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/*
* Copyright (C) 2010 Nokia <ivan.frade@nokia.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; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include <locale.h>
#include <string.h>
#include <glib.h>
#include "tracker-locale.h"
/* Current locales in use. They will be stored in heap and available throughout
* the whole program execution, so will be reported as still reachable by Valgrind.
*/
static gchar *current_locales[TRACKER_LOCALE_LAST];
static const gchar *locale_names[TRACKER_LOCALE_LAST] = {
"TRACKER_LOCALE_LANGUAGE",
"TRACKER_LOCALE_TIME",
"TRACKER_LOCALE_COLLATE",
"TRACKER_LOCALE_NUMERIC",
"TRACKER_LOCALE_MONETARY"
};
/* Already initialized? */
static gboolean initialized;
static GRecMutex locales_mutex;
const gchar*
tracker_locale_get_name (guint i)
{
g_return_val_if_fail (i < TRACKER_LOCALE_LAST, NULL);
return locale_names[i];
}
void
tracker_locale_set (TrackerLocaleID id,
const gchar *value)
{
g_rec_mutex_lock (&locales_mutex);
if (current_locales[id]) {
g_debug ("Locale '%s' was changed from '%s' to '%s'",
locale_names[id],
current_locales[id],
value);
g_free (current_locales[id]);
} else {
g_debug ("Locale '%s' was set to '%s'",
locale_names[id],
value);
}
/* Store the new one */
current_locales[id] = g_strdup (value);
/* And also set the new one in the corresponding envvar */
switch (id) {
case TRACKER_LOCALE_LANGUAGE:
g_setenv ("LANG", value, TRUE);
break;
case TRACKER_LOCALE_TIME:
setlocale (LC_TIME, value);
break;
case TRACKER_LOCALE_COLLATE:
setlocale (LC_COLLATE, value);
break;
case TRACKER_LOCALE_NUMERIC:
setlocale (LC_NUMERIC, value);
break;
case TRACKER_LOCALE_MONETARY:
setlocale (LC_MONETARY, value);
break;
case TRACKER_LOCALE_LAST:
/* Make compiler happy */
g_warn_if_reached ();
break;
}
g_rec_mutex_unlock (&locales_mutex);
}
void
tracker_locale_init (void)
{
guint i;
/* Initialize those not retrieved from gconf, or if not in meegotouch */
for (i = 0; i < TRACKER_LOCALE_LAST; i++) {
if (!current_locales[i]) {
const gchar *env_locale = NULL;
switch (i) {
case TRACKER_LOCALE_LANGUAGE:
env_locale = g_getenv ("LANG");
break;
case TRACKER_LOCALE_TIME:
env_locale = setlocale (LC_TIME, NULL);
break;
case TRACKER_LOCALE_COLLATE:
env_locale = setlocale (LC_COLLATE, NULL);
break;
case TRACKER_LOCALE_NUMERIC:
env_locale = setlocale (LC_NUMERIC, NULL);
break;
case TRACKER_LOCALE_MONETARY:
env_locale = setlocale (LC_MONETARY, NULL);
break;
case TRACKER_LOCALE_LAST:
/* Make compiler happy. The for loop avoids
* this from happening. */
break;
}
if (!env_locale) {
g_warning ("Locale '%d' is not set, defaulting to C locale", i);
tracker_locale_set (i, "C");
} else {
tracker_locale_set (i, env_locale);
}
}
}
/* So we're initialized */
initialized = TRUE;
}
void
tracker_locale_shutdown (void)
{
gint i;
for (i = 0; i < TRACKER_LOCALE_LAST; i++) {
g_free (current_locales[i]);
current_locales[i] = NULL;
}
initialized = FALSE;
}
gchar *
tracker_locale_get (TrackerLocaleID id)
{
gchar *locale;
g_return_val_if_fail (initialized, NULL);
g_rec_mutex_lock (&locales_mutex);
/* Always return a duplicated string, as the locale may change at any
* moment */
locale = g_strdup (current_locales[id]);
g_rec_mutex_unlock (&locales_mutex);
return locale;
}
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