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 #include <stddef.h>
32
33 #include "mbfilter.h"
34
35 const struct mbfl_convert_vtbl vtbl_8bit_wchar;
36 const struct mbfl_convert_vtbl vtbl_wchar_8bit;
37 static int mbfl_filt_conv_8bit_wchar(int c, mbfl_convert_filter *filter);
38 static int mbfl_filt_conv_wchar_8bit(int c, mbfl_convert_filter *filter);
39
40 static const char *mbfl_encoding_8bit_aliases[] = {"binary", NULL};
41
42 const mbfl_encoding mbfl_encoding_8bit = {
43 mbfl_no_encoding_8bit,
44 "8bit",
45 "8bit",
46 (const char *(*)[])&mbfl_encoding_8bit_aliases,
47 NULL,
48 MBFL_ENCTYPE_SBCS,
49 &vtbl_8bit_wchar,
50 &vtbl_wchar_8bit
51 };
52
53 const struct mbfl_convert_vtbl vtbl_8bit_wchar = {
54 mbfl_no_encoding_8bit,
55 mbfl_no_encoding_wchar,
56 mbfl_filt_conv_common_ctor,
57 NULL,
58 mbfl_filt_conv_8bit_wchar,
59 mbfl_filt_conv_common_flush,
60 NULL,
61 };
62
63 const struct mbfl_convert_vtbl vtbl_wchar_8bit = {
64 mbfl_no_encoding_wchar,
65 mbfl_no_encoding_8bit,
66 mbfl_filt_conv_common_ctor,
67 NULL,
68 mbfl_filt_conv_wchar_8bit,
69 mbfl_filt_conv_common_flush,
70 NULL,
71 };
72
73 #define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
74
mbfl_filt_conv_8bit_wchar(int c,mbfl_convert_filter * filter)75 static int mbfl_filt_conv_8bit_wchar(int c, mbfl_convert_filter *filter)
76 {
77 return (*filter->output_function)(c, filter->data);
78 }
79
mbfl_filt_conv_wchar_8bit(int c,mbfl_convert_filter * filter)80 static int mbfl_filt_conv_wchar_8bit(int c, mbfl_convert_filter *filter)
81 {
82 if (c >= 0 && c < 0x100) {
83 CK((*filter->output_function)(c, filter->data));
84 } else {
85 CK(mbfl_filt_conv_illegal_output(c, filter));
86 }
87
88 return c;
89 }
90
