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 #include "mbfilter.h"
31 #include "mbfilter_iso8859_8.h"
32 #include "unicode_table_iso8859_8.h"
33
34 static const char *mbfl_encoding_8859_8_aliases[] = {"ISO8859-8", "hebrew", NULL};
35
36 const mbfl_encoding mbfl_encoding_8859_8 = {
37 mbfl_no_encoding_8859_8,
38 "ISO-8859-8",
39 "ISO-8859-8",
40 (const char *(*)[])&mbfl_encoding_8859_8_aliases,
41 NULL,
42 MBFL_ENCTYPE_SBCS,
43 &vtbl_8859_8_wchar,
44 &vtbl_wchar_8859_8
45 };
46
47 const struct mbfl_identify_vtbl vtbl_identify_8859_8 = {
48 mbfl_no_encoding_8859_8,
49 mbfl_filt_ident_common_ctor,
50 mbfl_filt_ident_true
51 };
52
53 const struct mbfl_convert_vtbl vtbl_8859_8_wchar = {
54 mbfl_no_encoding_8859_8,
55 mbfl_no_encoding_wchar,
56 mbfl_filt_conv_common_ctor,
57 NULL,
58 mbfl_filt_conv_8859_8_wchar,
59 mbfl_filt_conv_common_flush,
60 NULL,
61 };
62
63 const struct mbfl_convert_vtbl vtbl_wchar_8859_8 = {
64 mbfl_no_encoding_wchar,
65 mbfl_no_encoding_8859_8,
66 mbfl_filt_conv_common_ctor,
67 NULL,
68 mbfl_filt_conv_wchar_8859_8,
69 mbfl_filt_conv_common_flush,
70 NULL,
71 };
72
73 #define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
74
75 /*
76 * ISO-8859-8 => wchar
77 */
mbfl_filt_conv_8859_8_wchar(int c,mbfl_convert_filter * filter)78 int mbfl_filt_conv_8859_8_wchar(int c, mbfl_convert_filter *filter)
79 {
80 int s;
81
82 if (c >= 0 && c < 0xa0) {
83 s = c;
84 } else if (c >= 0xa0 && c < 0x100) {
85 s = iso8859_8_ucs_table[c - 0xa0];
86 if (s <= 0) {
87 s = c;
88 s &= MBFL_WCSPLANE_MASK;
89 s |= MBFL_WCSPLANE_8859_8;
90 }
91 } else {
92 s = c;
93 s &= MBFL_WCSGROUP_MASK;
94 s |= MBFL_WCSGROUP_THROUGH;
95 }
96
97 CK((*filter->output_function)(s, filter->data));
98
99 return c;
100 }
101
102 /*
103 * wchar => ISO-8859-8
104 */
mbfl_filt_conv_wchar_8859_8(int c,mbfl_convert_filter * filter)105 int mbfl_filt_conv_wchar_8859_8(int c, mbfl_convert_filter *filter)
106 {
107 int s, n;
108
109 if (c >= 0 && c < 0xa0) {
110 s = c;
111 } else {
112 s = -1;
113 n = 95;
114 while (n >= 0) {
115 if (c == iso8859_8_ucs_table[n]) {
116 s = 0xa0 + n;
117 break;
118 }
119 n--;
120 }
121 if (s <= 0 && (c & ~MBFL_WCSPLANE_MASK) == MBFL_WCSPLANE_8859_8) {
122 s = c & MBFL_WCSPLANE_MASK;
123 }
124 }
125
126 if (s >= 0) {
127 CK((*filter->output_function)(s, filter->data));
128 } else {
129 CK(mbfl_filt_conv_illegal_output(c, filter));
130 }
131
132 return c;
133 }
134
