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 };
46
47 const struct mbfl_convert_vtbl vtbl_8bit_7bit = {
48 mbfl_no_encoding_8bit,
49 mbfl_no_encoding_7bit,
50 mbfl_filt_conv_common_ctor,
51 mbfl_filt_conv_common_dtor,
52 mbfl_filt_conv_any_7bit,
53 mbfl_filt_conv_common_flush
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 mbfl_filt_conv_common_dtor,
61 mbfl_filt_conv_7bit_any,
62 mbfl_filt_conv_common_flush
63 };
64
65
66 #define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
67
68 int mbfl_filt_conv_7bit_any(int c, mbfl_convert_filter *filter)
69 {
70 return (*filter->output_function)(c, filter->data);
71 }
72
73
74 int mbfl_filt_conv_any_7bit(int c, mbfl_convert_filter *filter)
75 {
76 if (c >= 0 && c < 0x80) {
77 CK((*filter->output_function)(c, filter->data));
78 }
79 return c;
80 }
81
82