diff options
Diffstat (limited to 'src/third_party/boost-1.69.0/boost/intrusive/treap.hpp')
| -rw-r--r-- | src/third_party/boost-1.69.0/boost/intrusive/treap.hpp | 1344 |
1 files changed, 1344 insertions, 0 deletions
diff --git a/src/third_party/boost-1.69.0/boost/intrusive/treap.hpp b/src/third_party/boost-1.69.0/boost/intrusive/treap.hpp new file mode 100644 index 00000000000..c6f63ff2deb --- /dev/null +++ b/src/third_party/boost-1.69.0/boost/intrusive/treap.hpp @@ -0,0 +1,1344 @@ +///////////////////////////////////////////////////////////////////////////// +// +// (C) Copyright Ion Gaztanaga 2008-2013 +// +// Distributed under the Boost Software License, Version 1.0. +// (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) +// +// See http://www.boost.org/libs/intrusive for documentation. +// +///////////////////////////////////////////////////////////////////////////// +#ifndef BOOST_INTRUSIVE_TREAP_HPP +#define BOOST_INTRUSIVE_TREAP_HPP + +#include <boost/intrusive/detail/config_begin.hpp> +#include <boost/intrusive/intrusive_fwd.hpp> + +#include <boost/intrusive/detail/assert.hpp> +#include <boost/intrusive/bs_set_hook.hpp> +#include <boost/intrusive/bstree.hpp> +#include <boost/intrusive/detail/tree_node.hpp> +#include <boost/intrusive/detail/ebo_functor_holder.hpp> +#include <boost/intrusive/pointer_traits.hpp> +#include <boost/intrusive/detail/get_value_traits.hpp> +#include <boost/intrusive/detail/mpl.hpp> +#include <boost/intrusive/treap_algorithms.hpp> +#include <boost/intrusive/link_mode.hpp> +#include <boost/intrusive/priority_compare.hpp> +#include <boost/intrusive/detail/node_cloner_disposer.hpp> +#include <boost/intrusive/detail/key_nodeptr_comp.hpp> + +#include <boost/static_assert.hpp> +#include <boost/move/utility_core.hpp> +#include <boost/move/adl_move_swap.hpp> + +#include <cstddef> +#include <boost/intrusive/detail/minimal_less_equal_header.hpp> +#include <boost/intrusive/detail/minimal_pair_header.hpp> //std::pair + +#if defined(BOOST_HAS_PRAGMA_ONCE) +# pragma once +#endif + +namespace boost { +namespace intrusive { + +/// @cond + +struct treap_defaults + : bstree_defaults +{ + typedef void priority; +}; + +/// @endcond + +//! The class template treap is an intrusive treap container that +//! is used to construct intrusive set and multiset containers. The no-throw +//! guarantee holds only, if the key_compare object and priority_compare object +//! don't throw. +//! +//! The template parameter \c T is the type to be managed by the container. +//! The user can specify additional options and if no options are provided +//! default options are used. +//! +//! The container supports the following options: +//! \c base_hook<>/member_hook<>/value_traits<>, +//! \c constant_time_size<>, \c size_type<>, +//! \c compare<> and \c priority_compare<> +#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED) +template<class T, class ...Options> +#else +template<class ValueTraits, class VoidOrKeyOfValue, class VoidOrKeyComp, class VoidOrPrioComp, class SizeType, bool ConstantTimeSize, typename HeaderHolder> +#endif +class treap_impl + /// @cond + : public bstree_impl<ValueTraits, VoidOrKeyOfValue, VoidOrKeyComp, SizeType, ConstantTimeSize, BsTreeAlgorithms, HeaderHolder> + //Use public inheritance to avoid MSVC bugs with closures + , public detail::ebo_functor_holder + < typename get_prio + < VoidOrPrioComp + , typename bstree_impl + <ValueTraits, VoidOrKeyOfValue, VoidOrKeyComp, SizeType, ConstantTimeSize, BsTreeAlgorithms, HeaderHolder>::key_type>::type + > + /// @endcond +{ + public: + typedef ValueTraits value_traits; + /// @cond + typedef bstree_impl< ValueTraits, VoidOrKeyOfValue, VoidOrKeyComp, SizeType + , ConstantTimeSize, BsTreeAlgorithms + , HeaderHolder> tree_type; + typedef tree_type implementation_defined; + typedef get_prio + < VoidOrPrioComp + , typename tree_type::key_type> get_prio_type; + + typedef detail::ebo_functor_holder + <typename get_prio_type::type> prio_base; + + /// @endcond + + typedef typename implementation_defined::pointer pointer; + typedef typename implementation_defined::const_pointer const_pointer; + typedef typename implementation_defined::value_type value_type; + typedef typename implementation_defined::key_type key_type; + typedef typename implementation_defined::key_of_value key_of_value; + typedef typename implementation_defined::reference reference; + typedef typename implementation_defined::const_reference const_reference; + typedef typename implementation_defined::difference_type difference_type; + typedef typename implementation_defined::size_type size_type; + typedef typename implementation_defined::value_compare value_compare; + typedef typename implementation_defined::key_compare key_compare; + typedef typename implementation_defined::iterator iterator; + typedef typename implementation_defined::const_iterator const_iterator; + typedef typename implementation_defined::reverse_iterator reverse_iterator; + typedef typename implementation_defined::const_reverse_iterator const_reverse_iterator; + typedef typename implementation_defined::node_traits node_traits; + typedef typename implementation_defined::node node; + typedef typename implementation_defined::node_ptr node_ptr; + typedef typename implementation_defined::const_node_ptr const_node_ptr; + typedef BOOST_INTRUSIVE_IMPDEF(treap_algorithms<node_traits>) node_algorithms; + typedef BOOST_INTRUSIVE_IMPDEF(typename get_prio_type::type) priority_compare; + + static const bool constant_time_size = implementation_defined::constant_time_size; + static const bool stateful_value_traits = implementation_defined::stateful_value_traits; + static const bool safemode_or_autounlink = is_safe_autounlink<value_traits::link_mode>::value; + + typedef detail::key_nodeptr_comp<priority_compare, value_traits, key_of_value> key_node_prio_comp_t; + + template<class KeyPrioComp> + detail::key_nodeptr_comp<KeyPrioComp, value_traits, key_of_value> key_node_prio_comp(KeyPrioComp keypriocomp) const + { return detail::key_nodeptr_comp<KeyPrioComp, value_traits, key_of_value>(keypriocomp, &this->get_value_traits()); } + + /// @cond + private: + + //noncopyable + BOOST_MOVABLE_BUT_NOT_COPYABLE(treap_impl) + + const priority_compare &priv_pcomp() const + { return static_cast<const prio_base&>(*this).get(); } + + priority_compare &priv_pcomp() + { return static_cast<prio_base&>(*this).get(); } + + /// @endcond + + public: + typedef typename node_algorithms::insert_commit_data insert_commit_data; + + //! <b>Effects</b>: Constructs an empty container. + //! + //! <b>Complexity</b>: Constant. + //! + //! <b>Throws</b>: If value_traits::node_traits::node + //! constructor throws (this does not happen with predefined Boost.Intrusive hooks) + //! or the copy constructor of the value_compare/priority_compare objects throw. Basic guarantee. + treap_impl() + : tree_type(), prio_base(priority_compare()) + {} + + //! <b>Effects</b>: Constructs an empty container. + //! + //! <b>Complexity</b>: Constant. + //! + //! <b>Throws</b>: If value_traits::node_traits::node + //! constructor throws (this does not happen with predefined Boost.Intrusive hooks) + //! or the copy constructor of the value_compare/priority_compare objects throw. Basic guarantee. + explicit treap_impl( const key_compare &cmp + , const priority_compare &pcmp = priority_compare() + , const value_traits &v_traits = value_traits()) + : tree_type(cmp, v_traits), prio_base(pcmp) + {} + + //! <b>Requires</b>: Dereferencing iterator must yield an lvalue of type value_type. + //! cmp must be a comparison function that induces a strict weak ordering. + //! + //! <b>Effects</b>: Constructs an empty container and inserts elements from + //! [b, e). + //! + //! <b>Complexity</b>: Linear in N if [b, e) is already sorted using + //! comp and otherwise N * log N, where N is the distance between first and last. + //! + //! <b>Throws</b>: If value_traits::node_traits::node + //! constructor throws (this does not happen with predefined Boost.Intrusive hooks) + //! or the copy constructor/operator() of the key_compare/priority_compare objects + //! throw. Basic guarantee. + template<class Iterator> + treap_impl( bool unique, Iterator b, Iterator e + , const key_compare &cmp = key_compare() + , const priority_compare &pcmp = priority_compare() + , const value_traits &v_traits = value_traits()) + : tree_type(cmp, v_traits), prio_base(pcmp) + { + if(unique) + this->insert_unique(b, e); + else + this->insert_equal(b, e); + } + + //! @copydoc ::boost::intrusive::bstree::bstree(bstree &&) + treap_impl(BOOST_RV_REF(treap_impl) x) + : tree_type(BOOST_MOVE_BASE(tree_type, x)) + , prio_base(::boost::move(x.priv_pcomp())) + {} + + //! @copydoc ::boost::intrusive::bstree::operator=(bstree &&) + treap_impl& operator=(BOOST_RV_REF(treap_impl) x) + { this->swap(x); return *this; } + + #ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED + //! @copydoc ::boost::intrusive::bstree::~bstree() + ~treap_impl(); + + //! @copydoc ::boost::intrusive::bstree::begin() + iterator begin(); + + //! @copydoc ::boost::intrusive::bstree::begin()const + const_iterator begin() const; + + //! @copydoc ::boost::intrusive::bstree::cbegin()const + const_iterator cbegin() const; + + //! @copydoc ::boost::intrusive::bstree::end() + iterator end(); + + //! @copydoc ::boost::intrusive::bstree::end()const + const_iterator end() const; + + //! @copydoc ::boost::intrusive::bstree::cend()const + const_iterator cend() const; + #endif + + //! <b>Effects</b>: Returns an iterator pointing to the highest priority object of the treap. + //! + //! <b>Complexity</b>: Constant. + //! + //! <b>Throws</b>: Nothing. + iterator top() + { return this->tree_type::root(); } + + //! <b>Effects</b>: Returns a const_iterator pointing to the highest priority object of the treap.. + //! + //! <b>Complexity</b>: Constant. + //! + //! <b>Throws</b>: Nothing. + const_iterator top() const + { return this->ctop(); } + + //! <b>Effects</b>: Returns a const_iterator pointing to the highest priority object of the treap.. + //! + //! <b>Complexity</b>: Constant. + //! + //! <b>Throws</b>: Nothing. + const_iterator ctop() const + { return this->tree_type::root(); } + + #ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED + //! @copydoc ::boost::intrusive::bstree::rbegin() + reverse_iterator rbegin(); + + //! @copydoc ::boost::intrusive::bstree::rbegin()const + const_reverse_iterator rbegin() const; + + //! @copydoc ::boost::intrusive::bstree::crbegin()const + const_reverse_iterator crbegin() const; + + //! @copydoc ::boost::intrusive::bstree::rend() + reverse_iterator rend(); + + //! @copydoc ::boost::intrusive::bstree::rend()const + const_reverse_iterator rend() const; + + //! @copydoc ::boost::intrusive::bstree::crend()const + const_reverse_iterator crend() const; + + //! @copydoc ::boost::intrusive::bstree::root() + iterator root(); + + //! @copydoc ::boost::intrusive::bstree::root()const + const_iterator root() const; + + //! @copydoc ::boost::intrusive::bstree::croot()const + const_iterator croot() const; + + #endif + + //! <b>Effects</b>: Returns a reverse_iterator pointing to the highest priority object of the + //! reversed treap. + //! + //! <b>Complexity</b>: Constant. + //! + //! <b>Throws</b>: Nothing. + reverse_iterator rtop() + { return reverse_iterator(this->top()); } + + //! <b>Effects</b>: Returns a const_reverse_iterator pointing to the highest priority objec + //! of the reversed treap. + //! + //! <b>Complexity</b>: Constant. + //! + //! <b>Throws</b>: Nothing. + const_reverse_iterator rtop() const + { return const_reverse_iterator(this->top()); } + + //! <b>Effects</b>: Returns a const_reverse_iterator pointing to the highest priority object + //! of the reversed treap. + //! + //! <b>Complexity</b>: Constant. + //! + //! <b>Throws</b>: Nothing. + const_reverse_iterator crtop() const + { return const_reverse_iterator(this->top()); } + + #ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED + //! @copydoc ::boost::intrusive::bstree::container_from_end_iterator(iterator) + static treap_impl &container_from_end_iterator(iterator end_iterator); + + //! @copydoc ::boost::intrusive::bstree::container_from_end_iterator(const_iterator) + static const treap_impl &container_from_end_iterator(const_iterator end_iterator); + + //! @copydoc ::boost::intrusive::bstree::container_from_iterator(iterator) + static treap_impl &container_from_iterator(iterator it); + + //! @copydoc ::boost::intrusive::bstree::container_from_iterator(const_iterator) + static const treap_impl &container_from_iterator(const_iterator it); + + //! @copydoc ::boost::intrusive::bstree::key_comp()const + key_compare key_comp() const; + + //! @copydoc ::boost::intrusive::bstree::value_comp()const + value_compare value_comp() const; + + //! @copydoc ::boost::intrusive::bstree::empty()const + bool empty() const; + + //! @copydoc ::boost::intrusive::bstree::size()const + size_type size() const; + #endif //#ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED + + //! <b>Effects</b>: Returns the priority_compare object used by the container. + //! + //! <b>Complexity</b>: Constant. + //! + //! <b>Throws</b>: If priority_compare copy-constructor throws. + priority_compare priority_comp() const + { return this->priv_pcomp(); } + + //! <b>Effects</b>: Swaps the contents of two treaps. + //! + //! <b>Complexity</b>: Constant. + //! + //! <b>Throws</b>: If the comparison functor's swap call throws. + void swap(treap_impl& other) + { + //This can throw + ::boost::adl_move_swap(this->priv_pcomp(), other.priv_pcomp()); + tree_type::swap(other); + } + + //! <b>Requires</b>: Disposer::operator()(pointer) shouldn't throw. + //! Cloner should yield to nodes equivalent to the original nodes. + //! + //! <b>Effects</b>: Erases all the elements from *this + //! calling Disposer::operator()(pointer), clones all the + //! elements from src calling Cloner::operator()(const_reference ) + //! and inserts them on *this. Copies the predicate from the source container. + //! + //! If cloner throws, all cloned elements are unlinked and disposed + //! calling Disposer::operator()(pointer). + //! + //! <b>Complexity</b>: Linear to erased plus inserted elements. + //! + //! <b>Throws</b>: If cloner throws or predicate copy assignment throws. Basic guarantee. + template <class Cloner, class Disposer> + void clone_from(const treap_impl &src, Cloner cloner, Disposer disposer) + { + tree_type::clone_from(src, cloner, disposer); + this->priv_pcomp() = src.priv_pcomp(); + } + + //! <b>Requires</b>: Disposer::operator()(pointer) shouldn't throw. + //! Cloner should yield to nodes equivalent to the original nodes. + //! + //! <b>Effects</b>: Erases all the elements from *this + //! calling Disposer::operator()(pointer), clones all the + //! elements from src calling Cloner::operator()(reference) + //! and inserts them on *this. Copies the predicate from the source container. + //! + //! If cloner throws, all cloned elements are unlinked and disposed + //! calling Disposer::operator()(pointer). + //! + //! <b>Complexity</b>: Linear to erased plus inserted elements. + //! + //! <b>Throws</b>: If cloner throws or predicate copy assignment throws. Basic guarantee. + template <class Cloner, class Disposer> + void clone_from(BOOST_RV_REF(treap_impl) src, Cloner cloner, Disposer disposer) + { + tree_type::clone_from(BOOST_MOVE_BASE(tree_type, src), cloner, disposer); + this->priv_pcomp() = ::boost::move(src.priv_pcomp()); + } + + //! <b>Requires</b>: value must be an lvalue + //! + //! <b>Effects</b>: Inserts value into the container before the upper bound. + //! + //! <b>Complexity</b>: Average complexity for insert element is at + //! most logarithmic. + //! + //! <b>Throws</b>: If the internal key_compare or priority_compare functions throw. Strong guarantee. + //! + //! <b>Note</b>: Does not affect the validity of iterators and references. + //! No copy-constructors are called. + iterator insert_equal(reference value) + { + node_ptr to_insert(this->get_value_traits().to_node_ptr(value)); + BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(!safemode_or_autounlink || node_algorithms::unique(to_insert)); + iterator ret + ( node_algorithms::insert_equal_upper_bound + ( this->tree_type::header_ptr() + , to_insert + , this->key_node_comp(this->key_comp()) + , this->key_node_prio_comp(this->priv_pcomp())) + , this->priv_value_traits_ptr()); + this->tree_type::sz_traits().increment(); + return ret; + } + + //! <b>Requires</b>: value must be an lvalue, and "hint" must be + //! a valid iterator. + //! + //! <b>Effects</b>: Inserts x into the container, using "hint" as a hint to + //! where it will be inserted. If "hint" is the upper_bound + //! the insertion takes constant time (two comparisons in the worst case) + //! + //! <b>Complexity</b>: Logarithmic in general, but it is amortized + //! constant time if t is inserted immediately before hint. + //! + //! <b>Throws</b>: If the internal key_compare or priority_compare functions throw. Strong guarantee. + //! + //! <b>Note</b>: Does not affect the validity of iterators and references. + //! No copy-constructors are called. + iterator insert_equal(const_iterator hint, reference value) + { + node_ptr to_insert(this->get_value_traits().to_node_ptr(value)); + BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(!safemode_or_autounlink || node_algorithms::unique(to_insert)); + iterator ret + (node_algorithms::insert_equal + ( this->tree_type::header_ptr() + , hint.pointed_node() + , to_insert + , this->key_node_comp(this->key_comp()) + , this->key_node_prio_comp(this->priv_pcomp())) + , this->priv_value_traits_ptr()); + this->tree_type::sz_traits().increment(); + return ret; + } + + //! <b>Requires</b>: Dereferencing iterator must yield an lvalue + //! of type value_type. + //! + //! <b>Effects</b>: Inserts a each element of a range into the container + //! before the upper bound of the key of each element. + //! + //! <b>Complexity</b>: Insert range is in general O(N * log(N)), where N is the + //! size of the range. However, it is linear in N if the range is already sorted + //! by key_comp(). + //! + //! <b>Throws</b>: If the internal key_compare or priority_compare functions throw. + //! Strong guarantee. + //! + //! <b>Note</b>: Does not affect the validity of iterators and references. + //! No copy-constructors are called. + template<class Iterator> + void insert_equal(Iterator b, Iterator e) + { + iterator iend(this->end()); + for (; b != e; ++b) + this->insert_equal(iend, *b); + } + + //! <b>Requires</b>: value must be an lvalue + //! + //! <b>Effects</b>: Inserts value into the container if the value + //! is not already present. + //! + //! <b>Complexity</b>: Average complexity for insert element is at + //! most logarithmic. + //! + //! <b>Throws</b>: If the internal key_compare or priority_compare functions throw. + //! Strong guarantee. + //! + //! <b>Note</b>: Does not affect the validity of iterators and references. + //! No copy-constructors are called. + std::pair<iterator, bool> insert_unique(reference value) + { + insert_commit_data commit_data; + std::pair<iterator, bool> ret = this->insert_unique_check(key_of_value()(value), commit_data); + if(!ret.second) + return ret; + return std::pair<iterator, bool> (this->insert_unique_commit(value, commit_data), true); + } + + //! <b>Requires</b>: value must be an lvalue, and "hint" must be + //! a valid iterator + //! + //! <b>Effects</b>: Tries to insert x into the container, using "hint" as a hint + //! to where it will be inserted. + //! + //! <b>Complexity</b>: Logarithmic in general, but it is amortized + //! constant time (two comparisons in the worst case) + //! if t is inserted immediately before hint. + //! + //! <b>Throws</b>: If the internal key_compare or priority_compare functions throw. + //! Strong guarantee. + //! + //! <b>Note</b>: Does not affect the validity of iterators and references. + //! No copy-constructors are called. + iterator insert_unique(const_iterator hint, reference value) + { + insert_commit_data commit_data; + std::pair<iterator, bool> ret = this->insert_unique_check(hint, key_of_value()(value), commit_data); + if(!ret.second) + return ret.first; + return this->insert_unique_commit(value, commit_data); + } + + //! <b>Requires</b>: Dereferencing iterator must yield an lvalue + //! of type value_type. + //! + //! <b>Effects</b>: Tries to insert each element of a range into the container. + //! + //! <b>Complexity</b>: Insert range is in general O(N * log(N)), where N is the + //! size of the range. However, it is linear in N if the range is already sorted + //! by key_comp(). + //! + //! <b>Throws</b>: If the internal key_compare or priority_compare functions throw. + //! Strong guarantee. + //! + //! <b>Note</b>: Does not affect the validity of iterators and references. + //! No copy-constructors are called. + template<class Iterator> + void insert_unique(Iterator b, Iterator e) + { + if(this->empty()){ + iterator iend(this->end()); + for (; b != e; ++b) + this->insert_unique(iend, *b); + } + else{ + for (; b != e; ++b) + this->insert_unique(*b); + } + } + + //! <b>Effects</b>: Checks if a value can be inserted in the container, using + //! a user provided key instead of the value itself. + //! + //! <b>Returns</b>: If there is an equivalent value + //! returns a pair containing an iterator to the already present value + //! and false. If the value can be inserted returns true in the returned + //! pair boolean and fills "commit_data" that is meant to be used with + //! the "insert_commit" function. + //! + //! <b>Complexity</b>: Average complexity is at most logarithmic. + //! + //! <b>Throws</b>: If the comparison or predicate functions throw. Strong guarantee. + //! + //! <b>Notes</b>: This function is used to improve performance when constructing + //! a value_type is expensive: if there is an equivalent value + //! the constructed object must be discarded. Many times, the part of the + //! node that is used to impose the order is much cheaper to construct + //! than the value_type and this function offers the possibility to use that + //! part to check if the insertion will be successful. + //! + //! If the check is successful, the user can construct the value_type and use + //! "insert_commit" to insert the object in constant-time. This gives a total + //! logarithmic complexity to the insertion: check(O(log(N)) + commit(O(1)). + //! + //! "commit_data" remains valid for a subsequent "insert_commit" only if no more + //! objects are inserted or erased from the container. + std::pair<iterator, bool> insert_unique_check + ( const key_type &key, insert_commit_data &commit_data) + { return this->insert_unique_check(key, this->key_comp(), this->priv_pcomp(), commit_data); } + + //! <b>Effects</b>: Checks if a value can be inserted in the container, using + //! a user provided key instead of the value itself, using "hint" + //! as a hint to where it will be inserted. + //! + //! <b>Returns</b>: If there is an equivalent value + //! returns a pair containing an iterator to the already present value + //! and false. If the value can be inserted returns true in the returned + //! pair boolean and fills "commit_data" that is meant to be used with + //! the "insert_commit" function. + //! + //! <b>Complexity</b>: Logarithmic in general, but it's amortized + //! constant time if t is inserted immediately before hint. + //! + //! <b>Throws</b>: If the comparison or predicate functions throw. Strong guarantee. + //! + //! <b>Notes</b>: This function is used to improve performance when constructing + //! a value_type is expensive: if there is an equivalent value + //! the constructed object must be discarded. Many times, the part of the + //! constructing that is used to impose the order is much cheaper to construct + //! than the value_type and this function offers the possibility to use that key + //! to check if the insertion will be successful. + //! + //! If the check is successful, the user can construct the value_type and use + //! "insert_commit" to insert the object in constant-time. This can give a total + //! constant-time complexity to the insertion: check(O(1)) + commit(O(1)). + //! + //! "commit_data" remains valid for a subsequent "insert_commit" only if no more + //! objects are inserted or erased from the container. + std::pair<iterator, bool> insert_unique_check + ( const_iterator hint, const key_type &key, insert_commit_data &commit_data) + { return this->insert_unique_check(hint, key, this->key_comp(), this->priv_pcomp(), commit_data); } + + //! <b>Requires</b>: comp must be a comparison function that induces + //! the same strict weak ordering as key_compare. + //! key_value_pcomp must be a comparison function that induces + //! the same strict weak ordering as priority_compare. The difference is that + //! key_value_pcomp and comp compare an arbitrary key with the contained values. + //! + //! <b>Effects</b>: Checks if a value can be inserted in the container, using + //! a user provided key instead of the value itself. + //! + //! <b>Returns</b>: If there is an equivalent value + //! returns a pair containing an iterator to the already present value + //! and false. If the value can be inserted returns true in the returned + //! pair boolean and fills "commit_data" that is meant to be used with + //! the "insert_commit" function. + //! + //! <b>Complexity</b>: Average complexity is at most logarithmic. + //! + //! <b>Throws</b>: If the comp or key_value_pcomp + //! ordering functions throw. Strong guarantee. + //! + //! <b>Notes</b>: This function is used to improve performance when constructing + //! a value_type is expensive: if there is an equivalent value + //! the constructed object must be discarded. Many times, the part of the + //! node that is used to impose the order is much cheaper to construct + //! than the value_type and this function offers the possibility to use that + //! part to check if the insertion will be successful. + //! + //! If the check is successful, the user can construct the value_type and use + //! "insert_commit" to insert the object in constant-time. This gives a total + //! logarithmic complexity to the insertion: check(O(log(N)) + commit(O(1)). + //! + //! "commit_data" remains valid for a subsequent "insert_commit" only if no more + //! objects are inserted or erased from the container. + template<class KeyType, class KeyTypeKeyCompare, class KeyValuePrioCompare> + BOOST_INTRUSIVE_DOC1ST(std::pair<iterator BOOST_INTRUSIVE_I bool> + , typename detail::disable_if_convertible + <KeyType BOOST_INTRUSIVE_I const_iterator BOOST_INTRUSIVE_I + std::pair<iterator BOOST_INTRUSIVE_I bool> >::type) + insert_unique_check + ( const KeyType &key, KeyTypeKeyCompare comp + , KeyValuePrioCompare key_value_pcomp, insert_commit_data &commit_data) + { + std::pair<node_ptr, bool> const ret = + (node_algorithms::insert_unique_check + ( this->tree_type::header_ptr(), key + , this->key_node_comp(comp), this->key_node_prio_comp(key_value_pcomp), commit_data)); + return std::pair<iterator, bool>(iterator(ret.first, this->priv_value_traits_ptr()), ret.second); + } + + //! <b>Requires</b>: comp must be a comparison function that induces + //! the same strict weak ordering as key_compare. + //! key_value_pcomp must be a comparison function that induces + //! the same strict weak ordering as priority_compare. The difference is that + //! key_value_pcomp and comp compare an arbitrary key with the contained values. + //! + //! <b>Effects</b>: Checks if a value can be inserted in the container, using + //! a user provided key instead of the value itself, using "hint" + //! as a hint to where it will be inserted. + //! + //! <b>Returns</b>: If there is an equivalent value + //! returns a pair containing an iterator to the already present value + //! and false. If the value can be inserted returns true in the returned + //! pair boolean and fills "commit_data" that is meant to be used with + //! the "insert_commit" function. + //! + //! <b>Complexity</b>: Logarithmic in general, but it's amortized + //! constant time if t is inserted immediately before hint. + //! + //! <b>Throws</b>: If the comp or key_value_pcomp + //! ordering functions throw. Strong guarantee. + //! + //! <b>Notes</b>: This function is used to improve performance when constructing + //! a value_type is expensive: if there is an equivalent value + //! the constructed object must be discarded. Many times, the part of the + //! constructing that is used to impose the order is much cheaper to construct + //! than the value_type and this function offers the possibility to use that key + //! to check if the insertion will be successful. + //! + //! If the check is successful, the user can construct the value_type and use + //! "insert_commit" to insert the object in constant-time. This can give a total + //! constant-time complexity to the insertion: check(O(1)) + commit(O(1)). + //! + //! "commit_data" remains valid for a subsequent "insert_commit" only if no more + //! objects are inserted or erased from the container. + template<class KeyType, class KeyTypeKeyCompare, class KeyValuePrioCompare> + std::pair<iterator, bool> insert_unique_check + ( const_iterator hint, const KeyType &key + , KeyTypeKeyCompare comp + , KeyValuePrioCompare key_value_pcomp + , insert_commit_data &commit_data) + { + std::pair<node_ptr, bool> const ret = + (node_algorithms::insert_unique_check + ( this->tree_type::header_ptr(), hint.pointed_node(), key + , this->key_node_comp(comp), this->key_node_prio_comp(key_value_pcomp), commit_data)); + return std::pair<iterator, bool>(iterator(ret.first, this->priv_value_traits_ptr()), ret.second); + } + + //! <b>Requires</b>: value must be an lvalue of type value_type. commit_data + //! must have been obtained from a previous call to "insert_check". + //! No objects should have been inserted or erased from the container between + //! the "insert_check" that filled "commit_data" and the call to "insert_commit". + //! + //! <b>Effects</b>: Inserts the value in the avl_set using the information obtained + //! from the "commit_data" that a previous "insert_check" filled. + //! + //! <b>Returns</b>: An iterator to the newly inserted object. + //! + //! <b>Complexity</b>: Constant time. + //! + //! <b>Throws</b>: Nothing + //! + //! <b>Notes</b>: This function has only sense if a "insert_check" has been + //! previously executed to fill "commit_data". No value should be inserted or + //! erased between the "insert_check" and "insert_commit" calls. + iterator insert_unique_commit(reference value, const insert_commit_data &commit_data) + { + node_ptr to_insert(this->get_value_traits().to_node_ptr(value)); + BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(!safemode_or_autounlink || node_algorithms::unique(to_insert)); + node_algorithms::insert_unique_commit(this->tree_type::header_ptr(), to_insert, commit_data); + this->tree_type::sz_traits().increment(); + return iterator(to_insert, this->priv_value_traits_ptr()); + } + + //! <b>Requires</b>: value must be an lvalue, "pos" must be + //! a valid iterator (or end) and must be the succesor of value + //! once inserted according to the predicate + //! + //! <b>Effects</b>: Inserts x into the container before "pos". + //! + //! <b>Complexity</b>: Constant time. + //! + //! <b>Throws</b>: If the internal priority_compare function throws. Strong guarantee. + //! + //! <b>Note</b>: This function does not check preconditions so if "pos" is not + //! the successor of "value" container ordering invariant will be broken. + //! This is a low-level function to be used only for performance reasons + //! by advanced users. + iterator insert_before(const_iterator pos, reference value) + { + node_ptr to_insert(this->get_value_traits().to_node_ptr(value)); + BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(!safemode_or_autounlink || node_algorithms::unique(to_insert)); + iterator ret + ( node_algorithms::insert_before + ( this->tree_type::header_ptr() + , pos.pointed_node() + , to_insert + , this->key_node_prio_comp(this->priv_pcomp()) + ) + , this->priv_value_traits_ptr()); + this->tree_type::sz_traits().increment(); + return ret; + } + + //! <b>Requires</b>: value must be an lvalue, and it must be no less + //! than the greatest inserted key + //! + //! <b>Effects</b>: Inserts x into the container in the last position. + //! + //! <b>Complexity</b>: Constant time. + //! + //! <b>Throws</b>: If the internal priority_compare function throws. Strong guarantee. + //! + //! <b>Note</b>: This function does not check preconditions so if value is + //! less than the greatest inserted key container ordering invariant will be broken. + //! This function is slightly more efficient than using "insert_before". + //! This is a low-level function to be used only for performance reasons + //! by advanced users. + void push_back(reference value) + { + node_ptr to_insert(this->get_value_traits().to_node_ptr(value)); + BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(!safemode_or_autounlink || node_algorithms::unique(to_insert)); + node_algorithms::push_back + (this->tree_type::header_ptr(), to_insert, this->key_node_prio_comp(this->priv_pcomp())); + this->tree_type::sz_traits().increment(); + } + + //! <b>Requires</b>: value must be an lvalue, and it must be no greater + //! than the minimum inserted key + //! + //! <b>Effects</b>: Inserts x into the container in the first position. + //! + //! <b>Complexity</b>: Constant time. + //! + //! <b>Throws</b>: If the internal priority_compare function throws. Strong guarantee. + //! + //! <b>Note</b>: This function does not check preconditions so if value is + //! greater than the minimum inserted key container ordering invariant will be broken. + //! This function is slightly more efficient than using "insert_before". + //! This is a low-level function to be used only for performance reasons + //! by advanced users. + void push_front(reference value) + { + node_ptr to_insert(this->get_value_traits().to_node_ptr(value)); + BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(!safemode_or_autounlink || node_algorithms::unique(to_insert)); + node_algorithms::push_front + (this->tree_type::header_ptr(), to_insert, this->key_node_prio_comp(this->priv_pcomp())); + this->tree_type::sz_traits().increment(); + } + + //! <b>Effects</b>: Erases the element pointed to by i. + //! + //! <b>Complexity</b>: Average complexity for erase element is constant time. + //! + //! <b>Throws</b>: if the internal priority_compare function throws. Strong guarantee. + //! + //! <b>Note</b>: Invalidates the iterators (but not the references) + //! to the erased elements. No destructors are called. + iterator erase(const_iterator i) + { + const_iterator ret(i); + ++ret; + node_ptr to_erase(i.pointed_node()); + BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(!safemode_or_autounlink || !node_algorithms::unique(to_erase)); + node_algorithms::erase + (this->tree_type::header_ptr(), to_erase, this->key_node_prio_comp(this->priv_pcomp())); + this->tree_type::sz_traits().decrement(); + if(safemode_or_autounlink) + node_algorithms::init(to_erase); + return ret.unconst(); + } + + //! <b>Effects</b>: Erases the range pointed to by b end e. + //! + //! <b>Complexity</b>: Average complexity for erase range is at most + //! O(log(size() + N)), where N is the number of elements in the range. + //! + //! <b>Throws</b>: if the internal priority_compare function throws. Strong guarantee. + //! + //! <b>Note</b>: Invalidates the iterators (but not the references) + //! to the erased elements. No destructors are called. + iterator erase(const_iterator b, const_iterator e) + { size_type n; return private_erase(b, e, n); } + + //! <b>Effects</b>: Erases all the elements with the given value. + //! + //! <b>Returns</b>: The number of erased elements. + //! + //! <b>Complexity</b>: O(log(size() + N). + //! + //! <b>Throws</b>: if the internal priority_compare function throws. Strong guarantee. + //! + //! <b>Note</b>: Invalidates the iterators (but not the references) + //! to the erased elements. No destructors are called. + size_type erase(const key_type &key) + { return this->erase(key, this->key_comp()); } + + //! <b>Effects</b>: Erases all the elements with the given key. + //! according to the comparison functor "comp". + //! + //! <b>Returns</b>: The number of erased elements. + //! + //! <b>Complexity</b>: O(log(size() + N). + //! + //! <b>Throws</b>: if the internal priority_compare function throws. + //! Equivalent guarantee to <i>while(beg != end) erase(beg++);</i> + //! + //! <b>Note</b>: Invalidates the iterators (but not the references) + //! to the erased elements. No destructors are called. + template<class KeyType, class KeyTypeKeyCompare> + BOOST_INTRUSIVE_DOC1ST(size_type + , typename detail::disable_if_convertible<KeyTypeKeyCompare BOOST_INTRUSIVE_I const_iterator BOOST_INTRUSIVE_I size_type>::type) + erase(const KeyType& key, KeyTypeKeyCompare comp) + { + std::pair<iterator,iterator> p = this->equal_range(key, comp); + size_type n; + private_erase(p.first, p.second, n); + return n; + } + + //! <b>Requires</b>: Disposer::operator()(pointer) shouldn't throw. + //! + //! <b>Effects</b>: Erases the element pointed to by i. + //! Disposer::operator()(pointer) is called for the removed element. + //! + //! <b>Complexity</b>: Average complexity for erase element is constant time. + //! + //! <b>Throws</b>: if the internal priority_compare function throws. Strong guarantee. + //! + //! <b>Note</b>: Invalidates the iterators + //! to the erased elements. + template<class Disposer> + iterator erase_and_dispose(const_iterator i, Disposer disposer) + { + node_ptr to_erase(i.pointed_node()); + iterator ret(this->erase(i)); + disposer(this->get_value_traits().to_value_ptr(to_erase)); + return ret; + } + + #if !defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED) + template<class Disposer> + iterator erase_and_dispose(iterator i, Disposer disposer) + { return this->erase_and_dispose(const_iterator(i), disposer); } + #endif + + //! <b>Requires</b>: Disposer::operator()(pointer) shouldn't throw. + //! + //! <b>Effects</b>: Erases the range pointed to by b end e. + //! Disposer::operator()(pointer) is called for the removed elements. + //! + //! <b>Complexity</b>: Average complexity for erase range is at most + //! O(log(size() + N)), where N is the number of elements in the range. + //! + //! <b>Throws</b>: if the internal priority_compare function throws. Strong guarantee. + //! + //! <b>Note</b>: Invalidates the iterators + //! to the erased elements. + template<class Disposer> + iterator erase_and_dispose(const_iterator b, const_iterator e, Disposer disposer) + { size_type n; return private_erase(b, e, n, disposer); } + + //! <b>Requires</b>: Disposer::operator()(pointer) shouldn't throw. + //! + //! <b>Effects</b>: Erases all the elements with the given value. + //! Disposer::operator()(pointer) is called for the removed elements. + //! + //! <b>Returns</b>: The number of erased elements. + //! + //! <b>Complexity</b>: O(log(size() + N). + //! + //! <b>Throws</b>: if the priority_compare function throws then weak guarantee and heap invariants are broken. + //! The safest thing would be to clear or destroy the container. + //! + //! <b>Note</b>: Invalidates the iterators (but not the references) + //! to the erased elements. No destructors are called. + template<class Disposer> + size_type erase_and_dispose(const key_type &key, Disposer disposer) + { + std::pair<iterator,iterator> p = this->equal_range(key); + size_type n; + private_erase(p.first, p.second, n, disposer); + return n; + } + + //! <b>Requires</b>: Disposer::operator()(pointer) shouldn't throw. + //! + //! <b>Effects</b>: Erases all the elements with the given key. + //! according to the comparison functor "comp". + //! Disposer::operator()(pointer) is called for the removed elements. + //! + //! <b>Returns</b>: The number of erased elements. + //! + //! <b>Complexity</b>: O(log(size() + N). + //! + //! <b>Throws</b>: if the priority_compare function throws then weak guarantee and heap invariants are broken. + //! The safest thing would be to clear or destroy the container. + //! + //! <b>Note</b>: Invalidates the iterators + //! to the erased elements. + template<class KeyType, class KeyTypeKeyCompare, class Disposer> + BOOST_INTRUSIVE_DOC1ST(size_type + , typename detail::disable_if_convertible<KeyTypeKeyCompare BOOST_INTRUSIVE_I const_iterator BOOST_INTRUSIVE_I size_type>::type) + erase_and_dispose(const KeyType& key, KeyTypeKeyCompare comp, Disposer disposer) + { + std::pair<iterator,iterator> p = this->equal_range(key, comp); + size_type n; + private_erase(p.first, p.second, n, disposer); + return n; + } + + //! <b>Effects</b>: Erases all of the elements. + //! + //! <b>Complexity</b>: Linear to the number of elements on the container. + //! if it's a safe-mode or auto-unlink value_type. Constant time otherwise. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Note</b>: Invalidates the iterators (but not the references) + //! to the erased elements. No destructors are called. + void clear() + { tree_type::clear(); } + + //! <b>Effects</b>: Erases all of the elements calling disposer(p) for + //! each node to be erased. + //! <b>Complexity</b>: Average complexity for is at most O(log(size() + N)), + //! where N is the number of elements in the container. + //! + //! <b>Throws</b>: Nothing. + //! + //! <b>Note</b>: Invalidates the iterators (but not the references) + //! to the erased elements. Calls N times to disposer functor. + template<class Disposer> + void clear_and_dispose(Disposer disposer) + { + node_algorithms::clear_and_dispose(this->tree_type::header_ptr() + , detail::node_disposer<Disposer, value_traits, TreapAlgorithms>(disposer, &this->get_value_traits())); + node_algorithms::init_header(this->tree_type::header_ptr()); + this->tree_type::sz_traits().set_size(0); + } + + #if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED) + //! @copydoc ::boost::intrusive::bstree::merge_unique + template<class T, class ...Options2> void merge_unique(sgtree<T, Options2...> &); + #else + template<class Compare2> + void merge_unique(treap_impl + <ValueTraits, VoidOrKeyOfValue, Compare2, VoidOrPrioComp, SizeType, ConstantTimeSize, HeaderHolder> &source) + #endif + { + node_ptr it (node_algorithms::begin_node(source.header_ptr())) + , itend(node_algorithms::end_node (source.header_ptr())); + + while(it != itend){ + node_ptr const p(it); + BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(!safemode_or_autounlink || !node_algorithms::unique(p)); + it = node_algorithms::next_node(it); + + if( node_algorithms::transfer_unique + ( this->header_ptr(), this->key_node_comp(this->key_comp()) + , this->key_node_prio_comp(this->priv_pcomp()), source.header_ptr(), p) ){ + this->sz_traits().increment(); + source.sz_traits().decrement(); + } + } + } + + #if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED) + //! @copydoc ::boost::intrusive::bstree::merge_equal(bstree<T, Options2...>&) + template<class T, class ...Options2> void merge_equal(sgtree<T, Options2...> &); + #else + template<class Compare2> + void merge_equal(treap_impl + <ValueTraits, VoidOrKeyOfValue, Compare2, VoidOrPrioComp, SizeType, ConstantTimeSize, HeaderHolder> &source) + #endif + { + node_ptr it (node_algorithms::begin_node(source.header_ptr())) + , itend(node_algorithms::end_node (source.header_ptr())); + + while(it != itend){ + node_ptr const p(it); + BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(!safemode_or_autounlink || !node_algorithms::unique(p)); + it = node_algorithms::next_node(it); + node_algorithms::transfer_equal + ( this->header_ptr(), this->key_node_comp(this->key_comp()) + , this->key_node_prio_comp(this->priv_pcomp()), source.header_ptr(), p); + this->sz_traits().increment(); + source.sz_traits().decrement(); + } + } + + //! @copydoc ::boost::intrusive::bstree::check(ExtraChecker)const + template <class ExtraChecker> + void check(ExtraChecker extra_checker) const + { + typedef detail::key_nodeptr_comp<priority_compare, value_traits, key_of_value> nodeptr_prio_comp_t; + tree_type::check(detail::treap_node_extra_checker + <ValueTraits, nodeptr_prio_comp_t, ExtraChecker> + (this->key_node_prio_comp(this->priv_pcomp()), extra_checker)); + } + + //! @copydoc ::boost::intrusive::bstree::check()const + void check() const + { check(detail::empty_node_checker<ValueTraits>()); } + + #ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED + //! @copydoc ::boost::intrusive::bstree::count(const key_type &)const + size_type count(const key_type &key) const; + + //! @copydoc ::boost::intrusive::bstree::count(const KeyType&,KeyTypeKeyCompare)const + template<class KeyType, class KeyTypeKeyCompare> + size_type count(const KeyType& key, KeyTypeKeyCompare comp) const; + + //! @copydoc ::boost::intrusive::bstree::lower_bound(const key_type &) + iterator lower_bound(const key_type &key); + + //! @copydoc ::boost::intrusive::bstree::lower_bound(const KeyType&,KeyTypeKeyCompare) + template<class KeyType, class KeyTypeKeyCompare> + iterator lower_bound(const KeyType& key, KeyTypeKeyCompare comp); + + //! @copydoc ::boost::intrusive::bstree::lower_bound(const key_type &)const + const_iterator lower_bound(const key_type &key) const; + + //! @copydoc ::boost::intrusive::bstree::lower_bound(const KeyType&,KeyTypeKeyCompare)const + template<class KeyType, class KeyTypeKeyCompare> + const_iterator lower_bound(const KeyType& key, KeyTypeKeyCompare comp) const; + + //! @copydoc ::boost::intrusive::bstree::upper_bound(const key_type &) + iterator upper_bound(const key_type &key); + + //! @copydoc ::boost::intrusive::bstree::upper_bound(const KeyType&,KeyTypeKeyCompare) + template<class KeyType, class KeyTypeKeyCompare> + iterator upper_bound(const KeyType& key, KeyTypeKeyCompare comp); + + //! @copydoc ::boost::intrusive::bstree::upper_bound(const key_type &)const + const_iterator upper_bound(const key_type &key) const; + + //! @copydoc ::boost::intrusive::bstree::upper_bound(const KeyType&,KeyTypeKeyCompare)const + template<class KeyType, class KeyTypeKeyCompare> + const_iterator upper_bound(const KeyType& key, KeyTypeKeyCompare comp) const; + + //! @copydoc ::boost::intrusive::bstree::find(const key_type &) + iterator find(const key_type &key); + + //! @copydoc ::boost::intrusive::bstree::find(const KeyType&,KeyTypeKeyCompare) + template<class KeyType, class KeyTypeKeyCompare> + iterator find(const KeyType& key, KeyTypeKeyCompare comp); + + //! @copydoc ::boost::intrusive::bstree::find(const key_type &)const + const_iterator find(const key_type &key) const; + + //! @copydoc ::boost::intrusive::bstree::find(const KeyType&,KeyTypeKeyCompare)const + template<class KeyType, class KeyTypeKeyCompare> + const_iterator find(const KeyType& key, KeyTypeKeyCompare comp) const; + + //! @copydoc ::boost::intrusive::bstree::equal_range(const key_type &) + std::pair<iterator,iterator> equal_range(const key_type &key); + + //! @copydoc ::boost::intrusive::bstree::equal_range(const KeyType&,KeyTypeKeyCompare) + template<class KeyType, class KeyTypeKeyCompare> + std::pair<iterator,iterator> equal_range(const KeyType& key, KeyTypeKeyCompare comp); + + //! @copydoc ::boost::intrusive::bstree::equal_range(const key_type &)const + std::pair<const_iterator, const_iterator> + equal_range(const key_type &key) const; + + //! @copydoc ::boost::intrusive::bstree::equal_range(const KeyType&,KeyTypeKeyCompare)const + template<class KeyType, class KeyTypeKeyCompare> + std::pair<const_iterator, const_iterator> + equal_range(const KeyType& key, KeyTypeKeyCompare comp) const; + + //! @copydoc ::boost::intrusive::bstree::bounded_range(const key_type &,const key_type &,bool,bool) + std::pair<iterator,iterator> bounded_range + (const key_type &lower_key, const key_type &upper_key, bool left_closed, bool right_closed); + + //! @copydoc ::boost::intrusive::bstree::bounded_range(const KeyType&,const KeyType&,KeyTypeKeyCompare,bool,bool) + template<class KeyType, class KeyTypeKeyCompare> + std::pair<iterator,iterator> bounded_range + (const KeyType& lower_key, const KeyType& upper_key, KeyTypeKeyCompare comp, bool left_closed, bool right_closed); + + //! @copydoc ::boost::intrusive::bstree::bounded_range(const key_type &,const key_type &,bool,bool)const + std::pair<const_iterator, const_iterator> + bounded_range(const key_type &lower_key, const key_type &upper_key, bool left_closed, bool right_closed) const; + + //! @copydoc ::boost::intrusive::bstree::bounded_range(const KeyType&,const KeyType&,KeyTypeKeyCompare,bool,bool)const + template<class KeyType, class KeyTypeKeyCompare> + std::pair<const_iterator, const_iterator> bounded_range + (const KeyType& lower_key, const KeyType& upper_key, KeyTypeKeyCompare comp, bool left_closed, bool right_closed) const; + + //! @copydoc ::boost::intrusive::bstree::s_iterator_to(reference) + static iterator s_iterator_to(reference value); + + //! @copydoc ::boost::intrusive::bstree::s_iterator_to(const_reference) + static const_iterator s_iterator_to(const_reference value); + + //! @copydoc ::boost::intrusive::bstree::iterator_to(reference) + iterator iterator_to(reference value); + + //! @copydoc ::boost::intrusive::bstree::iterator_to(const_reference)const + const_iterator iterator_to(const_reference value) const; + + //! @copydoc ::boost::intrusive::bstree::init_node(reference) + static void init_node(reference value); + + //! @copydoc ::boost::intrusive::bstree::unlink_leftmost_without_rebalance + pointer unlink_leftmost_without_rebalance(); + + //! @copydoc ::boost::intrusive::bstree::replace_node + void replace_node(iterator replace_this, reference with_this); + + //! @copydoc ::boost::intrusive::bstree::remove_node + void remove_node(reference value); + + friend bool operator< (const treap_impl &x, const treap_impl &y); + + friend bool operator==(const treap_impl &x, const treap_impl &y); + + friend bool operator!= (const treap_impl &x, const treap_impl &y); + + friend bool operator>(const treap_impl &x, const treap_impl &y); + + friend bool operator<=(const treap_impl &x, const treap_impl &y); + + friend bool operator>=(const treap_impl &x, const treap_impl &y); + + friend void swap(treap_impl &x, treap_impl &y); + + #endif //#ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED + + /// @cond + private: + template<class Disposer> + iterator private_erase(const_iterator b, const_iterator e, size_type &n, Disposer disposer) + { + for(n = 0; b != e; ++n) + this->erase_and_dispose(b++, disposer); + return b.unconst(); + } + + iterator private_erase(const_iterator b, const_iterator e, size_type &n) + { + for(n = 0; b != e; ++n) + this->erase(b++); + return b.unconst(); + } + /// @endcond +}; + + +//! Helper metafunction to define a \c treap that yields to the same type when the +//! same options (either explicitly or implicitly) are used. +#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED) || defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES) +template<class T, class ...Options> +#else +template<class T, class O1 = void, class O2 = void + , class O3 = void, class O4 = void + , class O5 = void, class O6 = void> +#endif +struct make_treap +{ + typedef typename pack_options + < treap_defaults, + #if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES) + O1, O2, O3, O4, O5, O6 + #else + Options... + #endif + >::type packed_options; + + typedef typename detail::get_value_traits + <T, typename packed_options::proto_value_traits>::type value_traits; + + typedef treap_impl + < value_traits + , typename packed_options::key_of_value + , typename packed_options::compare + , typename packed_options::priority + , typename packed_options::size_type + , packed_options::constant_time_size + , typename packed_options::header_holder_type + > implementation_defined; + /// @endcond + typedef implementation_defined type; +}; + +#ifndef BOOST_INTRUSIVE_DOXYGEN_INVOKED + +#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES) +template<class T, class O1, class O2, class O3, class O4, class O5, class O6> +#else +template<class T, class ...Options> +#endif +class treap + : public make_treap<T, + #if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES) + O1, O2, O3, O4, O5, O6 + #else + Options... + #endif + >::type +{ + typedef typename make_treap + <T, + #if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES) + O1, O2, O3, O4, O5, O6 + #else + Options... + #endif + >::type Base; + BOOST_MOVABLE_BUT_NOT_COPYABLE(treap) + + public: + typedef typename Base::key_compare key_compare; + typedef typename Base::priority_compare priority_compare; + typedef typename Base::value_traits value_traits; + typedef typename Base::iterator iterator; + typedef typename Base::const_iterator const_iterator; + typedef typename Base::reverse_iterator reverse_iterator; + typedef typename Base::const_reverse_iterator const_reverse_iterator; + + //Assert if passed value traits are compatible with the type + BOOST_STATIC_ASSERT((detail::is_same<typename value_traits::value_type, T>::value)); + treap() + : Base() + {} + + explicit treap( const key_compare &cmp + , const priority_compare &pcmp = priority_compare() + , const value_traits &v_traits = value_traits()) + : Base(cmp, pcmp, v_traits) + {} + + template<class Iterator> + treap( bool unique, Iterator b, Iterator e + , const key_compare &cmp = key_compare() + , const priority_compare &pcmp = priority_compare() + , const value_traits &v_traits = value_traits()) + : Base(unique, b, e, cmp, pcmp, v_traits) + {} + + treap(BOOST_RV_REF(treap) x) + : Base(BOOST_MOVE_BASE(Base, x)) + {} + + treap& operator=(BOOST_RV_REF(treap) x) + { return static_cast<treap&>(this->Base::operator=(BOOST_MOVE_BASE(Base, x))); } + + template <class Cloner, class Disposer> + void clone_from(const treap &src, Cloner cloner, Disposer disposer) + { Base::clone_from(src, cloner, disposer); } + + template <class Cloner, class Disposer> + void clone_from(BOOST_RV_REF(treap) src, Cloner cloner, Disposer disposer) + { Base::clone_from(BOOST_MOVE_BASE(Base, src), cloner, disposer); } + + static treap &container_from_end_iterator(iterator end_iterator) + { return static_cast<treap &>(Base::container_from_end_iterator(end_iterator)); } + + static const treap &container_from_end_iterator(const_iterator end_iterator) + { return static_cast<const treap &>(Base::container_from_end_iterator(end_iterator)); } + + static treap &container_from_iterator(iterator it) + { return static_cast<treap &>(Base::container_from_iterator(it)); } + + static const treap &container_from_iterator(const_iterator it) + { return static_cast<const treap &>(Base::container_from_iterator(it)); } +}; + +#endif + +} //namespace intrusive +} //namespace boost + +#include <boost/intrusive/detail/config_end.hpp> + +#endif //BOOST_INTRUSIVE_TREAP_HPP |