1 | #ifndef ONIGMO_REGENC_H
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2 | #define ONIGMO_REGENC_H
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3 | /**********************************************************************
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4 | regenc.h - Onigmo (Oniguruma-mod) (regular expression library)
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5 | **********************************************************************/
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6 | /*-
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7 | * Copyright (c) 2002-2008 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
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8 | * Copyright (c) 2011-2016 K.Takata <kentkt AT csc DOT jp>
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9 | * All rights reserved.
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10 | *
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11 | * Redistribution and use in source and binary forms, with or without
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12 | * modification, are permitted provided that the following conditions
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13 | * are met:
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14 | * 1. Redistributions of source code must retain the above copyright
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15 | * notice, this list of conditions and the following disclaimer.
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16 | * 2. Redistributions in binary form must reproduce the above copyright
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17 | * notice, this list of conditions and the following disclaimer in the
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18 | * documentation and/or other materials provided with the distribution.
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19 | *
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20 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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30 | * SUCH DAMAGE.
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31 | */
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32 |
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33 | #if !defined(RUBY) && (defined(RUBY_EXPORT) || defined(ONIG_ENC_REGISTER))
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34 | # define RUBY
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35 | #endif
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36 | #ifdef RUBY
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37 | # ifndef ONIGMO_REGINT_H
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38 | # ifndef RUBY_EXTERN
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39 | # include "ruby/config.h"
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40 | # include "ruby/defines.h"
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41 | # endif
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42 | # endif
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43 | #else /* RUBY */
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44 | # ifndef PACKAGE
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45 | /* PACKAGE is defined in config.h */
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46 | # include "config.h"
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47 | # endif
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48 | #endif /* RUBY */
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49 |
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50 | #ifdef ONIG_ESCAPE_UCHAR_COLLISION
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51 | # undef ONIG_ESCAPE_UCHAR_COLLISION
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52 | #endif
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53 |
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54 | #ifdef RUBY
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55 | # include "ruby/onigmo.h"
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56 | #else
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57 | # include "onigmo.h"
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58 | #endif
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59 |
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60 | RUBY_SYMBOL_EXPORT_BEGIN
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61 |
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62 | typedef struct {
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63 | OnigCodePoint from;
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64 | OnigCodePoint to;
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65 | } OnigPairCaseFoldCodes;
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66 |
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67 |
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68 | #ifndef NULL
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69 | # define NULL ((void* )0)
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70 | #endif
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71 |
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72 | #ifndef TRUE
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73 | # define TRUE 1
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74 | #endif
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75 |
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76 | #ifndef FALSE
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77 | # define FALSE 0
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78 | #endif
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79 |
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80 | #ifndef ARG_UNUSED
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81 | # if defined(__GNUC__)
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82 | # define ARG_UNUSED __attribute__ ((unused))
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83 | # else
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84 | # define ARG_UNUSED
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85 | # endif
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86 | #endif
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87 |
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88 | #define ONIG_IS_NULL(p) (((void*)(p)) == (void*)0)
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89 | #define ONIG_IS_NOT_NULL(p) (((void*)(p)) != (void*)0)
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90 | #define ONIG_CHECK_NULL_RETURN(p) if (ONIG_IS_NULL(p)) return NULL
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91 | #define ONIG_CHECK_NULL_RETURN_VAL(p,val) if (ONIG_IS_NULL(p)) return (val)
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92 |
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93 | #define enclen(enc,p,e) ((enc->max_enc_len == enc->min_enc_len) ? enc->min_enc_len : ONIGENC_MBC_ENC_LEN(enc,p,e))
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94 |
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95 | /* character types bit flag */
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96 | #define BIT_CTYPE_NEWLINE (1<< ONIGENC_CTYPE_NEWLINE)
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97 | #define BIT_CTYPE_ALPHA (1<< ONIGENC_CTYPE_ALPHA)
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98 | #define BIT_CTYPE_BLANK (1<< ONIGENC_CTYPE_BLANK)
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99 | #define BIT_CTYPE_CNTRL (1<< ONIGENC_CTYPE_CNTRL)
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100 | #define BIT_CTYPE_DIGIT (1<< ONIGENC_CTYPE_DIGIT)
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101 | #define BIT_CTYPE_GRAPH (1<< ONIGENC_CTYPE_GRAPH)
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102 | #define BIT_CTYPE_LOWER (1<< ONIGENC_CTYPE_LOWER)
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103 | #define BIT_CTYPE_PRINT (1<< ONIGENC_CTYPE_PRINT)
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104 | #define BIT_CTYPE_PUNCT (1<< ONIGENC_CTYPE_PUNCT)
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105 | #define BIT_CTYPE_SPACE (1<< ONIGENC_CTYPE_SPACE)
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106 | #define BIT_CTYPE_UPPER (1<< ONIGENC_CTYPE_UPPER)
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107 | #define BIT_CTYPE_XDIGIT (1<< ONIGENC_CTYPE_XDIGIT)
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108 | #define BIT_CTYPE_WORD (1<< ONIGENC_CTYPE_WORD)
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109 | #define BIT_CTYPE_ALNUM (1<< ONIGENC_CTYPE_ALNUM)
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110 | #define BIT_CTYPE_ASCII (1<< ONIGENC_CTYPE_ASCII)
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111 |
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112 | #define CTYPE_TO_BIT(ctype) (1<<(ctype))
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113 | #define CTYPE_IS_WORD_GRAPH_PRINT(ctype) \
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114 | ((ctype) == ONIGENC_CTYPE_WORD || (ctype) == ONIGENC_CTYPE_GRAPH ||\
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115 | (ctype) == ONIGENC_CTYPE_PRINT)
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116 |
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117 |
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118 | typedef struct {
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119 | short int len;
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120 | const UChar name[6];
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121 | int ctype;
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122 | } PosixBracketEntryType;
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123 |
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124 | #define POSIX_BRACKET_ENTRY_INIT(name, ctype) \
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125 | {(short int )(sizeof(name) - 1), (name), (ctype)}
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126 |
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127 | #ifndef numberof
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128 | # define numberof(array) (int )(sizeof(array) / sizeof((array)[0]))
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129 | #endif
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130 |
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131 |
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132 | #define USE_CRNL_AS_LINE_TERMINATOR
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133 | #define USE_UNICODE_PROPERTIES
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134 | #define USE_UNICODE_AGE_PROPERTIES
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135 | /* #define USE_UNICODE_CASE_FOLD_TURKISH_AZERI */
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136 | /* #define USE_UNICODE_ALL_LINE_TERMINATORS */ /* see Unicode.org UTS #18 */
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137 |
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138 |
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139 | #define ONIG_ENCODING_INIT_DEFAULT ONIG_ENCODING_ASCII
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140 |
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141 | /* for encoding system implementation (internal) */
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142 | ONIG_EXTERN int onigenc_ascii_apply_all_case_fold(OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg, OnigEncoding enc);
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143 | ONIG_EXTERN int onigenc_ascii_get_case_fold_codes_by_str(OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[], OnigEncoding enc);
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144 | ONIG_EXTERN int onigenc_apply_all_case_fold_with_map(int map_size, const OnigPairCaseFoldCodes map[], int ess_tsett_flag, OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg);
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145 | ONIG_EXTERN int onigenc_get_case_fold_codes_by_str_with_map(int map_size, const OnigPairCaseFoldCodes map[], int ess_tsett_flag, OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[]);
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146 | ONIG_EXTERN int onigenc_not_support_get_ctype_code_range(OnigCtype ctype, OnigCodePoint* sb_out, const OnigCodePoint* ranges[], OnigEncoding enc);
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147 | ONIG_EXTERN int onigenc_is_mbc_newline_0x0a(const UChar* p, const UChar* end, OnigEncoding enc);
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148 | ONIG_EXTERN int onigenc_single_byte_ascii_only_case_map(OnigCaseFoldType* flagP, const OnigUChar** pp, const OnigUChar* end, OnigUChar* to, OnigUChar* to_end, const struct OnigEncodingTypeST* enc);
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149 |
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150 |
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151 | /* methods for single byte encoding */
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152 | ONIG_EXTERN int onigenc_ascii_mbc_case_fold(OnigCaseFoldType flag, const UChar** p, const UChar* end, UChar* lower, OnigEncoding enc);
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153 | ONIG_EXTERN int onigenc_single_byte_mbc_enc_len(const UChar* p, const UChar* e, OnigEncoding enc);
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154 | ONIG_EXTERN OnigCodePoint onigenc_single_byte_mbc_to_code(const UChar* p, const UChar* end, OnigEncoding enc);
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155 | ONIG_EXTERN int onigenc_single_byte_code_to_mbclen(OnigCodePoint code, OnigEncoding enc);
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156 | ONIG_EXTERN int onigenc_single_byte_code_to_mbc(OnigCodePoint code, UChar *buf, OnigEncoding enc);
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157 | ONIG_EXTERN UChar* onigenc_single_byte_left_adjust_char_head(const UChar* start, const UChar* s, const OnigUChar* end, OnigEncoding enc);
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158 | ONIG_EXTERN int onigenc_always_true_is_allowed_reverse_match(const UChar* s, const UChar* end, OnigEncoding enc);
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159 | ONIG_EXTERN int onigenc_always_false_is_allowed_reverse_match(const UChar* s, const UChar* end, OnigEncoding enc);
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160 | ONIG_EXTERN int onigenc_ascii_is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc);
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161 |
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162 | /* methods for multi byte encoding */
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163 | ONIG_EXTERN OnigCodePoint onigenc_mbn_mbc_to_code(OnigEncoding enc, const UChar* p, const UChar* end);
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164 | ONIG_EXTERN int onigenc_mbn_mbc_case_fold(OnigEncoding enc, OnigCaseFoldType flag, const UChar** p, const UChar* end, UChar* lower);
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165 | ONIG_EXTERN int onigenc_mb2_code_to_mbclen(OnigCodePoint code, OnigEncoding enc);
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166 | ONIG_EXTERN int onigenc_mb2_code_to_mbc(OnigEncoding enc, OnigCodePoint code, UChar *buf);
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167 | ONIG_EXTERN int onigenc_minimum_property_name_to_ctype(OnigEncoding enc, const UChar* p, const UChar* end);
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168 | ONIG_EXTERN int onigenc_unicode_property_name_to_ctype(OnigEncoding enc, const UChar* p, const UChar* end);
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169 | ONIG_EXTERN int onigenc_mb2_is_code_ctype(OnigEncoding enc, OnigCodePoint code, unsigned int ctype);
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170 | ONIG_EXTERN int onigenc_mb4_code_to_mbclen(OnigCodePoint code, OnigEncoding enc);
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171 | ONIG_EXTERN int onigenc_mb4_code_to_mbc(OnigEncoding enc, OnigCodePoint code, UChar *buf);
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172 | ONIG_EXTERN int onigenc_mb4_is_code_ctype(OnigEncoding enc, OnigCodePoint code, unsigned int ctype);
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173 |
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174 | ONIG_EXTERN int onigenc_unicode_case_map(OnigCaseFoldType* flagP, const OnigUChar** pp, const OnigUChar* end, OnigUChar* to, OnigUChar* to_end, const struct OnigEncodingTypeST* enc);
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175 |
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176 |
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177 | /* in enc/unicode.c */
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178 | ONIG_EXTERN int onigenc_unicode_is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc);
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179 | ONIG_EXTERN int onigenc_utf16_32_get_ctype_code_range(OnigCtype ctype, OnigCodePoint *sb_out, const OnigCodePoint* ranges[], OnigEncoding enc);
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180 | ONIG_EXTERN int onigenc_unicode_ctype_code_range(int ctype, const OnigCodePoint* ranges[]);
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181 | ONIG_EXTERN int onigenc_unicode_get_case_fold_codes_by_str(OnigEncoding enc, OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[]);
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182 | ONIG_EXTERN int onigenc_unicode_mbc_case_fold(OnigEncoding enc, OnigCaseFoldType flag, const UChar** pp, const UChar* end, UChar* fold);
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183 | ONIG_EXTERN int onigenc_unicode_apply_all_case_fold(OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg, OnigEncoding enc);
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184 |
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185 |
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186 | #define UTF16_IS_SURROGATE_FIRST(c) (((c) & 0xfc) == 0xd8)
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187 | #define UTF16_IS_SURROGATE_SECOND(c) (((c) & 0xfc) == 0xdc)
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188 | #define UTF16_IS_SURROGATE(c) (((c) & 0xf8) == 0xd8)
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189 | #define UNICODE_VALID_CODEPOINT_P(c) ( \
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190 | ((c) <= 0x10ffff) && \
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191 | !((c) < 0x10000 && UTF16_IS_SURROGATE((c) >> 8)))
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192 |
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193 | #define ONIGENC_ISO_8859_1_TO_LOWER_CASE(c) \
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194 | OnigEncISO_8859_1_ToLowerCaseTable[c]
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195 | #define ONIGENC_ISO_8859_1_TO_UPPER_CASE(c) \
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196 | OnigEncISO_8859_1_ToUpperCaseTable[c]
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197 |
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198 | ONIG_EXTERN const UChar OnigEncISO_8859_1_ToLowerCaseTable[];
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199 | ONIG_EXTERN const UChar OnigEncISO_8859_1_ToUpperCaseTable[];
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200 |
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201 | ONIG_EXTERN int
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202 | onigenc_with_ascii_strncmp(OnigEncoding enc, const UChar* p, const UChar* end, const UChar* sascii /* ascii */, int n);
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203 | ONIG_EXTERN int
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204 | onigenc_with_ascii_strnicmp(OnigEncoding enc, const UChar* p, const UChar* end, const UChar* sascii /* ascii */, int n);
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205 | ONIG_EXTERN UChar*
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206 | onigenc_step(OnigEncoding enc, const UChar* p, const UChar* end, int n);
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207 |
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208 | /* defined in regexec.c, but used in enc/xxx.c */
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209 | extern int onig_is_in_code_range(const UChar* p, OnigCodePoint code);
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210 |
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211 | ONIG_EXTERN OnigEncoding OnigEncDefaultCharEncoding;
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212 | ONIG_EXTERN const UChar OnigEncAsciiToLowerCaseTable[];
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213 | ONIG_EXTERN const UChar OnigEncAsciiToUpperCaseTable[];
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214 | ONIG_EXTERN const unsigned short OnigEncAsciiCtypeTable[];
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215 |
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216 | #define ONIGENC_IS_ASCII_CODE(code) ((code) < 0x80)
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217 | #define ONIGENC_ASCII_CODE_TO_LOWER_CASE(c) OnigEncAsciiToLowerCaseTable[c]
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218 | #define ONIGENC_ASCII_CODE_TO_UPPER_CASE(c) OnigEncAsciiToUpperCaseTable[c]
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219 | #define ONIGENC_IS_ASCII_CODE_CTYPE(code,ctype) \
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220 | ((OnigEncAsciiCtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
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221 | #define ONIGENC_IS_ASCII_CODE_CASE_AMBIG(code) \
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222 | (ONIGENC_IS_ASCII_CODE_CTYPE(code, ONIGENC_CTYPE_UPPER) ||\
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223 | ONIGENC_IS_ASCII_CODE_CTYPE(code, ONIGENC_CTYPE_LOWER))
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224 |
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225 | /* Check if the code is in the range. (from <= code && code <= to) */
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226 | #define ONIGENC_IS_IN_RANGE(code, from, to) \
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227 | ((OnigCodePoint )((code) - (from)) <= (OnigCodePoint )((to) - (from)))
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228 |
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229 |
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230 | #ifdef ONIG_ENC_REGISTER
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231 | extern int ONIG_ENC_REGISTER(const char *, OnigEncoding);
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232 | # define OnigEncodingName(n) encoding_##n
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233 | # define OnigEncodingDeclare(n) static const OnigEncodingType OnigEncodingName(n)
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234 | # define OnigEncodingDefine(f,n) \
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235 | OnigEncodingDeclare(n); \
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236 | void Init_##f(void) { \
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237 | ONIG_ENC_REGISTER(OnigEncodingName(n).name, \
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238 | &OnigEncodingName(n)); \
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239 | } \
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240 | OnigEncodingDeclare(n)
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241 | #else
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242 | # define OnigEncodingName(n) OnigEncoding##n
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243 | # define OnigEncodingDeclare(n) const OnigEncodingType OnigEncodingName(n)
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244 | # define OnigEncodingDefine(f,n) OnigEncodingDeclare(n)
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245 | #endif
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246 |
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247 | /* macros for define replica encoding and encoding alias */
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248 | #define ENC_REPLICATE(name, orig)
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249 | #define ENC_ALIAS(name, orig)
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250 | #define ENC_DUMMY(name)
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251 |
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252 | RUBY_SYMBOL_EXPORT_END
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253 |
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254 | #endif /* ONIGMO_REGENC_H */
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