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/**********************************************************************
iso8859_1.c - Oniguruma (regular expression library)
**********************************************************************/
/*-
* Copyright (c) 2002-2005 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_IS_ISO_8859_1_CTYPE(code,ctype) \
((EncISO_8859_1_CtypeTable[code] & ctype) != 0)
static unsigned short EncISO_8859_1_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, 0x20a0, 0x21a0, 0x21a0, 0x21a0,
0x21a0, 0x21a0, 0x21a0, 0x20a0, 0x21a0, 0x21a0, 0x21a0, 0x21a0,
0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0, 0x38b0,
0x38b0, 0x38b0, 0x21a0, 0x21a0, 0x20a0, 0x20a0, 0x20a0, 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, 0x20a0, 0x31a0,
0x20a0, 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, 0x20a0, 0x21a0, 0x20a0, 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, 0x01a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0, 0x00a0,
0x00a0, 0x00a0, 0x10e2, 0x01a0, 0x00a0, 0x01a0, 0x00a0, 0x00a0,
0x00a0, 0x00a0, 0x10a0, 0x10a0, 0x00a0, 0x10e2, 0x00a0, 0x01a0,
0x00a0, 0x10a0, 0x10e2, 0x01a0, 0x10a0, 0x10a0, 0x10a0, 0x01a0,
0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2,
0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2,
0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x00a0,
0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x14a2, 0x10e2,
0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2,
0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2,
0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x00a0,
0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2, 0x10e2
};
static int
iso_8859_1_mbc_to_normalize(OnigAmbigType flag, const UChar** pp, const UChar* end, UChar* lower)
{
const UChar* p = *pp;
if (end > p + 1 && (flag & ONIGENC_AMBIGUOUS_MATCH_COMPOUND) != 0) {
if ((*p == 's' && *(p+1) == 's') ||
((flag & ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) != 0 &&
(*p == 'S' && *(p+1) == 'S'))) {
*lower = 0xdf;
(*pp) += 2;
return 1;
}
}
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 = ONIGENC_ISO_8859_1_TO_LOWER_CASE(*p);
}
else {
*lower = *p;
}
(*pp)++;
return 1; /* return byte length of converted char to lower */
}
static int
iso_8859_1_is_mbc_ambiguous(OnigAmbigType flag,
const UChar** pp, const UChar* end)
{
const UChar* p = *pp;
if ((flag & ONIGENC_AMBIGUOUS_MATCH_COMPOUND) != 0) {
if (end > p + 1) {
if ((*p == 's' && *(p+1) == 's') ||
((flag & ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE) != 0 &&
(*p == 'S' && *(p+1) == 'S'))) {
(*pp) += 2;
return TRUE;
}
}
if (*p == 0xdf) {
(*pp)++;
return TRUE;
}
}
(*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 = (EncISO_8859_1_CtypeTable[*p] &
(ONIGENC_CTYPE_UPPER | ONIGENC_CTYPE_LOWER));
if ((v | ONIGENC_CTYPE_LOWER) != 0) {
/* 0xdf, 0xaa, 0xb5, 0xba are lower case letter, but can't convert. */
if (*p == 0xdf || (*p >= 0xaa && *p <= 0xba))
return FALSE;
else
return TRUE;
}
return (v != 0 ? TRUE : FALSE);
}
return FALSE;
}
static int
iso_8859_1_is_code_ctype(OnigCodePoint code, unsigned int ctype)
{
if (code < 256)
return ENC_IS_ISO_8859_1_CTYPE(code, ctype);
else
return FALSE;
}
OnigEncodingType OnigEncodingISO_8859_1 = {
onigenc_single_byte_mbc_enc_len,
"ISO-8859-1", /* name */
1, /* max enc length */
1, /* min enc length */
(ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE |
ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE |
ONIGENC_AMBIGUOUS_MATCH_COMPOUND),
{
(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,
iso_8859_1_mbc_to_normalize,
iso_8859_1_is_mbc_ambiguous,
onigenc_iso_8859_1_get_all_pair_ambig_codes,
onigenc_ess_tsett_get_all_comp_ambig_codes,
iso_8859_1_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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