mirror of
https://github.com/php/php-src.git
synced 2024-10-19 15:34:25 +00:00
152 lines
3.4 KiB
C
152 lines
3.4 KiB
C
/*
|
|
* "streamable kanji code filter and converter"
|
|
* Copyright (c) 1998-2002 HappySize, Inc. All rights reserved.
|
|
*
|
|
* LICENSE NOTICES
|
|
*
|
|
* This file is part of "streamable kanji code filter and converter",
|
|
* which is distributed under the terms of GNU Lesser General Public
|
|
* License (version 2) as published by the Free Software Foundation.
|
|
*
|
|
* This software is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with "streamable kanji code filter and converter";
|
|
* if not, write to the Free Software Foundation, Inc., 59 Temple Place,
|
|
* Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
* The author of this part: Den V. Tsopa <tdv@edisoft.ru>
|
|
*
|
|
*/
|
|
/*
|
|
* The source code included in this files was separated from mbfilter_ru.c
|
|
* by moriyoshi koizumi <moriyoshi@php.net> on 4 dec 2002.
|
|
*
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "mbfilter.h"
|
|
#include "mbfilter_cp866.h"
|
|
#include "unicode_table_cp866.h"
|
|
|
|
static int mbfl_filt_ident_cp866(int c, mbfl_identify_filter *filter);
|
|
|
|
static const char *mbfl_encoding_cp866_aliases[] = {"CP866", "CP-866", "IBM-866", NULL};
|
|
|
|
const mbfl_encoding mbfl_encoding_cp866 = {
|
|
mbfl_no_encoding_cp866,
|
|
"CP866",
|
|
"CP866",
|
|
(const char *(*)[])&mbfl_encoding_cp866_aliases,
|
|
NULL,
|
|
MBFL_ENCTYPE_SBCS
|
|
};
|
|
|
|
const struct mbfl_identify_vtbl vtbl_identify_cp866 = {
|
|
mbfl_no_encoding_cp866,
|
|
mbfl_filt_ident_common_ctor,
|
|
mbfl_filt_ident_common_dtor,
|
|
mbfl_filt_ident_cp866
|
|
};
|
|
|
|
const struct mbfl_convert_vtbl vtbl_wchar_cp866 = {
|
|
mbfl_no_encoding_wchar,
|
|
mbfl_no_encoding_cp866,
|
|
mbfl_filt_conv_common_ctor,
|
|
mbfl_filt_conv_common_dtor,
|
|
mbfl_filt_conv_wchar_cp866,
|
|
mbfl_filt_conv_common_flush
|
|
};
|
|
|
|
const struct mbfl_convert_vtbl vtbl_cp866_wchar = {
|
|
mbfl_no_encoding_cp866,
|
|
mbfl_no_encoding_wchar,
|
|
mbfl_filt_conv_common_ctor,
|
|
mbfl_filt_conv_common_dtor,
|
|
mbfl_filt_conv_cp866_wchar,
|
|
mbfl_filt_conv_common_flush
|
|
};
|
|
|
|
#define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
|
|
|
|
/*
|
|
* cp866 => wchar
|
|
*/
|
|
int
|
|
mbfl_filt_conv_cp866_wchar(int c, mbfl_convert_filter *filter)
|
|
{
|
|
int s;
|
|
|
|
if (c >= 0 && c < cp866_ucs_table_min) {
|
|
s = c;
|
|
} else if (c >= cp866_ucs_table_min && c < 0x100) {
|
|
s = cp866_ucs_table[c - cp866_ucs_table_min];
|
|
if (s <= 0) {
|
|
s = c;
|
|
s &= MBFL_WCSPLANE_MASK;
|
|
s |= MBFL_WCSPLANE_CP866;
|
|
}
|
|
} else {
|
|
s = c;
|
|
s &= MBFL_WCSGROUP_MASK;
|
|
s |= MBFL_WCSGROUP_THROUGH;
|
|
}
|
|
|
|
CK((*filter->output_function)(s, filter->data));
|
|
|
|
return c;
|
|
}
|
|
|
|
/*
|
|
* wchar => cp866
|
|
*/
|
|
int
|
|
mbfl_filt_conv_wchar_cp866(int c, mbfl_convert_filter *filter)
|
|
{
|
|
int s, n;
|
|
|
|
if (c < 0x80) {
|
|
s = c;
|
|
} else {
|
|
s = -1;
|
|
n = cp866_ucs_table_len-1;
|
|
while (n >= 0) {
|
|
if (c == cp866_ucs_table[n]) {
|
|
s = cp866_ucs_table_min + n;
|
|
break;
|
|
}
|
|
n--;
|
|
}
|
|
if (s <= 0 && (c & ~MBFL_WCSPLANE_MASK) == MBFL_WCSPLANE_CP866) {
|
|
s = c & MBFL_WCSPLANE_MASK;
|
|
}
|
|
}
|
|
|
|
if (s >= 0) {
|
|
CK((*filter->output_function)(s, filter->data));
|
|
} else {
|
|
if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
|
|
CK(mbfl_filt_conv_illegal_output(c, filter));
|
|
}
|
|
}
|
|
|
|
return c;
|
|
}
|
|
|
|
static int mbfl_filt_ident_cp866(int c, mbfl_identify_filter *filter)
|
|
{
|
|
if (c >= 0x80 && c < 0xff)
|
|
filter->flag = 0;
|
|
else
|
|
filter->flag = 1; /* not it */
|
|
return c;
|
|
}
|
|
|
|
|