mirror of https://github.com/qt/qtdatavis3d.git
81 lines
1.7 KiB
C++
81 lines
1.7 KiB
C++
#ifndef _XN_CYCLIC_STACK_T_H_
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#define _XN_CYCLIC_STACK_T_H_
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//---------------------------------------------------------------------------
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// Includes
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//---------------------------------------------------------------------------
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#include "XnStackT.h"
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//---------------------------------------------------------------------------
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// Code
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//---------------------------------------------------------------------------
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template<class T, XnUInt32 TDefaultMaxDepth, class TAlloc = XnLinkedNodeDefaultAllocatorT<T> >
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class XnCyclicStackT : protected XnStackT<T, TAlloc>
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{
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public:
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typedef XnStackT<T, TAlloc> Base;
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XnCyclicStackT(XnUInt32 nMaxDepth = TDefaultMaxDepth) : Base(), m_nMaxDepth(nMaxDepth) {}
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XnCyclicStackT(const XnCyclicStackT& other) : Base(other)
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{
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*this = other;
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}
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XnCyclicStackT& operator=(const XnCyclicStackT& other)
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{
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Base::operator=(other);
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m_nMaxDepth = other.m_nMaxDepth;
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return *this;
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}
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~XnCyclicStackT() {}
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using typename Base::ConstIterator;
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using Base::Remove;
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using Base::IsEmpty;
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using Base::Size;
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XnStatus SetMaxSize(XnUInt32 nMaxSize)
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{
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XnStatus nRetVal = XN_STATUS_OK;
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while (Size() > nMaxSize)
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{
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nRetVal = Remove(this->ReverseBegin());
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XN_IS_STATUS_OK(nRetVal);
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}
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m_nMaxDepth = nMaxSize;
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return (XN_STATUS_OK);
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}
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XnStatus Push(T const& value)
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{
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XnStatus nRetVal = XN_STATUS_OK;
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if (Size() == m_nMaxDepth)
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{
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nRetVal = Remove(this->ReverseBegin());
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XN_IS_STATUS_OK(nRetVal);
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}
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nRetVal = Base::Push(value);
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XN_IS_STATUS_OK(nRetVal);
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return (XN_STATUS_OK);
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}
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using Base::Pop;
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using Base::Top;
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using Base::Begin;
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using Base::End;
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protected:
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XnUInt32 m_nMaxDepth;
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};
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#endif // _XN_CYCLIC_STACK_T_H_
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