Exemplo n.º 1
0
	Node* Next()
	{
		if (state == 0) {
			state = 1;
			node = directory->Parent();
			if (node == NULL)
				node = directory;
			return node;
		}

		if (state == 1) {
			node = directory->FirstChild();
			state = 2;
		} else {
			if (node != NULL)
				node = directory->NextChild(node);
		}

		if (node == NULL) {
			if (registered) {
				directory->RemoveDirectoryIterator(this);
				registered = false;
			}

			return NULL;
		}

		if (!registered) {
			directory->AddDirectoryIterator(this);
			registered = true;
		}

		return node;
	}
Exemplo n.º 2
0
	void Rewind()
	{
		if (registered)
			directory->RemoveDirectoryIterator(this);
		registered = false;

		state = 0;
		node = directory;
	}
Exemplo n.º 3
0
	~DirectoryCookie()
	{
		if (registered)
			directory->RemoveDirectoryIterator(this);
	}