// -*- c-basic-offset: 2 -*-
/*
 *  This file is part of the KDE libraries
 *  Copyright (C) 2003 Apple Computer, Inc
 *
 *  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 KJS_REFERENCE_LIST_H_
#define KJS_REFERENCE_LIST_H_

#include "reference.h"

namespace KJS {

  class ReferenceListNode;
  class ReferenceListHeadNode;

  class ReferenceList {
  public:
    ReferenceList();
    ReferenceList(const ReferenceList &list);
    ReferenceList &operator=(const ReferenceList &list);
    ~ReferenceList();

    void append(const Reference& val);
    int length();

    ReferenceListIterator begin() const;
    ReferenceListIterator end() const;
    
  private:
    void swap(ReferenceList &list);
    ReferenceListHeadNode *head;
    ReferenceListNode *tail;
  }; 

  class ReferenceListIterator {
      friend class ReferenceList;
      
  public:
      bool operator!=(const ReferenceListIterator &it) const;
      const Reference *operator->() const;
      const Reference &operator++(int i);
      
  private:
      ReferenceListIterator(const ReferenceList&, ReferenceListNode*);
      ReferenceListIterator();
      ReferenceList list; // hang on to the list to ensure it's not destroyed while we iterate
      ReferenceListNode *node;
  };
  
}

#endif