//-----------------------------------------------------------------------------+
// Copyright (C), 1998-2007, SH Software Co. Ltd.
// = FileName	:   LoopList Ä£°åÀà
// = Version	:   ver2.0
// = Author		:   zjq
// = CreateDate	:   2002-09-09
// = Description:   LoopList ÉùÃ÷
// = Maintainers: 
//                  
//-----------------------------------------------------------------------------+
#ifndef _LoopList_H_
#define _LoopList_H_

#ifndef _DLIST_H_
#include "DList.h"
#endif

#include "xglobalfunc.h"

template <class R>
class LoopList : public DList<R> 
{
public:

	LoopList();
	~LoopList(){}

	R * operator [](int n);
	
	const R & operator [](int n) const;


	const R & GetAt(int n) const;
	R * GetAt(int n);

	void RemoveNode(int n);
	
};

template <class R>
LoopList<R>::LoopList()
{
	
}

template <class R>
R * LoopList<R>::operator [](int n)
{
	int nLen=this->Length();
	n = XExport::LimitCycle(n, nLen);
	return DList<R>::operator[](n);
}

template <class R>
const R & LoopList<R>::operator [](int n) const 
{
	int nLen=this->Length();
	n = XExport::LimitCycle(n, nLen);
	const DList<R> &rThis=*this;
	return rThis[n];
}

template <class R>
R * LoopList<R>::GetAt(int n)
{
	int nLen = this->Length();
	n = XExport::LimitCycle(n, nLen);
	return DList<R>::GetAt(n);
}

template <class R>
const R & LoopList<R>::GetAt(int n) const 
{
	int nLen = this->Length();
	n = XExport::LimitCycle(n, nLen);
	const DList<R> &rThis = *this;
	return rThis.GetAt(n);
}

template <class R>
void LoopList<R>::RemoveNode(int n) 
{
	(*this)[n];
	this->Remove();
}


#endif