luc14n0/glib
1
0
Fork 0
mirror of https://gitlab.gnome.org/GNOME/glib.git synced 2025-02-24 03:02:10 +01:00
Code Issues Packages Projects Releases Wiki Activity

Implement reset in the memory backend

Browse Source 
Needs testing, though.
This commit is contained in:
Vincent Untz 2010-04-15 13:17:22 -04:00
parent a469a3d068
commit 106716d8ec
1 changed files with 89 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

89
gio/gmemorysettingsbackend.c
View File

@ -122,6 +122,94 @@ g_memory_settings_backend_write_keys (GSettingsBackend *backend,
g_settings_backend_changed_tree (backend, tree, origin_tag);
}
static void
g_memory_settings_backend_reset_path (GMemorySettingsBackend *memory,
const gchar *path,
gpointer origin_tag)
{
GPtrArray *reset_array;
GList *hash_keys;
GList *l;
gboolean changed;
gchar **groups = NULL;
gsize groups_nb = 0;
int i;
reset_array = g_ptr_array_new_with_free_func (g_free);
hash_keys = g_hash_table_get_keys (memory->priv->table);
for (l = hash_keys; l != NULL; l = l->next)
{
if (g_str_has_prefix (l->data, path))
{
g_hash_table_remove (memory->priv->table, l->data);
g_ptr_array_add (reset_array, g_strdup (l->data));
}
}
g_list_free (hash_keys);
changed = FALSE;
groups = g_key_file_get_groups (memory->priv->keyfile, &groups_nb);
for (i = 0; i < groups_nb; i++)
{
if (g_str_has_prefix (groups[i], path))
changed = g_key_file_remove_group (memory->priv->keyfile, groups[i], NULL) || changed;
}
g_strfreev (groups);
if (changed)
g_memory_settings_backend_keyfile_write (memory);
if (reset_array->len > 0)
{
/* the array has to be NULL-terminated */
g_ptr_array_add (reset_array, NULL);
g_settings_backend_keys_changed (G_SETTINGS_BACKEND (memory),
"",
(const gchar **) reset_array->pdata,
origin_tag);
}
g_ptr_array_free (reset_array, TRUE);
}
static void
g_memory_settings_backend_reset_key (GMemorySettingsBackend *memory,
const gchar *key,
gpointer origin_tag)
{
const gchar *slash;
const gchar *base_key;
gchar *path;
g_hash_table_remove (memory->priv->table, key);
slash = strrchr (key, '/');
g_assert (slash != NULL);
base_key = (slash + 1);
path = g_strndup (key, slash - key + 1);
if (g_key_file_remove_key (memory->priv->keyfile, path, base_key, NULL))
g_memory_settings_backend_keyfile_write (memory);
g_free (path);
g_settings_backend_changed (G_SETTINGS_BACKEND (memory), key, origin_tag);
}
static void
g_memory_settings_backend_reset (GSettingsBackend *backend,
const gchar *name,
gpointer origin_tag)
{
GMemorySettingsBackend *memory = G_MEMORY_SETTINGS_BACKEND (backend);
if (name[strlen(name) - 1] == '/')
g_memory_settings_backend_reset_path (memory, name, origin_tag);
else
g_memory_settings_backend_reset_key (memory, name, origin_tag);
}
static gboolean
g_memory_settings_backend_get_writable (GSettingsBackend *backend,
const gchar *name)
@ -365,6 +453,7 @@ g_memory_settings_backend_class_init (GMemorySettingsBackendClass *class)
backend_class->read = g_memory_settings_backend_read;
backend_class->write = g_memory_settings_backend_write;
backend_class->write_keys = g_memory_settings_backend_write_keys;
backend_class->reset = g_memory_settings_backend_reset;
backend_class->get_writable = g_memory_settings_backend_get_writable;
/* No need to implement subscribed/unsubscribe: the only point would be to
* stop monitoring the file when there's no GSettings anymore, which is no