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// Copyright (c) 1999,2000,2001,2002,2003 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you may redistribute it under
// the terms of the Q Public License version 1.0.
// See the file LICENSE.QPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL: svn+ssh://scm.gforge.inria.fr/svn/cgal/branches/CGAL-3.5-branch/Triangulation_2/include/CGAL/Triangulation_ds_vertex_base_2.h $
// $Id: Triangulation_ds_vertex_base_2.h 48844 2009-04-21 18:28:04Z spion $
//
//
// Author(s) : Mariette Yvinec
#ifndef CGAL_TRIANGULATION_DS_VERTEX_BASE_2_H
#define CGAL_TRIANGULATION_DS_VERTEX_BASE_2_H
#include <CGAL/basic.h>
#include <CGAL/Dummy_tds_2.h>
CGAL_BEGIN_NAMESPACE
template < class TDS = void >
class Triangulation_ds_vertex_base_2
{
public:
typedef TDS Triangulation_data_structure;
typedef typename TDS::Face_handle Face_handle;
typedef typename TDS::Vertex_handle Vertex_handle;
template <typename TDS2>
struct Rebind_TDS { typedef Triangulation_ds_vertex_base_2<TDS2> Other; };
Triangulation_ds_vertex_base_2 () : _f() {}
Triangulation_ds_vertex_base_2(Face_handle f) : _f(f) {}
Face_handle face() const { return _f;}
void set_face(Face_handle f) { _f = f ;}
//the following trivial is_valid to allow
// the user of derived face base classes
// to add their own purpose checking
bool is_valid(bool /*verbose*/=false, int /*level*/= 0) const
{return face() != Face_handle();}
// For use by the Compact_container.
void * for_compact_container() const { return _f.for_compact_container(); }
void * & for_compact_container() { return _f.for_compact_container(); }
private:
Face_handle _f;
};
// Specialization for void.
template <>
class Triangulation_ds_vertex_base_2<void>
{
public:
typedef Dummy_tds_2 Triangulation_data_structure;
typedef Triangulation_data_structure::Vertex_handle Vertex_handle;
typedef Triangulation_data_structure::Face_handle Face_handle;
template <typename TDS2>
struct Rebind_TDS { typedef Triangulation_ds_vertex_base_2<TDS2> Other; };
};
template < class TDS >
inline
std::istream&
operator>>(std::istream &is, Triangulation_ds_vertex_base_2<TDS> &)
// no combinatorial information.
{
return is;
}
template < class TDS >
inline
std::ostream&
operator<<(std::ostream &os, const Triangulation_ds_vertex_base_2<TDS> &)
// no combinatorial information.
{
return os;
}
CGAL_END_NAMESPACE
#endif //CGAL_TRIANGULATION_DS_VERTEX_BASE_2_H
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