mirror of https://github.com/CGAL/cgal
103 lines
2.2 KiB
C++
103 lines
2.2 KiB
C++
// Copyright (c) 2001,2002,2003 Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland), Freie Universitaet Berlin (Germany),
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// INRIA Sophia-Antipolis (France), Martin-Luther-University Halle-Wittenberg
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// (Germany), Max-Planck-Institute Saarbruecken (Germany), RISC Linz (Austria),
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// and Tel-Aviv University (Israel). All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; version 2.1 of the License.
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// See the file LICENSE.LGPL distributed with CGAL.
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//
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// Licensees holding a valid commercial license may use this file in
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// accordance with the commercial license agreement provided with the software.
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//
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// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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//
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// $Source$
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// $Revision$ $Date$
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// $Name$
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//
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// Author(s) : Sylvain Pion
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#ifndef CGAL_SIMPLE_HANDLE_FOR_H
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#define CGAL_SIMPLE_HANDLE_FOR_H
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CGAL_BEGIN_NAMESPACE
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template < class Stored >
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class Simple_Handle_for
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{
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public:
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typedef Stored element_type;
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Simple_Handle_for()
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{}
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Simple_Handle_for(const Stored& rc)
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: _s(rc) {}
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Simple_Handle_for&
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operator=(const Stored& rc)
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{
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_s = rc;
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return *this;
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}
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void
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initialize_with(const Stored& rc)
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{
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_s = rc;
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}
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long int
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id() const
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{ return reinterpret_cast<long int>(&_s); }
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bool
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identical(const Simple_Handle_for& h) const
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{ return id() == h.id(); } // Or should it always return false ?
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const Stored * Ptr() const
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{ return &_s; }
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Stored * Ptr()
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{ return &_s; }
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const Stored * ptr() const
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{ return &_s; }
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Stored * ptr()
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{ return &_s; }
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bool
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is_shared() const
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{
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return false;
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}
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void
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swap(Simple_Handle_for &h)
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{
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using std::swap;
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swap(_s, h._s);
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}
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private:
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Stored _s;
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};
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template < class Stored >
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inline
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void
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swap(Simple_Handle_for<Stored> &h1, Simple_Handle_for<Stored> &h2)
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{
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h1.swap(h2);
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}
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CGAL_END_NAMESPACE
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#endif // CGAL_SIMPLE_HANDLE_FOR_H
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