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koi8.c
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Tue Feb 21 23:47:57 2012 UTC (12 years, 8 months ago) by
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/**********************************************************************
koi8.c - Oniguruma (regular expression library)
**********************************************************************/
/*-
* Copyright (c) 2002-2004 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_KOI8_TO_LOWER_CASE(c) EncKOI8_ToLowerCaseTable[c]
#define ENC_IS_KOI8_CTYPE(code,ctype) \
((EncKOI8_CtypeTable[code] & ctype) != 0)
static const UChar EncKOI8_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',
'\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
'\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
'\220', '\221', '\222', '\223', '\224', '\225', '\226', '\227',
'\230', '\231', '\232', '\233', '\234', '\235', '\236', '\237',
'\240', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
'\250', '\251', '\252', '\253', '\254', '\255', '\256', '\257',
'\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
'\270', '\271', '\272', '\273', '\274', '\275', '\276', '\277',
'\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307',
'\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317',
'\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
'\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337',
'\300', '\301', '\302', '\303', '\304', '\305', '\306', '\307',
'\310', '\311', '\312', '\313', '\314', '\315', '\316', '\317',
'\320', '\321', '\322', '\323', '\324', '\325', '\326', '\327',
'\330', '\331', '\332', '\333', '\334', '\335', '\336', '\337'
};
static const unsigned short EncKOI8_CtypeTable[256] = {
0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008,
0x2008, 0x220c, 0x2209, 0x2208, 0x2208, 0x2208, 0x2008, 0x2008,
0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008,
0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008,
0x2284, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0,
0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0,
0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0,
0x38b0, 0x38b0, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0,
0x21a0, 0x3ca2, 0x3ca2, 0x3ca2, 0x3ca2, 0x3ca2, 0x3ca2, 0x34a2,
0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2, 0x34a2,
0x34a2, 0x34a2, 0x34a2, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x31a0,
0x21a0, 0x38e2, 0x38e2, 0x38e2, 0x38e2, 0x38e2, 0x38e2, 0x30e2,
0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2, 0x30e2,
0x30e2, 0x30e2, 0x30e2, 0x21a0, 0x21a0, 0x21a0, 0x21a0, 0x2008,
0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
0x0284, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2,
0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2,
0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2,
0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2,
0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2,
0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2,
0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2,
0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2
};
static int
koi8_mbc_to_normalize(OnigAmbigType flag,
const OnigUChar** pp, const OnigUChar* end, OnigUChar* lower)
{
const OnigUChar* p = *pp;
if (((flag & ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) != 0 &&
ONIGENC_IS_MBC_ASCII(p)) ||
((flag & ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE) != 0 &&
!ONIGENC_IS_MBC_ASCII(p))) {
*lower = ENC_KOI8_TO_LOWER_CASE(*p);
}
else {
*lower = *p;
}
(*pp)++;
return 1; /* return byte length of converted char to lower */
}
static int
koi8_is_mbc_ambiguous(OnigAmbigType flag, const OnigUChar** pp, const OnigUChar* end)
{
const OnigUChar* p = *pp;
(*pp)++;
if (((flag & ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) != 0 &&
ONIGENC_IS_MBC_ASCII(p)) ||
((flag & ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE) != 0 &&
!ONIGENC_IS_MBC_ASCII(p))) {
int v = (EncKOI8_CtypeTable[*p] &
(ONIGENC_CTYPE_UPPER | ONIGENC_CTYPE_LOWER));
return (v != 0 ? TRUE : FALSE);
}
return FALSE;
}
static int
koi8_is_code_ctype(OnigCodePoint code, unsigned int ctype)
{
if (code < 256)
return ENC_IS_KOI8_CTYPE(code, ctype);
else
return FALSE;
}
static int
koi8_get_all_pair_ambig_codes(OnigAmbigType flag,
const OnigPairAmbigCodes** ccs)
{
static const OnigPairAmbigCodes cc[] = {
{ 0xc0, 0xe0 },
{ 0xc1, 0xe1 },
{ 0xc2, 0xe2 },
{ 0xc3, 0xe3 },
{ 0xc4, 0xe4 },
{ 0xc5, 0xe5 },
{ 0xc6, 0xe6 },
{ 0xc7, 0xe7 },
{ 0xc8, 0xe8 },
{ 0xc9, 0xe9 },
{ 0xca, 0xea },
{ 0xcb, 0xeb },
{ 0xcc, 0xec },
{ 0xcd, 0xed },
{ 0xce, 0xee },
{ 0xcf, 0xef },
{ 0xd0, 0xf0 },
{ 0xd1, 0xf1 },
{ 0xd2, 0xf2 },
{ 0xd3, 0xf3 },
{ 0xd4, 0xf4 },
{ 0xd5, 0xf5 },
{ 0xd6, 0xf6 },
{ 0xd7, 0xf7 },
{ 0xd8, 0xf8 },
{ 0xd9, 0xf9 },
{ 0xda, 0xfa },
{ 0xdb, 0xfb },
{ 0xdc, 0xfc },
{ 0xdd, 0xfd },
{ 0xde, 0xfe },
{ 0xdf, 0xff },
{ 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 },
{ 0xfe, 0xde },
{ 0xff, 0xdf }
};
if (flag == ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) {
*ccs = OnigAsciiPairAmbigCodes;
return 52;
}
if (flag == ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE) {
*ccs = cc;
return sizeof(cc) / sizeof(OnigPairAmbigCodes);
}
else
return 0;
}
OnigEncodingType OnigEncodingKOI8 = {
onigenc_single_byte_mbc_enc_len,
"KOI8", /* name */
1, /* max enc length */
1, /* min enc length */
(ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE |
ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE ),
{
(OnigCodePoint )'\\' /* esc */
, (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
, (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
, (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
, (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
, (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
},
onigenc_is_mbc_newline_0x0a,
onigenc_single_byte_mbc_to_code,
onigenc_single_byte_code_to_mbclen,
onigenc_single_byte_code_to_mbc,
koi8_mbc_to_normalize,
koi8_is_mbc_ambiguous,
koi8_get_all_pair_ambig_codes,
onigenc_nothing_get_all_comp_ambig_codes,
koi8_is_code_ctype,
onigenc_not_support_get_ctype_code_range,
onigenc_single_byte_left_adjust_char_head,
onigenc_always_true_is_allowed_reverse_match
};
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