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/*
* (c) 2006 by Kalle Wallin <kaw@linux.se>
* Copyright (C) 2008 Max Kellermann <max@duempel.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include "charset.h"
#include <assert.h>
#include <string.h>
#include <glib.h>
#ifdef HAVE_LOCALE_H
static bool noconvert = true;
static const char *charset;
const char *
charset_init(void)
{
noconvert = g_get_charset(&charset);
return charset;
return NULL;
}
#endif
unsigned
utf8_width(const char *str)
{
assert(str != NULL);
#ifdef HAVE_LOCALE_H
if (g_utf8_validate(str, -1, NULL)) {
size_t len = g_utf8_strlen(str, -1);
unsigned width = 0;
gunichar c;
while (len--) {
c = g_utf8_get_char(str);
width += g_unichar_iswide(c) ? 2 : 1;
str += g_unichar_to_utf8(c, NULL);
}
return width;
} else
#endif
return strlen(str);
}
char *
utf8_to_locale(const char *utf8str)
{
#ifdef HAVE_LOCALE_H
gchar *str;
GError *error;
assert(utf8str != NULL);
if (noconvert)
return g_strdup(utf8str);
str = g_convert_with_fallback(utf8str, -1,
charset, "utf-8",
NULL, NULL, NULL,
&error);
if (str == NULL) {
g_error_free(error);
return g_strdup(utf8str);
}
return str;
#else
return g_strdup(utf8str);
#endif
}
char *
locale_to_utf8(const char *localestr)
{
#ifdef HAVE_LOCALE_H
gchar *str;
GError *error;
assert(localestr != NULL);
if (noconvert)
return g_strdup(localestr);
str = g_convert_with_fallback(localestr, -1,
"utf-8", charset,
NULL, NULL, NULL,
&error);
if (str == NULL) {
g_error_free(error);
return g_strdup(localestr);
}
return str;
#else
return g_strdup(localestr);
#endif
}
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