kstaticdeleter.h

/*
 * This file is part of the KDE Libraries
 * Copyright (C) 2000 Stephan Kulow <coolo@kde.org>
 *               2001 KDE Team
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 *
 */
 
#ifndef _KSTATIC_DELETER_H_
#define _KSTATIC_DELETER_H_
 
#include <tdeglobal.h>
 
class TDECORE_EXPORT KStaticDeleterBase {
public:
    virtual ~KStaticDeleterBase() { }
    virtual void destructObject();
};
 
template<class type> class KStaticDeleter : public KStaticDeleterBase {
public:
    KStaticDeleter() { deleteit = 0; globalReference = 0; array = false; }
    TDE_DEPRECATED type *setObject( type *obj, bool isArray = false) {
        deleteit = obj;
        globalReference = 0;
    array = isArray;
    if (obj)
            TDEGlobal::registerStaticDeleter(this);
    else
        TDEGlobal::unregisterStaticDeleter(this);
        return obj;
    }
    type *setObject( type* & globalRef, type *obj, bool isArray = false) {
        globalReference = &globalRef;
        deleteit = obj;
    array = isArray;
    if (obj)
            TDEGlobal::registerStaticDeleter(this);
    else
        TDEGlobal::unregisterStaticDeleter(this);
        globalRef = obj;
    return obj;
    }
 
    virtual void destructObject() {
        if (globalReference)
           *globalReference = 0;
    if (array)
       delete [] deleteit;
    else
       delete deleteit;
        deleteit = 0;
    }
    virtual ~KStaticDeleter() {
        TDEGlobal::unregisterStaticDeleter(this);
    destructObject();
    }
private:
    type *deleteit;
    type **globalReference;
    bool array;
};
 
#endif