C++ (Cpp) as_component_get_provided Examples

Example #1

File: as-data-pool.c Project: lucasmoura/appstream

/**
 * as_data_pool_get_components_by_provided_item:
 * @dpool: An instance of #AsDataPool.
 * @kind: An #AsProvidesKind
 * @item: The value of the provided item.
 * @error: A #GError or %NULL.
 *
 * Find components in the AppStream data pool whcih provide a certain item.
 *
 * Returns: (element-type AsComponent) (transfer full): an array of #AsComponent objects which have been found.
 */
GPtrArray*
as_data_pool_get_components_by_provided_item (AsDataPool *dpool,
					      AsProvidedKind kind,
					      const gchar *item,
					      GError **error)
{
	AsDataPoolPrivate *priv = GET_PRIVATE (dpool);
	GHashTableIter iter;
	gpointer value;
	GPtrArray *results;

	if (item == NULL) {
		g_set_error_literal (error,
					AS_DATA_POOL_ERROR,
					AS_DATA_POOL_ERROR_TERM_INVALID,
					"Search term must not be NULL.");
		return NULL;
	}

	results = g_ptr_array_new_with_free_func (g_object_unref);
	g_hash_table_iter_init (&iter, priv->cpt_table);
	while (g_hash_table_iter_next (&iter, NULL, &value)) {
		g_autoptr(GList) provided = NULL;
		GList *l;
		AsComponent *cpt = AS_COMPONENT (value);

		provided = as_component_get_provided (cpt);
		for (l = provided; l != NULL; l = l->next) {
			AsProvided *prov = AS_PROVIDED (l->data);
			if (kind != AS_PROVIDED_KIND_UNKNOWN) {
				/* check if the kind matches. an unknown kind matches all provides types */
				if (as_provided_get_kind (prov) != kind)
					continue;
			}

			if (as_provided_has_item (prov, item))
				g_ptr_array_add (results, g_object_ref (cpt));
		}
	}

	return results;
}

Example #2

File: as-pool.c Project: iainlane/appstream

/**
 * as_pool_get_components_by_provided_item:
 * @pool: An instance of #AsPool.
 * @kind: An #AsProvidesKind
 * @item: The value of the provided item.
 *
 * Find components in the AppStream data pool whcih provide a certain item.
 *
 * Returns: (transfer container) (element-type AsComponent): an array of #AsComponent objects which have been found.
 */
GPtrArray*
as_pool_get_components_by_provided_item (AsPool *pool,
					      AsProvidedKind kind,
					      const gchar *item)
{
	AsPoolPrivate *priv = GET_PRIVATE (pool);
	GHashTableIter iter;
	gpointer value;
	GPtrArray *results;

	/* sanity check */
	g_return_val_if_fail (item != NULL, NULL);

	results = g_ptr_array_new_with_free_func (g_object_unref);
	g_hash_table_iter_init (&iter, priv->cpt_table);
	while (g_hash_table_iter_next (&iter, NULL, &value)) {
		GPtrArray *provided = NULL;
		guint i;
		AsComponent *cpt = AS_COMPONENT (value);

		provided = as_component_get_provided (cpt);
		for (i = 0; i < provided->len; i++) {
			AsProvided *prov = AS_PROVIDED (g_ptr_array_index (provided, i));
			if (kind != AS_PROVIDED_KIND_UNKNOWN) {
				/* check if the kind matches. an unknown kind matches all provides types */
				if (as_provided_get_kind (prov) != kind)
					continue;
			}

			if (as_provided_has_item (prov, item))
				g_ptr_array_add (results, g_object_ref (cpt));
		}
	}

	return results;
}