1 /*
2  * "streamable kanji code filter and converter"
3  * Copyright (c) 1998-2002 HappySize, Inc. All rights reserved.
4  *
5  * LICENSE NOTICES
6  *
7  * This file is part of "streamable kanji code filter and converter",
8  * which is distributed under the terms of GNU Lesser General Public
9  * License (version 2) as published by the Free Software Foundation.
10  *
11  * This software is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with "streamable kanji code filter and converter";
18  * if not, write to the Free Software Foundation, Inc., 59 Temple Place,
19  * Suite 330, Boston, MA  02111-1307  USA
20  *
21  * The author of this file:
22  *
23  */
24 /*
25  * The source code included in this files was separated from mbfilter.c
26  * by Moriyoshi Koizumi <moriyoshi@php.net> on 4 Dec 2002. The file
27  * mbfilter.c is included in this package .
28  *
29  */
30 
31 #ifdef HAVE_CONFIG_H
32 #include "config.h"
33 #endif
34 
35 #include "mbfilter.h"
36 #include "mbfilter_7bit.h"
37 
38 const mbfl_encoding mbfl_encoding_7bit = {
39 	mbfl_no_encoding_7bit,
40 	"7bit",
41 	"7bit",
42 	NULL,
43 	NULL,
44 	MBFL_ENCTYPE_SBCS,
45 	NULL,
46 	NULL
47 };
48 
49 const struct mbfl_convert_vtbl vtbl_8bit_7bit = {
50 	mbfl_no_encoding_8bit,
51 	mbfl_no_encoding_7bit,
52 	mbfl_filt_conv_common_ctor,
53 	mbfl_filt_conv_common_dtor,
54 	mbfl_filt_conv_any_7bit,
55 	mbfl_filt_conv_common_flush
56 };
57 
58 const struct mbfl_convert_vtbl vtbl_7bit_8bit = {
59 	mbfl_no_encoding_7bit,
60 	mbfl_no_encoding_8bit,
61 	mbfl_filt_conv_common_ctor,
62 	mbfl_filt_conv_common_dtor,
63 	mbfl_filt_conv_7bit_any,
64 	mbfl_filt_conv_common_flush
65 };
66 
67 
68 #define CK(statement)	do { if ((statement) < 0) return (-1); } while (0)
69 
mbfl_filt_conv_7bit_any(int c,mbfl_convert_filter * filter)70 int mbfl_filt_conv_7bit_any(int c, mbfl_convert_filter *filter)
71 {
72 	return (*filter->output_function)(c, filter->data);
73 }
74 
75 
mbfl_filt_conv_any_7bit(int c,mbfl_convert_filter * filter)76 int mbfl_filt_conv_any_7bit(int c, mbfl_convert_filter *filter)
77 {
78 	if (c >= 0 && c < 0x80) {
79 		CK((*filter->output_function)(c, filter->data));
80 	}
81 	return c;
82 }
83