MEM_RefCounted.h

Go to the documentation of this file.

/*
 * $Id: MEM_RefCounted.h 35156 2011-02-25 11:47:18Z jesterking $
 * ***** 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