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.
27 *
28 */
29
30 #ifdef HAVE_CONFIG_H
31 #include "config.h"
32 #endif
33
34 #include "mbfilter.h"
35 #include "mbfilter_iso8859_3.h"
36 #include "unicode_table_iso8859_3.h"
37
38 static const char *mbfl_encoding_8859_3_aliases[] = {"ISO_8859-3", "latin3", NULL};
39
40 const mbfl_encoding mbfl_encoding_8859_3 = {
41 mbfl_no_encoding_8859_3,
42 "ISO-8859-3",
43 "ISO-8859-3",
44 (const char *(*)[])&mbfl_encoding_8859_3_aliases,
45 NULL,
46 MBFL_ENCTYPE_SBCS
47 };
48
49 const struct mbfl_identify_vtbl vtbl_identify_8859_3 = {
50 mbfl_no_encoding_8859_3,
51 mbfl_filt_ident_common_ctor,
52 mbfl_filt_ident_common_dtor,
53 mbfl_filt_ident_true
54 };
55
56 const struct mbfl_convert_vtbl vtbl_8859_3_wchar = {
57 mbfl_no_encoding_8859_3,
58 mbfl_no_encoding_wchar,
59 mbfl_filt_conv_common_ctor,
60 mbfl_filt_conv_common_dtor,
61 mbfl_filt_conv_8859_3_wchar,
62 mbfl_filt_conv_common_flush
63 };
64
65 const struct mbfl_convert_vtbl vtbl_wchar_8859_3 = {
66 mbfl_no_encoding_wchar,
67 mbfl_no_encoding_8859_3,
68 mbfl_filt_conv_common_ctor,
69 mbfl_filt_conv_common_dtor,
70 mbfl_filt_conv_wchar_8859_3,
71 mbfl_filt_conv_common_flush
72 };
73
74
75 #define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
76
77 /*
78 * ISO-8859-3 => wchar
79 */
mbfl_filt_conv_8859_3_wchar(int c,mbfl_convert_filter * filter)80 int mbfl_filt_conv_8859_3_wchar(int c, mbfl_convert_filter *filter)
81 {
82 int s;
83
84 if (c >= 0 && c < 0xa0) {
85 s = c;
86 } else if (c >= 0xa0 && c < 0x100) {
87 s = iso8859_3_ucs_table[c - 0xa0];
88 if (s <= 0) {
89 s = c;
90 s &= MBFL_WCSPLANE_MASK;
91 s |= MBFL_WCSPLANE_8859_3;
92 }
93 } else {
94 s = c;
95 s &= MBFL_WCSGROUP_MASK;
96 s |= MBFL_WCSGROUP_THROUGH;
97 }
98
99 CK((*filter->output_function)(s, filter->data));
100
101 return c;
102 }
103
104 /*
105 * wchar => ISO-8859-3
106 */
mbfl_filt_conv_wchar_8859_3(int c,mbfl_convert_filter * filter)107 int mbfl_filt_conv_wchar_8859_3(int c, mbfl_convert_filter *filter)
108 {
109 int s, n;
110
111 if (c >= 0 && c < 0xa0) {
112 s = c;
113 } else {
114 s = -1;
115 n = 95;
116 while (n >= 0) {
117 if (c == iso8859_3_ucs_table[n]) {
118 s = 0xa0 + n;
119 break;
120 }
121 n--;
122 }
123 if (s <= 0 && (c & ~MBFL_WCSPLANE_MASK) == MBFL_WCSPLANE_8859_3) {
124 s = c & MBFL_WCSPLANE_MASK;
125 }
126 }
127
128 if (s >= 0) {
129 CK((*filter->output_function)(s, filter->data));
130 } else {
131 if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
132 CK(mbfl_filt_conv_illegal_output(c, filter));
133 }
134 }
135
136 return c;
137 }
138
139
140
