1 /*
2 * (c) 2006 by Kalle Wallin <kaw@linux.se>
3 * Copyright (C) 2008 Max Kellermann <max@duempel.org>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 */
20 #include "charset.h"
22 #include <assert.h>
23 #include <string.h>
24 #include <glib.h>
26 #if defined(HAVE_LOCALE_H) && !defined(NCMPC_MINI)
27 static bool noconvert = true;
28 static const char *charset;
30 const char *
31 charset_init(void)
32 {
33 noconvert = g_get_charset(&charset);
34 return charset;
35 return NULL;
36 }
37 #endif
39 unsigned
40 utf8_width(const char *str)
41 {
42 assert(str != NULL);
44 #ifdef ENABLE_WIDE
45 if (g_utf8_validate(str, -1, NULL)) {
46 size_t len = g_utf8_strlen(str, -1);
47 unsigned width = 0;
48 gunichar c;
50 while (len--) {
51 c = g_utf8_get_char(str);
52 width += g_unichar_iswide(c) ? 2 : 1;
53 str += g_unichar_to_utf8(c, NULL);
54 }
56 return width;
57 } else
58 #endif
59 return strlen(str);
60 }
62 char *
63 utf8_to_locale(const char *utf8str)
64 {
65 #if defined(HAVE_LOCALE_H) && !defined(NCMPC_MINI)
66 gchar *str;
68 assert(utf8str != NULL);
70 if (noconvert)
71 return g_strdup(utf8str);
73 str = g_convert_with_fallback(utf8str, -1,
74 charset, "utf-8",
75 NULL, NULL, NULL, NULL);
76 if (str == NULL)
77 return g_strdup(utf8str);
79 return str;
80 #else
81 return g_strdup(utf8str);
82 #endif
83 }
85 char *
86 locale_to_utf8(const char *localestr)
87 {
88 #if defined(HAVE_LOCALE_H) && !defined(NCMPC_MINI)
89 gchar *str;
91 assert(localestr != NULL);
93 if (noconvert)
94 return g_strdup(localestr);
96 str = g_convert_with_fallback(localestr, -1,
97 "utf-8", charset,
98 NULL, NULL, NULL, NULL);
99 if (str == NULL)
100 return g_strdup(localestr);
102 return str;
103 #else
104 return g_strdup(localestr);
105 #endif
106 }