mirror of https://github.com/qt/qtdatavis3d.git
63 lines
1.2 KiB
C++
63 lines
1.2 KiB
C++
#ifndef _XN_QUEUE_T_H_
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#define _XN_QUEUE_T_H_
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//---------------------------------------------------------------------------
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// Includes
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//---------------------------------------------------------------------------
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#include <XnListT.h>
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//---------------------------------------------------------------------------
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// Code
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//---------------------------------------------------------------------------
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template<class T, class TAlloc = XnLinkedNodeDefaultAllocatorT<T> >
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class XnQueueT : protected XnListT<T, TAlloc>
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{
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public:
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typedef XnListT<T, TAlloc> Base;
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XnQueueT() : Base() {}
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XnQueueT(const XnQueueT& other) : Base()
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{
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*this = other;
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}
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XnQueueT& operator=(const XnQueueT& other)
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{
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Base::operator=(other);
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// no other members
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return *this;
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}
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~XnQueueT() {}
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using Base::ConstIterator;
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using Base::IsEmpty;
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XnStatus Push(T const& value)
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{
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return Base::AddLast(value);
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}
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XnStatus Pop(T& value)
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{
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Iterator it = Begin();
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if (it == End())
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{
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return XN_STATUS_IS_EMPTY;
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}
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value = *it;
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return Base::Remove(it);
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}
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T const& Top() const { return *Begin(); }
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T& Top() { return *Begin(); }
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using Base::Begin;
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using Base::End;
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using Base::Size;
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};
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#endif // _XN_QUEUE_T_H_
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