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