Ruby
2.0.0p247(2013-06-27revision41674)
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00001 #ifndef ONIGURUMA_REGENC_H 00002 #define ONIGURUMA_REGENC_H 00003 /********************************************************************** 00004 regenc.h - Onigmo (Oniguruma-mod) (regular expression library) 00005 **********************************************************************/ 00006 /*- 00007 * Copyright (c) 2002-2008 K.Kosako <sndgk393 AT ybb DOT ne DOT jp> 00008 * Copyright (c) 2011 K.Takata <kentkt AT csc DOT jp> 00009 * All rights reserved. 00010 * 00011 * Redistribution and use in source and binary forms, with or without 00012 * modification, are permitted provided that the following conditions 00013 * are met: 00014 * 1. Redistributions of source code must retain the above copyright 00015 * notice, this list of conditions and the following disclaimer. 00016 * 2. Redistributions in binary form must reproduce the above copyright 00017 * notice, this list of conditions and the following disclaimer in the 00018 * documentation and/or other materials provided with the distribution. 00019 * 00020 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 00021 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00022 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00023 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 00024 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00025 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00026 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00027 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00028 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00029 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00030 * SUCH DAMAGE. 00031 */ 00032 #ifndef REGINT_H 00033 #ifndef RUBY_EXTERN 00034 #include "ruby/config.h" 00035 #include "ruby/defines.h" 00036 #endif 00037 #ifdef ONIG_ESCAPE_UCHAR_COLLISION 00038 #undef ONIG_ESCAPE_UCHAR_COLLISION 00039 #endif 00040 #endif 00041 #include "ruby/oniguruma.h" 00042 00043 #if defined __GNUC__ && __GNUC__ >= 4 00044 #pragma GCC visibility push(default) 00045 #endif 00046 00047 typedef struct { 00048 OnigCodePoint from; 00049 OnigCodePoint to; 00050 } OnigPairCaseFoldCodes; 00051 00052 00053 #ifndef NULL 00054 #define NULL ((void* )0) 00055 #endif 00056 00057 #ifndef TRUE 00058 #define TRUE 1 00059 #endif 00060 00061 #ifndef FALSE 00062 #define FALSE 0 00063 #endif 00064 00065 #ifndef ARG_UNUSED 00066 #if defined(__GNUC__) 00067 # define ARG_UNUSED __attribute__ ((unused)) 00068 #else 00069 # define ARG_UNUSED 00070 #endif 00071 #endif 00072 00073 #define ONIG_IS_NULL(p) (((void*)(p)) == (void*)0) 00074 #define ONIG_IS_NOT_NULL(p) (((void*)(p)) != (void*)0) 00075 #define ONIG_CHECK_NULL_RETURN(p) if (ONIG_IS_NULL(p)) return NULL 00076 #define ONIG_CHECK_NULL_RETURN_VAL(p,val) if (ONIG_IS_NULL(p)) return (val) 00077 00078 #define enclen(enc,p,e) ((enc->max_enc_len == enc->min_enc_len) ? enc->min_enc_len : ONIGENC_MBC_ENC_LEN(enc,p,e)) 00079 00080 /* character types bit flag */ 00081 #define BIT_CTYPE_NEWLINE (1<< ONIGENC_CTYPE_NEWLINE) 00082 #define BIT_CTYPE_ALPHA (1<< ONIGENC_CTYPE_ALPHA) 00083 #define BIT_CTYPE_BLANK (1<< ONIGENC_CTYPE_BLANK) 00084 #define BIT_CTYPE_CNTRL (1<< ONIGENC_CTYPE_CNTRL) 00085 #define BIT_CTYPE_DIGIT (1<< ONIGENC_CTYPE_DIGIT) 00086 #define BIT_CTYPE_GRAPH (1<< ONIGENC_CTYPE_GRAPH) 00087 #define BIT_CTYPE_LOWER (1<< ONIGENC_CTYPE_LOWER) 00088 #define BIT_CTYPE_PRINT (1<< ONIGENC_CTYPE_PRINT) 00089 #define BIT_CTYPE_PUNCT (1<< ONIGENC_CTYPE_PUNCT) 00090 #define BIT_CTYPE_SPACE (1<< ONIGENC_CTYPE_SPACE) 00091 #define BIT_CTYPE_UPPER (1<< ONIGENC_CTYPE_UPPER) 00092 #define BIT_CTYPE_XDIGIT (1<< ONIGENC_CTYPE_XDIGIT) 00093 #define BIT_CTYPE_WORD (1<< ONIGENC_CTYPE_WORD) 00094 #define BIT_CTYPE_ALNUM (1<< ONIGENC_CTYPE_ALNUM) 00095 #define BIT_CTYPE_ASCII (1<< ONIGENC_CTYPE_ASCII) 00096 00097 #define CTYPE_TO_BIT(ctype) (1<<(ctype)) 00098 #define CTYPE_IS_WORD_GRAPH_PRINT(ctype) \ 00099 ((ctype) == ONIGENC_CTYPE_WORD || (ctype) == ONIGENC_CTYPE_GRAPH ||\ 00100 (ctype) == ONIGENC_CTYPE_PRINT) 00101 00102 00103 typedef struct { 00104 const UChar *name; 00105 int ctype; 00106 short int len; 00107 } PosixBracketEntryType; 00108 00109 #define PosixBracketEntryInit(name, ctype) {(const UChar *)name, ctype, (short int)(sizeof(name) - 1)} 00110 00111 #define USE_CRNL_AS_LINE_TERMINATOR 00112 #define USE_UNICODE_PROPERTIES 00113 /* #define USE_UNICODE_CASE_FOLD_TURKISH_AZERI */ 00114 /* #define USE_UNICODE_ALL_LINE_TERMINATORS */ /* see Unicode.org UTS #18 */ 00115 00116 00117 #define ONIG_ENCODING_INIT_DEFAULT ONIG_ENCODING_ASCII 00118 00119 /* for encoding system implementation (internal) */ 00120 ONIG_EXTERN int onigenc_ascii_apply_all_case_fold P_((OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg, OnigEncoding enc)); 00121 ONIG_EXTERN int onigenc_ascii_get_case_fold_codes_by_str P_((OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[], OnigEncoding enc)); 00122 ONIG_EXTERN int onigenc_apply_all_case_fold_with_map P_((int map_size, const OnigPairCaseFoldCodes map[], int ess_tsett_flag, OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg)); 00123 ONIG_EXTERN int onigenc_get_case_fold_codes_by_str_with_map P_((int map_size, const OnigPairCaseFoldCodes map[], int ess_tsett_flag, OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[])); 00124 ONIG_EXTERN int onigenc_not_support_get_ctype_code_range P_((OnigCtype ctype, OnigCodePoint* sb_out, const OnigCodePoint* ranges[], OnigEncoding enc)); 00125 ONIG_EXTERN int onigenc_is_mbc_newline_0x0a P_((const UChar* p, const UChar* end, OnigEncoding enc)); 00126 00127 00128 /* methods for single byte encoding */ 00129 ONIG_EXTERN int onigenc_ascii_mbc_case_fold P_((OnigCaseFoldType flag, const UChar** p, const UChar* end, UChar* lower, OnigEncoding enc)); 00130 ONIG_EXTERN int onigenc_single_byte_mbc_enc_len P_((const UChar* p, const UChar* e, OnigEncoding enc)); 00131 ONIG_EXTERN OnigCodePoint onigenc_single_byte_mbc_to_code P_((const UChar* p, const UChar* end, OnigEncoding enc)); 00132 ONIG_EXTERN int onigenc_single_byte_code_to_mbclen P_((OnigCodePoint code, OnigEncoding enc)); 00133 ONIG_EXTERN int onigenc_single_byte_code_to_mbc P_((OnigCodePoint code, UChar *buf, OnigEncoding enc)); 00134 ONIG_EXTERN UChar* onigenc_single_byte_left_adjust_char_head P_((const UChar* start, const UChar* s, const OnigUChar* end, OnigEncoding enc)); 00135 ONIG_EXTERN int onigenc_always_true_is_allowed_reverse_match P_((const UChar* s, const UChar* end, OnigEncoding enc)); 00136 ONIG_EXTERN int onigenc_always_false_is_allowed_reverse_match P_((const UChar* s, const UChar* end, OnigEncoding enc)); 00137 ONIG_EXTERN int onigenc_ascii_is_code_ctype P_((OnigCodePoint code, unsigned int ctype, OnigEncoding enc)); 00138 00139 /* methods for multi byte encoding */ 00140 ONIG_EXTERN OnigCodePoint onigenc_mbn_mbc_to_code P_((OnigEncoding enc, const UChar* p, const UChar* end)); 00141 ONIG_EXTERN int onigenc_mbn_mbc_case_fold P_((OnigEncoding enc, OnigCaseFoldType flag, const UChar** p, const UChar* end, UChar* lower)); 00142 ONIG_EXTERN int onigenc_mb2_code_to_mbclen P_((OnigCodePoint code, OnigEncoding enc)); 00143 ONIG_EXTERN int onigenc_mb2_code_to_mbc P_((OnigEncoding enc, OnigCodePoint code, UChar *buf)); 00144 ONIG_EXTERN int onigenc_minimum_property_name_to_ctype P_((OnigEncoding enc, UChar* p, UChar* end)); 00145 ONIG_EXTERN int onigenc_unicode_property_name_to_ctype P_((OnigEncoding enc, UChar* p, UChar* end)); 00146 ONIG_EXTERN int onigenc_mb2_is_code_ctype P_((OnigEncoding enc, OnigCodePoint code, unsigned int ctype)); 00147 ONIG_EXTERN int onigenc_mb4_code_to_mbclen P_((OnigCodePoint code, OnigEncoding enc)); 00148 ONIG_EXTERN int onigenc_mb4_code_to_mbc P_((OnigEncoding enc, OnigCodePoint code, UChar *buf)); 00149 ONIG_EXTERN int onigenc_mb4_is_code_ctype P_((OnigEncoding enc, OnigCodePoint code, unsigned int ctype)); 00150 00151 00152 /* in enc/unicode.c */ 00153 ONIG_EXTERN int onigenc_unicode_is_code_ctype P_((OnigCodePoint code, unsigned int ctype, OnigEncoding enc)); 00154 ONIG_EXTERN int onigenc_utf16_32_get_ctype_code_range P_((OnigCtype ctype, OnigCodePoint *sb_out, const OnigCodePoint* ranges[], OnigEncoding enc)); 00155 ONIG_EXTERN int onigenc_unicode_ctype_code_range P_((int ctype, const OnigCodePoint* ranges[])); 00156 ONIG_EXTERN int onigenc_unicode_get_case_fold_codes_by_str P_((OnigEncoding enc, OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[])); 00157 ONIG_EXTERN int onigenc_unicode_mbc_case_fold P_((OnigEncoding enc, OnigCaseFoldType flag, const UChar** pp, const UChar* end, UChar* fold)); 00158 ONIG_EXTERN int onigenc_unicode_apply_all_case_fold P_((OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg, OnigEncoding enc)); 00159 00160 00161 #define UTF16_IS_SURROGATE_FIRST(c) (((c) & 0xfc) == 0xd8) 00162 #define UTF16_IS_SURROGATE_SECOND(c) (((c) & 0xfc) == 0xdc) 00163 00164 #define ONIGENC_ISO_8859_1_TO_LOWER_CASE(c) \ 00165 OnigEncISO_8859_1_ToLowerCaseTable[c] 00166 #define ONIGENC_ISO_8859_1_TO_UPPER_CASE(c) \ 00167 OnigEncISO_8859_1_ToUpperCaseTable[c] 00168 00169 ONIG_EXTERN const UChar OnigEncISO_8859_1_ToLowerCaseTable[]; 00170 ONIG_EXTERN const UChar OnigEncISO_8859_1_ToUpperCaseTable[]; 00171 00172 ONIG_EXTERN int 00173 onigenc_with_ascii_strncmp P_((OnigEncoding enc, const UChar* p, const UChar* end, const UChar* sascii /* ascii */, int n)); 00174 ONIG_EXTERN int 00175 onigenc_with_ascii_strnicmp P_((OnigEncoding enc, const UChar* p, const UChar* end, const UChar* sascii /* ascii */, int n)); 00176 ONIG_EXTERN UChar* 00177 onigenc_step P_((OnigEncoding enc, const UChar* p, const UChar* end, int n)); 00178 00179 /* defined in regexec.c, but used in enc/xxx.c */ 00180 extern int onig_is_in_code_range P_((const UChar* p, OnigCodePoint code)); 00181 00182 ONIG_EXTERN OnigEncoding OnigEncDefaultCharEncoding; 00183 ONIG_EXTERN const UChar OnigEncAsciiToLowerCaseTable[]; 00184 ONIG_EXTERN const UChar OnigEncAsciiToUpperCaseTable[]; 00185 ONIG_EXTERN const unsigned short OnigEncAsciiCtypeTable[]; 00186 00187 #define ONIGENC_IS_ASCII_CODE(code) ((code) < 0x80) 00188 #define ONIGENC_ASCII_CODE_TO_LOWER_CASE(c) OnigEncAsciiToLowerCaseTable[c] 00189 #define ONIGENC_ASCII_CODE_TO_UPPER_CASE(c) OnigEncAsciiToUpperCaseTable[c] 00190 #define ONIGENC_IS_ASCII_CODE_CTYPE(code,ctype) \ 00191 ((OnigEncAsciiCtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0) 00192 #define ONIGENC_IS_ASCII_CODE_CASE_AMBIG(code) \ 00193 (ONIGENC_IS_ASCII_CODE_CTYPE(code, ONIGENC_CTYPE_UPPER) ||\ 00194 ONIGENC_IS_ASCII_CODE_CTYPE(code, ONIGENC_CTYPE_LOWER)) 00195 00196 /* Check if the code is in the range. (from <= code && code <= to) */ 00197 #define ONIGENC_IS_IN_RANGE(code, from, to) \ 00198 ((OnigCodePoint )((code) - (from)) <= (OnigCodePoint )((to) - (from))) 00199 00200 00201 #ifdef ONIG_ENC_REGISTER 00202 extern int ONIG_ENC_REGISTER(const char *, OnigEncodingType*); 00203 #define OnigEncodingName(n) encoding_##n 00204 #define OnigEncodingDeclare(n) static OnigEncodingType OnigEncodingName(n) 00205 #define OnigEncodingDefine(f,n) \ 00206 OnigEncodingDeclare(n); \ 00207 void Init_##f(void) { \ 00208 ONIG_ENC_REGISTER(OnigEncodingName(n).name, \ 00209 &OnigEncodingName(n)); \ 00210 } \ 00211 OnigEncodingDeclare(n) 00212 #else 00213 #define OnigEncodingName(n) OnigEncoding##n 00214 #define OnigEncodingDeclare(n) OnigEncodingType OnigEncodingName(n) 00215 #define OnigEncodingDefine(f,n) OnigEncodingDeclare(n) 00216 #endif 00217 00218 /* macros for define replica encoding and encoding alias */ 00219 #define ENC_REPLICATE(name, orig) 00220 #define ENC_ALIAS(name, orig) 00221 #define ENC_DUMMY(name) 00222 00223 #if defined __GNUC__ && __GNUC__ >= 4 00224 #pragma GCC visibility pop 00225 #endif 00226 00227 #endif /* ONIGURUMA_REGENC_H */ 00228