diff options
Diffstat (limited to 'enc/windows_1251.c')
| -rw-r--r-- | enc/windows_1251.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/enc/windows_1251.c b/enc/windows_1251.c new file mode 100644 index 0000000000..173fb66c6f --- /dev/null +++ b/enc/windows_1251.c @@ -0,0 +1,201 @@ +/********************************************************************** + cp1251.c - Oniguruma (regular expression library) +**********************************************************************/ +/*- + * Copyright (c) 2006-2007 Byte <byte AT mail DOT kna DOT ru> + * K.Kosako <sndgk393 AT ybb DOT ne DOT jp> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include "regenc.h" + +#define ENC_CP1251_TO_LOWER_CASE(c) EncCP1251_ToLowerCaseTable[c] +#define ENC_IS_CP1251_CTYPE(code,ctype) \ + ((EncCP1251_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0) + +static const UChar EncCP1251_ToLowerCaseTable[256] = { + '\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007', + '\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017', + '\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027', + '\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037', + '\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047', + '\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057', + '\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067', + '\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077', + '\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147', + '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157', + '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167', + '\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137', + '\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147', + '\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157', + '\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167', + '\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177', + '\220', '\203', '\202', '\203', '\204', '\205', '\206', '\207', + '\210', '\211', '\232', '\213', '\234', '\235', '\236', '\237', + '\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227', + '\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237', + '\240', '\242', '\242', '\274', '\244', '\264', '\246', '\247', + '\270', '\251', '\272', '\253', '\254', '\255', '\256', '\277', + '\260', '\261', '\263', '\263', '\264', '\265', '\266', '\267', + '\270', '\271', '\272', '\273', '\274', '\276', '\276', '\277', + '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347', + '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357', + '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367', + '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377', + '\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347', + '\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357', + '\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367', + '\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377' +}; + +static const unsigned short EncCP1251_CtypeTable[256] = { + 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, + 0x4008, 0x428c, 0x4209, 0x4208, 0x4208, 0x4208, 0x4008, 0x4008, + 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, + 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, + 0x4284, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, + 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, + 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, + 0x78b0, 0x78b0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, + 0x41a0, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x74a2, + 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, + 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, + 0x74a2, 0x74a2, 0x74a2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x51a0, + 0x41a0, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x70e2, + 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, + 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, + 0x70e2, 0x70e2, 0x70e2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x4008, + 0x34a2, 0x34a2, 0x01a0, 0x30e2, 0x01a0, 0x01a0, 0x01a0, 0x01a0, + 0x0000, 0x01a0, 0x34a2, 0x01a0, 0x34a2, 0x34a2, 0x34a2, 0x34a2, + 0x30e2, 0x01a0, 0x01a0, 0x01a0, 0x01a0, 0x01a0, 0x01a0, 0x01a0, + 0x0008, 0x0000, 0x30e2, 0x01a0, 0x30e2, 0x30e2, 0x30e2, 0x30e2, + 0x0280, 0x34a2, 0x30e2, 0x34a2, 0x01a0, 0x34a2, 0x01a0, 0x01a0, + 0x34a2, 0x01a0, 0x34a2, 0x01a0, 0x01a0, 0x01a0, 0x01a0, 0x34a2, + 0x01a0, 0x01a0, 0x34a2, 0x30e2, 0x30e2, 0x31e2, 0x01a0, 0x01a0, + 0x30e2, 0x0000, 0x30e2, 0x01a0, 0x30e2, 0x34a2, 0x30e2, 0x30e2, + 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, + 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, + 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, + 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, + 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, + 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, + 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, + 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2 +}; + +static int +cp1251_mbc_case_fold(OnigCaseFoldType flag ARG_UNUSED, + const UChar** pp, const UChar* end ARG_UNUSED, UChar* lower, OnigEncoding enc) +{ + const UChar* p = *pp; + + *lower = ENC_CP1251_TO_LOWER_CASE(*p); + (*pp)++; + return 1; +} + +static int +cp1251_is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc) +{ + if (code < 256) + return ENC_IS_CP1251_CTYPE(code, ctype); + else + return FALSE; +} + +static const OnigPairCaseFoldCodes CaseFoldMap[] = { + { 0xb8, 0xa8 }, + + { 0xe0, 0xc0 }, + { 0xe1, 0xc1 }, + { 0xe2, 0xc2 }, + { 0xe3, 0xc3 }, + { 0xe4, 0xc4 }, + { 0xe5, 0xc5 }, + { 0xe6, 0xc6 }, + { 0xe7, 0xc7 }, + { 0xe8, 0xc8 }, + { 0xe9, 0xc9 }, + { 0xea, 0xca }, + { 0xeb, 0xcb }, + { 0xec, 0xcc }, + { 0xed, 0xcd }, + { 0xee, 0xce }, + { 0xef, 0xcf }, + + { 0xf0, 0xd0 }, + { 0xf1, 0xd1 }, + { 0xf2, 0xd2 }, + { 0xf3, 0xd3 }, + { 0xf4, 0xd4 }, + { 0xf5, 0xd5 }, + { 0xf6, 0xd6 }, + { 0xf7, 0xd7 }, + { 0xf8, 0xd8 }, + { 0xf9, 0xd9 }, + { 0xfa, 0xda }, + { 0xfb, 0xdb }, + { 0xfc, 0xdc }, + { 0xfd, 0xdd }, + { 0xfe, 0xde }, + { 0xff, 0xdf } +}; + +static int +cp1251_apply_all_case_fold(OnigCaseFoldType flag, + OnigApplyAllCaseFoldFunc f, void* arg, OnigEncoding enc) +{ + return onigenc_apply_all_case_fold_with_map( + sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0, + flag, f, arg); +} + +static int +cp1251_get_case_fold_codes_by_str(OnigCaseFoldType flag, + const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[], OnigEncoding enc) +{ + return onigenc_get_case_fold_codes_by_str_with_map( + sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0, + flag, p, end, items); +} + +OnigEncodingType OnigEncodingCP1251 = { + onigenc_single_byte_mbc_enc_len, + "Windows-1251", /* name */ + 1, /* max enc length */ + 1, /* min enc length */ + onigenc_is_mbc_newline_0x0a, + onigenc_single_byte_mbc_to_code, + onigenc_single_byte_code_to_mbclen, + onigenc_single_byte_code_to_mbc, + cp1251_mbc_case_fold, + cp1251_apply_all_case_fold, + cp1251_get_case_fold_codes_by_str, + onigenc_minimum_property_name_to_ctype, + cp1251_is_code_ctype, + onigenc_not_support_get_ctype_code_range, + onigenc_single_byte_left_adjust_char_head, + onigenc_always_true_is_allowed_reverse_match +}; +ENC_ALIAS("CP1251", "Windows-1251");
\ No newline at end of file |