cgal/Combinatorial_map/include/CGAL/Dart_with_index.h

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6.6 KiB
C++

// Copyright (c) 2010-2011 CNRS and LIRIS' Establishments (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org)
//
// $URL$
// $Id$
// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
//
// Author(s) : Guillaume Damiand <guillaume.damiand@liris.cnrs.fr>
//
#ifndef CGAL_DART_WITH_INDEX_H
#define CGAL_DART_WITH_INDEX_H 1
#include <CGAL/assertions.h>
#include <CGAL/tags.h>
#include <CGAL/tuple.h>
#include <bitset>
#include <CGAL/Cell_attribute.h>
namespace CGAL {
template <class, class, class, class>
class Compact_container_with_index_2;
template<unsigned int, class, class, class>
class Combinatorial_map_storage_2;
template<unsigned int, class, class, class>
class Generalized_map_storage_2;
template<unsigned int, unsigned int, class, class, class, class>
class CMap_linear_cell_complex_storage_2;
template<unsigned int, unsigned int, class, class, class, class>
class GMap_linear_cell_complex_storage_2;
namespace Index
{
template <unsigned int d, typename Refs>
struct Dart_without_info
{
template <class, class, class, class>
friend class CGAL::Compact_container_with_index_2;
template<unsigned int, class, class, class>
friend class CGAL::Combinatorial_map_storage_2;
template<unsigned int, class, class, class>
friend class CGAL::Generalized_map_storage_2;
template<unsigned int, unsigned int, class, class, class, class>
friend class CGAL::CMap_linear_cell_complex_storage_2;
template<unsigned int, unsigned int, class, class, class, class>
friend class CGAL::GMap_linear_cell_complex_storage_2;
typedef Dart_without_info<d,Refs> Self;
typedef typename Refs::Dart_handle Dart_handle;
typedef typename Refs::size_type size_type;
typedef typename Refs::Dart_const_handle Dart_const_handle;
typedef typename Refs::Helper Helper;
typedef CGAL::Tag_false Has_id;
/// Typedef for attributes
template<int i>
struct Attribute_handle: public Refs::template Attribute_handle<i>
{};
template<int i>
struct Attribute_const_handle:
public Refs::template Attribute_const_handle<i>
{};
/// The number of used marks.
static const size_type NB_MARKS = Refs::NB_MARKS;
/// The dimension of the combinatorial map.
static const unsigned int dimension = d;
size_type for_compact_container_with_index() const
{ return mf[0].for_compact_container_with_index(); }
size_type& for_compact_container_with_index()
{ return mf[0].for_compact_container_with_index(); }
Dart_handle get_f(unsigned int i) const
{
assert(i<=dimension);
return mf[i];
}
protected:
/** Default constructor: no real initialisation,
* because this is done in the combinatorial map class.
*/
Dart_without_info()
{}
/** Copy constructor:
* @param adart a dart.
*/
Dart_without_info(const Dart_without_info& adart) : mmarks(adart.mmarks),
mattribute_handles(adart.mattribute_handles)
{
for (unsigned int i = 0; i <= dimension; ++i)
mf[i] = adart.mf[i];
}
/** Return the mark value of a given mark number.
* @param amark the mark number.
* @return the value for this number.
*/
bool get_mark(size_type amark) const
{
CGAL_assertion(amark>=0 && amark<NB_MARKS);
return mmarks[amark];
}
/** Set the mark of a given mark number to a given value.
* @param amark the mark number.
* @param AValue the value.
*/
void set_mark(size_type amark, bool avalue) const
{
CGAL_assertion(amark>=0 && amark<NB_MARKS);
mmarks.set(amark, avalue);
}
/** Flip the mark of a given mark number.
* @param amark the mark number.
*/
void flip_mark(size_type amark) const
{
CGAL_assertion(amark>=0 && amark<NB_MARKS);
mmarks.flip(amark);
}
/** Return all the marks of this dart.
* @return the marks.
*/
std::bitset<NB_MARKS> get_marks() const
{ return mmarks; }
/** Set simultaneously all the marks of this dart to a given value.
* @param amarks the value of the marks.
*/
void set_marks(const std::bitset<NB_MARKS>& amarks) const
{ mmarks = amarks; }
/// @return a handle on the i-attribute
template<int i>
typename Attribute_handle<i>::type attribute()
{
CGAL_static_assertion_msg(Helper::template Dimension_index<i>::value>=0,
"attribute<i> called but i-attributes are disabled.");
return std::get<Helper::template Dimension_index<i>::value>
(mattribute_handles);
}
template<int i>
typename Attribute_const_handle<i>::type attribute() const
{
CGAL_static_assertion_msg(Helper::template Dimension_index<i>::value>=0,
"attribute<i> called but i-attributes are disabled.");
return std::get<Helper::template Dimension_index<i>::value>
(mattribute_handles);
}
protected:
/// Neighboors for each dimension +1 (from 0 to dimension).
Dart_handle mf[dimension+1];
/// Values of Boolean marks.
mutable std::bitset<NB_MARKS> mmarks;
/// Attributes enabled
typename Helper::Attribute_handles mattribute_handles;
};
// Dart definition with an info;
// (there is a specialization below when Info_==void)
template <unsigned int d, typename Refs, typename Info_=void>
struct Dart : public Dart_without_info<d, Refs>
{
public:
template <class, class, class, class>
friend class CGAL::Compact_container_with_index_2;
template<unsigned int, class, class, class>
friend class CGAL::Combinatorial_map_storage_2;
template<unsigned int, class, class, class>
friend class CGAL::Generalized_map_storage_2;
template<unsigned int, unsigned int, class, class, class, class>
friend class CGAL::CMap_linear_cell_complex_storage_2;
template<unsigned int, unsigned int, class, class, class, class>
friend class CGAL::GMap_linear_cell_complex_storage_2;
typedef Dart<d, Refs, Info_> Self;
typedef Info_ Info;
protected:
/** Default constructor: no real initialisation,
* because this is done in the combinatorial or generalized map class.
*/
Dart()
{}
Dart(const Info_& info) : minfo(info)
{}
Info_& info()
{ return minfo; }
const Info_& info() const
{ return minfo; }
protected:
Info minfo;
};
// Specialization of Dart class when info==void
template <unsigned int d, typename Refs>
struct Dart<d, Refs, void> : public Dart_without_info<d, Refs>
{
public:
typedef CGAL::Void Info;
};
} // namespace Index
} // namespace CGAL
#endif // CGAL_DART_WITH_INDEX_H //
// EOF //