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#ifndef __AI_BOOST_SCOPED_PTR_INCLUDED
#define __AI_BOOST_SCOPED_PTR_INCLUDED
#ifndef BOOST_SCOPED_PTR_HPP_INCLUDED
namespace boost {
// small replacement for boost::scoped_ptr
template <class T>
class scoped_ptr
{
public:
// provide a default construtctor
scoped_ptr()
: ptr(0)
{
}
// construction from an existing heap object of type T
scoped_ptr(T* _ptr)
: ptr(_ptr)
{
}
// automatic destruction of the wrapped object at the
// end of our lifetime
~scoped_ptr()
{
delete ptr;
}
inline T* get() const
{
return ptr;
}
inline operator T*()
{
return ptr;
}
inline T* operator-> ()
{
return ptr;
}
inline void reset (T* t = 0)
{
delete ptr;
ptr = t;
}
void swap(scoped_ptr & b)
{
std::swap(ptr, b.ptr);
}
private:
// encapsulated object pointer
T* ptr;
};
template<class T>
inline void swap(scoped_ptr<T> & a, scoped_ptr<T> & b)
{
a.swap(b);
}
} // end of namespace boost
#else
# error "scoped_ptr.h was already included"
#endif
#endif // __AI_BOOST_SCOPED_PTR_INCLUDED
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