src/qsa/src/engine/qsreference.h

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/****************************************************************************
** $Id: qsreference.h  1.1.5   edited 2006-12-05T14:19:25$
**
** Copyright (C) 2001-2006 Trolltech AS.  All rights reserved.
**
** This file is part of the Qt Script for Applications framework (QSA).
**
** 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 a valid Qt Script for Applications license may use
** this file in accordance with the Qt Script for Applications License
** Agreement provided with the Software.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about QSA Commercial License Agreements.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
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*****************************************************************************/

#ifndef QSREFERENCE_H
#define QSREFERENCE_H

#include "qsobject.h"
#include "qsclass.h"

class QSReference
{
public:
  QSReference() : cls(0) { }
  QSReference(const QSObject &b, const QSMember &m, const QSClass *c)
    : bs(b), mem(m), cls(c) { }
  QSReference(const QSObject &b) : bs(b), cls(0) { }

  bool isWritable() const {
    return isReference() && mem.isWritable();
  }
  bool isDefined() const {
    return isReference() && mem.isDefined();
  }
  bool isReference() const {
    return cls != 0;
  }
  QSObject base() const {
    return bs;
  }
  QSMember member() const {
    return mem;
  }
  //     void setBase( const QSObject &b ) { bs = b; }
  void setIdentifier(const QString &i) {
    ident = i;
  }
  QString identifier() const {
    return ident;
  }
  QSObject dereference() const;
  void assign(const QSObject &o);
  bool deleteProperty();

private:
  QSObject bs;
  QSMember mem;
  const QSClass *cls;
  QString ident;
};

#endif