MEM_RefCounted.h

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/*
 * ***** BEGIN GPL LICENSE BLOCK *****
 *
 * 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 2
 * 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, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
 * All rights reserved.
 *
 * The Original Code is: all of this file.
 *
 * Contributor(s): none yet.
 *
 * ***** END GPL LICENSE BLOCK *****
 */

#ifndef MEM_REFCOUNTED_H
#define MEM_REFCOUNTED_H

class MEM_RefCounted {
public:
    MEM_RefCounted() : m_refCount(1)
    {
    }

    inline virtual int getRef() const;

    inline virtual int incRef();

    inline virtual int decRef();

protected:
    virtual ~MEM_RefCounted()
    {
    }

protected:
    int m_refCount;
};


inline int MEM_RefCounted::getRef() const
{
    return m_refCount;
}

inline int MEM_RefCounted::incRef()
{
    return ++m_refCount;
}

inline int MEM_RefCounted::decRef()
{
    m_refCount--;
    if (m_refCount == 0) {
        delete this;
        return 0;
    }
    return m_refCount;
}

#endif // MEM_REFCOUNTED_H