hxlist.h

著名的 helix realplayer 基于手机 symbian 系统的 播放器全套源代码

/* ***** BEGIN LICENSE BLOCK ***** 
 * Version: RCSL 1.0/RPSL 1.0 
 *  
 * Portions Copyright (c) 1995-2002 RealNetworks, Inc. All Rights Reserved. 
 *      
 * The contents of this file, and the files included with this file, are 
 * subject to the current version of the RealNetworks Public Source License 
 * Version 1.0 (the "RPSL") available at 
 * http://www.helixcommunity.org/content/rpsl unless you have licensed 
 * the file under the RealNetworks Community Source License Version 1.0 
 * (the "RCSL") available at http://www.helixcommunity.org/content/rcsl, 
 * in which case the RCSL will apply. You may also obtain the license terms 
 * directly from RealNetworks.  You may not use this file except in 
 * compliance with the RPSL or, if you have a valid RCSL with RealNetworks 
 * applicable to this file, the RCSL.  Please see the applicable RPSL or 
 * RCSL for the rights, obligations and limitations governing use of the 
 * contents of the file.  
 *  
 * This file is part of the Helix DNA Technology. RealNetworks is the 
 * developer of the Original Code and owns the copyrights in the portions 
 * it created. 
 *  
 * This file, and the files included with this file, is distributed and made 
 * available on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND REALNETWORKS HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS 
 * FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * 
 * Technology Compatibility Kit Test Suite(s) Location: 
 *    http://www.helixcommunity.org/content/tck 
 * 
 * Contributor(s): 
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 * ***** END LICENSE BLOCK ***** */ 

#ifndef HELIX_LIST_H
#define HELIX_LIST_H

#include "hxslist.h"

template<class T>
class HLXList
{
public:
    HLXList();
    ~HLXList();

    int GetCount() const;
    bool IsEmpty() const;
    
    void AddHead(const T& value);
    void AddTail(const T& value);

    void RemoveHead();
    void RemoveTail();
    void RemoveAll();

    bool Find(const T& value);

private:
    CHXSimpleList m_rep;
};

template<class T>
inline
HLXList<T>::HLXList()
{}

template<class T>
inline
HLXList<T>::~HLXList()
{
    RemoveAll();
}

template<class T>
inline
int HLXList<T>::GetCount() const
{
    return m_rep.GetCount();
}

template<class T>
inline
bool HLXList<T>::IsEmpty() const
{
    return m_rep.IsEmpty();
}

template<class T>
inline
void HLXList<T>::AddHead(const T& value)
{
    m_rep.AddHead(new T(value));
}

template<class T>
inline
void HLXList<T>::AddTail(const T& value)
{
    m_rep.AddTail(new T(value));
}

template<class T>
inline
void HLXList<T>::RemoveHead()
{
    delete (T*)m_rep.RemoveHead();
}

template<class T>
inline
void HLXList<T>::RemoveTail()
{
    delete (T*)m_rep.RemoveTail();
}

template<class T>
inline
void HLXList<T>::RemoveAll()
{
    LISTPOSITION pos = m_rep.GetHeadPosition();

    while(pos)
	delete (T*)m_rep.GetNext(pos);;

    m_rep.RemoveAll();
}

template<class T>
inline
bool HLXList<T>::Find(const T& value)
{
    bool ret = false;

    LISTPOSITION pos = m_rep.GetHeadPosition();

    while(!ret && pos)
    {
	if (*((T*)m_rep.GetNext(pos)) == value)
	    ret = true;
    }
    
    return ret;
}
#endif // HELIX_LIST_H