cgal/Triangulation_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).
// You can redistribute it and/or modify it under the terms of the GNU
// General Public License as published by the Free Software Foundation,
// either version 3 of the License, or (at your option) any later version.
//
// 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.
//
// $URL$
// $Id$
//
// 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/basic.h>
#include <CGAL/internal/Dummy_tds_3.h>
namespace CGAL {
// Without erase counter
template <bool Use_erase_counter>
class Triangulation_ds_vertex_base_3_base
{
public:
// Dummy
unsigned int get_erase_counter() const { return 0; }
void set_erase_counter(unsigned int) {}
void increment_erase_counter() {}
};
#ifdef CGAL_LINKED_WITH_TBB
// Specialized version (with erase counter)
template <>
class Triangulation_ds_vertex_base_3_base<true>
{
public:
// Erase counter (cf. Compact_container)
unsigned int get_erase_counter() const
{
return this->m_erase_counter;
}
void set_erase_counter(unsigned int c)
{
this->m_erase_counter = c;
}
void increment_erase_counter()
{
++this->m_erase_counter;
}
protected:
typedef tbb::atomic<unsigned int> Erase_counter_type;
Erase_counter_type m_erase_counter;
};
#endif // CGAL_LINKED_WITH_TBB
template < typename TDS = void >
class Triangulation_ds_vertex_base_3
: public Triangulation_ds_vertex_base_3_base<
TDS::Vertex_container_strategy::Uses_erase_counter>
{
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()
{
}
Triangulation_ds_vertex_base_3(Cell_handle c)
: _c(c)
{
}
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()
{ return _c.for_compact_container(); }
private:
Cell_handle _c;
};
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