te_references_counter.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 TETRAEDGE_TE_TE_REFERENCES_COUNTER_H
#define TETRAEDGE_TE_TE_REFERENCES_COUNTER_H
 
namespace Tetraedge {
 
class TeReferencesCounter {
public:
    TeReferencesCounter() : _refCount(0) {};
    virtual ~TeReferencesCounter() {};
 
    bool decrementCounter() {
        if (_refCount) {
            _refCount--;
            return _refCount == 0;
        }
        return false;
    }
 
    void incrementCounter() {
        _refCount++;
    }
 
    void resetCounter() {
        _refCount = 0;
    }
 
private:
    int _refCount;
};
 
} // end namespace Tetraedge
 
#endif // TETRAEDGE_TE_TE_REFERENCES_COUNTER_H