/usr/include/ni/XnQueueT.h is in libopenni-dev 1.5.4.0-14build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | #ifndef _XN_QUEUE_T_H_
#define _XN_QUEUE_T_H_
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include <XnListT.h>
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
template<class T, class TAlloc = XnLinkedNodeDefaultAllocatorT<T> >
class XnQueueT : protected XnListT<T, TAlloc>
{
public:
typedef XnListT<T, TAlloc> Base;
XnQueueT() : Base() {}
XnQueueT(const XnQueueT& other) : Base()
{
*this = other;
}
XnQueueT& operator=(const XnQueueT& other)
{
Base::operator=(other);
// no other members
return *this;
}
~XnQueueT() {}
using Base::ConstIterator;
using Base::IsEmpty;
XnStatus Push(T const& value)
{
return Base::AddLast(value);
}
XnStatus Pop(T& value)
{
Iterator it = Begin();
if (it == End())
{
return XN_STATUS_IS_EMPTY;
}
value = *it;
return Base::Remove(it);
}
T const& Top() const { return *Begin(); }
T& Top() { return *Begin(); }
using Base::Begin;
using Base::End;
using Base::Size;
};
#endif // _XN_QUEUE_T_H_
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