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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 "i18n.h"
#include <assert.h>
#include <string.h>
#include <glib.h>
extern void screen_status_printf(const char *format, ...);
static bool noconvert = true;
void
charset_init(bool disable)
{
noconvert = disable;
}
size_t
my_strlen(const char *str)
{
assert(str != NULL);
if (g_utf8_validate(str, -1, NULL)) {
size_t len = g_utf8_strlen(str, -1);
size_t 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
return strlen(str);
}
char *
utf8_to_locale(const char *utf8str)
{
gchar *str;
gsize rb, wb;
GError *error;
assert(utf8str != NULL);
if (noconvert)
return g_strdup(utf8str);
rb = 0; /* bytes read */
wb = 0; /* bytes written */
error = NULL;
str = g_locale_from_utf8(utf8str,
strlen(utf8str),
&wb, &rb,
&error);
if (error) {
const char *charset;
g_get_charset(&charset);
screen_status_printf(_("Error: Unable to convert characters to %s"),
charset);
g_error_free(error);
return g_strdup(utf8str);
}
return str;
}
char *
locale_to_utf8(const char *localestr)
{
gchar *str;
gsize rb, wb;
GError *error;
assert(localestr != NULL);
if (noconvert)
return g_strdup(localestr);
rb = 0; /* bytes read */
wb = 0; /* bytes written */
error = NULL;
str = g_locale_to_utf8(localestr,
strlen(localestr),
&wb, &rb,
&error);
if (error) {
screen_status_printf(_("Error: Unable to convert characters to UTF-8"));
g_error_free(error);
return g_strdup(localestr);
}
return str;
}
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