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qcollection.h

/****************************************************************************
** $Id: qt/src/tools/qcollection.h   2.2.1   edited 2000-09-17 $
**
** Definition of base class for all collection classes
**
** Created : 920629
**
** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** licenses may use this file in accordance with the Qt Commercial License
** Agreement provided with the Software.
**
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** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************/

#ifndef QCOLLECTION_H
#define QCOLLECTION_H

#ifndef QT_H
#include "qglobal.h"
#endif // QT_H


class QGVector;
class QGList;
class QGDict;


class Q_EXPORT QCollection                      // inherited by all collections
{
public:
    bool autoDelete()   const          { return del_item; }
    void setAutoDelete( bool enable )  { del_item = enable; }

    virtual uint  count() const = 0;
    virtual void  clear() = 0;                  // delete all objects

    typedef void *Item;                         // generic collection item

protected:
    QCollection() { del_item = FALSE; }         // no deletion of objects
    QCollection(const QCollection &) { del_item = FALSE; }
    virtual ~QCollection() {}

    bool del_item;                              // default FALSE

    virtual Item     newItem( Item );           // create object
    virtual void     deleteItem( Item );        // delete object
};


#endif // QCOLLECTION_H