426 lines
14 KiB
C++
426 lines
14 KiB
C++
// Copyright (c) 2016 CNRS and LIRIS' Establishments (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)
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//
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// $URL: https://github.com/CGAL/cgal/blob/v5.1/Generalized_map/include/CGAL/Generalized_map_storages.h $
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// $Id: Generalized_map_storages.h daab969 2020-04-08T09:23:59+02:00 Guillaume Damiand
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// SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial
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//
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// Author(s) : Guillaume Damiand <guillaume.damiand@liris.cnrs.fr>
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//
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#ifndef CGAL_GENERALIZED_MAP_STORAGES_H
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#define CGAL_GENERALIZED_MAP_STORAGES_H 1
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#include <CGAL/Compact_container.h>
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#include <CGAL/Dart.h>
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#include <CGAL/Handle_hash_function.h>
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#include <bitset>
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#include <boost/config.hpp>
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#if (BOOST_GCC >= 40900)
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_Pragma("GCC diagnostic push")
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_Pragma("GCC diagnostic ignored \"-Warray-bounds\"")
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#endif
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namespace CGAL {
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namespace internal {
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template <typename M>
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struct Combinatorial_map_helper;
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}
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/** @file Generalized_map_storages.h
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* Definition of storages for dD Generalized map.
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*/
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// Storage of darts with compact container, alpha with handles
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template<unsigned int d_, class Items_, class Alloc_ >
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class Generalized_map_storage_1
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{
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public:
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typedef Generalized_map_storage_1<d_, Items_, Alloc_> Self;
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typedef CGAL::Tag_false Use_index;
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typedef internal::Combinatorial_map_helper<Self> Helper;
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typedef typename Items_::template Dart_wrapper<Self> Dart_wrapper;
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typedef typename internal::template Get_dart_info<Dart_wrapper>::type
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Dart_info;
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typedef typename internal::template Get_darts_with_id<Dart_wrapper>::type
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Darts_with_id;
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typedef CGAL::Dart<d_, Self, Dart_info, Darts_with_id> Dart;
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typedef std::allocator_traits<Alloc_> Allocator_traits;
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typedef typename Allocator_traits::template rebind_alloc<Dart> Dart_allocator;
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typedef Compact_container<Dart, Dart_allocator> Dart_container;
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typedef typename Dart_container::iterator Dart_handle;
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typedef typename Dart_container::const_iterator Dart_const_handle;
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typedef typename Dart_container::size_type size_type;
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typedef std::nullptr_t Null_handle_type;
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static const Null_handle_type null_handle;
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typedef Items_ Items;
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typedef Alloc_ Alloc;
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template <typename T>
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struct Container_for_attributes :
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public Compact_container<T, typename std::allocator_traits<Alloc_>::template rebind_alloc<T> >
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{};
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/// Typedef for attributes
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typedef typename internal::template Get_attributes_tuple<Dart_wrapper>::type
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Attributes;
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template<int i>
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struct Attribute_type: public Helper::template Attribute_type<i>
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{};
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template<int i>
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struct Attribute_handle: public Helper::template Attribute_handle<i>
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{};
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template<int i>
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struct Attribute_const_handle:
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public Helper::template Attribute_const_handle<i>
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{};
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template<int i>
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struct Attribute_range: public Helper::template Attribute_range<i>
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{};
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template<int i>
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struct Attribute_const_range:
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public Helper::template Attribute_const_range<i>
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{};
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/// Number of marks
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static const size_type NB_MARKS = 32;
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/// The dimension of the generalized map.
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static const unsigned int dimension = d_;
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typedef Handle_hash_function Hash_function;
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// Init
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void init_storage()
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{ null_dart_handle=nullptr; }
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/** Return if this dart is free for adimension.
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* @param dh a dart handle
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* @param i the dimension.
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* @return true iff dh is linked with nullptr for \em adimension.
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*/
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template<unsigned int i>
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bool is_free(Dart_const_handle dh) const
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{
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CGAL_assertion( dh!=nullptr );
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CGAL_assertion(i <= dimension);
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return dh->mf[i]==dh;
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}
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bool is_free(Dart_const_handle dh, unsigned int i) const
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{
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CGAL_assertion( dh!=nullptr );
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CGAL_assertion(i <= dimension);
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return dh->mf[i]==dh;
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}
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bool is_perforated(Dart_const_handle /*dh*/) const
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{ return false; }
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/// Set simultaneously all the marks of this dart to a given value.
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void set_dart_marks(Dart_const_handle ADart,
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const std::bitset<NB_MARKS>& amarks) const
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{
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CGAL_assertion( ADart!=nullptr );
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ADart->set_marks(amarks);
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}
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/// Return all the marks of a dart.
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std::bitset<NB_MARKS> get_dart_marks(Dart_const_handle ADart) const
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{
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CGAL_assertion( ADart!=nullptr );
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return ADart->get_marks();
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}
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/// Return the mark value of dart a given mark number.
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bool get_dart_mark(Dart_const_handle ADart, size_type amark) const
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{
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CGAL_assertion( ADart!=nullptr );
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return ADart->get_mark(amark);
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}
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/// Set the mark of a given mark number to a given value.
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void set_dart_mark(Dart_const_handle ADart, size_type amark, bool avalue) const
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{
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CGAL_assertion( ADart!=nullptr );
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ADart->set_mark(amark, avalue);
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}
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/// Flip the mark of a given mark number to a given value.
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void flip_dart_mark(Dart_const_handle ADart, size_type amark) const
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{
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CGAL_assertion( ADart!=nullptr );
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ADart->flip_mark(amark);
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}
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// Access to alpha maps
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Dart_handle get_alpha(Dart_handle ADart, int B1)
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{
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CGAL_assertion(ADart!=nullptr && B1>=0 && B1<=(int)dimension);
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return ADart->mf[B1];
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}
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Dart_const_handle get_alpha(Dart_const_handle ADart, int B1) const
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{
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CGAL_assertion(ADart!=nullptr && B1>=0 && B1<=(int)dimension);
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return ADart->mf[B1];
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}
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template<int B1>
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Dart_handle get_alpha(Dart_handle ADart)
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{
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CGAL_assertion(ADart!=nullptr && B1>=0 && B1<=(int)dimension);
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return ADart->mf[B1];
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}
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template<int B1>
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Dart_const_handle get_alpha(Dart_const_handle ADart) const
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{
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CGAL_assertion(ADart!=nullptr && B1>=0 && B1<=(int)dimension);
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return ADart->mf[B1];
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}
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// return a handle on the i-attribute
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template<unsigned int i>
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typename Attribute_handle<i>::type attribute(Dart_handle ADart)
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{
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CGAL_static_assertion_msg(Helper::template Dimension_index<i>::value>=0,
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"attribute<i> called but i-attributes are disabled.");
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return std::get<Helper::template Dimension_index<i>::value>
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(ADart->mattribute_handles);
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}
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template<unsigned int i>
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typename Attribute_const_handle<i>::type
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attribute(Dart_const_handle ADart) const
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{
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CGAL_static_assertion_msg(Helper::template Dimension_index<i>::value>=0,
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"attribute<i> called but i-attributes are disabled.");
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return std::get<Helper::template Dimension_index<i>::value>
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(ADart->mattribute_handles);
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}
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// Copy a given attribute
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template<unsigned int i>
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typename Attribute_handle<i>::type copy_attribute
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(typename Attribute_const_handle<i>::type ah)
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{
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CGAL_static_assertion_msg(Helper::template Dimension_index<i>::value>=0,
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"copy_attribute<i> called but i-attributes are disabled.");
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typename Attribute_handle<i>::type res=
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std::get<Helper::template Dimension_index<i>::value>
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(mattribute_containers).emplace(*ah);
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this->template init_attribute_ref_counting<i>(res);
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return res;
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}
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// Test if a given attribute is valid
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template<unsigned int i>
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bool is_valid_attribute(typename Attribute_const_handle<i>::type ah) const
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{
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CGAL_assertion( ah!=nullptr );
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return ah->is_valid();
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}
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// accessors and modifiers to the attribute ref counting given its handle
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template<unsigned int i>
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std::size_t get_attribute_ref_counting
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(typename Attribute_const_handle<i>::type ah) const
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{
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CGAL_assertion( ah!=nullptr );
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return ah->get_nb_refs();
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}
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template<unsigned int i>
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void init_attribute_ref_counting(typename Attribute_handle<i>::type ah)
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{
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CGAL_assertion( ah!=nullptr );
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ah->mrefcounting=0;
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}
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template<unsigned int i>
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void inc_attribute_ref_counting(typename Attribute_handle<i>::type ah)
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{
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CGAL_assertion( ah!=nullptr );
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ah->inc_nb_refs();
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}
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template<unsigned int i>
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void dec_attribute_ref_counting(typename Attribute_handle<i>::type ah)
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{
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CGAL_assertion( ah!=nullptr );
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ah->dec_nb_refs();
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}
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// get the attribute given its handle
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template<unsigned int i>
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typename Attribute_type<i>::type&
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get_attribute(typename Attribute_handle<i>::type ah)
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{
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CGAL_assertion( ah!=nullptr );
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return *ah;
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}
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template<unsigned int i>
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const typename Attribute_type<i>::type&
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get_attribute(typename Attribute_const_handle<i>::type ah) const
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{
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CGAL_assertion( ah!=nullptr );
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return *ah;
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}
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// Get the dart of the given attribute
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template<unsigned int i>
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Dart_handle dart_of_attribute(typename Attribute_handle<i>::type ah)
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{
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CGAL_assertion( ah!=nullptr );
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return ah->dart();
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}
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template<unsigned int i>
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Dart_const_handle
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dart_of_attribute(typename Attribute_const_handle<i>::type ah) const
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{
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CGAL_assertion( ah!=nullptr );
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return ah->dart();
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}
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// Set the dart of the given attribute
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template<unsigned int i>
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void set_dart_of_attribute(typename Attribute_handle<i>::type ah,
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Dart_handle adart)
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{
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CGAL_assertion( ah!=nullptr );
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ah->set_dart(adart);
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}
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// Get the information associated with a given dart
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Dart_info& info(Dart_handle adart)
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{ return adart->info(); }
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const Dart_info& info(Dart_const_handle adart) const
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{ return adart->info(); }
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// Get the info of the given attribute
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template<unsigned int i>
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typename Attribute_type<i>::type::Info &
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info_of_attribute(typename Attribute_handle<i>::type ah)
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{
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CGAL_assertion( ah!=nullptr );
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return ah->info();
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}
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template<unsigned int i>
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const typename Attribute_type<i>::type::Info &
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info_of_attribute(typename Attribute_const_handle<i>::type ah) const
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{
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CGAL_assertion( ah!=nullptr );
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return ah->info();
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}
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// Get the info of the i-cell attribute associated with the given dart
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template<unsigned int i>
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typename Attribute_type<i>::type::Info & info(Dart_handle adart)
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{
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CGAL_assertion( adart!=nullptr );
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CGAL_assertion( attribute<i>(adart)!=nullptr );
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return info_of_attribute<i>(attribute<i>(adart));
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}
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template<unsigned int i>
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const typename Attribute_type<i>::type::Info &
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info(Dart_const_handle adart) const
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{
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CGAL_assertion( adart!=nullptr );
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CGAL_assertion( attribute<i>(adart)!=nullptr );
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return info_of_attribute<i>(attribute<i>(adart));
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}
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// Get the dart of the i-cell attribute associated with the given dart
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template<unsigned int i>
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Dart_handle dart(Dart_handle adart)
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{
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CGAL_assertion( adart!=nullptr );
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CGAL_assertion( attribute<i>(adart)!=nullptr );
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return dart_of_attribute<i>(attribute<i>(adart));
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}
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template<unsigned int i>
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Dart_const_handle dart(Dart_const_handle adart) const
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{
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CGAL_assertion( adart!=nullptr );
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CGAL_assertion( attribute<i>(adart)!=nullptr );
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return dart_of_attribute<i>(attribute<i>(adart));
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}
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// Debug function
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void display_dart(Dart_const_handle ADart) const
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{ std::cout<<mdarts.index(ADart); }
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template<unsigned int i>
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void display_attribute(typename Attribute_const_handle<i>::type ah) const
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{ std::cout<< std::get<Helper::template Dimension_index<i>::value>
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(mattribute_containers).index(ah); }
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protected:
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// Set the handle on the i th attribute
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template<unsigned int i>
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void basic_set_dart_attribute(Dart_handle dh,
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typename Attribute_handle<i>::type ah)
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{
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std::get<Helper::template Dimension_index<i>::value>
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(dh->mattribute_handles) = ah;
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}
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/** Link a dart with a given dart for a given dimension.
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* @param adart the dart to link.
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* @param adart2 the dart to link with.
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* @param i the dimension.
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*/
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template<unsigned int i>
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void dart_link_alpha(Dart_handle adart, Dart_handle adart2)
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{
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CGAL_assertion(i <= dimension);
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CGAL_assertion(adart!=nullptr && adart2!=nullptr);
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adart->mf[i] = adart2;
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}
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void dart_link_alpha(Dart_handle adart, Dart_handle adart2, unsigned int i)
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{
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CGAL_assertion(i <= dimension);
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CGAL_assertion(adart!=nullptr && adart2!=nullptr);
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adart->mf[i] = adart2;
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}
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/** Unlink a dart for a given dimension.
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* @param adart a dart.
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* @param i the dimension.
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*/
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template<unsigned int i>
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void dart_unlink_alpha(Dart_handle adart)
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{
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CGAL_assertion(adart!=nullptr && i <= dimension);
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adart->mf[i] = adart;
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}
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void dart_unlink_alpha(Dart_handle adart, unsigned int i)
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{
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CGAL_assertion(adart!=nullptr && i <= dimension);
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adart->mf[i] = adart;
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}
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protected:
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Dart_handle null_dart_handle; // To be compatible with combinatorial map
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/// Dart container.
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Dart_container mdarts;
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/// Tuple of attributes containers
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typename Helper::Attribute_containers mattribute_containers;
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};
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/// null_handle
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template < unsigned int d_, class Items_, class Alloc_ >
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const typename Generalized_map_storage_1<d_, Items_, Alloc_>::Null_handle_type
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Generalized_map_storage_1<d_, Items_, Alloc_>::null_handle = nullptr;
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} // namespace CGAL
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#if (BOOST_GCC >= 40900)
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_Pragma("GCC diagnostic pop")
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#endif
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#endif // CGAL_GENERALIZED_MAP_STORAGES_H //
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// EOF //
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