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/*=========================================================================
Program: KWSys - Kitware System Library
Module: $RCSfile$
Copyright (c) Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef @KWSYS_NAMESPACE@_auto_ptr_hxx
#define @KWSYS_NAMESPACE@_auto_ptr_hxx
namespace @KWSYS_NAMESPACE@
{
template <class X> class auto_ptr;
// The auto_ptr_ref template is supposed to be a private member of
// auto_ptr but Borland 5.8 cannot handle it.
template <class Y> struct auto_ptr_ref
{
auto_ptr<Y>& p_;
explicit auto_ptr_ref(auto_ptr<Y>& p): p_(p) {}
};
// C++98 Standard Section 20.4.5 - Template class auto_ptr.
template <class X>
class auto_ptr
{
X* x_;
public:
typedef X element_type;
template <class Y>
auto_ptr(auto_ptr<Y>& a) throw(): x_(a.release()) {}
template <class Y>
auto_ptr& operator=(auto_ptr<Y>& a) throw()
{ reset(a.release()); return *this; }
explicit auto_ptr(X* p=0) throw(): x_(p) {}
auto_ptr(auto_ptr& a) throw(): x_(a.release()) {}
auto_ptr& operator=(auto_ptr& a) throw() { reset(a.release()); return *this; }
~auto_ptr() throw() { delete get(); }
X& operator*() const throw() { return *get(); }
X* operator->() const throw() { return get(); }
X* get() const throw() { return x_; }
X* release() throw() { X* x = x_; x_ = 0; return x; }
void reset(X* p=0) throw() { if(get() != p) { delete get(); x_ = p; } }
auto_ptr(auto_ptr_ref<X> r) throw(): x_(r.p_.release()) {}
template <class Y> operator auto_ptr_ref<Y>() throw() { return auto_ptr_ref<Y>(*this); }
template <class Y> operator auto_ptr<Y>() throw() { return release(); }
auto_ptr& operator=(auto_ptr_ref<X> r) throw() { x_ = r.p_.release(); return *this; }
};
} // namespace @KWSYS_NAMESPACE@
#endif
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