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