oniguruma.h

Mac OS X 平台一文本编辑器的源代码

#ifndef ONIGURUMA_H
#define ONIGURUMA_H
/**********************************************************************
  oniguruma.h - Oniguruma (regular expression library)
**********************************************************************/
/*-
 * Copyright (c) 2002-2006  K.Kosako  <sndgk393 AT ybb DOT ne DOT jp>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifdef __cplusplus
extern "C" {
#endif

#define ONIGURUMA
#define ONIGURUMA_VERSION_MAJOR   4
#define ONIGURUMA_VERSION_MINOR   0
#define ONIGURUMA_VERSION_TEENY   1

#ifdef __cplusplus
# ifndef  HAVE_PROTOTYPES
#  define HAVE_PROTOTYPES 1
# endif
# ifndef  HAVE_STDARG_PROTOTYPES
#  define HAVE_STDARG_PROTOTYPES 1
# endif
#endif

#ifndef P_
#if defined(__STDC__) || defined(_WIN32)
# define P_(args) args
#else
# define P_(args) ()
#endif
#endif

#ifndef PV_
#ifdef HAVE_STDARG_PROTOTYPES
# define PV_(args) args
#else
# define PV_(args) ()
#endif
#endif

#ifndef ONIG_EXTERN
#if defined(_WIN32) && !defined(__GNUC__)
#if defined(EXPORT) || defined(RUBY_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

/* PART: character encoding */

#ifndef ONIG_ESCAPE_UCHAR_COLLISION
#define UChar OnigUChar
#endif

typedef unsigned char  OnigUChar;
typedef unsigned long  OnigCodePoint;
typedef unsigned int   OnigDistance;

#define ONIG_INFINITE_DISTANCE  ~((OnigDistance )0)

/* ambiguous match flag */
typedef unsigned int OnigAmbigType;

ONIG_EXTERN OnigAmbigType OnigDefaultAmbigFlag;

#define ONIGENC_AMBIGUOUS_MATCH_NONE                   0
#define ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE            (1<<0)
#define ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE         (1<<1)
/* #define ONIGENC_AMBIGUOUS_MATCH_ACCENT             (1<<2) */
/* #define ONIGENC_AMBIGUOUS_MATCH_HIRAGANA_KATAKANA  (1<<3) */
/* #define ONIGENC_AMBIGUOUS_MATCH_KATAKANA_WIDTH     (1<<4) */

#define ONIGENC_AMBIGUOUS_MATCH_LIMIT                 (1<<1)
#define ONIGENC_AMBIGUOUS_MATCH_COMPOUND              (1<<30)

#define ONIGENC_AMBIGUOUS_MATCH_FULL \
  ( ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE | \
    ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE | \
    ONIGENC_AMBIGUOUS_MATCH_COMPOUND )
#define ONIGENC_AMBIGUOUS_MATCH_DEFAULT  OnigDefaultAmbigFlag


#define ONIGENC_MAX_COMP_AMBIG_CODE_LEN       3
#define ONIGENC_MAX_COMP_AMBIG_CODE_ITEM_NUM  4

/* 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 len;
  OnigCodePoint code[ONIGENC_MAX_COMP_AMBIG_CODE_LEN];
} OnigCompAmbigCodeItem;

typedef struct {
  int n;
  OnigCodePoint code;
  OnigCompAmbigCodeItem items[ONIGENC_MAX_COMP_AMBIG_CODE_ITEM_NUM];
} OnigCompAmbigCodes;

typedef struct {
  OnigCodePoint from;
  OnigCodePoint to;
} OnigPairAmbigCodes;

typedef struct {
  OnigCodePoint esc;
  OnigCodePoint anychar;
  OnigCodePoint anytime;
  OnigCodePoint zero_or_one_time;
  OnigCodePoint one_or_more_time;
  OnigCodePoint anychar_anytime;
} OnigMetaCharTableType;


#if defined(RUBY_PLATFORM) && defined(M17N_H)

#define ONIG_RUBY_M17N
typedef m17n_encoding*        OnigEncoding;

#else

typedef struct {
  int    (*mbc_enc_len)(const OnigUChar* p);
  const char*   name;
  int           max_enc_len;
  int           min_enc_len;
  OnigAmbigType support_ambig_flag;
  OnigMetaCharTableType meta_char_table;
  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_to_normalize)(OnigAmbigType flag, const OnigUChar** pp, const OnigUChar* end, OnigUChar* to);
  int    (*is_mbc_ambiguous)(OnigAmbigType flag, const OnigUChar** pp, const OnigUChar* end);
  int    (*get_all_pair_ambig_codes)(OnigAmbigType flag, const OnigPairAmbigCodes** acs);
  int    (*get_all_comp_ambig_codes)(OnigAmbigType flag, const OnigCompAmbigCodes** acs);
  int    (*is_code_ctype)(OnigCodePoint code, unsigned int ctype);
  int    (*get_ctype_code_range)(int ctype, const OnigCodePoint* sb_range[], const OnigCodePoint* mb_range[]);
  OnigUChar* (*left_adjust_char_head)(const OnigUChar* start, const OnigUChar* p);
  int    (*is_allowed_reverse_match)(const OnigUChar* p, const OnigUChar* end);
} 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 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_BIG5         (&OnigEncodingBIG5)
#define ONIG_ENCODING_GB18030      (&OnigEncodingGB18030)

#endif /* else RUBY && M17N */

#define ONIG_ENCODING_UNDEF    ((OnigEncoding )0)


/* work size */
#define ONIGENC_CODE_TO_MBC_MAXLEN      7
#define ONIGENC_MBC_NORMALIZE_MAXLEN    ONIGENC_CODE_TO_MBC_MAXLEN

/* character types */
#define ONIGENC_CTYPE_NEWLINE  (1<< 0)
#define ONIGENC_CTYPE_ALPHA    (1<< 1)
#define ONIGENC_CTYPE_BLANK    (1<< 2)
#define ONIGENC_CTYPE_CNTRL    (1<< 3)
#define ONIGENC_CTYPE_DIGIT    (1<< 4)
#define ONIGENC_CTYPE_GRAPH    (1<< 5)
#define ONIGENC_CTYPE_LOWER    (1<< 6)
#define ONIGENC_CTYPE_PRINT    (1<< 7)
#define ONIGENC_CTYPE_PUNCT    (1<< 8)
#define ONIGENC_CTYPE_SPACE    (1<< 9)
#define ONIGENC_CTYPE_UPPER    (1<<10)
#define ONIGENC_CTYPE_XDIGIT   (1<<11)
#define ONIGENC_CTYPE_WORD     (1<<12)
#define ONIGENC_CTYPE_ASCII    (1<<13)
#define ONIGENC_CTYPE_ALNUM    (ONIGENC_CTYPE_ALPHA | ONIGENC_CTYPE_DIGIT)

#define enc_len(enc,p)                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_CODE_SB_WORD(enc,code) \
  (ONIGENC_IS_CODE_ASCII(code) && ONIGENC_IS_CODE_WORD(enc,code))
#define ONIGENC_IS_MBC_WORD(enc,s,end) \
   ONIGENC_IS_CODE_WORD(enc,ONIGENC_MBC_TO_CODE(enc,s,end))


#ifdef ONIG_RUBY_M17N

#include <ctype.h> /* for isblank(), isgraph() */

#define ONIGENC_MBC_TO_NORMALIZE(enc,flag,pp,end,buf) \
        onigenc_mbc_to_normalize(enc,flag,pp,end,buf)
#define ONIGENC_IS_MBC_AMBIGUOUS(enc,flag,pp,end) \
        onigenc_is_mbc_ambiguous(enc,flag,pp,end)

#define ONIGENC_SUPPORT_AMBIG_FLAG(enc)     ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE
#define ONIGENC_IS_ALLOWED_REVERSE_MATCH(enc,s,end) \
        onigenc_is_allowed_reverse_match(enc, s, end)
#define ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc,start,s) \
        onigenc_get_left_adjust_char_head(enc, start, s)
#define ONIGENC_GET_ALL_PAIR_AMBIG_CODES(enc, ambig_flag, acs)    0
#define ONIGENC_GET_ALL_COMP_AMBIG_CODES(enc, ambig_flag, acs)    0
#define ONIGENC_GET_CTYPE_CODE_RANGE(enc,ctype,sbr,mbr) \
        ONIG_NO_SUPPORT_CONFIG
#define ONIGENC_MBC_ENC_LEN(enc,p)            m17n_mbclen(enc,(int )(*p))
#define ONIGENC_MBC_MAXLEN(enc)               m17n_mbmaxlen(enc)