ONIG_SYN_OP_ESC_ASTERISK_ZERO_INF (1U << 3)
#define ONIG_SYN_OP_PLUS_ONE_INF (1U << 4) /* + */
#define ONIG_SYN_OP_ESC_PLUS_ONE_INF (1U << 5)
#define ONIG_SYN_OP_QMARK_ZERO_ONE (1U << 6) /* ? */
#define ONIG_SYN_OP_ESC_QMARK_ZERO_ONE (1U << 7)
#define ONIG_SYN_OP_BRACE_INTERVAL (1U << 8)              /* {lower,upper} */
#define ONIG_SYN_OP_ESC_BRACE_INTERVAL (1U << 9)          /* \{lower,upper\} */
#define ONIG_SYN_OP_VBAR_ALT (1U << 10)                   /* | */
#define ONIG_SYN_OP_ESC_VBAR_ALT (1U << 11)               /* \| */
#define ONIG_SYN_OP_LPAREN_SUBEXP (1U << 12)              /* (...)   */
#define ONIG_SYN_OP_ESC_LPAREN_SUBEXP (1U << 13)          /* \‍(...\‍) */
#define ONIG_SYN_OP_ESC_AZ_BUF_ANCHOR (1U << 14)          /* \A, \Z, \z */
#define ONIG_SYN_OP_ESC_CAPITAL_G_BEGIN_ANCHOR (1U << 15) /* \G     */
#define ONIG_SYN_OP_DECIMAL_BACKREF (1U << 16)            /* \num   */
#define ONIG_SYN_OP_BRACKET_CC (1U << 17)                 /* [...]  */
#define ONIG_SYN_OP_ESC_W_WORD (1U << 18)                 /* \w, \W */
#define ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END (1U << 19)    /* <. > */
#define ONIG_SYN_OP_ESC_B_WORD_BOUND (1U << 20)           /* \b, \B */
#define ONIG_SYN_OP_ESC_S_WHITE_SPACE (1U << 21)          /* \s, \S */
#define ONIG_SYN_OP_ESC_D_DIGIT (1U << 22)                /* \d, \D */
#define ONIG_SYN_OP_LINE_ANCHOR (1U << 23)                /* ^, $   */
#define ONIG_SYN_OP_POSIX_BRACKET (1U << 24)              /* [:xxxx:] */
#define ONIG_SYN_OP_QMARK_NON_GREEDY (1U << 25)           /* ??,*?,+?,{n,m}? */
#define ONIG_SYN_OP_ESC_CONTROL_CHARS (1U << 26)          /* \n,\r,\t,\a ... */
#define ONIG_SYN_OP_ESC_C_CONTROL (1U << 27)              /* \cx  */
#define ONIG_SYN_OP_ESC_OCTAL3 (1U << 28)                 /* \OOO */
#define ONIG_SYN_OP_ESC_X_HEX2 (1U << 29)                 /* \xHH */
#define ONIG_SYN_OP_ESC_X_BRACE_HEX8 (1U << 30)           /* \x{7HHHHHHH} */
#define ONIG_SYN_OP_ESC_O_BRACE_OCTAL (1U << 31)          /* \o{1OOOOOOOOOO} */
 
#define ONIG_SYN_OP2_ESC_CAPITAL_Q_QUOTE (1U << 0)        /* \Q...\E */
#define ONIG_SYN_OP2_QMARK_GROUP_EFFECT (1U << 1)         /* (?...) */
#define ONIG_SYN_OP2_OPTION_PERL (1U << 2)                /* (?imsx),(?-imsx) */
#define ONIG_SYN_OP2_OPTION_RUBY (1U << 3)                /* (?imx), (?-imx)  */
#define ONIG_SYN_OP2_PLUS_POSSESSIVE_REPEAT (1U << 4)     /* ?+,*+,++ */
#define ONIG_SYN_OP2_PLUS_POSSESSIVE_INTERVAL (1U << 5)   /* {n,m}+   */
#define ONIG_SYN_OP2_CCLASS_SET_OP (1U << 6)              /* [...&&..[..]..] */
#define ONIG_SYN_OP2_QMARK_LT_NAMED_GROUP (1U << 7)       /* (?<name>...) */
#define ONIG_SYN_OP2_ESC_K_NAMED_BACKREF (1U << 8)        /* \k<name> */
#define ONIG_SYN_OP2_ESC_G_SUBEXP_CALL (1U << 9)          /* \g<name>, \g<n> */
#define ONIG_SYN_OP2_ATMARK_CAPTURE_HISTORY (1U << 10)    /* (?@..),(?@<x>..) */
#define ONIG_SYN_OP2_ESC_CAPITAL_C_BAR_CONTROL (1U << 11) /* \C-x */
#define ONIG_SYN_OP2_ESC_CAPITAL_M_BAR_META (1U << 12)    /* \M-x */
#define ONIG_SYN_OP2_ESC_V_VTAB (1U << 13)                /* \v as VTAB */
#define ONIG_SYN_OP2_ESC_U_HEX4 (1U << 14)                /* \uHHHH */
#define ONIG_SYN_OP2_ESC_GNU_BUF_ANCHOR (1U << 15)        /* \`, \' */
#define ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY                                 \
  (1U << 16) /* \p{...}, \P{...}                                               \
              */
#define ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT                                \
  (1U << 17) /* \p{^..}, \P{^..} */
/* #define ONIG_SYN_OP2_CHAR_PROPERTY_PREFIX_IS (1U<<18) */
#define ONIG_SYN_OP2_ESC_H_XDIGIT (1U << 19)       /* \h, \H */
#define ONIG_SYN_OP2_INEFFECTIVE_ESCAPE (1U << 20) /* \ */
#define ONIG_SYN_OP2_QMARK_LPAREN_IF_ELSE                                      \
  (1U << 21)                                       /* (?(n)) (?(...)...|...) */
#define ONIG_SYN_OP2_ESC_CAPITAL_K_KEEP (1U << 22) /* \K */
#define ONIG_SYN_OP2_ESC_CAPITAL_R_GENERAL_NEWLINE                             \
  (1U << 23) /* \R \r\n else [\x0a-\x0d] */
#define ONIG_SYN_OP2_ESC_CAPITAL_N_O_SUPER_DOT                                 \
  (1U << 24) /* \N (?-m:.), \O (?m:.) */
#define ONIG_SYN_OP2_QMARK_TILDE_ABSENT_GROUP (1U << 25) /* (?~...) */
#define ONIG_SYN_OP2_ESC_X_Y_GRAPHEME_CLUSTER                                  \
  (1U << 26)                                           /* obsoleted: use next */
#define ONIG_SYN_OP2_ESC_X_Y_TEXT_SEGMENT (1U << 26)   /* \X \y \Y */
#define ONIG_SYN_OP2_QMARK_PERL_SUBEXP_CALL (1U << 27) /* (?R), (?&name)... */
#define ONIG_SYN_OP2_QMARK_BRACE_CALLOUT_CONTENTS                              \
  (1U << 28) /* (?{...}) (?{{...}}) */
#define ONIG_SYN_OP2_ASTERISK_CALLOUT_NAME                                     \
  (1U << 29)                                     /* (*name) (*name{a,..}) */
#define ONIG_SYN_OP2_OPTION_ONIGURUMA (1U << 30) /* (?imxWDSPy) */
#define ONIG_SYN_OP2_QMARK_CAPITAL_P_NAME                                      \
  (1U << 31) /* (?P<name>...) (?P=name) */
 
/* syntax (behavior) */
#define ONIG_SYN_CONTEXT_INDEP_ANCHORS (1U << 31)          /* not implemented */
#define ONIG_SYN_CONTEXT_INDEP_REPEAT_OPS (1U << 0)        /* ?, *, +, {n,m} */
#define ONIG_SYN_CONTEXT_INVALID_REPEAT_OPS (1U << 1)      /* error or ignore */
#define ONIG_SYN_ALLOW_UNMATCHED_CLOSE_SUBEXP (1U << 2)    /* ...)... */
#define ONIG_SYN_ALLOW_INVALID_INTERVAL (1U << 3)          /* {??? */
#define ONIG_SYN_ALLOW_INTERVAL_LOW_ABBREV (1U << 4)       /* {,n} => {0,n} */
#define ONIG_SYN_STRICT_CHECK_BACKREF (1U << 5)            /* /(\1)/,/\1()/ ..*/
#define ONIG_SYN_DIFFERENT_LEN_ALT_LOOK_BEHIND (1U << 6)   /* (?<=a|bc) */
#define ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP (1U << 7)        /* see doc/RE */
#define ONIG_SYN_ALLOW_MULTIPLEX_DEFINITION_NAME (1U << 8) /* (?<x>)(?<x>) */
#define ONIG_SYN_FIXED_INTERVAL_IS_GREEDY_ONLY (1U << 9)   /* a{n}?=(?:a{n})? */
#define ONIG_SYN_ISOLATED_OPTION_CONTINUE_BRANCH                               \
  (1U << 10)                                             /* ..(?i)...|...      \
                                                          */
#define ONIG_SYN_VARIABLE_LEN_LOOK_BEHIND (1U << 11)     /* (?<=a+|..) */
#define ONIG_SYN_PYTHON (1U << 12)                       /* \UHHHHHHHH */
#define ONIG_SYN_WHOLE_OPTIONS (1U << 13)                /* (?Ie) */
#define ONIG_SYN_BRE_ANCHOR_AT_EDGE_OF_SUBEXP (1U << 14) /* \‍(^abc$\‍) */
 
/* syntax (behavior) in char class [...] */
#define ONIG_SYN_NOT_NEWLINE_IN_NEGATIVE_CC (1U << 20) /* [^...] */
#define ONIG_SYN_BACKSLASH_ESCAPE_IN_CC (1U << 21)     /* [..\w..] etc.. */
#define ONIG_SYN_ALLOW_EMPTY_RANGE_IN_CC (1U << 22)
#define ONIG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC (1U << 23) /* [0-9-a]=[0-9\-a] */
#define ONIG_SYN_ALLOW_INVALID_CODE_END_OF_RANGE_IN_CC (1U << 26)
/* syntax (behavior) warning */
#define ONIG_SYN_WARN_CC_OP_NOT_ESCAPED (1U << 24)       /* [,-,] */
#define ONIG_SYN_WARN_REDUNDANT_NESTED_REPEAT (1U << 25) /* (?:a*)+ */
 
/* meta character specifiers (onig_set_meta_char()) */
#define ONIG_META_CHAR_ESCAPE 0
#define ONIG_META_CHAR_ANYCHAR 1
#define ONIG_META_CHAR_ANYTIME 2
#define ONIG_META_CHAR_ZERO_OR_ONE_TIME 3
#define ONIG_META_CHAR_ONE_OR_MORE_TIME 4
#define ONIG_META_CHAR_ANYCHAR_ANYTIME 5
 
#define ONIG_INEFFECTIVE_META_CHAR 0
 
/* error codes */
#define ONIG_IS_PATTERN_ERROR(ecode) ((ecode) <= -100 && (ecode) > -1000)
 
/* normal return */
#define ONIG_NORMAL 0
#define ONIG_VALUE_IS_NOT_SET 1
#define ONIG_MISMATCH -1
#define ONIG_NO_SUPPORT_CONFIG -2
#define ONIG_ABORT -3
 
/* internal error */
#define ONIGERR_MEMORY -5
#define ONIGERR_TYPE_BUG -6
#define ONIGERR_PARSER_BUG -11
#define ONIGERR_STACK_BUG -12
#define ONIGERR_UNDEFINED_BYTECODE -13
#define ONIGERR_UNEXPECTED_BYTECODE -14
#define ONIGERR_MATCH_STACK_LIMIT_OVER -15
#define ONIGERR_PARSE_DEPTH_LIMIT_OVER -16
#define ONIGERR_RETRY_LIMIT_IN_MATCH_OVER -17
#define ONIGERR_RETRY_LIMIT_IN_SEARCH_OVER -18
#define ONIGERR_SUBEXP_CALL_LIMIT_IN_SEARCH_OVER -19
#define ONIGERR_DEFAULT_ENCODING_IS_NOT_SETTED -21 /*dont use*/
#define ONIGERR_DEFAULT_ENCODING_IS_NOT_SET -21
#define ONIGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR -22
#define ONIGERR_FAIL_TO_INITIALIZE -23
/* general error */
#define ONIGERR_INVALID_ARGUMENT -30
/* syntax error */
#define ONIGERR_END_PATTERN_AT_LEFT_BRACE -100
#define ONIGERR_END_PATTERN_AT_LEFT_BRACKET -101
#define ONIGERR_EMPTY_CHAR_CLASS -102
#define ONIGERR_PREMATURE_END_OF_CHAR_CLASS -103
#define ONIGERR_END_PATTERN_AT_ESCAPE -104
#define ONIGERR_END_PATTERN_AT_META -105
#define ONIGERR_END_PATTERN_AT_CONTROL -106
#define ONIGERR_META_CODE_SYNTAX -108
#define ONIGERR_CONTROL_CODE_SYNTAX -109
#define ONIGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE -110
#define ONIGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE -111
#define ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS -112
#define ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED -113
#define ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID -114
#define ONIGERR_NESTED_REPEAT_OPERATOR -115
#define ONIGERR_UNMATCHED_CLOSE_PARENTHESIS -116
#define ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS -117
#define ONIGERR_END_PATTERN_IN_GROUP -118
#define ONIGERR_UNDEFINED_GROUP_OPTION -119
#define ONIGERR_INVALID_GROUP_OPTION -120
#define ONIGERR_INVALID_POSIX_BRACKET_TYPE -121
#define ONIGERR_INVALID_LOOK_BEHIND_PATTERN -122
#define ONIGERR_INVALID_REPEAT_RANGE_PATTERN -123
/* values error (syntax error) */
#define ONIGERR_TOO_BIG_NUMBER -200
#define ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE -201
#define ONIGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE -202
#define ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS -203
#define ONIGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE -204
#define ONIGERR_TOO_MANY_MULTI_BYTE_RANGES -205
#define ONIGERR_TOO_SHORT_MULTI_BYTE_STRING -206
#define ONIGERR_TOO_BIG_BACKREF_NUMBER -207
#define ONIGERR_INVALID_BACKREF -208
#define ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED -209
#define ONIGERR_TOO_MANY_CAPTURES -210
#define ONIGERR_TOO_LONG_WIDE_CHAR_VALUE -212
#define ONIGERR_UNDEFINED_OPERATOR -213
#define ONIGERR_EMPTY_GROUP_NAME -214
#define ONIGERR_INVALID_GROUP_NAME -215
#define ONIGERR_INVALID_CHAR_IN_GROUP_NAME -216
#define ONIGERR_UNDEFINED_NAME_REFERENCE -217
#define ONIGERR_UNDEFINED_GROUP_REFERENCE -218
#define ONIGERR_MULTIPLEX_DEFINED_NAME -219
#define ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL -220
#define ONIGERR_NEVER_ENDING_RECURSION -221
#define ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY -222
#define ONIGERR_INVALID_CHAR_PROPERTY_NAME -223
#define ONIGERR_INVALID_IF_ELSE_SYNTAX -224
#define ONIGERR_INVALID_ABSENT_GROUP_PATTERN -225
#define ONIGERR_INVALID_ABSENT_GROUP_GENERATOR_PATTERN -226
#define ONIGERR_INVALID_CALLOUT_PATTERN -227
#define ONIGERR_INVALID_CALLOUT_NAME -228
#define ONIGERR_UNDEFINED_CALLOUT_NAME -229
#define ONIGERR_INVALID_CALLOUT_BODY -230
#define ONIGERR_INVALID_CALLOUT_TAG_NAME -231
#define ONIGERR_INVALID_CALLOUT_ARG -232
#define ONIGERR_INVALID_CODE_POINT_VALUE -400
#define ONIGERR_INVALID_WIDE_CHAR_VALUE -400
#define ONIGERR_TOO_BIG_WIDE_CHAR_VALUE -401
#define ONIGERR_NOT_SUPPORTED_ENCODING_COMBINATION -402
#define ONIGERR_INVALID_COMBINATION_OF_OPTIONS -403
#define ONIGERR_TOO_MANY_USER_DEFINED_OBJECTS -404
#define ONIGERR_TOO_LONG_PROPERTY_NAME -405
#define ONIGERR_VERY_INEFFICIENT_PATTERN -406
#define ONIGERR_LIBRARY_IS_NOT_INITIALIZED -500
 
/* errors related to thread */
/* #define ONIGERR_OVER_THREAD_PASS_LIMIT_COUNT                -1001 */
 
/* must be smaller than MEM_STATUS_BITS_NUM (unsigned int * 8) */
#define ONIG_MAX_CAPTURE_HISTORY_GROUP 31
#define ONIG_IS_CAPTURE_HISTORY_GROUP(r, i)                                    \
  ((i) <= ONIG_MAX_CAPTURE_HISTORY_GROUP && (r)->list && (r)->list[i])
 
typedef struct OnigCaptureTreeNodeStruct {
  int group; /* group number */
  int beg;
  int end;
  int allocated;
  int num_childs;
  struct OnigCaptureTreeNodeStruct **childs;
} OnigCaptureTreeNode;
 
/* match result region type */
struct re_registers {
  int allocated;
  int num_regs;
  int *beg;
  int *end;
  /* extended */
  OnigCaptureTreeNode *history_root; /* capture history tree root */
};
 
/* capture tree traverse */
#define ONIG_TRAVERSE_CALLBACK_AT_FIRST 1
#define ONIG_TRAVERSE_CALLBACK_AT_LAST 2
#define ONIG_TRAVERSE_CALLBACK_AT_BOTH                                         \
  (ONIG_TRAVERSE_CALLBACK_AT_FIRST | ONIG_TRAVERSE_CALLBACK_AT_LAST)
 
#define ONIG_REGION_NOTPOS -1
 
typedef struct re_registers OnigRegion;
 
typedef struct {
  OnigEncoding enc;
  OnigUChar *par;
  OnigUChar *par_end;
} OnigErrorInfo;
 
typedef struct {
  int lower;
  int upper;
} OnigRepeatRange;
 
typedef void(*OnigWarnFunc) P_((const char *s));
extern void onig_null_warn P_((const char *s));
#define ONIG_NULL_WARN onig_null_warn
 
#define ONIG_CHAR_TABLE_SIZE 256
 
struct re_pattern_buffer;
typedef struct re_pattern_buffer OnigRegexType;
typedef OnigRegexType *OnigRegex;
 
#ifndef ONIG_ESCAPE_REGEX_T_COLLISION
typedef OnigRegexType regex_t;
#endif
 
struct OnigRegSetStruct;
typedef struct OnigRegSetStruct OnigRegSet;
 
typedef enum {
  ONIG_REGSET_POSITION_LEAD = 0,
  ONIG_REGSET_REGEX_LEAD = 1,
  ONIG_REGSET_PRIORITY_TO_REGEX_ORDER = 2
} OnigRegSetLead;
 
typedef struct {
  int num_of_elements;
  OnigEncoding pattern_enc;
  OnigEncoding target_enc;
  OnigSyntaxType *syntax;
  OnigOptionType option;
  OnigCaseFoldType case_fold_flag;
} OnigCompileInfo;
 
typedef int (*OnigCallbackEachMatchFunc)(const OnigUChar *str,
                                         const OnigUChar *end,
                                         const OnigUChar *match_start,
                                         OnigRegion *region, void *user_data);
 
/* types for callout */
typedef enum {
  ONIG_CALLOUT_IN_PROGRESS = 1,  /* 1<<0 */
  ONIG_CALLOUT_IN_RETRACTION = 2 /* 1<<1 */
} OnigCalloutIn;
 
#define ONIG_CALLOUT_IN_BOTH                                                   \
  (ONIG_CALLOUT_IN_PROGRESS | ONIG_CALLOUT_IN_RETRACTION)
 
typedef enum {
  ONIG_CALLOUT_OF_CONTENTS = 0,
  ONIG_CALLOUT_OF_NAME = 1
} OnigCalloutOf;
 
typedef enum {
  ONIG_CALLOUT_TYPE_SINGLE = 0,
  ONIG_CALLOUT_TYPE_START_CALL = 1,
  ONIG_CALLOUT_TYPE_BOTH_CALL = 2,
  ONIG_CALLOUT_TYPE_START_MARK_END_CALL = 3,
} OnigCalloutType;
 
#define ONIG_NON_NAME_ID -1
#define ONIG_NON_CALLOUT_NUM 0
 
#define ONIG_CALLOUT_MAX_ARGS_NUM 4
#define ONIG_CALLOUT_DATA_SLOT_NUM 5
 
struct OnigCalloutArgsStruct;
typedef struct OnigCalloutArgsStruct OnigCalloutArgs;
 
typedef int (*OnigCalloutFunc)(OnigCalloutArgs *args, void *user_data);
 
/* callout function return values (less than -1: error code) */
typedef enum {
  ONIG_CALLOUT_FAIL = 1,
  ONIG_CALLOUT_SUCCESS = 0
} OnigCalloutResult;
 
typedef enum {
  ONIG_TYPE_VOID = 0,
  ONIG_TYPE_LONG = 1 << 0,
  ONIG_TYPE_CHAR = 1 << 1,
  ONIG_TYPE_STRING = 1 << 2,
  ONIG_TYPE_POINTER = 1 << 3,
  ONIG_TYPE_TAG = 1 << 4,
} OnigType;
 
typedef union {
  long l;
  OnigCodePoint c;
  struct {
    OnigUChar *start;
    OnigUChar *end;
  } s;
  void *p;
  int tag; /* tag -> callout_num */
} OnigValue;
 
struct OnigMatchParamStruct;
typedef struct OnigMatchParamStruct OnigMatchParam;
 
/* Oniguruma Native API */
 
ONIG_EXTERN
int onig_initialize(OnigEncoding encodings[], int number_of_encodings);
 
ONIG_EXTERN
int onig_init();
 
ONIG_EXTERN
int ONIG_VARIADIC_FUNC_ATTR onig_error_code_to_str PV_((OnigUChar * s,
                                                        int err_code, ...));
ONIG_EXTERN
int onig_is_error_code_needs_param PV_((int code));
ONIG_EXTERN
void onig_set_warn_func P_((OnigWarnFunc f));
ONIG_EXTERN
void onig_set_verb_warn_func P_((OnigWarnFunc f));
ONIG_EXTERN
int onig_new P_((OnigRegex *, const OnigUChar *pattern,
                 const OnigUChar *pattern_end, OnigOptionType option,
                 OnigEncoding enc, OnigSyntaxType *syntax,
                 OnigErrorInfo *einfo));
ONIG_EXTERN
int onig_reg_init P_((OnigRegex reg, OnigOptionType option,
                      OnigCaseFoldType case_fold_flag, OnigEncoding enc,
                      OnigSyntaxType *syntax));
int onig_new_without_alloc P_((OnigRegex, const OnigUChar *pattern,
                               const OnigUChar *pattern_end,
                               OnigOptionType option, OnigEncoding enc,
                               OnigSyntaxType *syntax, OnigErrorInfo *einfo));
ONIG_EXTERN
int onig_new_deluxe P_((OnigRegex * reg, const OnigUChar *pattern,
                        const OnigUChar *pattern_end, OnigCompileInfo *ci,
                        OnigErrorInfo *einfo));
ONIG_EXTERN
void onig_free P_((OnigRegex));
ONIG_EXTERN
void onig_free_body P_((OnigRegex));
ONIG_EXTERN
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);
ONIG_EXTERN
int onig_search P_((OnigRegex, const OnigUChar *str, const OnigUChar *end,
                    const OnigUChar *start, const OnigUChar *range,
                    OnigRegion *region, OnigOptionType option));
ONIG_EXTERN
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));
ONIG_EXTERN
int onig_match P_((OnigRegex, const OnigUChar *str, const OnigUChar *end,
                   const OnigUChar *at, OnigRegion *region,
                   OnigOptionType option));
ONIG_EXTERN
int onig_match_with_param P_((OnigRegex, const OnigUChar *str,
                              const OnigUChar *end, const OnigUChar *at,
                              OnigRegion *region, OnigOptionType option,
                              OnigMatchParam *mp));
 
ONIG_EXTERN
int onig_regset_new P_((OnigRegSet * *rset, int n, OnigRegex regs[]));
ONIG_EXTERN
int onig_regset_add P_((OnigRegSet * set, OnigRegex reg));
ONIG_EXTERN
int onig_regset_replace P_((OnigRegSet * set, int at, OnigRegex reg));
ONIG_EXTERN
void onig_regset_free P_((OnigRegSet * set));
ONIG_EXTERN
int onig_regset_number_of_regex P_((OnigRegSet * set));
ONIG_EXTERN
OnigRegex onig_regset_get_regex P_((OnigRegSet * set, int at));
ONIG_EXTERN
OnigRegion *onig_regset_get_region P_((OnigRegSet * set, int at));
ONIG_EXTERN
int onig_regset_search P_((OnigRegSet * set, const OnigUChar *str,
                           const OnigUChar *end, const OnigUChar *start,
                           const OnigUChar *range, OnigRegSetLead lead,
                           OnigOptionType option, int *rmatch_pos));
ONIG_EXTERN
int onig_regset_search_with_param
    P_((OnigRegSet * set, const OnigUChar *str, const OnigUChar *end,
        const OnigUChar *start, const OnigUChar *range, OnigRegSetLead lead,
        OnigOptionType option, OnigMatchParam *mps[], int *rmatch_pos));
 
ONIG_EXTERN
OnigRegion *onig_region_new P_((void));
ONIG_EXTERN
void onig_region_init P_((OnigRegion * region));
ONIG_EXTERN
void onig_region_free P_((OnigRegion * region, int free_self));
ONIG_EXTERN
void onig_region_copy P_((OnigRegion * to, OnigRegion *from));
ONIG_EXTERN
void onig_region_clear P_((OnigRegion * region));
ONIG_EXTERN
int onig_region_resize P_((OnigRegion * region, int n));
ONIG_EXTERN
int onig_region_set P_((OnigRegion * region, int at, int beg, int end));
ONIG_EXTERN
int onig_name_to_group_numbers P_((OnigRegex reg, const OnigUChar *name,
                                   const OnigUChar *name_end, int **nums));
ONIG_EXTERN
int onig_name_to_backref_number P_((OnigRegex reg, const OnigUChar *name,
                                    const OnigUChar *name_end,
                                    OnigRegion *region));
ONIG_EXTERN
int onig_foreach_name P_((OnigRegex reg,
                          int (*func)(const OnigUChar *, const OnigUChar *, int,
                                      int *, OnigRegex, void *),
                          void *arg));
ONIG_EXTERN
int onig_number_of_names P_((OnigRegex reg));
ONIG_EXTERN
int onig_number_of_captures P_((OnigRegex reg));
ONIG_EXTERN
int onig_number_of_capture_histories P_((OnigRegex reg));
ONIG_EXTERN
OnigCaptureTreeNode *onig_get_capture_tree P_((OnigRegion * region));
ONIG_EXTERN
int onig_capture_tree_traverse
    P_((OnigRegion * region, int at,
        int (*callback_func)(int, int, int, int, int, void *), void *arg));
ONIG_EXTERN
int onig_noname_group_capture_is_active P_((OnigRegex reg));
ONIG_EXTERN
OnigEncoding onig_get_encoding P_((OnigRegex reg));
ONIG_EXTERN
OnigOptionType onig_get_options P_((OnigRegex reg));
ONIG_EXTERN
OnigCaseFoldType onig_get_case_fold_flag P_((OnigRegex reg));
ONIG_EXTERN
OnigSyntaxType *onig_get_syntax P_((OnigRegex reg));
ONIG_EXTERN
int onig_set_default_syntax P_((OnigSyntaxType * syntax));
ONIG_EXTERN
void onig_copy_syntax P_((OnigSyntaxType * to, OnigSyntaxType *from));
ONIG_EXTERN
unsigned int onig_get_syntax_op P_((OnigSyntaxType * syntax));
ONIG_EXTERN
unsigned int onig_get_syntax_op2 P_((OnigSyntaxType * syntax));
ONIG_EXTERN
unsigned int onig_get_syntax_behavior P_((OnigSyntaxType * syntax));
ONIG_EXTERN
OnigOptionType onig_get_syntax_options P_((OnigSyntaxType * syntax));
ONIG_EXTERN
void onig_set_syntax_op P_((OnigSyntaxType * syntax, unsigned int op));
ONIG_EXTERN
void onig_set_syntax_op2 P_((OnigSyntaxType * syntax, unsigned int op2));
ONIG_EXTERN
void onig_set_syntax_behavior P_((OnigSyntaxType * syntax,
                                  unsigned int behavior));
ONIG_EXTERN
void onig_set_syntax_options P_((OnigSyntaxType * syntax,
                                 OnigOptionType options));
ONIG_EXTERN
int onig_set_meta_char P_((OnigSyntaxType * syntax, unsigned int what,
                           OnigCodePoint code));
ONIG_EXTERN
void onig_copy_encoding P_((OnigEncoding to, OnigEncoding from));
ONIG_EXTERN
OnigCaseFoldType onig_get_default_case_fold_flag P_((void));
ONIG_EXTERN
int onig_set_default_case_fold_flag P_((OnigCaseFoldType case_fold_flag));
ONIG_EXTERN
unsigned int onig_get_match_stack_limit_size P_((void));
ONIG_EXTERN
int onig_set_match_stack_limit_size P_((unsigned int size));
ONIG_EXTERN
unsigned long onig_get_retry_limit_in_match P_((void));
ONIG_EXTERN
int onig_set_retry_limit_in_match P_((unsigned long n));
ONIG_EXTERN
unsigned long onig_get_retry_limit_in_search P_((void));
ONIG_EXTERN
int onig_set_retry_limit_in_search P_((unsigned long n));
ONIG_EXTERN
unsigned int onig_get_parse_depth_limit P_((void));
ONIG_EXTERN
int onig_set_capture_num_limit P_((int num));
ONIG_EXTERN
int onig_set_parse_depth_limit P_((unsigned int depth));
ONIG_EXTERN
unsigned long onig_get_subexp_call_limit_in_search P_((void));
ONIG_EXTERN
int onig_set_subexp_call_limit_in_search P_((unsigned long n));
ONIG_EXTERN
int onig_get_subexp_call_max_nest_level P_((void));
ONIG_EXTERN
int onig_set_subexp_call_max_nest_level P_((int level));
ONIG_EXTERN
int onig_unicode_define_user_property P_((const char *name,
                                          OnigCodePoint *ranges));
ONIG_EXTERN
int onig_end P_((void));
ONIG_EXTERN
const char *onig_version P_((void));
ONIG_EXTERN
const char *onig_copyright P_((void));
 
/* for callback each match */
ONIG_EXTERN
OnigCallbackEachMatchFunc onig_get_callback_each_match P_((void));
ONIG_EXTERN
int onig_set_callback_each_match P_((OnigCallbackEachMatchFunc f));
 
/* for OnigMatchParam */
ONIG_EXTERN
OnigMatchParam *onig_new_match_param P_((void));
ONIG_EXTERN
void onig_free_match_param P_((OnigMatchParam * p));
ONIG_EXTERN
void onig_free_match_param_content P_((OnigMatchParam * p));
ONIG_EXTERN
int onig_initialize_match_param P_((OnigMatchParam * mp));
ONIG_EXTERN
int onig_set_match_stack_limit_size_of_match_param P_((OnigMatchParam * param,
                                                       unsigned int limit));
ONIG_EXTERN
int onig_set_retry_limit_in_match_of_match_param P_((OnigMatchParam * param,
                                                     unsigned long limit));
ONIG_EXTERN
int onig_set_retry_limit_in_search_of_match_param P_((OnigMatchParam * param,
                                                      unsigned long limit));
ONIG_EXTERN
int onig_set_progress_callout_of_match_param P_((OnigMatchParam * param,
                                                 OnigCalloutFunc f));
ONIG_EXTERN
int onig_set_retraction_callout_of_match_param P_((OnigMatchParam * param,
                                                   OnigCalloutFunc f));
ONIG_EXTERN
int onig_set_callout_user_data_of_match_param P_((OnigMatchParam * param,
                                                  void *user_data));
 
/* for callout functions */
ONIG_EXTERN
OnigCalloutFunc onig_get_progress_callout P_((void));
ONIG_EXTERN
int onig_set_progress_callout P_((OnigCalloutFunc f));
ONIG_EXTERN
OnigCalloutFunc onig_get_retraction_callout P_((void));
ONIG_EXTERN
int onig_set_retraction_callout P_((OnigCalloutFunc f));
ONIG_EXTERN
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[]));
ONIG_EXTERN
OnigUChar *onig_get_callout_name_by_name_id P_((int id));
ONIG_EXTERN
int onig_get_callout_num_by_tag P_((OnigRegex reg, const OnigUChar *tag,
                                    const OnigUChar *tag_end));
ONIG_EXTERN
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));
ONIG_EXTERN
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));
ONIG_EXTERN
int onig_get_callout_data_by_tag_dont_clear_old
    P_((OnigRegex reg, OnigMatchParam *mp, const OnigUChar *tag,
        const OnigUChar *tag_end, int slot, OnigType *type, OnigValue *val));
 
/* used in callout functions */
ONIG_EXTERN
int onig_get_callout_num_by_callout_args P_((OnigCalloutArgs * args));
ONIG_EXTERN
OnigCalloutIn onig_get_callout_in_by_callout_args P_((OnigCalloutArgs * args));
ONIG_EXTERN
int onig_get_name_id_by_callout_args P_((OnigCalloutArgs * args));
ONIG_EXTERN
const OnigUChar *onig_get_contents_by_callout_args P_((OnigCalloutArgs * args));
ONIG_EXTERN
const OnigUChar *onig_get_contents_end_by_callout_args P_((OnigCalloutArgs *
                                                           args));
ONIG_EXTERN
int onig_get_args_num_by_callout_args P_((OnigCalloutArgs * args));
ONIG_EXTERN
int onig_get_passed_args_num_by_callout_args P_((OnigCalloutArgs * args));
ONIG_EXTERN
int onig_get_arg_by_callout_args P_((OnigCalloutArgs * args, int index,
                                     OnigType *type, OnigValue *val));
ONIG_EXTERN
const OnigUChar *onig_get_string_by_callout_args P_((OnigCalloutArgs * args));
ONIG_EXTERN
const OnigUChar *onig_get_string_end_by_callout_args P_((OnigCalloutArgs *
                                                         args));
ONIG_EXTERN
const OnigUChar *onig_get_start_by_callout_args P_((OnigCalloutArgs * args));
ONIG_EXTERN
const OnigUChar *onig_get_right_range_by_callout_args P_((OnigCalloutArgs *
                                                          args));
ONIG_EXTERN
const OnigUChar *onig_get_current_by_callout_args P_((OnigCalloutArgs * args));
ONIG_EXTERN
OnigRegex onig_get_regex_by_callout_args P_((OnigCalloutArgs * args));
ONIG_EXTERN
unsigned long onig_get_retry_counter_by_callout_args P_((OnigCalloutArgs *
                                                         args));
ONIG_EXTERN
int onig_callout_tag_is_exist_at_callout_num P_((OnigRegex reg,
                                                 int callout_num));
ONIG_EXTERN
const OnigUChar *onig_get_callout_tag_start P_((OnigRegex reg,
                                                int callout_num));
ONIG_EXTERN
const OnigUChar *onig_get_callout_tag_end P_((OnigRegex reg, int callout_num));
ONIG_EXTERN
int onig_get_callout_data_dont_clear_old P_((OnigRegex reg, OnigMatchParam *mp,
                                             int callout_num, int slot,
                                             OnigType *type, OnigValue *val));
ONIG_EXTERN
int onig_get_callout_data_by_callout_args_self_dont_clear_old
    P_((OnigCalloutArgs * args, int slot, OnigType *type, OnigValue *val));
ONIG_EXTERN
int onig_get_callout_data P_((OnigRegex reg, OnigMatchParam *mp,
                              int callout_num, int slot, OnigType *type,
                              OnigValue *val));
ONIG_EXTERN
int onig_get_callout_data_by_callout_args P_((OnigCalloutArgs * args,
                                              int callout_num, int slot,
                                              OnigType *type, OnigValue *val));
ONIG_EXTERN
int onig_get_callout_data_by_callout_args_self P_((OnigCalloutArgs * args,
                                                   int slot, OnigType *type,
                                                   OnigValue *val));
ONIG_EXTERN
int onig_set_callout_data P_((OnigRegex reg, OnigMatchParam *mp,
                              int callout_num, int slot, OnigType type,
                              OnigValue *val));
ONIG_EXTERN
int onig_set_callout_data_by_callout_args P_((OnigCalloutArgs * args,
                                              int callout_num, int slot,
                                              OnigType type, OnigValue *val));
ONIG_EXTERN
int onig_set_callout_data_by_callout_args_self P_((OnigCalloutArgs * args,
                                                   int slot, OnigType type,
                                                   OnigValue *val));
ONIG_EXTERN
int onig_get_capture_range_in_callout P_((OnigCalloutArgs * args, int mem_num,
                                          int *begin, int *end));
ONIG_EXTERN
int onig_get_used_stack_size_in_callout P_((OnigCalloutArgs * args,
                                            int *used_num, int *used_bytes));
 
/* builtin callout functions */
ONIG_EXTERN
int onig_builtin_fail P_((OnigCalloutArgs * args, void *user_data));
ONIG_EXTERN
int onig_builtin_mismatch P_((OnigCalloutArgs * args, void *user_data));
ONIG_EXTERN
int onig_builtin_error P_((OnigCalloutArgs * args, void *user_data));
ONIG_EXTERN
int onig_builtin_count P_((OnigCalloutArgs * args, void *user_data));
ONIG_EXTERN
int onig_builtin_total_count P_((OnigCalloutArgs * args, void *user_data));
ONIG_EXTERN
int onig_builtin_max P_((OnigCalloutArgs * args, void *user_data));
ONIG_EXTERN
int onig_builtin_cmp P_((OnigCalloutArgs * args, void *user_data));
 
ONIG_EXTERN
int onig_setup_builtin_monitors_by_ascii_encoded_name P_((void *fp));
 
#ifdef __cplusplus
}
#endif
 
#endif /* ONIGURUMA_H */