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/*
* mate-gsettings.c: helper API for GSettings
*
* Copyright (C) 2013 Stefano Karapetsas
* Copyright (C) 2013-2021 MATE Developers
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
* Authors:
* Stefano Karapetsas <stefano@karapetsas.com>
*/
#include "mate-gsettings.h"
/**
* mate_gsettings_schema_exists:
* @schema: schema to check.
*
* Check if a given schema is installed in GSettings.
*
* Return value: TRUE if schema exists, FALSE if not.
*
* Since: 1.7.1
*/
gboolean
mate_gsettings_schema_exists (const gchar* schema)
{
GSettingsSchemaSource *schema_source;
GSettingsSchema *schema_schema;
gboolean schema_exists;
schema_source = g_settings_schema_source_get_default();
schema_schema = g_settings_schema_source_lookup (schema_source, schema, FALSE);
schema_exists = (schema_schema != NULL);
if (schema_schema)
g_settings_schema_unref (schema_schema);
return schema_exists;
}
/* (copied from gnome-panel)
* Adapted from is_valid_keyname() in glib (gio/glib-compile-schemas.c)
* Differences:
* - gettext support removed (we don't need translations here)
* - remove support for allow_any_name
*/
gboolean
mate_gsettings_is_valid_keyname (const gchar *key,
GError **error)
{
gint i;
if (key[0] == '\0')
{
g_set_error_literal (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
"empty names are not permitted");
return FALSE;
}
if (!g_ascii_islower (key[0]))
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
"invalid name '%s': names must begin "
"with a lowercase letter", key);
return FALSE;
}
for (i = 1; key[i]; i++)
{
if (key[i] != '-' &&
!g_ascii_islower (key[i]) &&
!g_ascii_isdigit (key[i]))
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
"invalid name '%s': invalid character '%c'; "
"only lowercase letters, numbers and dash ('-') "
"are permitted.", key, key[i]);
return FALSE;
}
if (key[i] == '-' && key[i + 1] == '-')
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
"invalid name '%s': two successive dashes ('--') "
"are not permitted.", key);
return FALSE;
}
}
if (key[i - 1] == '-')
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
"invalid name '%s': the last character may not be a "
"dash ('-').", key);
return FALSE;
}
if (i > 32)
{
g_set_error (error, G_MARKUP_ERROR, G_MARKUP_ERROR_INVALID_CONTENT,
"invalid name '%s': maximum length is 32", key);
return FALSE;
}
return TRUE;
}
gboolean
mate_gsettings_append_strv (GSettings *settings,
const gchar *key,
const gchar *value)
{
gchar **old;
gchar **new;
gint size;
gboolean retval;
old = g_settings_get_strv (settings, key);
for (size = 0; old[size] != NULL; size++);
size += 1; /* appended value */
size += 1; /* NULL */
new = g_realloc_n (old, size, sizeof (gchar *));
new[size - 2] = g_strdup (value);
new[size - 1] = NULL;
retval = g_settings_set_strv (settings, key,
(const gchar **) new);
g_strfreev (new);
return retval;
}
gboolean
mate_gsettings_remove_all_from_strv (GSettings *settings,
const gchar *key,
const gchar *value)
{
GArray *array;
gchar **old;
gint i;
gboolean retval;
old = g_settings_get_strv (settings, key);
array = g_array_new (TRUE, TRUE, sizeof (gchar *));
for (i = 0; old[i] != NULL; i++) {
if (g_strcmp0 (old[i], value) != 0)
array = g_array_append_val (array, old[i]);
}
retval = g_settings_set_strv (settings, key,
(const gchar **) array->data);
g_strfreev (old);
g_array_free (array, TRUE);
return retval;
}
GSList*
mate_gsettings_strv_to_gslist (const gchar *const *array)
{
GSList *list = NULL;
gint i;
if (array != NULL) {
for (i = 0; array[i]; i++) {
list = g_slist_append (list, g_strdup (array[i]));
}
}
return list;
}
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