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
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
* This library is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Jeffrey Stedfast <fejj@ximian.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <iconv.h>
enum {
ISO_UNSUPPORTED = 0,
/* iso-8859-1 */
ISO_DASH_D_DASH_D_LOWER = (1 << 0),
ISO_DASH_D_DASH_D = (1 << 1),
ISO_D_DASH_D = (1 << 2),
ISO_D_D = (1 << 3),
ISO_UNDER_D_DASH_D = (1 << 4),
NO_ISO_D_DASH_D = (1 << 5),
/* iso-10646-1 */
/*ISO_DASH_D_DASH_D_LOWER = (1 << 0),*/
/*ISO_DASH_D_DASH_D = (1 << 1),*/
/*ISO_D_DASH_D = (1 << 2),*/
ISO_DASH_D_LOWER = (1 << 3),
ISO_DASH_D = (1 << 4),
ISO_D = (1 << 5),
UCS4 = (1 << 6),
/* iso-2022-jp */
ISO_DASH_D_DASH_S_LOWER = (1 << 0),
ISO_DASH_D_DASH_S = (1 << 1),
ISO_D_DASH_S = (1 << 2),
};
typedef struct {
char *charset;
char *format;
int id;
} CharInfo;
static CharInfo iso8859_tests[] = {
{ "iso-8859-1", "iso-%d-%d", ISO_DASH_D_DASH_D_LOWER },
{ "ISO-8859-1", "ISO-%d-%d", ISO_DASH_D_DASH_D },
{ "ISO8859-1", "ISO%d-%d", ISO_D_DASH_D },
{ "ISO88591", "ISO%d%d", ISO_D_D },
{ "ISO_8859-1", "ISO_%d-%d", ISO_UNDER_D_DASH_D },
{ "8859-1", "%d-%d", NO_ISO_D_DASH_D },
};
static int num_iso8859_tests = sizeof (iso8859_tests) / sizeof (CharInfo);
static CharInfo iso2022_tests[] = {
{ "iso-2022-jp", "iso-%d-%s", ISO_DASH_D_DASH_S_LOWER },
{ "ISO-2022-JP", "ISO-%d-%s", ISO_DASH_D_DASH_S },
{ "ISO2022-JP", "ISO%d-%s", ISO_D_DASH_S },
};
static int num_iso2022_tests = sizeof (iso2022_tests) / sizeof (CharInfo);
static CharInfo iso10646_tests[] = {
{ "iso-10646-1", "iso-%d-%d", ISO_DASH_D_DASH_D_LOWER },
{ "ISO-10646-1", "ISO-%d-%d", ISO_DASH_D_DASH_D },
{ "ISO10646-1", "ISO%d-%d", ISO_D_DASH_D },
{ "iso-10646", "iso-%d", ISO_DASH_D_LOWER },
{ "ISO-10646", "ISO-%d", ISO_DASH_D },
{ "ISO10646", "ISO%d", ISO_D },
{ "UCS-4BE", "UCS-4BE", UCS4 },
};
static int num_iso10646_tests = sizeof (iso10646_tests) / sizeof (CharInfo);
int main (int argc, char **argv)
{
unsigned int iso8859, iso2022, iso10646;
CharInfo *info;
iconv_t cd;
FILE *fp;
int i;
fp = fopen ("iconv-detect.h", "w");
if (fp == NULL)
exit (255);
fprintf (fp, "/* This is an auto-generated header, DO NOT EDIT! */\n\n");
iso8859 = ISO_UNSUPPORTED;
info = iso8859_tests;
/*printf ("#define DEFAULT_ISO_FORMAT(iso,codepage)\t");*/
for (i = 0; i < num_iso8859_tests; i++) {
cd = iconv_open (info[i].charset, "UTF-8");
if (cd != (iconv_t) -1) {
iconv_close (cd);
/*printf ("(\"%s\", (iso), (codepage))\n", info[i].format);*/
fprintf (stderr, "System prefers %s\n", info[i].charset);
iso8859 = info[i].id;
break;
}
}
if (iso8859 == ISO_UNSUPPORTED) {
fprintf (stderr, "System doesn't support any ISO-8859-1 formats\n");
fprintf (fp, "#define ICONV_ISO_D_FORMAT \"%s\"\n", info[0].format);
#ifdef CONFIGURE_IN
exit (1);
#endif
} else {
fprintf (fp, "#define ICONV_ISO_D_FORMAT \"%s\"\n", info[i].format);
}
iso2022 = ISO_UNSUPPORTED;
info = iso2022_tests;
/*printf ("#define ISO_2022_FORMAT(iso,codepage)\t");*/
for (i = 0; i < num_iso2022_tests; i++) {
cd = iconv_open (info[i].charset, "UTF-8");
if (cd != (iconv_t) -1) {
iconv_close (cd);
/*printf ("(\"%s\", (iso), (codepage))\n", info[i].format);*/
fprintf (stderr, "System prefers %s\n", info[i].charset);
iso2022 = info[i].id;
break;
}
}
if (iso2022 == ISO_UNSUPPORTED) {
fprintf (stderr, "System doesn't support any ISO-2022 formats\n");
fprintf (fp, "#define ICONV_ISO_S_FORMAT \"%s\"\n", info[0].format);
#ifdef CONFIGURE_IN
exit (3);
#endif
} else {
fprintf (fp, "#define ICONV_ISO_S_FORMAT \"%s\"\n", info[i].format);
}
iso10646 = ISO_UNSUPPORTED;
info = iso10646_tests;
/*printf ("#define ISO_10646_FORMAT(iso,codepage)\t");*/
for (i = 0; i < num_iso10646_tests; i++) {
cd = iconv_open (info[i].charset, "UTF-8");
if (cd != (iconv_t) -1) {
iconv_close (cd);
/*if (info[i].id < ISO_DASH_D_LOWER)
printf ("(\"%s\", (iso), (codepage))\n", info[i].format);
else
printf ("(\"%s\", (iso))\n", info[i].format);*/
fprintf (stderr, "System prefers %s\n", info[i].charset);
iso10646 = info[i].id;
break;
}
}
/* we don't need a printf format for iso-10646 because there is only 1 */
if (iso10646 == ISO_UNSUPPORTED) {
fprintf (stderr, "System doesn't support any ISO-10646-1 formats\n");
fprintf (fp, "#define ICONV_10646 \"%s\"\n", info[0].charset);
#ifdef CONFIGURE_IN
exit (2);
#endif
} else {
fprintf (fp, "#define ICONV_10646 \"%s\"\n", info[i].charset);
}
fclose (fp);
exit (0);
}
|
