зеркало из https://github.com/github/ruby.git
209 строки
8.6 KiB
C
209 строки
8.6 KiB
C
/**********************************************************************
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cp1251.c - Oniguruma (regular expression library)
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**********************************************************************/
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/*-
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* Copyright (c) 2006-2007 Byte <byte AT mail DOT kna DOT ru>
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* K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "regenc.h"
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#define ENC_CP1251_TO_LOWER_CASE(c) EncCP1251_ToLowerCaseTable[c]
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#define ENC_IS_CP1251_CTYPE(code,ctype) \
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((EncCP1251_CtypeTable[code] & CTYPE_TO_BIT(ctype)) != 0)
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static const UChar EncCP1251_ToLowerCaseTable[256] = {
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'\000', '\001', '\002', '\003', '\004', '\005', '\006', '\007',
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'\010', '\011', '\012', '\013', '\014', '\015', '\016', '\017',
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'\020', '\021', '\022', '\023', '\024', '\025', '\026', '\027',
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'\030', '\031', '\032', '\033', '\034', '\035', '\036', '\037',
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'\040', '\041', '\042', '\043', '\044', '\045', '\046', '\047',
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'\050', '\051', '\052', '\053', '\054', '\055', '\056', '\057',
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'\060', '\061', '\062', '\063', '\064', '\065', '\066', '\067',
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'\070', '\071', '\072', '\073', '\074', '\075', '\076', '\077',
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'\100', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
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'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
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'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
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'\170', '\171', '\172', '\133', '\134', '\135', '\136', '\137',
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'\140', '\141', '\142', '\143', '\144', '\145', '\146', '\147',
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'\150', '\151', '\152', '\153', '\154', '\155', '\156', '\157',
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'\160', '\161', '\162', '\163', '\164', '\165', '\166', '\167',
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'\170', '\171', '\172', '\173', '\174', '\175', '\176', '\177',
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'\220', '\203', '\202', '\203', '\204', '\205', '\206', '\207',
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'\210', '\211', '\232', '\213', '\234', '\235', '\236', '\237',
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'\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
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'\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
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'\240', '\242', '\242', '\274', '\244', '\264', '\246', '\247',
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'\270', '\251', '\272', '\253', '\254', '\255', '\256', '\277',
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'\260', '\261', '\263', '\263', '\264', '\265', '\266', '\267',
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'\270', '\271', '\272', '\273', '\274', '\276', '\276', '\277',
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'\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
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'\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
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'\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
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'\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377',
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'\340', '\341', '\342', '\343', '\344', '\345', '\346', '\347',
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'\350', '\351', '\352', '\353', '\354', '\355', '\356', '\357',
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'\360', '\361', '\362', '\363', '\364', '\365', '\366', '\367',
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'\370', '\371', '\372', '\373', '\374', '\375', '\376', '\377'
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};
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static const unsigned short EncCP1251_CtypeTable[256] = {
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0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
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0x4008, 0x428c, 0x4209, 0x4208, 0x4208, 0x4208, 0x4008, 0x4008,
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0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
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0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008, 0x4008,
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0x4284, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
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0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
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0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0, 0x78b0,
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0x78b0, 0x78b0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x41a0,
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0x41a0, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x7ca2, 0x74a2,
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0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
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0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2, 0x74a2,
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0x74a2, 0x74a2, 0x74a2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x51a0,
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0x41a0, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x78e2, 0x70e2,
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0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
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0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2, 0x70e2,
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0x70e2, 0x70e2, 0x70e2, 0x41a0, 0x41a0, 0x41a0, 0x41a0, 0x4008,
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0x34a2, 0x34a2, 0x01a0, 0x30e2, 0x01a0, 0x01a0, 0x01a0, 0x01a0,
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0x0000, 0x01a0, 0x34a2, 0x01a0, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
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0x30e2, 0x01a0, 0x01a0, 0x01a0, 0x01a0, 0x01a0, 0x01a0, 0x01a0,
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0x0008, 0x0000, 0x30e2, 0x01a0, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
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0x0280, 0x34a2, 0x30e2, 0x34a2, 0x01a0, 0x34a2, 0x01a0, 0x01a0,
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0x34a2, 0x01a0, 0x34a2, 0x01a0, 0x01a0, 0x01a0, 0x01a0, 0x34a2,
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0x01a0, 0x01a0, 0x34a2, 0x30e2, 0x30e2, 0x31e2, 0x01a0, 0x01a0,
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0x30e2, 0x0000, 0x30e2, 0x01a0, 0x30e2, 0x34a2, 0x30e2, 0x30e2,
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0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
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0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
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0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
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0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
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0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
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0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
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0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
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0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2
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};
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static int
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cp1251_mbc_case_fold(OnigCaseFoldType flag ARG_UNUSED,
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const UChar** pp, const UChar* end ARG_UNUSED, UChar* lower, OnigEncoding enc ARG_UNUSED)
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{
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const UChar* p = *pp;
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*lower = ENC_CP1251_TO_LOWER_CASE(*p);
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(*pp)++;
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return 1;
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}
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static int
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cp1251_is_code_ctype(OnigCodePoint code, unsigned int ctype, OnigEncoding enc ARG_UNUSED)
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{
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if (code < 256)
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return ENC_IS_CP1251_CTYPE(code, ctype);
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else
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return FALSE;
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}
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static const OnigPairCaseFoldCodes CaseFoldMap[] = {
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{ 0xb8, 0xa8 },
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{ 0xe0, 0xc0 },
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{ 0xe1, 0xc1 },
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{ 0xe2, 0xc2 },
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{ 0xe3, 0xc3 },
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{ 0xe4, 0xc4 },
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{ 0xe5, 0xc5 },
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{ 0xe6, 0xc6 },
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{ 0xe7, 0xc7 },
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{ 0xe8, 0xc8 },
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{ 0xe9, 0xc9 },
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{ 0xea, 0xca },
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{ 0xeb, 0xcb },
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{ 0xec, 0xcc },
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{ 0xed, 0xcd },
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{ 0xee, 0xce },
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{ 0xef, 0xcf },
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{ 0xf0, 0xd0 },
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{ 0xf1, 0xd1 },
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{ 0xf2, 0xd2 },
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{ 0xf3, 0xd3 },
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{ 0xf4, 0xd4 },
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{ 0xf5, 0xd5 },
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{ 0xf6, 0xd6 },
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{ 0xf7, 0xd7 },
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{ 0xf8, 0xd8 },
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{ 0xf9, 0xd9 },
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{ 0xfa, 0xda },
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{ 0xfb, 0xdb },
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{ 0xfc, 0xdc },
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{ 0xfd, 0xdd },
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{ 0xfe, 0xde },
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{ 0xff, 0xdf }
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};
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static int
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cp1251_apply_all_case_fold(OnigCaseFoldType flag,
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OnigApplyAllCaseFoldFunc f, void* arg, OnigEncoding enc ARG_UNUSED)
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{
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return onigenc_apply_all_case_fold_with_map(
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sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0,
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flag, f, arg);
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}
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static int
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cp1251_get_case_fold_codes_by_str(OnigCaseFoldType flag,
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const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem items[], OnigEncoding enc ARG_UNUSED)
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{
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return onigenc_get_case_fold_codes_by_str_with_map(
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sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0,
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flag, p, end, items);
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}
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OnigEncodingDefine(windows_1251, Windows_1251) = {
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onigenc_single_byte_mbc_enc_len,
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"Windows-1251", /* name */
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1, /* max enc length */
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1, /* min enc length */
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onigenc_is_mbc_newline_0x0a,
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onigenc_single_byte_mbc_to_code,
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onigenc_single_byte_code_to_mbclen,
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onigenc_single_byte_code_to_mbc,
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cp1251_mbc_case_fold,
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cp1251_apply_all_case_fold,
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cp1251_get_case_fold_codes_by_str,
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onigenc_minimum_property_name_to_ctype,
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cp1251_is_code_ctype,
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onigenc_not_support_get_ctype_code_range,
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onigenc_single_byte_left_adjust_char_head,
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onigenc_always_true_is_allowed_reverse_match
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};
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/*
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* Name: windows-1251
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* MIBenum: 2251
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* Link: http://www.iana.org/assignments/character-sets
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* Link: http://www.microsoft.com/globaldev/reference/sbcs/1251.mspx
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* Link: http://en.wikipedia.org/wiki/Windows-1251
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*/
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ENC_ALIAS("CP1251", "Windows-1251")
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