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// Copyright (c) 2014
// INRIA Saclay-Ile de France (France)
//
// This file is part of CGAL (www.cgal.org)
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1/NewKernel_d/include/CGAL/NewKernel_d/Wrapper/Ref_count_obj.h $
// $Id: include/CGAL/NewKernel_d/Wrapper/Ref_count_obj.h b26b07a1242 $
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
// Author(s) : Marc Glisse
#ifndef CGAL_WRAPPER_REF_COUNT_OBJ_H
#define CGAL_WRAPPER_REF_COUNT_OBJ_H
#include <CGAL/Origin.h>
#include <CGAL/Handle_for.h>
#include <CGAL/Kernel/mpl.h>
#include <CGAL/representation_tags.h>
#include <CGAL/assertions.h>
#include <boost/type_traits.hpp>
#include <CGAL/Kernel/Return_base_tag.h>
#include <CGAL/Dimension.h>
// no need for a fancy interface here, people can use the Point_d wrapper on
// top.
namespace CGAL {
template <class R_, class Tag_>
class Ref_count_obj
{
typedef typename R_::Kernel_base Kbase;
typedef typename Get_functor<Kbase, Construct_ttag<Tag_> >::type CBase;
typedef Ref_count_obj Self;
static_assert(std::is_same<Self, typename Get_type<R_, Tag_>::type>::value);
public:
typedef R_ R;
typedef Tag_true Is_wrapper;
typedef typename R_::Default_ambient_dimension Ambient_dimension;
//typedef Dimension_tag<0> Feature_dimension;
typedef typename Get_type<Kbase, Tag_>::type Rep;
typedef Handle_for<Rep> Data;
private:
Data data;
public:
const Rep& rep() const
{
return CGAL::get_pointee_or_identity(data);
}
template<class...U,class=std::enable_if_t<!std::is_same<std::tuple<typename std::decay<U>::type...>,std::tuple<Ref_count_obj> >::value>> explicit Ref_count_obj(U&&...u)
: data(Eval_functor(),CBase(),std::forward<U>(u)...){}
template<class F,class...U> explicit Ref_count_obj(Eval_functor&&,F&&f,U&&...u)
: data(Eval_functor(),std::forward<F>(f),std::forward<U>(u)...){}
// try not to use these
Ref_count_obj(Rep const& v) : data(v) {}
Ref_count_obj(Rep& v) : data(static_cast<Rep const&>(v)) {}
Ref_count_obj(Rep&& v) : data(std::move(v)) {}
// Do we really need this for point?
// // this one should be implicit
// Ref_count_obj(Origin const& v)
// : data(Eval_functor(),CBase(),v) {}
// Ref_count_obj(Origin& v)
// : data(Eval_functor(),CBase(),v) {}
// Ref_count_obj(Origin&& v)
// : data(Eval_functor(),CBase(),std::move(v)) {}
};
} //namespace CGAL
#endif
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