592 lines
24 KiB
Plaintext
592 lines
24 KiB
Plaintext
/////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2006-2014
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/intrusive for documentation.
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//
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/////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_INTRUSIVE_RBTREE_HPP
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#define BOOST_INTRUSIVE_RBTREE_HPP
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#include <boost/intrusive/detail/config_begin.hpp>
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#include <boost/intrusive/intrusive_fwd.hpp>
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#include <cstddef>
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#include <boost/intrusive/detail/minimal_less_equal_header.hpp>
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#include <boost/intrusive/detail/minimal_pair_header.hpp> //std::pair
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#include <boost/intrusive/set_hook.hpp>
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#include <boost/intrusive/detail/rbtree_node.hpp>
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#include <boost/intrusive/bstree.hpp>
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#include <boost/intrusive/detail/tree_node.hpp>
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#include <boost/intrusive/detail/mpl.hpp>
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#include <boost/intrusive/pointer_traits.hpp>
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#include <boost/intrusive/detail/get_value_traits.hpp>
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#include <boost/intrusive/rbtree_algorithms.hpp>
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#include <boost/intrusive/link_mode.hpp>
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#include <boost/move/utility_core.hpp>
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#include <boost/static_assert.hpp>
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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namespace boost {
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namespace intrusive {
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/// @cond
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struct default_rbtree_hook_applier
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{ template <class T> struct apply{ typedef typename T::default_rbtree_hook type; }; };
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template<>
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struct is_default_hook_tag<default_rbtree_hook_applier>
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{ static const bool value = true; };
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struct rbtree_defaults
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: bstree_defaults
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{
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typedef default_rbtree_hook_applier proto_value_traits;
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};
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/// @endcond
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//! The class template rbtree is an intrusive red-black tree container, that
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//! is used to construct intrusive set and multiset containers. The no-throw
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//! guarantee holds only, if the key_compare object
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//! doesn't throw.
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//!
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//! The template parameter \c T is the type to be managed by the container.
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//! The user can specify additional options and if no options are provided
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//! default options are used.
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//!
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//! The container supports the following options:
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//! \c base_hook<>/member_hook<>/value_traits<>,
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//! \c constant_time_size<>, \c size_type<> and
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//! \c compare<>.
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#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
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template<class T, class ...Options>
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#else
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template<class ValueTraits, class VoidOrKeyOfValue, class VoidOrKeyComp, class SizeType, bool ConstantTimeSize, typename HeaderHolder>
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#endif
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class rbtree_impl
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/// @cond
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: public bstree_impl<ValueTraits, VoidOrKeyOfValue, VoidOrKeyComp, SizeType, ConstantTimeSize, RbTreeAlgorithms, HeaderHolder>
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/// @endcond
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{
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public:
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typedef ValueTraits value_traits;
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/// @cond
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typedef bstree_impl< ValueTraits, VoidOrKeyOfValue, VoidOrKeyComp, SizeType
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, ConstantTimeSize, RbTreeAlgorithms
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, HeaderHolder> tree_type;
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typedef tree_type implementation_defined;
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/// @endcond
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typedef typename implementation_defined::pointer pointer;
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typedef typename implementation_defined::const_pointer const_pointer;
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typedef typename implementation_defined::value_type value_type;
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typedef typename implementation_defined::key_type key_type;
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typedef typename implementation_defined::key_of_value key_of_value;
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typedef typename implementation_defined::reference reference;
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typedef typename implementation_defined::const_reference const_reference;
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typedef typename implementation_defined::difference_type difference_type;
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typedef typename implementation_defined::size_type size_type;
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typedef typename implementation_defined::value_compare value_compare;
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typedef typename implementation_defined::key_compare key_compare;
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typedef typename implementation_defined::iterator iterator;
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typedef typename implementation_defined::const_iterator const_iterator;
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typedef typename implementation_defined::reverse_iterator reverse_iterator;
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typedef typename implementation_defined::const_reverse_iterator const_reverse_iterator;
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typedef typename implementation_defined::node_traits node_traits;
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typedef typename implementation_defined::node node;
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typedef typename implementation_defined::node_ptr node_ptr;
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typedef typename implementation_defined::const_node_ptr const_node_ptr;
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typedef typename implementation_defined::node_algorithms node_algorithms;
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static const bool constant_time_size = implementation_defined::constant_time_size;
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/// @cond
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private:
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//noncopyable
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BOOST_MOVABLE_BUT_NOT_COPYABLE(rbtree_impl)
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/// @endcond
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public:
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typedef typename implementation_defined::insert_commit_data insert_commit_data;
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//! @copydoc ::boost::intrusive::bstree::bstree()
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rbtree_impl()
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: tree_type()
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{}
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//! @copydoc ::boost::intrusive::bstree::bstree(const key_compare &,const value_traits &)
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explicit rbtree_impl( const key_compare &cmp, const value_traits &v_traits = value_traits())
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: tree_type(cmp, v_traits)
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{}
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//! @copydoc ::boost::intrusive::bstree::bstree(bool,Iterator,Iterator,const key_compare &,const value_traits &)
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template<class Iterator>
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rbtree_impl( bool unique, Iterator b, Iterator e
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, const key_compare &cmp = key_compare()
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, const value_traits &v_traits = value_traits())
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: tree_type(unique, b, e, cmp, v_traits)
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{}
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//! @copydoc ::boost::intrusive::bstree::bstree(bstree &&)
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rbtree_impl(BOOST_RV_REF(rbtree_impl) x)
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: tree_type(BOOST_MOVE_BASE(tree_type, x))
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{}
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//! @copydoc ::boost::intrusive::bstree::operator=(bstree &&)
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rbtree_impl& operator=(BOOST_RV_REF(rbtree_impl) x)
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{ return static_cast<rbtree_impl&>(tree_type::operator=(BOOST_MOVE_BASE(tree_type, x))); }
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#ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED
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//! @copydoc ::boost::intrusive::bstree::~bstree()
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~rbtree_impl();
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//! @copydoc ::boost::intrusive::bstree::begin()
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iterator begin();
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//! @copydoc ::boost::intrusive::bstree::begin()const
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const_iterator begin() const;
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//! @copydoc ::boost::intrusive::bstree::cbegin()const
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const_iterator cbegin() const;
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//! @copydoc ::boost::intrusive::bstree::end()
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iterator end();
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//! @copydoc ::boost::intrusive::bstree::end()const
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const_iterator end() const;
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//! @copydoc ::boost::intrusive::bstree::cend()const
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const_iterator cend() const;
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//! @copydoc ::boost::intrusive::bstree::rbegin()
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reverse_iterator rbegin();
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//! @copydoc ::boost::intrusive::bstree::rbegin()const
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const_reverse_iterator rbegin() const;
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//! @copydoc ::boost::intrusive::bstree::crbegin()const
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const_reverse_iterator crbegin() const;
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//! @copydoc ::boost::intrusive::bstree::rend()
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reverse_iterator rend();
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//! @copydoc ::boost::intrusive::bstree::rend()const
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const_reverse_iterator rend() const;
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//! @copydoc ::boost::intrusive::bstree::crend()const
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const_reverse_iterator crend() const;
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//! @copydoc ::boost::intrusive::bstree::root()
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iterator root();
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//! @copydoc ::boost::intrusive::bstree::root()const
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const_iterator root() const;
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//! @copydoc ::boost::intrusive::bstree::croot()const
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const_iterator croot() const;
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//! @copydoc ::boost::intrusive::bstree::container_from_end_iterator(iterator)
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static rbtree_impl &container_from_end_iterator(iterator end_iterator);
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//! @copydoc ::boost::intrusive::bstree::container_from_end_iterator(const_iterator)
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static const rbtree_impl &container_from_end_iterator(const_iterator end_iterator);
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//! @copydoc ::boost::intrusive::bstree::container_from_iterator(iterator)
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static rbtree_impl &container_from_iterator(iterator it);
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//! @copydoc ::boost::intrusive::bstree::container_from_iterator(const_iterator)
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static const rbtree_impl &container_from_iterator(const_iterator it);
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//! @copydoc ::boost::intrusive::bstree::key_comp()const
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key_compare key_comp() const;
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//! @copydoc ::boost::intrusive::bstree::value_comp()const
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value_compare value_comp() const;
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//! @copydoc ::boost::intrusive::bstree::empty()const
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bool empty() const;
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//! @copydoc ::boost::intrusive::bstree::size()const
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size_type size() const;
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//! @copydoc ::boost::intrusive::bstree::swap
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void swap(rbtree_impl& other);
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//! @copydoc ::boost::intrusive::bstree::clone_from(const bstree&,Cloner,Disposer)
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template <class Cloner, class Disposer>
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void clone_from(const rbtree_impl &src, Cloner cloner, Disposer disposer);
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#else //BOOST_INTRUSIVE_DOXYGEN_INVOKED
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using tree_type::clone_from;
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#endif //#ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED
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//! @copydoc ::boost::intrusive::bstree::clone_from(bstree&&,Cloner,Disposer)
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template <class Cloner, class Disposer>
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void clone_from(BOOST_RV_REF(rbtree_impl) src, Cloner cloner, Disposer disposer)
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{ tree_type::clone_from(BOOST_MOVE_BASE(tree_type, src), cloner, disposer); }
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#ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED
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//! @copydoc ::boost::intrusive::bstree::clone_from(bstree&&,Cloner,Disposer)
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template <class Cloner, class Disposer>
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void clone_from(rbtree_impl &&src, Cloner cloner, Disposer disposer);
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//! @copydoc ::boost::intrusive::bstree::insert_equal(reference)
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iterator insert_equal(reference value);
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//! @copydoc ::boost::intrusive::bstree::insert_equal(const_iterator,reference)
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iterator insert_equal(const_iterator hint, reference value);
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//! @copydoc ::boost::intrusive::bstree::insert_equal(Iterator,Iterator)
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template<class Iterator>
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void insert_equal(Iterator b, Iterator e);
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//! @copydoc ::boost::intrusive::bstree::insert_unique(reference)
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std::pair<iterator, bool> insert_unique(reference value);
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//! @copydoc ::boost::intrusive::bstree::insert_unique(const_iterator,reference)
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iterator insert_unique(const_iterator hint, reference value);
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//! @copydoc ::boost::intrusive::bstree::insert_unique_check(const KeyType&,KeyTypeKeyCompare,insert_commit_data&)
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template<class KeyType, class KeyTypeKeyCompare>
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std::pair<iterator, bool> insert_unique_check
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(const KeyType &key, KeyTypeKeyCompare comp, insert_commit_data &commit_data);
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//! @copydoc ::boost::intrusive::bstree::insert_unique_check(const_iterator,const KeyType&,KeyTypeKeyCompare,insert_commit_data&)
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template<class KeyType, class KeyTypeKeyCompare>
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std::pair<iterator, bool> insert_unique_check
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(const_iterator hint, const KeyType &key
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,KeyTypeKeyCompare comp, insert_commit_data &commit_data);
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//! @copydoc ::boost::intrusive::bstree::insert_unique_check(const key_type&,insert_commit_data&)
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std::pair<iterator, bool> insert_unique_check
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(const key_type &key, insert_commit_data &commit_data);
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//! @copydoc ::boost::intrusive::bstree::insert_unique_check(const_iterator,const key_type&,insert_commit_data&)
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std::pair<iterator, bool> insert_unique_check
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(const_iterator hint, const key_type &key, insert_commit_data &commit_data);
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//! @copydoc ::boost::intrusive::bstree::insert_unique_commit
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iterator insert_unique_commit(reference value, const insert_commit_data &commit_data);
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//! @copydoc ::boost::intrusive::bstree::insert_unique(Iterator,Iterator)
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template<class Iterator>
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void insert_unique(Iterator b, Iterator e);
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//! @copydoc ::boost::intrusive::bstree::insert_before
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iterator insert_before(const_iterator pos, reference value);
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//! @copydoc ::boost::intrusive::bstree::push_back
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void push_back(reference value);
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//! @copydoc ::boost::intrusive::bstree::push_front
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void push_front(reference value);
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//! @copydoc ::boost::intrusive::bstree::erase(const_iterator)
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iterator erase(const_iterator i);
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//! @copydoc ::boost::intrusive::bstree::erase(const_iterator,const_iterator)
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iterator erase(const_iterator b, const_iterator e);
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//! @copydoc ::boost::intrusive::bstree::erase(const key_type &key)
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size_type erase(const key_type &key);
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//! @copydoc ::boost::intrusive::bstree::erase(const KeyType&,KeyTypeKeyCompare)
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template<class KeyType, class KeyTypeKeyCompare>
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size_type erase(const KeyType& key, KeyTypeKeyCompare comp);
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//! @copydoc ::boost::intrusive::bstree::erase_and_dispose(const_iterator,Disposer)
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template<class Disposer>
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iterator erase_and_dispose(const_iterator i, Disposer disposer);
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//! @copydoc ::boost::intrusive::bstree::erase_and_dispose(const_iterator,const_iterator,Disposer)
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template<class Disposer>
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iterator erase_and_dispose(const_iterator b, const_iterator e, Disposer disposer);
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//! @copydoc ::boost::intrusive::bstree::erase_and_dispose(const key_type &, Disposer)
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template<class Disposer>
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size_type erase_and_dispose(const key_type &key, Disposer disposer);
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//! @copydoc ::boost::intrusive::bstree::erase_and_dispose(const KeyType&,KeyTypeKeyCompare,Disposer)
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template<class KeyType, class KeyTypeKeyCompare, class Disposer>
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size_type erase_and_dispose(const KeyType& key, KeyTypeKeyCompare comp, Disposer disposer);
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//! @copydoc ::boost::intrusive::bstree::clear
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void clear();
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//! @copydoc ::boost::intrusive::bstree::clear_and_dispose
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template<class Disposer>
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void clear_and_dispose(Disposer disposer);
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//! @copydoc ::boost::intrusive::bstree::count(const key_type &)const
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size_type count(const key_type &key) const;
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//! @copydoc ::boost::intrusive::bstree::count(const KeyType&,KeyTypeKeyCompare)const
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template<class KeyType, class KeyTypeKeyCompare>
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size_type count(const KeyType& key, KeyTypeKeyCompare comp) const;
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//! @copydoc ::boost::intrusive::bstree::lower_bound(const key_type &)
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iterator lower_bound(const key_type &key);
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//! @copydoc ::boost::intrusive::bstree::lower_bound(const KeyType&,KeyTypeKeyCompare)
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template<class KeyType, class KeyTypeKeyCompare>
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iterator lower_bound(const KeyType& key, KeyTypeKeyCompare comp);
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//! @copydoc ::boost::intrusive::bstree::lower_bound(const key_type &)const
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const_iterator lower_bound(const key_type &key) const;
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//! @copydoc ::boost::intrusive::bstree::lower_bound(const KeyType&,KeyTypeKeyCompare)const
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template<class KeyType, class KeyTypeKeyCompare>
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const_iterator lower_bound(const KeyType& key, KeyTypeKeyCompare comp) const;
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//! @copydoc ::boost::intrusive::bstree::upper_bound(const key_type &)
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iterator upper_bound(const key_type &key);
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//! @copydoc ::boost::intrusive::bstree::upper_bound(const KeyType&,KeyTypeKeyCompare)
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template<class KeyType, class KeyTypeKeyCompare>
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iterator upper_bound(const KeyType& key, KeyTypeKeyCompare comp);
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//! @copydoc ::boost::intrusive::bstree::upper_bound(const key_type &)const
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const_iterator upper_bound(const key_type &key) const;
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//! @copydoc ::boost::intrusive::bstree::upper_bound(const KeyType&,KeyTypeKeyCompare)const
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template<class KeyType, class KeyTypeKeyCompare>
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const_iterator upper_bound(const KeyType& key, KeyTypeKeyCompare comp) const;
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//! @copydoc ::boost::intrusive::bstree::find(const key_type &)
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iterator find(const key_type &key);
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//! @copydoc ::boost::intrusive::bstree::find(const KeyType&,KeyTypeKeyCompare)
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template<class KeyType, class KeyTypeKeyCompare>
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iterator find(const KeyType& key, KeyTypeKeyCompare comp);
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//! @copydoc ::boost::intrusive::bstree::find(const key_type &)const
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const_iterator find(const key_type &key) const;
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//! @copydoc ::boost::intrusive::bstree::find(const KeyType&,KeyTypeKeyCompare)const
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template<class KeyType, class KeyTypeKeyCompare>
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const_iterator find(const KeyType& key, KeyTypeKeyCompare comp) const;
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//! @copydoc ::boost::intrusive::bstree::equal_range(const key_type &)
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std::pair<iterator,iterator> equal_range(const key_type &key);
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//! @copydoc ::boost::intrusive::bstree::equal_range(const KeyType&,KeyTypeKeyCompare)
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template<class KeyType, class KeyTypeKeyCompare>
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std::pair<iterator,iterator> equal_range(const KeyType& key, KeyTypeKeyCompare comp);
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//! @copydoc ::boost::intrusive::bstree::equal_range(const key_type &)const
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std::pair<const_iterator, const_iterator>
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equal_range(const key_type &key) const;
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//! @copydoc ::boost::intrusive::bstree::equal_range(const KeyType&,KeyTypeKeyCompare)const
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template<class KeyType, class KeyTypeKeyCompare>
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std::pair<const_iterator, const_iterator>
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equal_range(const KeyType& key, KeyTypeKeyCompare comp) const;
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//! @copydoc ::boost::intrusive::bstree::bounded_range(const key_type &,const key_type &,bool,bool)
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std::pair<iterator,iterator> bounded_range
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(const key_type &lower, const key_type &upper_key, bool left_closed, bool right_closed);
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//! @copydoc ::boost::intrusive::bstree::bounded_range(const KeyType&,const KeyType&,KeyTypeKeyCompare,bool,bool)
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template<class KeyType, class KeyTypeKeyCompare>
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std::pair<iterator,iterator> bounded_range
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(const KeyType& lower_key, const KeyType& upper_key, KeyTypeKeyCompare comp, bool left_closed, bool right_closed);
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//! @copydoc ::boost::intrusive::bstree::bounded_range(const key_type &,const key_type &,bool,bool)const
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std::pair<const_iterator, const_iterator>
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bounded_range(const key_type &lower_key, const key_type &upper_key, bool left_closed, bool right_closed) const;
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//! @copydoc ::boost::intrusive::bstree::bounded_range(const KeyType&,const KeyType&,KeyTypeKeyCompare,bool,bool)const
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template<class KeyType, class KeyTypeKeyCompare>
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std::pair<const_iterator, const_iterator> bounded_range
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(const KeyType& lower_key, const KeyType& upper_key, KeyTypeKeyCompare comp, bool left_closed, bool right_closed) const;
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//! @copydoc ::boost::intrusive::bstree::s_iterator_to(reference)
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static iterator s_iterator_to(reference value);
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//! @copydoc ::boost::intrusive::bstree::s_iterator_to(const_reference)
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static const_iterator s_iterator_to(const_reference value);
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//! @copydoc ::boost::intrusive::bstree::iterator_to(reference)
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iterator iterator_to(reference value);
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//! @copydoc ::boost::intrusive::bstree::iterator_to(const_reference)const
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const_iterator iterator_to(const_reference value) const;
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//! @copydoc ::boost::intrusive::bstree::init_node(reference)
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static void init_node(reference value);
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//! @copydoc ::boost::intrusive::bstree::unlink_leftmost_without_rebalance
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pointer unlink_leftmost_without_rebalance();
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//! @copydoc ::boost::intrusive::bstree::replace_node
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void replace_node(iterator replace_this, reference with_this);
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//! @copydoc ::boost::intrusive::bstree::remove_node
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void remove_node(reference value);
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//! @copydoc ::boost::intrusive::bstree::merge_unique(bstree<T, Options2...>&)
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template<class T, class ...Options2>
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void merge_unique(rbtree<T, Options2...> &);
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//! @copydoc ::boost::intrusive::bstree::merge_equal(bstree<T, Options2...>&)
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template<class T, class ...Options2>
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void merge_equal(rbtree<T, Options2...> &);
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friend bool operator< (const rbtree_impl &x, const rbtree_impl &y);
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friend bool operator==(const rbtree_impl &x, const rbtree_impl &y);
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friend bool operator!= (const rbtree_impl &x, const rbtree_impl &y);
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friend bool operator>(const rbtree_impl &x, const rbtree_impl &y);
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friend bool operator<=(const rbtree_impl &x, const rbtree_impl &y);
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friend bool operator>=(const rbtree_impl &x, const rbtree_impl &y);
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friend void swap(rbtree_impl &x, rbtree_impl &y);
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#endif //#ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED
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};
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//! Helper metafunction to define a \c rbtree that yields to the same type when the
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//! same options (either explicitly or implicitly) are used.
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#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED) || defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
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template<class T, class ...Options>
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#else
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template<class T, class O1 = void, class O2 = void
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, class O3 = void, class O4 = void
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, class O5 = void, class O6 = void>
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#endif
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struct make_rbtree
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{
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/// @cond
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typedef typename pack_options
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< rbtree_defaults,
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#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
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O1, O2, O3, O4, O5, O6
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#else
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Options...
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#endif
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>::type packed_options;
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typedef typename detail::get_value_traits
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<T, typename packed_options::proto_value_traits>::type value_traits;
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typedef rbtree_impl
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< value_traits
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, typename packed_options::key_of_value
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, typename packed_options::compare
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, typename packed_options::size_type
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, packed_options::constant_time_size
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, typename packed_options::header_holder_type
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> implementation_defined;
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/// @endcond
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typedef implementation_defined type;
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};
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#ifndef BOOST_INTRUSIVE_DOXYGEN_INVOKED
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#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
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template<class T, class O1, class O2, class O3, class O4, class O5, class O6>
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#else
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template<class T, class ...Options>
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#endif
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class rbtree
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: public make_rbtree<T,
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#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
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O1, O2, O3, O4, O5, O6
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#else
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Options...
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#endif
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>::type
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{
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typedef typename make_rbtree
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<T,
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#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
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O1, O2, O3, O4, O5, O6
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#else
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Options...
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#endif
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>::type Base;
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BOOST_MOVABLE_BUT_NOT_COPYABLE(rbtree)
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public:
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typedef typename Base::key_compare key_compare;
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typedef typename Base::value_traits value_traits;
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typedef typename Base::iterator iterator;
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typedef typename Base::const_iterator const_iterator;
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typedef typename Base::reverse_iterator reverse_iterator;
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typedef typename Base::const_reverse_iterator const_reverse_iterator;
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//Assert if passed value traits are compatible with the type
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BOOST_STATIC_ASSERT((detail::is_same<typename value_traits::value_type, T>::value));
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rbtree()
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: Base()
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{}
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explicit rbtree( const key_compare &cmp, const value_traits &v_traits = value_traits())
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: Base(cmp, v_traits)
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{}
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template<class Iterator>
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rbtree( bool unique, Iterator b, Iterator e
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, const key_compare &cmp = key_compare()
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, const value_traits &v_traits = value_traits())
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: Base(unique, b, e, cmp, v_traits)
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{}
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rbtree(BOOST_RV_REF(rbtree) x)
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: Base(BOOST_MOVE_BASE(Base, x))
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{}
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rbtree& operator=(BOOST_RV_REF(rbtree) x)
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{ return static_cast<rbtree &>(this->Base::operator=(BOOST_MOVE_BASE(Base, x))); }
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template <class Cloner, class Disposer>
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void clone_from(const rbtree &src, Cloner cloner, Disposer disposer)
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{ Base::clone_from(src, cloner, disposer); }
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template <class Cloner, class Disposer>
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void clone_from(BOOST_RV_REF(rbtree) src, Cloner cloner, Disposer disposer)
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{ Base::clone_from(BOOST_MOVE_BASE(Base, src), cloner, disposer); }
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static rbtree &container_from_end_iterator(iterator end_iterator)
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{ return static_cast<rbtree &>(Base::container_from_end_iterator(end_iterator)); }
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static const rbtree &container_from_end_iterator(const_iterator end_iterator)
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{ return static_cast<const rbtree &>(Base::container_from_end_iterator(end_iterator)); }
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static rbtree &container_from_iterator(iterator it)
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{ return static_cast<rbtree &>(Base::container_from_iterator(it)); }
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static const rbtree &container_from_iterator(const_iterator it)
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{ return static_cast<const rbtree &>(Base::container_from_iterator(it)); }
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};
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#endif
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} //namespace intrusive
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} //namespace boost
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#include <boost/intrusive/detail/config_end.hpp>
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#endif //BOOST_INTRUSIVE_RBTREE_HPP
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