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/*
* "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:
*
*/
/*
* The source code included in this files was separated from mbfilter.c
* by Moriyoshi Koizumi <moriyoshi@php.net> on 20 Dec 2002. The file
* mbfilter.c is included in this package .
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
#include "mbfl_ident.h"
#include "mbfl_allocators.h"
#include "mbfilter_pass.h"
#include "mbfilter_8bit.h"
#include "mbfilter_wchar.h"
#include "filters/mbfilter_euc_cn.h"
#include "filters/mbfilter_hz.h"
#include "filters/mbfilter_euc_tw.h"
#include "filters/mbfilter_big5.h"
#include "filters/mbfilter_uhc.h"
#include "filters/mbfilter_euc_kr.h"
#include "filters/mbfilter_iso2022_kr.h"
#include "filters/mbfilter_sjis.h"
#include "filters/mbfilter_jis.h"
#include "filters/mbfilter_euc_jp.h"
#include "filters/mbfilter_euc_jp_win.h"
#include "filters/mbfilter_ascii.h"
#include "filters/mbfilter_koi8r.h"
#include "filters/mbfilter_cp866.h"
#include "filters/mbfilter_cp932.h"
#include "filters/mbfilter_cp936.h"
#include "filters/mbfilter_cp1251.h"
#include "filters/mbfilter_cp1252.h"
#include "filters/mbfilter_iso8859_1.h"
#include "filters/mbfilter_iso8859_2.h"
#include "filters/mbfilter_iso8859_3.h"
#include "filters/mbfilter_iso8859_4.h"
#include "filters/mbfilter_iso8859_5.h"
#include "filters/mbfilter_iso8859_6.h"
#include "filters/mbfilter_iso8859_7.h"
#include "filters/mbfilter_iso8859_8.h"
#include "filters/mbfilter_iso8859_9.h"
#include "filters/mbfilter_iso8859_10.h"
#include "filters/mbfilter_iso8859_13.h"
#include "filters/mbfilter_iso8859_14.h"
#include "filters/mbfilter_iso8859_15.h"
#include "filters/mbfilter_base64.h"
#include "filters/mbfilter_qprint.h"
#include "filters/mbfilter_uuencode.h"
#include "filters/mbfilter_7bit.h"
#include "filters/mbfilter_utf7.h"
#include "filters/mbfilter_utf7imap.h"
#include "filters/mbfilter_utf8.h"
#include "filters/mbfilter_utf16.h"
#include "filters/mbfilter_utf32.h"
#include "filters/mbfilter_byte2.h"
#include "filters/mbfilter_byte4.h"
#include "filters/mbfilter_ucs4.h"
#include "filters/mbfilter_ucs2.h"
#include "filters/mbfilter_htmlent.h"
#include "filters/mbfilter_armscii8.h"
static const struct mbfl_identify_vtbl vtbl_identify_false = {
mbfl_no_encoding_pass,
mbfl_filt_ident_false_ctor,
mbfl_filt_ident_common_dtor,
mbfl_filt_ident_false };
static const struct mbfl_identify_vtbl *mbfl_identify_filter_list[] = {
&vtbl_identify_utf8,
&vtbl_identify_utf7,
&vtbl_identify_ascii,
&vtbl_identify_eucjp,
&vtbl_identify_sjis,
&vtbl_identify_eucjpwin,
&vtbl_identify_sjiswin,
&vtbl_identify_jis,
&vtbl_identify_2022jp,
&vtbl_identify_euccn,
&vtbl_identify_cp936,
&vtbl_identify_hz,
&vtbl_identify_euctw,
&vtbl_identify_big5,
&vtbl_identify_euckr,
&vtbl_identify_uhc,
&vtbl_identify_2022kr,
&vtbl_identify_cp1251,
&vtbl_identify_cp866,
&vtbl_identify_koi8r,
&vtbl_identify_cp1252,
&vtbl_identify_8859_1,
&vtbl_identify_8859_2,
&vtbl_identify_8859_3,
&vtbl_identify_8859_4,
&vtbl_identify_8859_5,
&vtbl_identify_8859_6,
&vtbl_identify_8859_7,
&vtbl_identify_8859_8,
&vtbl_identify_8859_9,
&vtbl_identify_8859_10,
&vtbl_identify_8859_13,
&vtbl_identify_8859_14,
&vtbl_identify_8859_15,
&vtbl_identify_armscii8,
&vtbl_identify_false,
NULL
};
/*
* identify filter
*/
const struct mbfl_identify_vtbl * mbfl_identify_filter_get_vtbl(enum mbfl_no_encoding encoding)
{
const struct mbfl_identify_vtbl * vtbl;
int i;
i = 0;
while ((vtbl = mbfl_identify_filter_list[i++]) != NULL) {
if (vtbl->encoding == encoding) {
break;
}
}
return vtbl;
}
mbfl_identify_filter *mbfl_identify_filter_new(enum mbfl_no_encoding encoding)
{
mbfl_identify_filter *filter;
/* allocate */
filter = (mbfl_identify_filter *)mbfl_malloc(sizeof(mbfl_identify_filter));
if (filter == NULL) {
return NULL;
}
if (mbfl_identify_filter_init(filter, encoding)) {
mbfl_free(filter);
return NULL;
}
return filter;
}
int mbfl_identify_filter_init(mbfl_identify_filter *filter, enum mbfl_no_encoding encoding)
{
const struct mbfl_identify_vtbl *vtbl;
/* encoding structure */
filter->encoding = mbfl_no2encoding(encoding);
if (filter->encoding == NULL) {
filter->encoding = &mbfl_encoding_pass;
}
filter->status = 0;
filter->flag = 0;
filter->score = 0;
/* setup the function table */
vtbl = mbfl_identify_filter_get_vtbl(filter->encoding->no_encoding);
if (vtbl == NULL) {
vtbl = &vtbl_identify_false;
}
filter->filter_ctor = vtbl->filter_ctor;
filter->filter_dtor = vtbl->filter_dtor;
filter->filter_function = vtbl->filter_function;
/* constructor */
(*filter->filter_ctor)(filter);
return 0;
}
void mbfl_identify_filter_delete(mbfl_identify_filter *filter)
{
if (filter == NULL) {
return;
}
mbfl_identify_filter_cleanup(filter);
mbfl_free((void*)filter);
}
void mbfl_identify_filter_cleanup(mbfl_identify_filter *filter)
{
(*filter->filter_dtor)(filter);
}
void mbfl_filt_ident_common_ctor(mbfl_identify_filter *filter)
{
filter->status = 0;
filter->flag = 0;
}
void mbfl_filt_ident_common_dtor(mbfl_identify_filter *filter)
{
filter->status = 0;
}
int mbfl_filt_ident_false(int c, mbfl_identify_filter *filter)
{
filter->flag = 1; /* bad */
return c;
}
void mbfl_filt_ident_false_ctor(mbfl_identify_filter *filter)
{
filter->status = 0;
filter->flag = 1;
}
int mbfl_filt_ident_true(int c, mbfl_identify_filter *filter)
{
return c;
}
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