// 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) : Mariette Yvinec #ifndef CGAL_TRIANGULATION_DS_VERTEX_BASE_2_H #define CGAL_TRIANGULATION_DS_VERTEX_BASE_2_H #include #include namespace CGAL { 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 struct Rebind_TDS { typedef Triangulation_ds_vertex_base_2 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 { 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 struct Rebind_TDS { typedef Triangulation_ds_vertex_base_2 Other; }; }; template < class TDS > inline std::istream& operator>>(std::istream &is, Triangulation_ds_vertex_base_2 &) // no combinatorial information. { return is; } template < class TDS > inline std::ostream& operator<<(std::ostream &os, const Triangulation_ds_vertex_base_2 &) // no combinatorial information. { return os; } } //namespace CGAL #endif //CGAL_TRIANGULATION_DS_VERTEX_BASE_2_H