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 #include "mbfilter.h"
32 #include "mbfilter_7bit.h"
33 
34 const mbfl_encoding mbfl_encoding_7bit = {
35 	mbfl_no_encoding_7bit,
36 	"7bit",
37 	"7bit",
38 	NULL,
39 	NULL,
40 	MBFL_ENCTYPE_SBCS,
41 	NULL,
42 	NULL,
43 	NULL
44 };
45 
46 const struct mbfl_convert_vtbl vtbl_8bit_7bit = {
47 	mbfl_no_encoding_8bit,
48 	mbfl_no_encoding_7bit,
49 	mbfl_filt_conv_common_ctor,
50 	NULL,
51 	mbfl_filt_conv_any_7bit,
52 	mbfl_filt_conv_common_flush,
53 	NULL,
54 };
55 
56 const struct mbfl_convert_vtbl vtbl_7bit_8bit = {
57 	mbfl_no_encoding_7bit,
58 	mbfl_no_encoding_8bit,
59 	mbfl_filt_conv_common_ctor,
60 	NULL,
61 	mbfl_filt_conv_7bit_any,
62 	mbfl_filt_conv_common_flush,
63 	NULL,
64 };
65 
66 
67 #define CK(statement)	do { if ((statement) < 0) return (-1); } while (0)
68 
mbfl_filt_conv_7bit_any(int c,mbfl_convert_filter * filter)69 int mbfl_filt_conv_7bit_any(int c, mbfl_convert_filter *filter)
70 {
71 	return (*filter->output_function)(c < 0x80 ? c : MBFL_BAD_INPUT, filter->data);
72 }
73 
74 
mbfl_filt_conv_any_7bit(int c,mbfl_convert_filter * filter)75 int mbfl_filt_conv_any_7bit(int c, mbfl_convert_filter *filter)
76 {
77 	if (c >= 0 && c < 0x80) {
78 		CK((*filter->output_function)(c, filter->data));
79 	} else {
80 		CK(mbfl_filt_conv_illegal_output(c, filter));
81 	}
82 	return 0;
83 }
84