C++ (Cpp) strset_rewind示例

示例#1

文件： dbUtils.c 项目： GunioRobot/mpd

int listAllUniqueTags(struct client *client, int type,
		      const struct locate_item_list *criteria)
{
	int ret;
	ListCommandItem *item = newListCommandItem(type, criteria);
	struct list_tags_data data = {
		.client = client,
		.item = item,
	};

	if (type >= 0 && type <= TAG_NUM_OF_ITEM_TYPES) {
		data.set = strset_new();
	}

	ret = db_walk(NULL, listUniqueTagsInDirectory, NULL, &data);

	if (type >= 0 && type <= TAG_NUM_OF_ITEM_TYPES) {
		const char *value;

		strset_rewind(data.set);

		while ((value = strset_next(data.set)) != NULL)
			client_printf(client, "%s: %s\n",
				      tag_item_names[type],
				      value);

		strset_free(data.set);
	}

	freeListCommandItem(item);

	return ret;
}

示例#2

文件： db_print.c 项目： mvasilkov/mpd

bool
listAllUniqueTags(struct client *client, int type,
		  const struct locate_item_list *criteria,
		  GError **error_r)
{
	ListCommandItem *item = newListCommandItem(type, criteria);
	struct list_tags_data data = {
		.client = client,
		.item = item,
	};

	if (type >= 0 && type <= TAG_NUM_OF_ITEM_TYPES) {
		data.set = strset_new();
	}

	if (!db_walk("", &unique_tags_visitor, &data, error_r)) {
		freeListCommandItem(item);
		return false;
	}

	if (type >= 0 && type <= TAG_NUM_OF_ITEM_TYPES) {
		const char *value;

		strset_rewind(data.set);

		while ((value = strset_next(data.set)) != NULL)
			client_printf(client, "%s: %s\n",
				      tag_item_names[type],
				      value);

		strset_free(data.set);
	}

	freeListCommandItem(item);

	return true;
}