dust3d/thirdparty/cgal/CGAL-5.1/include/CGAL/Mesher_level_visitors.h

126 lines
2.9 KiB
C++

// Copyright (c) 2005 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org)
//
// $URL: https://github.com/CGAL/cgal/blob/v5.1/Mesher_level/include/CGAL/Mesher_level_visitors.h $
// $Id: Mesher_level_visitors.h 0779373 2020-03-26T13:31:46+01:00 Sébastien Loriot
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Laurent RINEAU
#ifndef CGAL_MESHER_LEVEL_VISITORS_H
#define CGAL_MESHER_LEVEL_VISITORS_H
#include <CGAL/disable_warnings.h>
namespace CGAL {
template <typename Previous_level>
class Null_mesh_visitor_level
{
Previous_level& previous;
public:
typedef Previous_level Previous_visitor;
Null_mesh_visitor_level(Previous_level& p) : previous(p)
{
}
Previous_level& previous_level()
{
return previous;
}
template <typename E, typename P>
void before_conflicts(E, P) const {}
template <typename E, typename P, typename Z>
void before_insertion(E, P, Z) const {}
template <typename V>
void after_insertion(V) const {}
template <typename E, typename P, typename Z>
void after_no_insertion(E, P, Z) const {}
}; // end class Null_mesh_visitor_level
class Null_mesh_visitor
{
public:
typedef Null_mesh_visitor Previous_visitor;
const Null_mesh_visitor& previous_level() const
{
return *this;
}
template <typename E, typename P>
void before_conflicts(E, P) const {}
template <typename E, typename P, typename Z>
void before_insertion(E, P, Z) const {}
template <typename V>
void after_insertion(V) const {}
template <typename E, typename P, typename Z>
void after_no_insertion(E, P, Z) const {}
}; // end class Null_mesh_visitor
template <typename V1, typename V2>
struct Combine_mesh_visitor {
typedef Combine_mesh_visitor<typename V1::Previous_visitor,
typename V2::Previous_visitor>
Previous_visitor;
V1 v1;
V2 v2;
Combine_mesh_visitor(V1 v1_, V2 v2_)
: v1(v1_), v2(v2_)
{
}
Previous_visitor previous_level()
{
return Previous_visitor(v1.previous_level(),
v2.previous_level());
}
template <typename E, typename P>
void before_conflicts(E e, P p)
{
v1.before_conflicts(e, p);
v2.before_conflicts(e, p);
}
template <typename E, typename P, typename Z>
void before_insertion(E e, P p, Z z)
{
v1.before_insertion(e, p, z);
v2.before_insertion(e, p, z);
}
template <typename V>
void after_insertion(V v)
{
v1.after_insertion(v);
v2.after_insertion(v);
}
template <typename E, typename P, typename Z>
void after_no_insertion(E e, P p, Z z)
{
v1.after_no_insertion(e, p, z);
v2.after_no_insertion(e, p, z);
}
}; // end class Combine_mesh_visitor
} // end namespace CGAL
#include <CGAL/enable_warnings.h>
#endif // CGAL_MESHER_LEVEL_VISITORS_H