109 lines
1.7 KiB
C++
109 lines
1.7 KiB
C++
//-----------------------------------------------------------------------------+
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// Copyright (C), 1998-2007, Beijing Tangent Software Co. Ltd.
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// = FileName : TLoopList 模板类
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// = Version : ver2.0
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// = Author : wlw
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// = CreateDate : 2002-09-09
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// = Description: TLoopList 声明
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// = Maintainers:
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//
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//-----------------------------------------------------------------------------+
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#ifndef _TLOOPLIST_H_
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#define _TLOOPLIST_H_
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#ifndef _TDPTRLIST_H_
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#include "TDPtrList.h"
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#endif
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template <class R>
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class TLoopList : public TDPtrList<R>
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{
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public:
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TLoopList();
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~TLoopList(){}
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R * operator [](int n);
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const R & operator [](int n) const;
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const R & GetAt(int n) const;
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R * GetAt(int n);
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void RemoveNode(int n);
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};
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template <class R>
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TLoopList<R>::TLoopList()
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{
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}
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namespace
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{
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int _LimitCycle(int n, int nLen)
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{
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if (n < 0)
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{
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n += nLen;
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}
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else if (n >= nLen)
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{
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n -= nLen;
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}
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else
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{
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return n;
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}
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return _LimitCycle(n, nLen);
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}
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}
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template <class R>
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R * TLoopList<R>::operator [](int n)
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{
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int nLen=this->Length();
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n = _LimitCycle(n, nLen);
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return TDPtrList<R>::operator[](n);
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}
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template <class R>
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const R & TLoopList<R>::operator [](int n) const
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{
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int nLen=this->Length();
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n = _LimitCycle(n, nLen);
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const TDPtrList<R> &rThis=*this;
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return rThis[n];
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}
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template <class R>
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R * TLoopList<R>::GetAt(int n)
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{
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int nLen = this->Length();
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n = _LimitCycle(n, nLen);
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return TDPtrList<R>::GetAt(n);
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}
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template <class R>
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const R & TLoopList<R>::GetAt(int n) const
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{
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int nLen = this->Length();
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n = _LimitCycle(n, nLen);
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const TDPtrList<R> &rThis = *this;
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return rThis.GetAt(n);
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}
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template <class R>
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void TLoopList<R>::RemoveNode(int n)
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{
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(*this)[n];
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this->Remove();
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}
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#endif
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