qd_named_object_indexer.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef QDENGINE_QDCORE_QD_NAMED_OBJECT_INDEXER_H
#define QDENGINE_QDCORE_QD_NAMED_OBJECT_INDEXER_H

#include "qdengine/qdcore/qd_named_object_reference.h"


namespace QDEngine {

class qdNamedObjectIndexer {
public:
    qdNamedObjectIndexer();
    ~qdNamedObjectIndexer();

    void resolve_references();
    qdNamedObjectReference &add_reference(qdNamedObject *&p);

    void clear();

    static qdNamedObjectIndexer &instance();

private:

    class qdNamedObjectReferenceLink {
    public:
        qdNamedObjectReferenceLink(qdNamedObject *&p) : _object(p) { }
        ~qdNamedObjectReferenceLink() { }

        bool resolve();

        qdNamedObjectReference &reference() {
            return _reference;
        }

    private:

        qdNamedObjectReference _reference;
        qdNamedObject *&_object;
    };

    typedef Std::list<qdNamedObjectReferenceLink> link_container_t;
    link_container_t _links;
};

} // namespace QDEngine

#endif // QDENGINE_QDCORE_QD_NAMED_OBJECT_INDEXER_H