1 /* $Id: macenc.c,v 1.1 2003/12/03 20:48:32 simon Exp $ */
2 /*
3 * Copyright (c) 2003 Ben Harris
4 * All rights reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person
7 * obtaining a copy of this software and associated documentation
8 * files (the "Software"), to deal in the Software without
9 * restriction, including without limitation the rights to use,
10 * copy, modify, merge, publish, distribute, sublicense, and/or
11 * sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following
13 * conditions:
14 *
15 * The above copyright notice and this permission notice shall be
16 * included in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
23 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
24 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 * SOFTWARE.
26 */
27 /*
28 * macenc.c -- Convert a Mac OS script/region/font combination to our
29 * internal charset code.
30 */
31
32 #include <string.h>
33
34 #include "charset.h"
35 #include "internal.h"
36
37 /*
38 * These are defined by Mac OS's <Script.h>, but we'd like to be
39 * independent of that.
40 */
41
42 #define smRoman 0
43 #define smJapanese 1
44 #define smTradChinese 2
45 #define smKorean 3
46 #define smArabic 4
47 #define smHebrew 5
48 #define smCyrillic 7
49 #define smDevenagari 9
50 #define smGurmukhi 10
51 #define smGujurati 11
52 #define smThai 21
53 #define smSimpChinese 25
54 #define smTibetan 26
55 #define smEthiopic 28
56 #define smCentralEuroRoman 29
57
58 #define verGreece 20
59 #define verIceland 21
60 #define verTurkey 24
61 #define verYugoCroatian 25
62 #define verRomania 39
63 #define verFaroeIsl 47
64 #define verIran 48
65 #define verRussia 49
66 #define verSlovenian 66
67 #define verCroatia 68
68 #define verBulgaria 72
69 #define verScottishGaelic 75
70 #define verManxGaelic 76
71 #define verBreton 77
72 #define verNunavut 78
73 #define verWelsh 79
74 #define verIrishGaelicScript 81
75
76 static const struct {
77 int script;
78 int region;
79 int sysvermin;
80 char const *fontname;
81 int charset;
82 } macencs[] = {
83 { smRoman, -1, 0x850, "VT100", CS_MAC_VT100 },
84 { smRoman, -1, 0, "VT100", CS_MAC_VT100_OLD },
85 /*
86 * From here on, this table is largely derived from
87 * <http://www.unicode.org/Public/MAPPINGS/VENDORS/APPLE/README.TXT>,
88 * with _OLD version added based on the comments in individual
89 * mapping files.
90 */
91 { smRoman, -1, 0, "Symbol", CS_MAC_SYMBOL },
92 { smRoman, -1, 0, "Zapf Dingbats", CS_MAC_DINGBATS },
93 { smRoman, verTurkey, 0, NULL, CS_MAC_TURKISH },
94 { smRoman, verYugoCroatian, 0x850, NULL, CS_MAC_CROATIAN },
95 { smRoman, verYugoCroatian, 0, NULL, CS_MAC_CROATIAN_OLD },
96 { smRoman, verSlovenian, 0x850, NULL, CS_MAC_CROATIAN },
97 { smRoman, verSlovenian, 0, NULL, CS_MAC_CROATIAN_OLD },
98 { smRoman, verCroatia, 0x850, NULL, CS_MAC_CROATIAN },
99 { smRoman, verCroatia, 0, NULL, CS_MAC_CROATIAN_OLD },
100 { smRoman, verIceland, 0x850, NULL, CS_MAC_ICELAND },
101 { smRoman, verIceland, 0, NULL, CS_MAC_ICELAND_OLD },
102 { smRoman, verFaroeIsl, 0x850, NULL, CS_MAC_ICELAND },
103 { smRoman, verFaroeIsl, 0, NULL, CS_MAC_ICELAND_OLD },
104 { smRoman, verRomania, 0x850, NULL, CS_MAC_ROMANIAN },
105 { smRoman, verRomania, 0, NULL, CS_MAC_ROMANIAN_OLD },
106 #if 0 /* No mapping table on ftp.unicode.org */
107 { smRoman, verIreland, 0x850, NULL, CS_MAC_CELTIC },
108 { smRoman, verIreland, 0, NULL, CS_MAC_CELTIC_OLD },
109 { smRoman, verScottishGaelic, 0x850, NULL, CS_MAC_CELTIC },
110 { smRoman, verScottishGaelic, 0, NULL, CS_MAC_CELTIC_OLD },
111 { smRoman, verManxGaelic, 0x850, NULL, CS_MAC_CELTIC },
112 { smRoman, verManxGaelic, 0, NULL, CS_MAC_CELTIC_OLD },
113 { smRoman, verBreton, 0x850, NULL, CS_MAC_CELTIC },
114 { smRoman, verBreton, 0, NULL, CS_MAC_CELTIC_OLD },
115 { smRoman, verWelsh, 0x850, NULL, CS_MAC_CELTIC },
116 { smRoman, verWelsh, 0, NULL, CS_MAC_CELTIC_OLD },
117 { smRoman, verIrishGaelicScript, 0x850, NULL, CS_MAC_GAELIC },
118 { smRoman, verIrishGaelicScript, 0, NULL, CS_MAC_GAELIC_OLD },
119 #endif
120 { smRoman, verGreece, 0x922, NULL, CS_MAC_GREEK },
121 { smRoman, verGreece, 0, NULL, CS_MAC_GREEK_OLD },
122 { smRoman, -1, 0x850, NULL, CS_MAC_ROMAN },
123 { smRoman, -1, 0, NULL, CS_MAC_ROMAN_OLD },
124 #if 0 /* Multi-byte encodings, not yet supported */
125 { smJapanese, -1, 0, NULL, CS_MAC_JAPANESE },
126 { smTradChinese, -1, 0, NULL, CS_MAC_CHINTRAD },
127 { smKorean, -1, 0, NULL, CS_MAC_KOREAN },
128 #endif
129 #if 0 /* Bidirectional encodings, not yet supported */
130 { smArabic, verIran, 0, NULL, CS_MAC_FARSI },
131 { smArabic, -1, 0, NULL, CS_MAC_ARABIC },
132 { smHebrew, -1, 0, NULL, CS_MAC_HEBREW },
133 #endif
134 { smCyrillic, -1, 0x900, NULL, CS_MAC_CYRILLIC },
135 { smCyrillic, verRussia, 0, NULL, CS_MAC_CYRILLIC_OLD },
136 { smCyrillic, verBulgaria, 0, NULL, CS_MAC_CYRILLIC_OLD },
137 { smCyrillic, -1, 0, NULL, CS_MAC_UKRAINE },
138 #if 0 /* Complex Indic scripts, not yet supported */
139 { smDevanagari, -1, 0, NULL, CS_MAC_DEVENAGA },
140 { smGurmukhi, -1, 0, NULL, CS_MAC_GURMUKHI },
141 { smGujurati, -1, 0, NULL, CS_MAC_GUJURATI },
142 #endif
143 { smThai, -1, 0, NULL, CS_MAC_THAI },
144 #if 0 /* Multi-byte encoding, not yet supported */
145 { smSimpChinese, -1, 0, NULL, CS_MAC_CHINSIMP },
146 #endif
147 #if 0 /* No mapping table on ftp.unicode.org */
148 { smTibetan, -1, 0, NULL, CS_MAC_TIBETAN },
149 { smEthiopic, -1, 0, NULL, CS_MAC_ETHIOPIC },
150 { smEthiopic, verNanavut, 0, NULL, CS_MAC_INUIT },
151 #endif
152 { smCentralEuroRoman, -1, 0, NULL, CS_MAC_CENTEURO },
153 };
154
charset_from_macenc(int script,int region,int sysvers,char const * fontname)155 int charset_from_macenc(int script, int region, int sysvers,
156 char const *fontname)
157 {
158 int i;
159
160 for (i = 0; i < (int)lenof(macencs); i++)
161 if ((macencs[i].script == script) &&
162 (macencs[i].region < 0 || macencs[i].region == region) &&
163 (macencs[i].sysvermin <= sysvers) &&
164 (macencs[i].fontname == NULL ||
165 (fontname != NULL && strcmp(macencs[i].fontname, fontname) == 0)))
166 return macencs[i].charset;
167
168 return CS_NONE;
169 }
170