59 lines
1.9 KiB
C++
59 lines
1.9 KiB
C++
/*=========================================================================
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Program: KWSys - Kitware System Library
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Module: $RCSfile$
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Copyright (c) Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#ifndef @KWSYS_NAMESPACE@_auto_ptr_hxx
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#define @KWSYS_NAMESPACE@_auto_ptr_hxx
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namespace @KWSYS_NAMESPACE@
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{
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// C++98 Standard Section 20.4.5 - Template class auto_ptr.
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template <class X>
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class auto_ptr
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{
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template <class Y> struct auto_ptr_ref
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{
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auto_ptr<Y>& p_;
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explicit auto_ptr_ref(auto_ptr<Y>& p): p_(p) {}
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};
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X* x_;
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public:
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typedef X element_type;
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template <class Y>
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auto_ptr(auto_ptr<Y>& a) throw(): x_(a.release()) {}
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template <class Y>
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auto_ptr& operator=(auto_ptr<Y>& a) throw()
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{ reset(a.release()); return *this; }
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explicit auto_ptr(X* p=0) throw(): x_(p) {}
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auto_ptr(auto_ptr& a) throw(): x_(a.release()) {}
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auto_ptr& operator=(auto_ptr& a) throw() { reset(a.release()); return *this; }
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~auto_ptr() throw() { delete get(); }
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X& operator*() const throw() { return *get(); }
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X* operator->() const throw() { return get(); }
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X* get() const throw() { return x_; }
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X* release() throw() { X* x = x_; x_ = 0; return x; }
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void reset(X* p=0) throw() { if(get() != p) { delete get(); x_ = p; } }
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auto_ptr(auto_ptr_ref<X> r) throw(): x_(r.p_.release()) {}
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template <class Y> operator auto_ptr_ref<Y>() throw() { return *this; }
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template <class Y> operator auto_ptr<Y>() throw() { return release(); }
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auto_ptr& operator=(auto_ptr_ref<X> r) throw() { x_ = r.p_.release(); return *this; }
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};
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} // namespace @KWSYS_NAMESPACE@
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#endif
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