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#include "../gvdb/gvdb-reader.h"
#include "dconf-mock.h"
/* The global dconf_mock_gvdb_tables hashtable is modified all the time
* so we need to hold the lock while we access it.
*
* The hashtables contained within it are never modified, however. They
* can be safely accessed without a lock.
*/
static GHashTable *dconf_mock_gvdb_tables;
static GMutex dconf_mock_gvdb_lock;
typedef struct
{
GVariant *value;
GvdbTable *table;
} DConfMockGvdbItem;
struct _GvdbTable
{
GHashTable *table;
gboolean is_valid;
gboolean top_level;
gint ref_count;
};
static void
dconf_mock_gvdb_item_free (gpointer data)
{
DConfMockGvdbItem *item = data;
if (item->value)
g_variant_unref (item->value);
if (item->table)
gvdb_table_free (item->table);
g_slice_free (DConfMockGvdbItem, item);
}
static void
dconf_mock_gvdb_init (void)
{
if (dconf_mock_gvdb_tables == NULL)
dconf_mock_gvdb_tables = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, (GDestroyNotify) gvdb_table_free);
}
GvdbTable *
dconf_mock_gvdb_table_new (void)
{
GvdbTable *table;
table = g_slice_new (GvdbTable);
table->table = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, dconf_mock_gvdb_item_free);
table->ref_count = 1;
table->is_valid = TRUE;
return table;
}
void
dconf_mock_gvdb_table_insert (GvdbTable *table,
const gchar *name,
GVariant *value,
GvdbTable *subtable)
{
DConfMockGvdbItem *item;
g_assert (value == NULL || subtable == NULL);
if (subtable)
subtable->top_level = FALSE;
item = g_slice_new (DConfMockGvdbItem);
item->value = value ? g_variant_ref_sink (value) : NULL;
item->table = subtable;
g_hash_table_insert (table->table, g_strdup (name), item);
}
void
dconf_mock_gvdb_install (const gchar *filename,
GvdbTable *table)
{
g_mutex_lock (&dconf_mock_gvdb_lock);
dconf_mock_gvdb_init ();
if (table)
{
table->top_level = TRUE;
g_hash_table_insert (dconf_mock_gvdb_tables, g_strdup (filename), table);
}
else
g_hash_table_remove (dconf_mock_gvdb_tables, filename);
g_mutex_unlock (&dconf_mock_gvdb_lock);
}
void
gvdb_table_free (GvdbTable *table)
{
if (g_atomic_int_dec_and_test (&table->ref_count))
{
g_hash_table_unref (table->table);
g_slice_free (GvdbTable, table);
}
}
GvdbTable *
dconf_mock_gvdb_table_ref (GvdbTable *table)
{
g_atomic_int_inc (&table->ref_count);
return table;
}
GvdbTable *
gvdb_table_get_table (GvdbTable *table,
const gchar *key)
{
DConfMockGvdbItem *item;
GvdbTable *subtable;
item = g_hash_table_lookup (table->table, key);
if (item && item->table)
subtable = dconf_mock_gvdb_table_ref (item->table);
else
subtable = NULL;
return subtable;
}
gboolean
gvdb_table_has_value (GvdbTable *table,
const gchar *key)
{
DConfMockGvdbItem *item;
item = g_hash_table_lookup (table->table, key);
return item && item->value;
}
GVariant *
gvdb_table_get_value (GvdbTable *table,
const gchar *key)
{
DConfMockGvdbItem *item;
item = g_hash_table_lookup (table->table, key);
return (item && item->value) ? g_variant_ref (item->value) : NULL;
}
gchar **
gvdb_table_list (GvdbTable *table,
const gchar *key)
{
const gchar * const result[] = { "value", NULL };
g_assert_cmpstr (key, ==, "/");
if (!gvdb_table_has_value (table, "/value"))
return NULL;
return g_strdupv ((gchar **) result);
}
gchar **
gvdb_table_get_names (GvdbTable *table,
gint *length)
{
if (length)
*length = 0;
return g_new0 (gchar *, 0 + 1);
}
GvdbTable *
gvdb_table_new (const gchar *filename,
gboolean trusted,
GError **error)
{
GvdbTable *table;
g_mutex_lock (&dconf_mock_gvdb_lock);
dconf_mock_gvdb_init ();
table = g_hash_table_lookup (dconf_mock_gvdb_tables, filename);
if (table)
dconf_mock_gvdb_table_ref (table);
g_mutex_unlock (&dconf_mock_gvdb_lock);
if (table == NULL)
g_set_error (error, G_FILE_ERROR, G_FILE_ERROR_NOENT, "this gvdb does not exist");
return table;
}
gboolean
gvdb_table_is_valid (GvdbTable *table)
{
return table->is_valid;
}
void
dconf_mock_gvdb_table_invalidate (GvdbTable *table)
{
table->is_valid = FALSE;
}
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