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298 lines
11 KiB
C
298 lines
11 KiB
C
/**********************************************************************
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iso8859_13.c - Oniguruma (regular expression library)
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**********************************************************************/
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/*-
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* Copyright (c) 2002-2005 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_ISO_8859_13_TO_LOWER_CASE(c) EncISO_8859_13_ToLowerCaseTable[c]
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#define ENC_IS_ISO_8859_13_CTYPE(code,ctype) \
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((EncISO_8859_13_CtypeTable[code] & ctype) != 0)
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static UChar EncISO_8859_13_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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'\200', '\201', '\202', '\203', '\204', '\205', '\206', '\207',
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'\210', '\211', '\212', '\213', '\214', '\215', '\216', '\217',
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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', '\241', '\242', '\243', '\244', '\245', '\246', '\247',
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'\270', '\251', '\272', '\253', '\254', '\255', '\256', '\277',
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'\260', '\261', '\262', '\263', '\264', '\265', '\266', '\267',
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'\270', '\271', '\272', '\273', '\274', '\275', '\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', '\327',
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'\370', '\371', '\372', '\373', '\374', '\375', '\376', '\337',
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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 unsigned short EncISO_8859_13_CtypeTable[256] = {
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0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008,
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0x2008, 0x220c, 0x2209, 0x2208, 0x2208, 0x2208, 0x2008, 0x2008,
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0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008,
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0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008, 0x2008,
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0x2284, 0x21a0, 0x21a0, 0x21a0, 0x20a0, 0x21a0, 0x21a0, 0x21a0,
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0x21a0, 0x21a0, 0x21a0, 0x20a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0,
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0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0,
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0x38b0, 0x38b0, 0x21a0, 0x21a0, 0x20a0, 0x20a0, 0x20a0, 0x21a0,
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0x21a0, 0x3ca2, 0x3ca2, 0x3ca2, 0x3ca2, 0x3ca2, 0x3ca2, 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, 0x21a0, 0x21a0, 0x21a0, 0x20a0, 0x31a0,
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0x20a0, 0x38e2, 0x38e2, 0x38e2, 0x38e2, 0x38e2, 0x38e2, 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, 0x21a0, 0x20a0, 0x21a0, 0x20a0, 0x2008,
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0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
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0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
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0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
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0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008, 0x0008,
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0x0284, 0x01a0, 0x00a0, 0x00a0, 0x00a0, 0x01a0, 0x00a0, 0x00a0,
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0x14a2, 0x00a0, 0x14a2, 0x01a0, 0x00a0, 0x01a0, 0x00a0, 0x14a2,
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0x00a0, 0x00a0, 0x10a0, 0x10a0, 0x01a0, 0x10e2, 0x00a0, 0x01a0,
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0x10e2, 0x10a0, 0x10e2, 0x01a0, 0x10a0, 0x10a0, 0x10a0, 0x10e2,
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0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2,
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0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2,
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0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x00a0,
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0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x10e2,
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0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2,
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0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2,
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0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x00a0,
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0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x01a0
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};
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static int
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iso_8859_13_mbc_to_normalize(OnigAmbigType flag,
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const UChar** pp, const UChar* end, UChar* lower)
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{
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const UChar* p = *pp;
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if (end > p + 1 && (flag & ONIGENC_AMBIGUOUS_MATCH_COMPOUND) != 0) {
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if ((*p == 's' && *(p+1) == 's') ||
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((flag & ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) != 0 &&
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(*p == 'S' && *(p+1) == 'S'))) {
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*lower = 0xdf;
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(*pp) += 2;
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return 1;
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}
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}
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if (((flag & ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) != 0 &&
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ONIGENC_IS_MBC_ASCII(p)) ||
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((flag & ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE) != 0 &&
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!ONIGENC_IS_MBC_ASCII(p))) {
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*lower = ENC_ISO_8859_13_TO_LOWER_CASE(*p);
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}
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else {
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*lower = *p;
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}
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(*pp)++;
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return 1; /* return byte length of converted char to lower */
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}
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static int
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iso_8859_13_is_mbc_ambiguous(OnigAmbigType flag,
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const UChar** pp, const UChar* end)
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{
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const UChar* p = *pp;
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if ((flag & ONIGENC_AMBIGUOUS_MATCH_COMPOUND) != 0) {
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if (end > p + 1) {
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if ((*p == 's' && *(p+1) == 's') ||
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((flag & ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) != 0 &&
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(*p == 'S' && *(p+1) == 'S'))) {
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(*pp) += 2;
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return TRUE;
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}
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}
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if (*p == 0xdf) {
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(*pp)++;
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return TRUE;
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}
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}
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(*pp)++;
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if (((flag & ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) != 0 &&
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ONIGENC_IS_MBC_ASCII(p)) ||
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((flag & ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE) != 0 &&
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!ONIGENC_IS_MBC_ASCII(p))) {
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int v = (EncISO_8859_13_CtypeTable[*p] &
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(ONIGENC_CTYPE_UPPER | ONIGENC_CTYPE_LOWER));
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if ((v | ONIGENC_CTYPE_LOWER) != 0) {
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/* 0xdf, 0xb5 are lower case letter, but can't convert. */
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if (*p == 0xdf || *p == 0xb5)
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return FALSE;
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else
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return TRUE;
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}
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return (v != 0 ? TRUE : FALSE);
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}
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return FALSE;
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}
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static int
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iso_8859_13_is_code_ctype(OnigCodePoint code, unsigned int ctype)
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{
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if (code < 256)
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return ENC_IS_ISO_8859_13_CTYPE(code, ctype);
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else
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return FALSE;
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}
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static int
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iso_8859_13_get_all_pair_ambig_codes(OnigAmbigType flag,
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OnigPairAmbigCodes** ccs)
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{
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static OnigPairAmbigCodes cc[] = {
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{ 0xc0, 0xe0 },
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{ 0xc1, 0xe1 },
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{ 0xc2, 0xe2 },
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{ 0xc3, 0xe3 },
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{ 0xc4, 0xe4 },
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{ 0xc5, 0xe5 },
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{ 0xc6, 0xe6 },
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{ 0xc7, 0xe7 },
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{ 0xc8, 0xe8 },
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{ 0xc9, 0xe9 },
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{ 0xca, 0xea },
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{ 0xcb, 0xeb },
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{ 0xcc, 0xec },
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{ 0xcd, 0xed },
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{ 0xce, 0xee },
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{ 0xcf, 0xef },
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{ 0xd0, 0xf0 },
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{ 0xd1, 0xf1 },
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{ 0xd2, 0xf2 },
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{ 0xd3, 0xf3 },
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{ 0xd4, 0xf4 },
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{ 0xd5, 0xf5 },
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{ 0xd6, 0xf6 },
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{ 0xd8, 0xf8 },
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{ 0xd9, 0xf9 },
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{ 0xda, 0xfa },
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{ 0xdb, 0xfb },
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{ 0xdc, 0xfc },
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{ 0xdd, 0xfd },
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{ 0xde, 0xfe },
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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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{ 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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};
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if (flag == ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) {
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*ccs = OnigAsciiPairAmbigCodes;
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return 52;
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}
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if (flag == ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE) {
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*ccs = cc;
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return sizeof(cc) / sizeof(OnigPairAmbigCodes);
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}
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else
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return 0;
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}
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OnigEncodingType OnigEncodingISO_8859_13 = {
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onigenc_single_byte_mbc_enc_len,
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"ISO-8859-13", /* name */
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1, /* max enc length */
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1, /* min enc length */
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(ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE |
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ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE |
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ONIGENC_AMBIGUOUS_MATCH_COMPOUND),
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{
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(OnigCodePoint )'\\' /* esc */
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, (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar '.' */
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, (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anytime '*' */
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, (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* zero or one time '?' */
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, (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* one or more time '+' */
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, (OnigCodePoint )ONIG_INEFFECTIVE_META_CHAR /* anychar anytime */
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},
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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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iso_8859_13_mbc_to_normalize,
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iso_8859_13_is_mbc_ambiguous,
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iso_8859_13_get_all_pair_ambig_codes,
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onigenc_ess_tsett_get_all_comp_ambig_codes,
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iso_8859_13_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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