mirror of
https://github.com/php/php-src.git
synced 2024-10-19 15:34:25 +00:00
150 lines
3.5 KiB
C
150 lines
3.5 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 file: Hayk Chamyan <hamshen@gmail.com>
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* "armenian code filter and converter"
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include "mbfilter.h"
|
|
#include "mbfilter_armscii8.h"
|
|
#include "unicode_table_armscii8.h"
|
|
|
|
static int mbfl_filt_ident_armscii8(int c, mbfl_identify_filter *filter);
|
|
|
|
static const char *mbfl_encoding_armscii8_aliases[] = {"ArmSCII-8", "ArmSCII8", "ARMSCII-8", "ARMSCII8", NULL};
|
|
|
|
const mbfl_encoding mbfl_encoding_armscii8 = {
|
|
mbfl_no_encoding_armscii8,
|
|
"ArmSCII-8",
|
|
"ArmSCII-8",
|
|
(const char *(*)[])&mbfl_encoding_armscii8_aliases,
|
|
NULL,
|
|
MBFL_ENCTYPE_SBCS
|
|
};
|
|
|
|
const struct mbfl_identify_vtbl vtbl_identify_armscii8 = {
|
|
mbfl_no_encoding_armscii8,
|
|
mbfl_filt_ident_common_ctor,
|
|
mbfl_filt_ident_common_dtor,
|
|
mbfl_filt_ident_armscii8
|
|
};
|
|
|
|
const struct mbfl_convert_vtbl vtbl_wchar_armscii8 = {
|
|
mbfl_no_encoding_wchar,
|
|
mbfl_no_encoding_armscii8,
|
|
mbfl_filt_conv_common_ctor,
|
|
mbfl_filt_conv_common_dtor,
|
|
mbfl_filt_conv_wchar_armscii8,
|
|
mbfl_filt_conv_common_flush
|
|
};
|
|
|
|
const struct mbfl_convert_vtbl vtbl_armscii8_wchar = {
|
|
mbfl_no_encoding_armscii8,
|
|
mbfl_no_encoding_wchar,
|
|
mbfl_filt_conv_common_ctor,
|
|
mbfl_filt_conv_common_dtor,
|
|
mbfl_filt_conv_armscii8_wchar,
|
|
mbfl_filt_conv_common_flush
|
|
};
|
|
|
|
#define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
|
|
|
|
/*
|
|
* armscii8 => wchar
|
|
*/
|
|
int mbfl_filt_conv_armscii8_wchar(int c, mbfl_convert_filter *filter)
|
|
{
|
|
int s;
|
|
|
|
if (c >= 0 && c < armscii8_ucs_table_min) {
|
|
s = c;
|
|
} else if (c >= armscii8_ucs_table_min && c < 0x100) {
|
|
s = armscii8_ucs_table[c - armscii8_ucs_table_min];
|
|
if (s <= 0) {
|
|
s = c;
|
|
s &= MBFL_WCSPLANE_MASK;
|
|
s |= MBFL_WCSPLANE_ARMSCII8;
|
|
}
|
|
} else {
|
|
s = c;
|
|
s &= MBFL_WCSGROUP_MASK;
|
|
s |= MBFL_WCSGROUP_THROUGH;
|
|
}
|
|
|
|
CK((*filter->output_function)(s, filter->data));
|
|
|
|
return c;
|
|
}
|
|
|
|
/*
|
|
* wchar => armscii8
|
|
*/
|
|
int mbfl_filt_conv_wchar_armscii8(int c, mbfl_convert_filter *filter)
|
|
{
|
|
|
|
int s, n;
|
|
|
|
if (c >= 0x28 && c < 0x30) {
|
|
s = ucs_armscii8_table[c-0x28];
|
|
} else if (c < armscii8_ucs_table_min) {
|
|
s = c;
|
|
} else {
|
|
s = -1;
|
|
n = armscii8_ucs_table_len-1;
|
|
while (n >= 0) {
|
|
if (c == armscii8_ucs_table[n]) {
|
|
s = armscii8_ucs_table_min + n;
|
|
break;
|
|
}
|
|
n--;
|
|
}
|
|
if (s <= 0 && (c & ~MBFL_WCSPLANE_MASK) == MBFL_WCSPLANE_ARMSCII8) {
|
|
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_armscii8(int c, mbfl_identify_filter *filter)
|
|
{
|
|
if (c >= armscii8_ucs_table_min && c <= 0xff)
|
|
filter->flag = 0;
|
|
else
|
|
filter->flag = 1; /* not it */
|
|
return c;
|
|
}
|