summaryrefslogtreecommitdiff
path: root/app/tools/halibut/charset/macenc.c
blob: 584b034dba2f0cf25466e1f355cc7b7fef5609ef (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
/* $Id: macenc.c,v 1.1 2007-04-07 07:39:13 m_fischer Exp $ */
/*
 * Copyright (c) 2003 Ben Harris
 * All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 * 
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
/*
 * macenc.c -- Convert a Mac OS script/region/font combination to our
 * internal charset code.
 */

#include <string.h>

#include "charset.h"
#include "internal.h"

/*
 * These are defined by Mac OS's <Script.h>, but we'd like to be
 * independent of that.
 */

#define smRoman			0
#define smJapanese		1
#define smTradChinese		2
#define smKorean		3
#define smArabic		4
#define smHebrew		5
#define smCyrillic		7
#define smDevenagari		9
#define smGurmukhi		10
#define smGujurati		11
#define smThai			21
#define smSimpChinese		25
#define smTibetan		26
#define smEthiopic		28
#define smCentralEuroRoman	29

#define verGreece		20
#define verIceland		21
#define verTurkey		24
#define verYugoCroatian		25
#define verRomania		39
#define verFaroeIsl		47
#define verIran			48
#define verRussia		49
#define verSlovenian		66
#define verCroatia		68
#define verBulgaria		72
#define verScottishGaelic	75
#define verManxGaelic		76
#define verBreton		77
#define verNunavut		78
#define verWelsh		79
#define verIrishGaelicScript	81

static const struct {
    int script;
    int region;
    int sysvermin;
    char const *fontname;
    int charset;
} macencs[] = {
    { smRoman, -1,                   0x850, "VT100", CS_MAC_VT100 },
    { smRoman, -1,                   0,     "VT100", CS_MAC_VT100_OLD },
    /*
     * From here on, this table is largely derived from
     * <http://www.unicode.org/Public/MAPPINGS/VENDORS/APPLE/README.TXT>,
     * with _OLD version added based on the comments in individual
     * mapping files.
     */
    { smRoman, -1,                   0,     "Symbol", CS_MAC_SYMBOL },
    { smRoman, -1,                   0,     "Zapf Dingbats", CS_MAC_DINGBATS },
    { smRoman, verTurkey,            0,     NULL,    CS_MAC_TURKISH },
    { smRoman, verYugoCroatian,      0x850, NULL,    CS_MAC_CROATIAN },
    { smRoman, verYugoCroatian,      0,     NULL,    CS_MAC_CROATIAN_OLD },
    { smRoman, verSlovenian,         0x850, NULL,    CS_MAC_CROATIAN },
    { smRoman, verSlovenian,         0,     NULL,    CS_MAC_CROATIAN_OLD },
    { smRoman, verCroatia,           0x850, NULL,    CS_MAC_CROATIAN },
    { smRoman, verCroatia,           0,     NULL,    CS_MAC_CROATIAN_OLD },
    { smRoman, verIceland,           0x850, NULL,    CS_MAC_ICELAND },
    { smRoman, verIceland,           0,     NULL,    CS_MAC_ICELAND_OLD },
    { smRoman, verFaroeIsl,          0x850, NULL,    CS_MAC_ICELAND },
    { smRoman, verFaroeIsl,          0,     NULL,    CS_MAC_ICELAND_OLD },
    { smRoman, verRomania,           0x850, NULL,    CS_MAC_ROMANIAN },
    { smRoman, verRomania,           0,     NULL,    CS_MAC_ROMANIAN_OLD },
#if 0 /* No mapping table on ftp.unicode.org */
    { smRoman, verIreland,           0x850, NULL,    CS_MAC_CELTIC },
    { smRoman, verIreland,           0,     NULL,    CS_MAC_CELTIC_OLD },
    { smRoman, verScottishGaelic,    0x850, NULL,    CS_MAC_CELTIC },
    { smRoman, verScottishGaelic,    0,     NULL,    CS_MAC_CELTIC_OLD },
    { smRoman, verManxGaelic,        0x850, NULL,    CS_MAC_CELTIC },
    { smRoman, verManxGaelic,        0,     NULL,    CS_MAC_CELTIC_OLD },
    { smRoman, verBreton,            0x850, NULL,    CS_MAC_CELTIC },
    { smRoman, verBreton,            0,     NULL,    CS_MAC_CELTIC_OLD },
    { smRoman, verWelsh,             0x850, NULL,    CS_MAC_CELTIC },
    { smRoman, verWelsh,             0,     NULL,    CS_MAC_CELTIC_OLD },
    { smRoman, verIrishGaelicScript, 0x850, NULL,    CS_MAC_GAELIC },
    { smRoman, verIrishGaelicScript, 0,     NULL,    CS_MAC_GAELIC_OLD },
#endif
    { smRoman, verGreece,            0x922, NULL,    CS_MAC_GREEK },
    { smRoman, verGreece,            0,     NULL,    CS_MAC_GREEK_OLD },
    { smRoman, -1,                   0x850, NULL,    CS_MAC_ROMAN },
    { smRoman, -1,                   0,     NULL,    CS_MAC_ROMAN_OLD },
#if 0 /* Multi-byte encodings, not yet supported */
    { smJapanese,    -1,             0,     NULL,    CS_MAC_JAPANESE },
    { smTradChinese, -1,             0,     NULL,    CS_MAC_CHINTRAD },
    { smKorean,      -1,             0,     NULL,    CS_MAC_KOREAN },
#endif
#if 0 /* Bidirectional encodings, not yet supported */
    { smArabic, verIran,             0,     NULL,    CS_MAC_FARSI },
    { smArabic, -1,                  0,     NULL,    CS_MAC_ARABIC },
    { smHebrew, -1,                  0,     NULL,    CS_MAC_HEBREW },
#endif
    { smCyrillic, -1,                0x900, NULL,    CS_MAC_CYRILLIC },
    { smCyrillic, verRussia,         0,     NULL,    CS_MAC_CYRILLIC_OLD },
    { smCyrillic, verBulgaria,       0,     NULL,    CS_MAC_CYRILLIC_OLD },
    { smCyrillic, -1,                0,     NULL,    CS_MAC_UKRAINE },
#if 0 /* Complex Indic scripts, not yet supported */
    { smDevanagari, -1,              0,     NULL,    CS_MAC_DEVENAGA },
    { smGurmukhi, -1,                0,     NULL,    CS_MAC_GURMUKHI },
    { smGujurati, -1,                0,     NULL,    CS_MAC_GUJURATI },
#endif
    { smThai,  -1,                   0,     NULL,    CS_MAC_THAI },
#if 0 /* Multi-byte encoding, not yet supported */
    { smSimpChinese, -1,             0,     NULL,    CS_MAC_CHINSIMP },
#endif
#if 0 /* No mapping table on ftp.unicode.org */
    { smTibetan, -1,                 0,     NULL,    CS_MAC_TIBETAN },
    { smEthiopic, -1,                0,     NULL,    CS_MAC_ETHIOPIC },
    { smEthiopic, verNanavut,        0,     NULL,    CS_MAC_INUIT },
#endif
    { smCentralEuroRoman, -1,        0,     NULL,    CS_MAC_CENTEURO },
};

int charset_from_macenc(int script, int region, int sysvers,
			char const *fontname)
{
    int i;

    for (i = 0; i < (int)lenof(macencs); i++)
	if ((macencs[i].script == script) &&
	    (macencs[i].region < 0 || macencs[i].region == region) &&
	    (macencs[i].sysvermin <= sysvers) &&
	    (macencs[i].fontname == NULL ||
	     (fontname != NULL && strcmp(macencs[i].fontname, fontname) == 0)))
	    return macencs[i].charset;

    return CS_NONE;
}