Ruby 1.9.3p327(2012-11-10revision37606)
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00001 /********************************************************************** 00002 iso8859_10.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_10_TO_LOWER_CASE(c) EncISO_8859_10_ToLowerCaseTable[c] 00033 #define ENC_IS_ISO_8859_10_CTYPE(code,ctype) \ 00034 ((EncISO_8859_10_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0) 00035 00036 static const UChar EncISO_8859_10_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', '\261', '\262', '\263', '\264', '\265', '\266', '\247', 00058 '\270', '\271', '\272', '\273', '\274', '\255', '\276', '\277', 00059 '\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267', 00060 '\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277', 00061 '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347', 00062 '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357', 00063 '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367', 00064 '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\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_10_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, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x00a0, 00093 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x01a0, 0x34a2, 0x34a2, 00094 0x00a0, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x01a0, 00095 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x01a0, 0x30e2, 0x30e2, 00096 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 00097 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 00098 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 00099 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 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, 0x30e2 00104 }; 00105 00106 static int 00107 mbc_case_fold(OnigCaseFoldType flag, 00108 const UChar** pp, const UChar* end ARG_UNUSED, 00109 UChar* lower, OnigEncoding enc ARG_UNUSED) 00110 { 00111 const UChar* p = *pp; 00112 00113 if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) { 00114 *lower++ = 's'; 00115 *lower = 's'; 00116 (*pp)++; 00117 return 2; 00118 } 00119 00120 *lower = ENC_ISO_8859_10_TO_LOWER_CASE(*p); 00121 (*pp)++; 00122 return 1; 00123 } 00124 00125 #if 0 00126 static int 00127 is_mbc_ambiguous(OnigCaseFoldType flag, const UChar** pp, const UChar* end) 00128 { 00129 int v; 00130 const UChar* p = *pp; 00131 00132 if (*p == 0xdf && (flag & INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR) != 0) { 00133 (*pp)++; 00134 return TRUE; 00135 } 00136 00137 (*pp)++; 00138 v = (EncISO_8859_10_CtypeTable[*p] & (BIT_CTYPE_UPPER | BIT_CTYPE_LOWER)); 00139 if ((v | BIT_CTYPE_LOWER) != 0) { 00140 return TRUE; 00141 } 00142 00143 return (v != 0 ? TRUE : FALSE); 00144 } 00145 #endif 00146 00147 static int 00148 is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc ARG_UNUSED) 00149 { 00150 if (code < 256) 00151 return ENC_IS_ISO_8859_10_CTYPE(code, ctype); 00152 else 00153 return FALSE; 00154 } 00155 00156 static const OnigPairCaseFoldCodes CaseFoldMap[] = { 00157 { 0xa1, 0xb1 }, 00158 { 0xa2, 0xb2 }, 00159 { 0xa3, 0xb3 }, 00160 { 0xa4, 0xb4 }, 00161 { 0xa5, 0xb5 }, 00162 { 0xa6, 0xb6 }, 00163 { 0xa8, 0xb8 }, 00164 { 0xa9, 0xb9 }, 00165 { 0xaa, 0xba }, 00166 { 0xab, 0xbb }, 00167 { 0xac, 0xbc }, 00168 { 0xae, 0xbe }, 00169 { 0xaf, 0xbf }, 00170 00171 { 0xc0, 0xe0 }, 00172 { 0xc1, 0xe1 }, 00173 { 0xc2, 0xe2 }, 00174 { 0xc3, 0xe3 }, 00175 { 0xc4, 0xe4 }, 00176 { 0xc5, 0xe5 }, 00177 { 0xc6, 0xe6 }, 00178 { 0xc7, 0xe7 }, 00179 { 0xc8, 0xe8 }, 00180 { 0xc9, 0xe9 }, 00181 { 0xca, 0xea }, 00182 { 0xcb, 0xeb }, 00183 { 0xcc, 0xec }, 00184 { 0xcd, 0xed }, 00185 { 0xce, 0xee }, 00186 { 0xcf, 0xef }, 00187 00188 { 0xd0, 0xf0 }, 00189 { 0xd1, 0xf1 }, 00190 { 0xd2, 0xf2 }, 00191 { 0xd3, 0xf3 }, 00192 { 0xd4, 0xf4 }, 00193 { 0xd5, 0xf5 }, 00194 { 0xd6, 0xf6 }, 00195 { 0xd7, 0xf7 }, 00196 { 0xd8, 0xf8 }, 00197 { 0xd9, 0xf9 }, 00198 { 0xda, 0xfa }, 00199 { 0xdb, 0xfb }, 00200 { 0xdc, 0xfc }, 00201 { 0xdd, 0xfd }, 00202 { 0xde, 0xfe } 00203 }; 00204 00205 static int 00206 apply_all_case_fold(OnigCaseFoldType flag, 00207 OnigApplyAllCaseFoldFunc f, void* arg, 00208 OnigEncoding enc ARG_UNUSED) 00209 { 00210 return onigenc_apply_all_case_fold_with_map( 00211 sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 1, 00212 flag, f, arg); 00213 } 00214 00215 static int 00216 get_case_fold_codes_by_str(OnigCaseFoldType flag, 00217 const OnigUChar* p, const OnigUChar* end, 00218 OnigCaseFoldCodeItem items[], 00219 OnigEncoding enc ARG_UNUSED) 00220 { 00221 return onigenc_get_case_fold_codes_by_str_with_map( 00222 sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 1, 00223 flag, p, end, items); 00224 } 00225 00226 OnigEncodingDefine(iso_8859_10, ISO_8859_10) = { 00227 onigenc_single_byte_mbc_enc_len, 00228 "ISO-8859-10", /* name */ 00229 1, /* max enc length */ 00230 1, /* min enc length */ 00231 onigenc_is_mbc_newline_0x0a, 00232 onigenc_single_byte_mbc_to_code, 00233 onigenc_single_byte_code_to_mbclen, 00234 onigenc_single_byte_code_to_mbc, 00235 mbc_case_fold, 00236 apply_all_case_fold, 00237 get_case_fold_codes_by_str, 00238 onigenc_minimum_property_name_to_ctype, 00239 is_code_ctype, 00240 onigenc_not_support_get_ctype_code_range, 00241 onigenc_single_byte_left_adjust_char_head, 00242 onigenc_always_true_is_allowed_reverse_match 00243 }; 00244 ENC_ALIAS("ISO8859-10", "ISO-8859-10") 00245