Ruby 1.9.3p327(2012-11-10revision37606)
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00001 /********************************************************************** 00002 koi8_u.c - Oniguruma (regular expression library) 00003 **********************************************************************/ 00004 /*- 00005 * Copyright (c) 2002-2008 K.Kosako <sndgk393 AT ybb DOT ne DOT jp> 00006 * All rights reserved. 00007 * 00008 * Redistribution and use in source and binary forms, with or without 00009 * modification, are permitted provided that the following conditions 00010 * are met: 00011 * 1. Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * 2. Redistributions in binary form must reproduce the above copyright 00014 * notice, this list of conditions and the following disclaimer in the 00015 * documentation and/or other materials provided with the distribution. 00016 * 00017 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 00018 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00019 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 00020 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 00021 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00022 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 00023 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 00024 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00025 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 00026 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 00027 * SUCH DAMAGE. 00028 */ 00029 00030 #include "regenc.h" 00031 00032 #define ENC_KOI8_U_TO_LOWER_CASE(c) EncKOI8_U_ToLowerCaseTable[c] 00033 #define ENC_IS_KOI8_U_CTYPE(code,ctype) \ 00034 ((EncKOI8_U_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0) 00035 00036 static const UChar EncKOI8_U_ToLowerCaseTable[256] = { 00037 '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007', 00038 '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017', 00039 '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027', 00040 '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037', 00041 '\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047', 00042 '\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057', 00043 '\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067', 00044 '\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077', 00045 '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147', 00046 '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157', 00047 '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167', 00048 '\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137', 00049 '\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147', 00050 '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157', 00051 '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167', 00052 '\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177', 00053 '\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207', 00054 '\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217', 00055 '\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227', 00056 '\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237', 00057 '\240', '\241', '\242', '\243', '\244', '\245', '\246', '\247', 00058 '\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257', 00059 '\260', '\261', '\262', '\243', '\244', '\265', '\246', '\247', 00060 '\270', '\271', '\272', '\273', '\274', '\255', '\276', '\277', 00061 '\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307', 00062 '\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317', 00063 '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327', 00064 '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337', 00065 '\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307', 00066 '\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317', 00067 '\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327', 00068 '\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337' 00069 }; 00070 00071 static const unsigned short EncKOI8_U_CtypeTable[256] = { 00072 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 00073 0x4008, 0x420c, 0x4209, 0x4208, 0x4208, 0x4208, 0x4008, 0x4008, 00074 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 00075 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 00076 0x4284, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 00077 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 00078 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 00079 0x78b0, 0x78b0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 00080 0x41a0, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x74a2, 00081 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 00082 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 00083 0x74a2, 0x74a2, 0x74a2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x51a0, 00084 0x41a0, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x70e2, 00085 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 00086 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 00087 0x70e2, 0x70e2, 0x70e2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x4008, 00088 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 00089 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 00090 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 00091 0x00a0, 0x00a0, 0x0284, 0x00a0, 0x00a0, 0x10a0, 0x01a0, 0x00a0, 00092 0x00a0, 0x00a0, 0x00a0, 0x30e2, 0x30e2, 0x00a0, 0x30e2, 0x30e2, 00093 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x30e2, 0x00a0, 0x00a0, 00094 0x00a0, 0x00a0, 0x00a0, 0x34a2, 0x34a2, 0x00a0, 0x34a2, 0x34a2, 00095 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x34a2, 0x00a0, 0x00a0, 00096 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 00097 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 00098 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 00099 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 00100 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 00101 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 00102 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 00103 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2 00104 }; 00105 00106 static int 00107 koi8_u_mbc_case_fold(OnigCaseFoldType flag ARG_UNUSED, 00108 const UChar** pp, const UChar* end ARG_UNUSED, 00109 UChar* lower, OnigEncoding enc ARG_UNUSED) 00110 { 00111 const UChar* p = *pp; 00112 00113 *lower = ENC_KOI8_U_TO_LOWER_CASE(*p); 00114 (*pp)++; 00115 return 1; 00116 } 00117 00118 #if 0 00119 static int 00120 koi8_u_is_mbc_ambiguous(OnigCaseFoldType flag, const UChar** pp, 00121 const UChar* end, OnigEncoding enc ARG_UNUSED) 00122 { 00123 int v; 00124 const UChar* p = *pp; 00125 00126 (*pp)++; 00127 v = (EncKOI8_U_CtypeTable[*p] & (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER)); 00128 return (v != 0 ? TRUE : FALSE); 00129 } 00130 #endif 00131 00132 static int 00133 koi8_u_is_code_ctype(OnigCodePoint code, unsigned int ctype, 00134 OnigEncoding enc ARG_UNUSED) 00135 { 00136 if (code < 256) 00137 return ENC_IS_KOI8_U_CTYPE(code, ctype); 00138 else 00139 return FALSE; 00140 } 00141 00142 static const OnigPairCaseFoldCodes CaseFoldMap[] = { 00143 { 0xa3, 0xb3 }, 00144 { 0xa4, 0xb4 }, 00145 { 0xa6, 0xb6 }, 00146 { 0xa7, 0xb7 }, 00147 { 0xad, 0xbd }, 00148 00149 { 0xc0, 0xe0 }, 00150 { 0xc1, 0xe1 }, 00151 { 0xc2, 0xe2 }, 00152 { 0xc3, 0xe3 }, 00153 { 0xc4, 0xe4 }, 00154 { 0xc5, 0xe5 }, 00155 { 0xc6, 0xe6 }, 00156 { 0xc7, 0xe7 }, 00157 { 0xc8, 0xe8 }, 00158 { 0xc9, 0xe9 }, 00159 { 0xca, 0xea }, 00160 { 0xcb, 0xeb }, 00161 { 0xcc, 0xec }, 00162 { 0xcd, 0xed }, 00163 { 0xce, 0xee }, 00164 { 0xcf, 0xef }, 00165 00166 { 0xd0, 0xf0 }, 00167 { 0xd1, 0xf1 }, 00168 { 0xd2, 0xf2 }, 00169 { 0xd3, 0xf3 }, 00170 { 0xd4, 0xf4 }, 00171 { 0xd5, 0xf5 }, 00172 { 0xd6, 0xf6 }, 00173 { 0xd7, 0xf7 }, 00174 { 0xd8, 0xf8 }, 00175 { 0xd9, 0xf9 }, 00176 { 0xda, 0xfa }, 00177 { 0xdb, 0xfb }, 00178 { 0xdc, 0xfc }, 00179 { 0xdd, 0xfd }, 00180 { 0xde, 0xfe }, 00181 { 0xdf, 0xff } 00182 }; 00183 00184 static int 00185 koi8_u_apply_all_case_fold(OnigCaseFoldType flag, 00186 OnigApplyAllCaseFoldFunc f, 00187 void* arg, OnigEncoding enc ARG_UNUSED) 00188 { 00189 return onigenc_apply_all_case_fold_with_map( 00190 sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0, 00191 flag, f, arg); 00192 } 00193 00194 static int 00195 koi8_u_get_case_fold_codes_by_str(OnigCaseFoldType flag, 00196 const OnigUChar* p, const OnigUChar* end, 00197 OnigCaseFoldCodeItem items[], OnigEncoding enc ARG_UNUSED) 00198 { 00199 return onigenc_get_case_fold_codes_by_str_with_map( 00200 sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0, 00201 flag, p, end, items); 00202 } 00203 00204 OnigEncodingDefine(koi8_u, KOI8_U) = { 00205 onigenc_single_byte_mbc_enc_len, 00206 "KOI8-U", /* name */ 00207 1, /* max enc length */ 00208 1, /* min enc length */ 00209 onigenc_is_mbc_newline_0x0a, 00210 onigenc_single_byte_mbc_to_code, 00211 onigenc_single_byte_code_to_mbclen, 00212 onigenc_single_byte_code_to_mbc, 00213 koi8_u_mbc_case_fold, 00214 koi8_u_apply_all_case_fold, 00215 koi8_u_get_case_fold_codes_by_str, 00216 onigenc_minimum_property_name_to_ctype, 00217 koi8_u_is_code_ctype, 00218 onigenc_not_support_get_ctype_code_range, 00219 onigenc_single_byte_left_adjust_char_head, 00220 onigenc_always_true_is_allowed_reverse_match 00221 }; 00222