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_8.h"
36 : #include "unicode_table_iso8859_8.h"
37 :
38 : static const char *mbfl_encoding_8859_8_aliases[] = {"ISO_8859-8", "hebrew", NULL};
39 :
40 : const mbfl_encoding mbfl_encoding_8859_8 = {
41 : mbfl_no_encoding_8859_8,
42 : "ISO-8859-8",
43 : "ISO-8859-8",
44 : (const char *(*)[])&mbfl_encoding_8859_8_aliases,
45 : NULL,
46 : MBFL_ENCTYPE_SBCS
47 : };
48 :
49 : const struct mbfl_identify_vtbl vtbl_identify_8859_8 = {
50 : mbfl_no_encoding_8859_8,
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_8_wchar = {
57 : mbfl_no_encoding_8859_8,
58 : mbfl_no_encoding_wchar,
59 : mbfl_filt_conv_common_ctor,
60 : mbfl_filt_conv_common_dtor,
61 : mbfl_filt_conv_8859_8_wchar,
62 : mbfl_filt_conv_common_flush
63 : };
64 :
65 : const struct mbfl_convert_vtbl vtbl_wchar_8859_8 = {
66 : mbfl_no_encoding_wchar,
67 : mbfl_no_encoding_8859_8,
68 : mbfl_filt_conv_common_ctor,
69 : mbfl_filt_conv_common_dtor,
70 : mbfl_filt_conv_wchar_8859_8,
71 : mbfl_filt_conv_common_flush
72 : };
73 :
74 : #define CK(statement) do { if ((statement) < 0) return (-1); } while (0)
75 :
76 : /*
77 : * ISO-8859-8 => wchar
78 : */
79 : int mbfl_filt_conv_8859_8_wchar(int c, mbfl_convert_filter *filter)
80 3 : {
81 : int s;
82 :
83 3 : if (c >= 0 && c < 0xa0) {
84 0 : s = c;
85 6 : } else if (c >= 0xa0 && c < 0x100) {
86 3 : s = iso8859_8_ucs_table[c - 0xa0];
87 3 : if (s <= 0) {
88 0 : s = c;
89 0 : s &= MBFL_WCSPLANE_MASK;
90 0 : s |= MBFL_WCSPLANE_8859_8;
91 : }
92 : } else {
93 0 : s = c;
94 0 : s &= MBFL_WCSGROUP_MASK;
95 0 : s |= MBFL_WCSGROUP_THROUGH;
96 : }
97 :
98 3 : CK((*filter->output_function)(s, filter->data));
99 :
100 3 : return c;
101 : }
102 :
103 : /*
104 : * wchar => ISO-8859-8
105 : */
106 : int mbfl_filt_conv_wchar_8859_8(int c, mbfl_convert_filter *filter)
107 0 : {
108 : int s, n;
109 :
110 0 : if (c >= 0 && c < 0xa0) {
111 0 : s = c;
112 : } else {
113 0 : s = -1;
114 0 : n = 95;
115 0 : while (n >= 0) {
116 0 : if (c == iso8859_8_ucs_table[n]) {
117 0 : s = 0xa0 + n;
118 0 : break;
119 : }
120 0 : n--;
121 : }
122 0 : if (s <= 0 && (c & ~MBFL_WCSPLANE_MASK) == MBFL_WCSPLANE_8859_8) {
123 0 : s = c & MBFL_WCSPLANE_MASK;
124 : }
125 : }
126 :
127 0 : if (s >= 0) {
128 0 : CK((*filter->output_function)(s, filter->data));
129 : } else {
130 0 : if (filter->illegal_mode != MBFL_OUTPUTFILTER_ILLEGAL_MODE_NONE) {
131 0 : CK(mbfl_filt_conv_illegal_output(c, filter));
132 : }
133 : }
134 :
135 0 : return c;
136 : }
137 :
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