cgal/TDS_3/include/CGAL/Triangulation_ds_vertex_bas...

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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).
//
// $URL$
// $Id$
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
// Author(s) : Monique Teillaud <Monique.Teillaud@sophia.inria.fr>
#ifndef CGAL_TRIANGULATION_DS_VERTEX_BASE_3_H
#define CGAL_TRIANGULATION_DS_VERTEX_BASE_3_H
#include <CGAL/license/TDS_3.h>
#include <CGAL/basic.h>
#include <CGAL/internal/Dummy_tds_3.h>
namespace CGAL {
template < typename TDS = void >
class Triangulation_ds_vertex_base_3
{
public:
typedef TDS Triangulation_data_structure;
typedef typename TDS::Vertex_handle Vertex_handle;
typedef typename TDS::Cell_handle Cell_handle;
template <typename TDS2>
struct Rebind_TDS { typedef Triangulation_ds_vertex_base_3<TDS2> Other; };
Triangulation_ds_vertex_base_3()
: _c(), visited_for_vertex_extractor(false)
{}
Triangulation_ds_vertex_base_3(Cell_handle c)
: _c(c), visited_for_vertex_extractor(false)
{}
Cell_handle cell() const
{ return _c; }
void set_cell(Cell_handle c)
{
_c = c;
}
// the following trivial is_valid allows
// the user of derived cell base classes
// to add their own purpose checking
bool is_valid(bool = false, int = 0) const
{
return cell() != Cell_handle();
}
// For use by the Compact_container.
void * for_compact_container() const
{ return _c.for_compact_container(); }
void for_compact_container(void* p)
{ _c.for_compact_container(p); }
private:
Cell_handle _c;
// The typedef and the bool are used by Triangulation_data_structure::Vertex_extractor
// The names are chooses complicated so that we do not have to document them
// (privacy by obfuscation)
public:
typedef bool Has_visited_for_vertex_extractor;
bool visited_for_vertex_extractor;
};
template < class TDS >
inline
std::istream&
operator>>(std::istream &is, Triangulation_ds_vertex_base_3<TDS> &)
// no combinatorial information.
{
return is;
}
template < class TDS >
inline
std::ostream&
operator<<(std::ostream &os, const Triangulation_ds_vertex_base_3<TDS> &)
// no combinatorial information.
{
return os;
}
// Specialization for void.
template <>
class Triangulation_ds_vertex_base_3<void>
{
public:
typedef internal::Dummy_tds_3 Triangulation_data_structure;
typedef Triangulation_data_structure::Vertex_handle Vertex_handle;
typedef Triangulation_data_structure::Cell_handle Cell_handle;
template <typename TDS2>
struct Rebind_TDS { typedef Triangulation_ds_vertex_base_3<TDS2> Other; };
};
} //namespace CGAL
#endif // CGAL_TRIANGULATION_DS_VERTEX_BASE_3_H