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 20 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 #ifdef HAVE_STDDEF_H
36 #include <stddef.h>
37 #endif
38
39 #include "mbfilter.h"
40
41 const struct mbfl_convert_vtbl vtbl_8bit_wchar;
42 const struct mbfl_convert_vtbl vtbl_wchar_8bit;
43 static int mbfl_filt_conv_8bit_wchar(int c, mbfl_convert_filter *filter);
44 static int mbfl_filt_conv_wchar_8bit(int c, mbfl_convert_filter *filter);
45
46 static const char *mbfl_encoding_8bit_aliases[] = {"binary", NULL};
47
48 const mbfl_encoding mbfl_encoding_8bit = {
49 mbfl_no_encoding_8bit,
50 "8bit",
51 "8bit",
52 (const char *(*)[])&mbfl_encoding_8bit_aliases,
53 NULL,
54 MBFL_ENCTYPE_SBCS,
55 &vtbl_8bit_wchar,
56 &vtbl_wchar_8bit
57 };
58
59 const struct mbfl_convert_vtbl vtbl_8bit_wchar = {
60 mbfl_no_encoding_8bit,
61 mbfl_no_encoding_wchar,
62 mbfl_filt_conv_common_ctor,
63 mbfl_filt_conv_common_dtor,
64 mbfl_filt_conv_8bit_wchar,
65 mbfl_filt_conv_common_flush
66 };
67
68 const struct mbfl_convert_vtbl vtbl_wchar_8bit = {
69 mbfl_no_encoding_wchar,
70 mbfl_no_encoding_8bit,
71 mbfl_filt_conv_common_ctor,
72 mbfl_filt_conv_common_dtor,
73 mbfl_filt_conv_wchar_8bit,
74 mbfl_filt_conv_common_flush
75 };
76
77 #define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
78
mbfl_filt_conv_8bit_wchar(int c,mbfl_convert_filter * filter)79 static int mbfl_filt_conv_8bit_wchar(int c, mbfl_convert_filter *filter)
80 {
81 return (*filter->output_function)(c, filter->data);
82 }
83
mbfl_filt_conv_wchar_8bit(int c,mbfl_convert_filter * filter)84 static int mbfl_filt_conv_wchar_8bit(int c, mbfl_convert_filter *filter)
85 {
86 if (c >= 0 && c < 0x100) {
87 CK((*filter->output_function)(c, filter->data));
88 } else {
89 CK(mbfl_filt_conv_illegal_output(c, filter));
90 }
91
92 return c;
93 }
94
