135 lines
3.2 KiB
C
135 lines
3.2 KiB
C
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// Copyright (c) 2005 INRIA Sophia-Antipolis (France).
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// 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; either version 3 of the License,
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// or (at your option) any later version.
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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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// $URL$
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// $Id$
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// SPDX-License-Identifier: LGPL-3.0+
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//
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//
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// Author(s) : Laurent RINEAU
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#ifndef CGAL_MESHER_LEVEL_VISITORS_H
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#define CGAL_MESHER_LEVEL_VISITORS_H
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#include <CGAL/disable_warnings.h>
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namespace CGAL {
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template <typename Previous_level>
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class Null_mesh_visitor_level
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{
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Previous_level& previous;
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public:
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typedef Previous_level Previous_visitor;
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Null_mesh_visitor_level(Previous_level& p) : previous(p)
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{
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}
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Previous_level& previous_level()
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{
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return previous;
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}
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template <typename E, typename P>
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void before_conflicts(E, P) const {}
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template <typename E, typename P, typename Z>
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void before_insertion(E, P, Z) const {}
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template <typename V>
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void after_insertion(V) const {}
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template <typename E, typename P, typename Z>
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void after_no_insertion(E, P, Z) const {}
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}; // end class Null_mesh_visitor_level
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class Null_mesh_visitor
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{
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public:
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typedef Null_mesh_visitor Previous_visitor;
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const Null_mesh_visitor& previous_level() const
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{
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return *this;
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}
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template <typename E, typename P>
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void before_conflicts(E, P) const {}
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template <typename E, typename P, typename Z>
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void before_insertion(E, P, Z) const {}
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template <typename V>
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void after_insertion(V) const {}
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template <typename E, typename P, typename Z>
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void after_no_insertion(E, P, Z) const {}
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}; // end class Null_mesh_visitor
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template <typename V1, typename V2>
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struct Combine_mesh_visitor {
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typedef Combine_mesh_visitor<typename V1::Previous_visitor,
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typename V2::Previous_visitor>
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Previous_visitor;
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V1 v1;
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V2 v2;
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Combine_mesh_visitor(V1 v1_, V2 v2_)
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: v1(v1_), v2(v2_)
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{
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}
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Previous_visitor previous_level()
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{
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return Previous_visitor(v1.previous_level(),
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v2.previous_level());
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}
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template <typename E, typename P>
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void before_conflicts(E e, P p)
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{
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v1.before_conflicts(e, p);
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v2.before_conflicts(e, p);
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}
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template <typename E, typename P, typename Z>
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void before_insertion(E e, P p, Z z)
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{
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v1.before_insertion(e, p, z);
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v2.before_insertion(e, p, z);
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}
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template <typename V>
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void after_insertion(V v)
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{
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v1.after_insertion(v);
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v2.after_insertion(v);
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}
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template <typename E, typename P, typename Z>
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void after_no_insertion(E e, P p, Z z)
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{
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v1.after_no_insertion(e, p, z);
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v2.after_no_insertion(e, p, z);
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}
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}; // end class Combine_mesh_visitor
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} // end namespace CGAL
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#include <CGAL/enable_warnings.h>
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#endif // CGAL_MESHER_LEVEL_VISITORS_H
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