Ruby 1.9.3p327(2012-11-10revision37606)
|
00001 /********************************************************************** 00002 iso8859_7.c - Oniguruma (regular expression library) 00003 **********************************************************************/ 00004 /*- 00005 * Copyright (c) 2002-2007 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_ISO_8859_7_TO_LOWER_CASE(c) EncISO_8859_7_ToLowerCaseTable[c] 00033 #define ENC_IS_ISO_8859_7_CTYPE(code,ctype) \ 00034 ((EncISO_8859_7_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0) 00035 00036 static const UChar EncISO_8859_7_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', '\263', '\264', '\265', '\334', '\267', 00060 '\335', '\336', '\337', '\273', '\374', '\275', '\375', '\376', 00061 '\300', '\341', '\342', '\343', '\344', '\345', '\346', '\347', 00062 '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357', 00063 '\360', '\361', '\322', '\363', '\364', '\365', '\366', '\367', 00064 '\370', '\371', '\372', '\373', '\334', '\335', '\336', '\337', 00065 '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347', 00066 '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357', 00067 '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367', 00068 '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377' 00069 }; 00070 00071 static const unsigned short EncISO_8859_7_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 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 00089 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 00090 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 00091 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 00092 0x0284, 0x01a0, 0x01a0, 0x00a0, 0x0000, 0x0000, 0x00a0, 0x00a0, 00093 0x00a0, 0x00a0, 0x0000, 0x01a0, 0x00a0, 0x01a0, 0x0000, 0x01a0, 00094 0x00a0, 0x00a0, 0x10a0, 0x10a0, 0x00a0, 0x00a0, 0x34a2, 0x01a0, 00095 0x34a2, 0x34a2, 0x34a2, 0x01a0, 0x34a2, 0x10a0, 0x34a2, 0x34a2, 00096 0x30e2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 00097 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 00098 0x34a2, 0x34a2, 0x0000, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 00099 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 00100 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 00101 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 00102 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 00103 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x0000 00104 }; 00105 00106 static int 00107 mbc_case_fold(OnigCaseFoldType flag, 00108 const UChar** pp, const UChar* end ARG_UNUSED, UChar* lower, 00109 OnigEncoding enc ARG_UNUSED) 00110 { 00111 const UChar* p = *pp; 00112 00113 *lower = ENC_ISO_8859_7_TO_LOWER_CASE(*p); 00114 (*pp)++; 00115 return 1; 00116 } 00117 00118 #if 0 00119 static int 00120 is_mbc_ambiguous(OnigCaseFoldType flag, 00121 const UChar** pp, const UChar* end) 00122 { 00123 int v; 00124 const UChar* p = *pp; 00125 00126 (*pp)++; 00127 v = (EncISO_8859_7_CtypeTable[*p] & (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER)); 00128 if ((v | BIT_CTYPE_LOWER) != 0) { 00129 if (*p == 0xc0 || *p == 0xe0) 00130 return FALSE; 00131 else 00132 return TRUE; 00133 } 00134 00135 return (v != 0 ? TRUE : FALSE); 00136 } 00137 #endif 00138 00139 static int 00140 is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc ARG_UNUSED) 00141 { 00142 if (code < 256) 00143 return ENC_IS_ISO_8859_7_CTYPE(code, ctype); 00144 else 00145 return FALSE; 00146 } 00147 00148 static const OnigPairCaseFoldCodes CaseFoldMap[] = { 00149 { 0xb6, 0xdc }, 00150 { 0xb8, 0xdd }, 00151 { 0xb9, 0xde }, 00152 { 0xba, 0xdf }, 00153 { 0xbc, 0xfc }, 00154 { 0xbe, 0xfd }, 00155 { 0xbf, 0xfe }, 00156 00157 { 0xc1, 0xe1 }, 00158 { 0xc2, 0xe2 }, 00159 { 0xc3, 0xe3 }, 00160 { 0xc4, 0xe4 }, 00161 { 0xc5, 0xe5 }, 00162 { 0xc6, 0xe6 }, 00163 { 0xc7, 0xe7 }, 00164 { 0xc8, 0xe8 }, 00165 { 0xc9, 0xe9 }, 00166 { 0xca, 0xea }, 00167 { 0xcb, 0xeb }, 00168 { 0xcc, 0xec }, 00169 { 0xcd, 0xed }, 00170 { 0xce, 0xee }, 00171 { 0xcf, 0xef }, 00172 00173 { 0xd0, 0xf0 }, 00174 { 0xd1, 0xf1 }, 00175 { 0xd2, 0xf2 }, 00176 { 0xd3, 0xf3 }, 00177 { 0xd4, 0xf4 }, 00178 { 0xd5, 0xf5 }, 00179 { 0xd6, 0xf6 }, 00180 { 0xd7, 0xf7 }, 00181 { 0xd8, 0xf8 }, 00182 { 0xd9, 0xf9 }, 00183 { 0xda, 0xfa }, 00184 { 0xdb, 0xfb } 00185 }; 00186 00187 static int 00188 apply_all_case_fold(OnigCaseFoldType flag, 00189 OnigApplyAllCaseFoldFunc f, void* arg, 00190 OnigEncoding enc ARG_UNUSED) 00191 { 00192 return onigenc_apply_all_case_fold_with_map( 00193 sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0, 00194 flag, f, arg); 00195 } 00196 00197 static int 00198 get_case_fold_codes_by_str(OnigCaseFoldType flag, 00199 const OnigUChar* p, const OnigUChar* end, 00200 OnigCaseFoldCodeItem items[], 00201 OnigEncoding enc ARG_UNUSED) 00202 { 00203 return onigenc_get_case_fold_codes_by_str_with_map( 00204 sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0, 00205 flag, p, end, items); 00206 } 00207 00208 00209 OnigEncodingDefine(iso_8859_7, ISO_8859_7) = { 00210 onigenc_single_byte_mbc_enc_len, 00211 "ISO-8859-7", /* name */ 00212 1, /* max enc length */ 00213 1, /* min enc length */ 00214 onigenc_is_mbc_newline_0x0a, 00215 onigenc_single_byte_mbc_to_code, 00216 onigenc_single_byte_code_to_mbclen, 00217 onigenc_single_byte_code_to_mbc, 00218 mbc_case_fold, 00219 apply_all_case_fold, 00220 get_case_fold_codes_by_str, 00221 onigenc_minimum_property_name_to_ctype, 00222 is_code_ctype, 00223 onigenc_not_support_get_ctype_code_range, 00224 onigenc_single_byte_left_adjust_char_head, 00225 onigenc_always_true_is_allowed_reverse_match 00226 }; 00227 ENC_ALIAS("ISO8859-7", "ISO-8859-7") 00228 00229 /* 00230 * Name: windows-1253 00231 * MIBenum: 2253 00232 * Link: http://www.iana.org/assignments/character-sets 00233 * Link: http://www.microsoft.com/globaldev/reference/sbcs/1253.mspx 00234 * Link: http://en.wikipedia.org/wiki/Windows-1253 00235 */ 00236 ENC_REPLICATE("Windows-1253", "ISO-8859-7") 00237 ENC_ALIAS("CP1253", "Windows-1253") 00238