|
Packit |
b89d10 |
/**********************************************************************
|
|
Packit |
b89d10 |
euc_jp.c - Oniguruma (regular expression library)
|
|
Packit |
b89d10 |
**********************************************************************/
|
|
Packit |
b89d10 |
/*-
|
|
Packit |
b89d10 |
* Copyright (c) 2002-2018 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
|
|
Packit |
b89d10 |
* All rights reserved.
|
|
Packit |
b89d10 |
*
|
|
Packit |
b89d10 |
* Redistribution and use in source and binary forms, with or without
|
|
Packit |
b89d10 |
* modification, are permitted provided that the following conditions
|
|
Packit |
b89d10 |
* are met:
|
|
Packit |
b89d10 |
* 1. Redistributions of source code must retain the above copyright
|
|
Packit |
b89d10 |
* notice, this list of conditions and the following disclaimer.
|
|
Packit |
b89d10 |
* 2. Redistributions in binary form must reproduce the above copyright
|
|
Packit |
b89d10 |
* notice, this list of conditions and the following disclaimer in the
|
|
Packit |
b89d10 |
* documentation and/or other materials provided with the distribution.
|
|
Packit |
b89d10 |
*
|
|
Packit |
b89d10 |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
Packit |
b89d10 |
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
Packit |
b89d10 |
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
Packit |
b89d10 |
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
Packit |
b89d10 |
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
Packit |
b89d10 |
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
Packit |
b89d10 |
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
Packit |
b89d10 |
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
Packit |
b89d10 |
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
Packit |
b89d10 |
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
Packit |
b89d10 |
* SUCH DAMAGE.
|
|
Packit |
b89d10 |
*/
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
#include "regint.h"
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
#define eucjp_islead(c) ((UChar )((c) - 0xa1) > 0xfe - 0xa1)
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
static const int EncLen_EUCJP[] = {
|
|
Packit |
b89d10 |
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
Packit |
b89d10 |
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
Packit |
b89d10 |
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
Packit |
b89d10 |
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
Packit |
b89d10 |
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
Packit |
b89d10 |
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
Packit |
b89d10 |
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
Packit |
b89d10 |
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
Packit |
b89d10 |
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
|
|
Packit |
b89d10 |
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
Packit |
b89d10 |
1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
Packit |
b89d10 |
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
Packit |
b89d10 |
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
Packit |
b89d10 |
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
Packit |
b89d10 |
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
|
|
Packit |
b89d10 |
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1
|
|
Packit |
b89d10 |
};
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
static int
|
|
Packit |
b89d10 |
mbc_enc_len(const UChar* p)
|
|
Packit |
b89d10 |
{
|
|
Packit |
b89d10 |
return EncLen_EUCJP[*p];
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
static int
|
|
Packit |
b89d10 |
is_valid_mbc_string(const UChar* p, const UChar* end)
|
|
Packit |
b89d10 |
{
|
|
Packit |
b89d10 |
while (p < end) {
|
|
Packit |
b89d10 |
if (*p < 0x80) {
|
|
Packit |
b89d10 |
p++;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
else if (*p > 0xa0) {
|
|
Packit |
b89d10 |
if (*p == 0xff) return FALSE;
|
|
Packit |
b89d10 |
p++;
|
|
Packit |
b89d10 |
if (p >= end) return FALSE;
|
|
Packit |
b89d10 |
if (*p < 0xa1 || *p == 0xff) return FALSE;
|
|
Packit |
b89d10 |
p++;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
else if (*p == 0x8e) {
|
|
Packit |
b89d10 |
p++;
|
|
Packit |
b89d10 |
if (p >= end) return FALSE;
|
|
Packit |
b89d10 |
if (*p < 0xa1 || *p > 0xdf) return FALSE;
|
|
Packit |
b89d10 |
p++;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
else if (*p == 0x8f) {
|
|
Packit |
b89d10 |
p++;
|
|
Packit |
b89d10 |
if (p >= end) return FALSE;
|
|
Packit |
b89d10 |
if (*p < 0xa1 || *p == 0xff) return FALSE;
|
|
Packit |
b89d10 |
p++;
|
|
Packit |
b89d10 |
if (p >= end) return FALSE;
|
|
Packit |
b89d10 |
if (*p < 0xa1 || *p == 0xff) return FALSE;
|
|
Packit |
b89d10 |
p++;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
else
|
|
Packit |
b89d10 |
return FALSE;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
return TRUE;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
static OnigCodePoint
|
|
Packit |
b89d10 |
mbc_to_code(const UChar* p, const UChar* end)
|
|
Packit |
b89d10 |
{
|
|
Packit |
b89d10 |
int c, i, len;
|
|
Packit |
b89d10 |
OnigCodePoint n;
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
len = enclen(ONIG_ENCODING_EUC_JP, p);
|
|
Packit |
b89d10 |
n = (OnigCodePoint )*p++;
|
|
Packit |
b89d10 |
if (len == 1) return n;
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
for (i = 1; i < len; i++) {
|
|
Packit |
b89d10 |
if (p >= end) break;
|
|
Packit |
b89d10 |
c = *p++;
|
|
Packit |
b89d10 |
n <<= 8; n += c;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
return n;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
static int
|
|
Packit |
b89d10 |
code_to_mbclen(OnigCodePoint code)
|
|
Packit |
b89d10 |
{
|
|
Packit |
b89d10 |
if (ONIGENC_IS_CODE_ASCII(code)) return 1;
|
|
Packit |
b89d10 |
else if ((code & 0xff0000) != 0) return 3;
|
|
Packit |
b89d10 |
else if ((code & 0xff00) != 0) return 2;
|
|
Packit |
b89d10 |
else
|
|
Packit |
b89d10 |
return ONIGERR_INVALID_CODE_POINT_VALUE;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
#if 0
|
|
Packit |
b89d10 |
static int
|
|
Packit |
b89d10 |
code_to_mbc_first(OnigCodePoint code)
|
|
Packit |
b89d10 |
{
|
|
Packit |
b89d10 |
int first;
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
if ((code & 0xff0000) != 0) {
|
|
Packit |
b89d10 |
first = (code >> 16) & 0xff;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
else if ((code & 0xff00) != 0) {
|
|
Packit |
b89d10 |
first = (code >> 8) & 0xff;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
else {
|
|
Packit |
b89d10 |
return (int )code;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
return first;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
#endif
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
static int
|
|
Packit |
b89d10 |
code_to_mbc(OnigCodePoint code, UChar *buf)
|
|
Packit |
b89d10 |
{
|
|
Packit |
b89d10 |
UChar *p = buf;
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
if ((code & 0xff0000) != 0) *p++ = (UChar )(((code >> 16) & 0xff));
|
|
Packit |
b89d10 |
if ((code & 0xff00) != 0) *p++ = (UChar )(((code >> 8) & 0xff));
|
|
Packit |
b89d10 |
*p++ = (UChar )(code & 0xff);
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
#if 1
|
|
Packit |
b89d10 |
if (enclen(ONIG_ENCODING_EUC_JP, buf) != (p - buf))
|
|
Packit |
b89d10 |
return ONIGERR_INVALID_CODE_POINT_VALUE;
|
|
Packit |
b89d10 |
#endif
|
|
Packit |
b89d10 |
return (int )(p - buf);
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
static int
|
|
Packit |
b89d10 |
mbc_case_fold(OnigCaseFoldType flag ARG_UNUSED,
|
|
Packit |
b89d10 |
const UChar** pp, const UChar* end ARG_UNUSED, UChar* lower)
|
|
Packit |
b89d10 |
{
|
|
Packit |
b89d10 |
int len;
|
|
Packit |
b89d10 |
const UChar* p = *pp;
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
if (ONIGENC_IS_MBC_ASCII(p)) {
|
|
Packit |
b89d10 |
*lower = ONIGENC_ASCII_CODE_TO_LOWER_CASE(*p);
|
|
Packit |
b89d10 |
(*pp)++;
|
|
Packit |
b89d10 |
return 1;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
else {
|
|
Packit |
b89d10 |
int i;
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
len = enclen(ONIG_ENCODING_EUC_JP, p);
|
|
Packit |
b89d10 |
for (i = 0; i < len; i++) {
|
|
Packit |
b89d10 |
*lower++ = *p++;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
(*pp) += len;
|
|
Packit |
b89d10 |
return len; /* return byte length of converted char to lower */
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
static UChar*
|
|
Packit |
b89d10 |
left_adjust_char_head(const UChar* start, const UChar* s)
|
|
Packit |
b89d10 |
{
|
|
Packit |
b89d10 |
/* In this encoding
|
|
Packit |
b89d10 |
mb-trail bytes doesn't mix with single bytes.
|
|
Packit |
b89d10 |
*/
|
|
Packit |
b89d10 |
const UChar *p;
|
|
Packit |
b89d10 |
int len;
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
if (s <= start) return (UChar* )s;
|
|
Packit |
b89d10 |
p = s;
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
while (!eucjp_islead(*p) && p > start) p--;
|
|
Packit |
b89d10 |
len = enclen(ONIG_ENCODING_EUC_JP, p);
|
|
Packit |
b89d10 |
if (p + len > s) return (UChar* )p;
|
|
Packit |
b89d10 |
p += len;
|
|
Packit |
b89d10 |
return (UChar* )(p + ((s - p) & ~1));
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
static int
|
|
Packit |
b89d10 |
is_allowed_reverse_match(const UChar* s, const UChar* end ARG_UNUSED)
|
|
Packit |
b89d10 |
{
|
|
Packit |
b89d10 |
const UChar c = *s;
|
|
Packit |
b89d10 |
if (c <= 0x7e || c == 0x8e || c == 0x8f)
|
|
Packit |
b89d10 |
return TRUE;
|
|
Packit |
b89d10 |
else
|
|
Packit |
b89d10 |
return FALSE;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
static const OnigCodePoint CR_Hiragana[] = {
|
|
Packit |
b89d10 |
1,
|
|
Packit |
b89d10 |
0xa4a1, 0xa4f3
|
|
Packit |
b89d10 |
}; /* CR_Hiragana */
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
static const OnigCodePoint CR_Katakana[] = {
|
|
Packit |
b89d10 |
3,
|
|
Packit |
b89d10 |
0xa5a1, 0xa5f6,
|
|
Packit |
b89d10 |
0xaaa6, 0xaaaf,
|
|
Packit |
b89d10 |
0xaab1, 0xaadd
|
|
Packit |
b89d10 |
}; /* CR_Katakana */
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
static const OnigCodePoint* PropertyList[] = {
|
|
Packit |
b89d10 |
CR_Hiragana,
|
|
Packit |
b89d10 |
CR_Katakana
|
|
Packit |
b89d10 |
};
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
static int
|
|
Packit |
b89d10 |
property_name_to_ctype(OnigEncoding enc, UChar* p, UChar* end)
|
|
Packit |
b89d10 |
{
|
|
Packit |
b89d10 |
struct PropertyNameCtype* pc;
|
|
Packit |
b89d10 |
int len = (int )(end - p);
|
|
Packit |
b89d10 |
char q[32];
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
if (len < sizeof(q) - 1) {
|
|
Packit |
b89d10 |
xmemcpy(q, p, (size_t )len);
|
|
Packit |
b89d10 |
q[len] = '\0';
|
|
Packit |
b89d10 |
pc = euc_jp_lookup_property_name(q, len);
|
|
Packit |
b89d10 |
if (pc != 0)
|
|
Packit |
b89d10 |
return pc->ctype;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
return ONIGERR_INVALID_CHAR_PROPERTY_NAME;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
static int
|
|
Packit |
b89d10 |
is_code_ctype(OnigCodePoint code, unsigned int ctype)
|
|
Packit |
b89d10 |
{
|
|
Packit |
b89d10 |
if (ctype <= ONIGENC_MAX_STD_CTYPE) {
|
|
Packit |
b89d10 |
if (code < 128)
|
|
Packit |
b89d10 |
return ONIGENC_IS_ASCII_CODE_CTYPE(code, ctype);
|
|
Packit |
b89d10 |
else {
|
|
Packit |
b89d10 |
if (CTYPE_IS_WORD_GRAPH_PRINT(ctype)) {
|
|
Packit |
b89d10 |
return (code_to_mbclen(code) > 1 ? TRUE : FALSE);
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
else {
|
|
Packit |
b89d10 |
ctype -= (ONIGENC_MAX_STD_CTYPE + 1);
|
|
Packit |
b89d10 |
if (ctype >= (unsigned int )(sizeof(PropertyList)/sizeof(PropertyList[0])))
|
|
Packit |
b89d10 |
return ONIGERR_TYPE_BUG;
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
return onig_is_in_code_range((UChar* )PropertyList[ctype], code);
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
return FALSE;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
static int
|
|
Packit |
b89d10 |
get_ctype_code_range(OnigCtype ctype, OnigCodePoint* sb_out,
|
|
Packit |
b89d10 |
const OnigCodePoint* ranges[])
|
|
Packit |
b89d10 |
{
|
|
Packit |
b89d10 |
if (ctype <= ONIGENC_MAX_STD_CTYPE) {
|
|
Packit |
b89d10 |
return ONIG_NO_SUPPORT_CONFIG;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
else {
|
|
Packit |
b89d10 |
*sb_out = 0x80;
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
ctype -= (ONIGENC_MAX_STD_CTYPE + 1);
|
|
Packit |
b89d10 |
if (ctype >= (OnigCtype )sizeof(PropertyList)/sizeof(PropertyList[0]))
|
|
Packit |
b89d10 |
return ONIGERR_TYPE_BUG;
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
*ranges = PropertyList[ctype];
|
|
Packit |
b89d10 |
return 0;
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
}
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
|
|
Packit |
b89d10 |
OnigEncodingType OnigEncodingEUC_JP = {
|
|
Packit |
b89d10 |
mbc_enc_len,
|
|
Packit |
b89d10 |
"EUC-JP", /* name */
|
|
Packit |
b89d10 |
3, /* max enc length */
|
|
Packit |
b89d10 |
1, /* min enc length */
|
|
Packit |
b89d10 |
onigenc_is_mbc_newline_0x0a,
|
|
Packit |
b89d10 |
mbc_to_code,
|
|
Packit |
b89d10 |
code_to_mbclen,
|
|
Packit |
b89d10 |
code_to_mbc,
|
|
Packit |
b89d10 |
mbc_case_fold,
|
|
Packit |
b89d10 |
onigenc_ascii_apply_all_case_fold,
|
|
Packit |
b89d10 |
onigenc_ascii_get_case_fold_codes_by_str,
|
|
Packit |
b89d10 |
property_name_to_ctype,
|
|
Packit |
b89d10 |
is_code_ctype,
|
|
Packit |
b89d10 |
get_ctype_code_range,
|
|
Packit |
b89d10 |
left_adjust_char_head,
|
|
Packit |
b89d10 |
is_allowed_reverse_match,
|
|
Packit |
b89d10 |
NULL, /* init */
|
|
Packit |
b89d10 |
NULL, /* is_initialized */
|
|
Packit |
b89d10 |
is_valid_mbc_string,
|
|
Packit |
b89d10 |
ENC_FLAG_ASCII_COMPATIBLE,
|
|
Packit |
b89d10 |
0, 0
|
|
Packit |
b89d10 |
};
|