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windows_1251.c
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windows_1251.c
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/**********************************************************************
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 ARG_UNUSED)
{
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 ARG_UNUSED)
{
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 ARG_UNUSED)
{
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 ARG_UNUSED)
{
return onigenc_get_case_fold_codes_by_str_with_map(
sizeof(CaseFoldMap)/sizeof(OnigPairCaseFoldCodes), CaseFoldMap, 0,
flag, p, end, items);
}
OnigEncodingDefine(windows_1251, Windows_1251) = {
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,
0,
ONIGENC_FLAG_NONE,
};
/*
* Name: windows-1251
* MIBenum: 2251
* Link: http://www.iana.org/assignments/character-sets
* Link: http://www.microsoft.com/globaldev/reference/sbcs/1251.mspx
* Link: http://en.wikipedia.org/wiki/Windows-1251
*/
ENC_ALIAS("CP1251", "Windows-1251")