boost/intrusive/bstree.hpp
/////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2013-2013
//
// 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_BSTREE_HPP
#define BOOST_INTRUSIVE_BSTREE_HPP
#include <boost/intrusive/detail/config_begin.hpp>
#include <boost/intrusive/intrusive_fwd.hpp>
#include <algorithm>
#include <cstddef>
#include <functional>
#include <iterator>
#include <utility>
#include <boost/intrusive/detail/assert.hpp>
#include <boost/static_assert.hpp>
#include <boost/intrusive/intrusive_fwd.hpp>
#include <boost/intrusive/bs_set_hook.hpp>
#include <boost/intrusive/detail/tree_node.hpp>
#include <boost/intrusive/detail/ebo_functor_holder.hpp>
#include <boost/intrusive/detail/mpl.hpp>
#include <boost/intrusive/pointer_traits.hpp>
#include <boost/intrusive/detail/function_detector.hpp>
#include <boost/intrusive/detail/utilities.hpp>
#include <boost/intrusive/options.hpp>
#include <boost/intrusive/bstree_algorithms.hpp>
#include <boost/intrusive/link_mode.hpp>
#include <boost/intrusive/parent_from_member.hpp>
#include <boost/move/move.hpp>
namespace boost {
namespace intrusive {
/// @cond
struct bstree_defaults
{
typedef detail::default_bstree_hook proto_value_traits;
static const bool constant_time_size = true;
typedef std::size_t size_type;
typedef void compare;
static const bool floating_point = true; //For sgtree
typedef void priority; //For treap
typedef void header_holder_type;
};
template<class ValueTraits, algo_types AlgoType, typename HeaderHolder>
struct bstbase3
{
typedef ValueTraits value_traits;
typedef typename value_traits::node_traits node_traits;
typedef typename node_traits::node node_type;
typedef typename get_algo<AlgoType, node_traits>::type node_algorithms;
typedef typename node_traits::node_ptr node_ptr;
typedef typename node_traits::const_node_ptr const_node_ptr;
typedef tree_iterator<value_traits, false> iterator;
typedef tree_iterator<value_traits, true> const_iterator;
typedef boost::intrusive::detail::reverse_iterator<iterator> reverse_iterator;
typedef boost::intrusive::detail::reverse_iterator<const_iterator> const_reverse_iterator;
typedef BOOST_INTRUSIVE_IMPDEF(typename value_traits::pointer) pointer;
typedef BOOST_INTRUSIVE_IMPDEF(typename value_traits::const_pointer) const_pointer;
typedef BOOST_INTRUSIVE_IMPDEF(typename pointer_traits<pointer>::element_type) value_type;
typedef BOOST_INTRUSIVE_IMPDEF(value_type) key_type;
typedef BOOST_INTRUSIVE_IMPDEF(typename pointer_traits<pointer>::reference) reference;
typedef BOOST_INTRUSIVE_IMPDEF(typename pointer_traits<const_pointer>::reference) const_reference;
typedef BOOST_INTRUSIVE_IMPDEF(typename pointer_traits<const_pointer>::difference_type) difference_type;
typedef HeaderHolder header_holder_type;
static const bool safemode_or_autounlink = is_safe_autounlink<value_traits::link_mode>::value;
static const bool stateful_value_traits = detail::is_stateful_value_traits<value_traits>::value;
static const bool has_container_from_iterator =
boost::is_same< header_holder_type, detail::default_header_holder< node_traits > >::value;
struct holder_t : public ValueTraits
{
explicit holder_t(const ValueTraits &vtraits)
: ValueTraits(vtraits)
{}
header_holder_type root;
} holder;
static bstbase3 &get_tree_base_from_end_iterator(const const_iterator &end_iterator)
{
BOOST_STATIC_ASSERT(has_container_from_iterator);
node_ptr p = end_iterator.pointed_node();
header_holder_type* h = header_holder_type::get_holder(p);
holder_t *holder = get_parent_from_member<holder_t, header_holder_type>(h, &holder_t::root);
bstbase3 *base = get_parent_from_member<bstbase3, holder_t> (holder, &bstbase3::holder);
return *base;
}
bstbase3(const ValueTraits &vtraits)
: holder(vtraits)
{
node_algorithms::init_header(this->header_ptr());
}
node_ptr header_ptr()
{ return holder.root.get_node(); }
const_node_ptr header_ptr() const
{ return holder.root.get_node(); }
const value_traits &get_value_traits() const
{ return this->holder; }
value_traits &get_value_traits()
{ return this->holder; }
typedef typename boost::intrusive::value_traits_pointers
<ValueTraits>::const_value_traits_ptr const_value_traits_ptr;
const_value_traits_ptr priv_value_traits_ptr() const
{ return pointer_traits<const_value_traits_ptr>::pointer_to(this->get_value_traits()); }
iterator begin()
{ return iterator(node_algorithms::begin_node(this->header_ptr()), this->priv_value_traits_ptr()); }
const_iterator begin() const
{ return cbegin(); }
const_iterator cbegin() const
{ return const_iterator(node_algorithms::begin_node(this->header_ptr()), this->priv_value_traits_ptr()); }
iterator end()
{ return iterator(node_algorithms::end_node(this->header_ptr()), this->priv_value_traits_ptr()); }
const_iterator end() const
{ return cend(); }
const_iterator cend() const
{ return const_iterator(node_algorithms::end_node(this->header_ptr()), this->priv_value_traits_ptr()); }
iterator root()
{ return iterator(node_algorithms::root_node(this->header_ptr()), this->priv_value_traits_ptr()); }
const_iterator root() const
{ return croot(); }
const_iterator croot() const
{ return const_iterator(node_algorithms::root_node(this->header_ptr()), this->priv_value_traits_ptr()); }
reverse_iterator rbegin()
{ return reverse_iterator(end()); }
const_reverse_iterator rbegin() const
{ return const_reverse_iterator(end()); }
const_reverse_iterator crbegin() const
{ return const_reverse_iterator(end()); }
reverse_iterator rend()
{ return reverse_iterator(begin()); }
const_reverse_iterator rend() const
{ return const_reverse_iterator(begin()); }
const_reverse_iterator crend() const
{ return const_reverse_iterator(begin()); }
void replace_node(iterator replace_this, reference with_this)
{
node_algorithms::replace_node( get_value_traits().to_node_ptr(*replace_this)
, this->header_ptr()
, get_value_traits().to_node_ptr(with_this));
if(safemode_or_autounlink)
node_algorithms::init(replace_this.pointed_node());
}
void rebalance()
{ node_algorithms::rebalance(this->header_ptr()); }
iterator rebalance_subtree(iterator root)
{ return iterator(node_algorithms::rebalance_subtree(root.pointed_node()), this->priv_value_traits_ptr()); }
static iterator s_iterator_to(reference value)
{
BOOST_STATIC_ASSERT((!stateful_value_traits));
return iterator (value_traits::to_node_ptr(value), const_value_traits_ptr());
}
static const_iterator s_iterator_to(const_reference value)
{
BOOST_STATIC_ASSERT((!stateful_value_traits));
return const_iterator (value_traits::to_node_ptr(*pointer_traits<pointer>::const_cast_from(pointer_traits<const_pointer>::pointer_to(value))), const_value_traits_ptr());
}
iterator iterator_to(reference value)
{ return iterator (this->get_value_traits().to_node_ptr(value), this->priv_value_traits_ptr()); }
const_iterator iterator_to(const_reference value) const
{ return const_iterator (this->get_value_traits().to_node_ptr(*pointer_traits<pointer>::const_cast_from(pointer_traits<const_pointer>::pointer_to(value))), this->priv_value_traits_ptr()); }
static void init_node(reference value)
{ node_algorithms::init(value_traits::to_node_ptr(value)); }
};
template<class ValueTraits, class VoidOrKeyComp, algo_types AlgoType, typename HeaderHolder>
struct bstbase2
//Put the (possibly empty) functor in the first position to get EBO in MSVC
: public detail::ebo_functor_holder<typename get_less< VoidOrKeyComp
, typename ValueTraits::value_type
>::type>
, public bstbase3<ValueTraits, AlgoType, HeaderHolder>
{
typedef bstbase3<ValueTraits, AlgoType, HeaderHolder> treeheader_t;
typedef typename treeheader_t::value_traits value_traits;
typedef typename treeheader_t::node_algorithms node_algorithms;
typedef typename get_less
< VoidOrKeyComp, typename value_traits::value_type>::type value_compare;
typedef BOOST_INTRUSIVE_IMPDEF(value_compare) key_compare;
typedef typename treeheader_t::iterator iterator;
typedef typename treeheader_t::const_iterator const_iterator;
typedef typename treeheader_t::node_ptr node_ptr;
typedef typename treeheader_t::const_node_ptr const_node_ptr;
bstbase2(const value_compare &comp, const ValueTraits &vtraits)
: detail::ebo_functor_holder<value_compare>(comp), treeheader_t(vtraits)
{}
const value_compare &comp() const
{ return this->get(); }
value_compare &comp()
{ return this->get(); }
typedef BOOST_INTRUSIVE_IMPDEF(typename value_traits::pointer) pointer;
typedef BOOST_INTRUSIVE_IMPDEF(typename value_traits::const_pointer) const_pointer;
typedef BOOST_INTRUSIVE_IMPDEF(typename pointer_traits<pointer>::element_type) value_type;
typedef BOOST_INTRUSIVE_IMPDEF(value_type) key_type;
typedef BOOST_INTRUSIVE_IMPDEF(typename pointer_traits<pointer>::reference) reference;
typedef BOOST_INTRUSIVE_IMPDEF(typename pointer_traits<const_pointer>::reference) const_reference;
typedef BOOST_INTRUSIVE_IMPDEF(typename pointer_traits<const_pointer>::difference_type) difference_type;
typedef typename node_algorithms::insert_commit_data insert_commit_data;
value_compare value_comp() const
{ return this->comp(); }
key_compare key_comp() const
{ return this->comp(); }
//lower_bound
iterator lower_bound(const_reference value)
{ return this->lower_bound(value, this->comp()); }
const_iterator lower_bound(const_reference value) const
{ return this->lower_bound(value, this->comp()); }
template<class KeyType, class KeyValueCompare>
iterator lower_bound(const KeyType &key, KeyValueCompare comp)
{
detail::key_nodeptr_comp<KeyValueCompare, value_traits>
key_node_comp(comp, &this->get_value_traits());
return iterator(node_algorithms::lower_bound
(this->header_ptr(), key, key_node_comp), this->priv_value_traits_ptr());
}
template<class KeyType, class KeyValueCompare>
const_iterator lower_bound(const KeyType &key, KeyValueCompare comp) const
{
detail::key_nodeptr_comp<KeyValueCompare, value_traits>
key_node_comp(comp, &this->get_value_traits());
return const_iterator(node_algorithms::lower_bound
(this->header_ptr(), key, key_node_comp), this->priv_value_traits_ptr());
}
//upper_bound
iterator upper_bound(const_reference value)
{ return this->upper_bound(value, this->comp()); }
template<class KeyType, class KeyValueCompare>
iterator upper_bound(const KeyType &key, KeyValueCompare comp)
{
detail::key_nodeptr_comp<KeyValueCompare, value_traits>
key_node_comp(comp, &this->get_value_traits());
return iterator(node_algorithms::upper_bound
(this->header_ptr(), key, key_node_comp), this->priv_value_traits_ptr());
}
const_iterator upper_bound(const_reference value) const
{ return this->upper_bound(value, this->comp()); }
template<class KeyType, class KeyValueCompare>
const_iterator upper_bound(const KeyType &key, KeyValueCompare comp) const
{
detail::key_nodeptr_comp<KeyValueCompare, value_traits>
key_node_comp(comp, &this->get_value_traits());
return const_iterator(node_algorithms::upper_bound
(this->header_ptr(), key, key_node_comp), this->priv_value_traits_ptr());
}
//find
iterator find(const_reference value)
{ return this->find(value, this->comp()); }
template<class KeyType, class KeyValueCompare>
iterator find(const KeyType &key, KeyValueCompare comp)
{
detail::key_nodeptr_comp<KeyValueCompare, value_traits>
key_node_comp(comp, &this->get_value_traits());
return iterator
(node_algorithms::find(this->header_ptr(), key, key_node_comp), this->priv_value_traits_ptr());
}
const_iterator find(const_reference value) const
{ return this->find(value, this->comp()); }
template<class KeyType, class KeyValueCompare>
const_iterator find(const KeyType &key, KeyValueCompare comp) const
{
detail::key_nodeptr_comp<KeyValueCompare, value_traits>
key_node_comp(comp, &this->get_value_traits());
return const_iterator
(node_algorithms::find(this->header_ptr(), key, key_node_comp), this->priv_value_traits_ptr());
}
//equal_range
std::pair<iterator,iterator> equal_range(const_reference value)
{ return this->equal_range(value, this->comp()); }
template<class KeyType, class KeyValueCompare>
std::pair<iterator,iterator> equal_range(const KeyType &key, KeyValueCompare comp)
{
detail::key_nodeptr_comp<KeyValueCompare, value_traits>
key_node_comp(comp, &this->get_value_traits());
std::pair<node_ptr, node_ptr> ret
(node_algorithms::equal_range(this->header_ptr(), key, key_node_comp));
return std::pair<iterator, iterator>( iterator(ret.first, this->priv_value_traits_ptr())
, iterator(ret.second, this->priv_value_traits_ptr()));
}
std::pair<const_iterator, const_iterator>
equal_range(const_reference value) const
{ return this->equal_range(value, this->comp()); }
template<class KeyType, class KeyValueCompare>
std::pair<const_iterator, const_iterator>
equal_range(const KeyType &key, KeyValueCompare comp) const
{
detail::key_nodeptr_comp<KeyValueCompare, value_traits>
key_node_comp(comp, &this->get_value_traits());
std::pair<node_ptr, node_ptr> ret
(node_algorithms::equal_range(this->header_ptr(), key, key_node_comp));
return std::pair<const_iterator, const_iterator>( const_iterator(ret.first, this->priv_value_traits_ptr())
, const_iterator(ret.second, this->priv_value_traits_ptr()));
}
//lower_bound_range
std::pair<iterator,iterator> lower_bound_range(const_reference value)
{ return this->lower_bound_range(value, this->comp()); }
template<class KeyType, class KeyValueCompare>
std::pair<iterator,iterator> lower_bound_range(const KeyType &key, KeyValueCompare comp)
{
detail::key_nodeptr_comp<KeyValueCompare, value_traits>
key_node_comp(comp, &this->get_value_traits());
std::pair<node_ptr, node_ptr> ret
(node_algorithms::lower_bound_range(this->header_ptr(), key, key_node_comp));
return std::pair<iterator, iterator>( iterator(ret.first, this->priv_value_traits_ptr())
, iterator(ret.second, this->priv_value_traits_ptr()));
}
std::pair<const_iterator, const_iterator>
lower_bound_range(const_reference value) const
{ return this->lower_bound_range(value, this->comp()); }
template<class KeyType, class KeyValueCompare>
std::pair<const_iterator, const_iterator>
lower_bound_range(const KeyType &key, KeyValueCompare comp) const
{
detail::key_nodeptr_comp<KeyValueCompare, value_traits>
key_node_comp(comp, &this->get_value_traits());
std::pair<node_ptr, node_ptr> ret
(node_algorithms::lower_bound_range(this->header_ptr(), key, key_node_comp));
return std::pair<const_iterator, const_iterator>( const_iterator(ret.first, this->priv_value_traits_ptr())
, const_iterator(ret.second, this->priv_value_traits_ptr()));
}
//bounded_range
std::pair<iterator,iterator> bounded_range
(const_reference lower_value, const_reference upper_value, bool left_closed, bool right_closed)
{ return this->bounded_range(lower_value, upper_value, this->comp(), left_closed, right_closed); }
template<class KeyType, class KeyValueCompare>
std::pair<iterator,iterator> bounded_range
(const KeyType &lower_key, const KeyType &upper_key, KeyValueCompare comp, bool left_closed, bool right_closed)
{
detail::key_nodeptr_comp<KeyValueCompare, value_traits>
key_node_comp(comp, &this->get_value_traits());
std::pair<node_ptr, node_ptr> ret
(node_algorithms::bounded_range
(this->header_ptr(), lower_key, upper_key, key_node_comp, left_closed, right_closed));
return std::pair<iterator, iterator>( iterator(ret.first, this->priv_value_traits_ptr())
, iterator(ret.second, this->priv_value_traits_ptr()));
}
std::pair<const_iterator,const_iterator> bounded_range
(const_reference lower_value, const_reference upper_value, bool left_closed, bool right_closed) const
{ return this->bounded_range(lower_value, upper_value, this->comp(), left_closed, right_closed); }
template<class KeyType, class KeyValueCompare>
std::pair<const_iterator,const_iterator> bounded_range
(const KeyType &lower_key, const KeyType &upper_key, KeyValueCompare comp, bool left_closed, bool right_closed) const
{
detail::key_nodeptr_comp<KeyValueCompare, value_traits>
key_node_comp(comp, &this->get_value_traits());
std::pair<node_ptr, node_ptr> ret
(node_algorithms::bounded_range
(this->header_ptr(), lower_key, upper_key, key_node_comp, left_closed, right_closed));
return std::pair<const_iterator, const_iterator>( const_iterator(ret.first, this->priv_value_traits_ptr())
, const_iterator(ret.second, this->priv_value_traits_ptr()));
}
//insert_unique_check
template<class KeyType, class KeyValueCompare>
std::pair<iterator, bool> insert_unique_check
(const KeyType &key, KeyValueCompare key_value_comp, insert_commit_data &commit_data)
{
detail::key_nodeptr_comp<KeyValueCompare, value_traits>
ocomp(key_value_comp, &this->get_value_traits());
std::pair<node_ptr, bool> ret =
(node_algorithms::insert_unique_check
(this->header_ptr(), key, ocomp, commit_data));
return std::pair<iterator, bool>(iterator(ret.first, this->priv_value_traits_ptr()), ret.second);
}
template<class KeyType, class KeyValueCompare>
std::pair<iterator, bool> insert_unique_check
(const_iterator hint, const KeyType &key
,KeyValueCompare key_value_comp, insert_commit_data &commit_data)
{
detail::key_nodeptr_comp<KeyValueCompare, value_traits>
ocomp(key_value_comp, &this->get_value_traits());
std::pair<node_ptr, bool> ret =
(node_algorithms::insert_unique_check
(this->header_ptr(), hint.pointed_node(), key, ocomp, commit_data));
return std::pair<iterator, bool>(iterator(ret.first, this->priv_value_traits_ptr()), ret.second);
}
};
//Due to MSVC's EBO implementation, to save space and maintain the ABI, we must put the non-empty size member
//in the first position, but if size is not going to be stored then we'll use an specialization
//that doesn't inherit from size_holder
template<class ValueTraits, class VoidOrKeyComp, bool ConstantTimeSize, class SizeType, algo_types AlgoType, typename HeaderHolder>
struct bstbase_hack
: public detail::size_holder<ConstantTimeSize, SizeType>
, public bstbase2 < ValueTraits, VoidOrKeyComp, AlgoType, HeaderHolder>
{
typedef bstbase2< ValueTraits, VoidOrKeyComp, AlgoType, HeaderHolder> base_type;
typedef typename base_type::value_compare value_compare;
typedef SizeType size_type;
typedef typename base_type::node_traits node_traits;
typedef typename get_algo
<AlgoType, node_traits>::type algo_type;
bstbase_hack(const value_compare & comp, const ValueTraits &vtraits)
: base_type(comp, vtraits)
{
this->sz_traits().set_size(size_type(0));
}
typedef detail::size_holder<ConstantTimeSize, SizeType> size_traits;
size_traits &sz_traits()
{ return static_cast<size_traits &>(*this); }
const size_traits &sz_traits() const
{ return static_cast<const size_traits &>(*this); }
};
//Specialization for ConstantTimeSize == false
template<class ValueTraits, class VoidOrKeyComp, class SizeType, algo_types AlgoType, typename HeaderHolder>
struct bstbase_hack<ValueTraits, VoidOrKeyComp, false, SizeType, AlgoType, HeaderHolder>
: public bstbase2 < ValueTraits, VoidOrKeyComp, AlgoType, HeaderHolder>
{
typedef bstbase2< ValueTraits, VoidOrKeyComp, AlgoType, HeaderHolder> base_type;
typedef typename base_type::value_compare value_compare;
bstbase_hack(const value_compare & comp, const ValueTraits &vtraits)
: base_type(comp, vtraits)
{}
typedef detail::size_holder<true, SizeType> size_traits;
size_traits &sz_traits()
{ return s_size_traits; }
const size_traits &sz_traits() const
{ return s_size_traits; }
static size_traits s_size_traits;
};
template<class ValueTraits, class VoidOrKeyComp, class SizeType, algo_types AlgoType, typename HeaderHolder>
detail::size_holder<true, SizeType> bstbase_hack<ValueTraits, VoidOrKeyComp, false, SizeType, AlgoType, HeaderHolder>::s_size_traits;
//This class will
template<class ValueTraits, class VoidOrKeyComp, bool ConstantTimeSize, class SizeType, algo_types AlgoType, typename HeaderHolder>
struct bstbase
: public bstbase_hack< ValueTraits, VoidOrKeyComp, ConstantTimeSize, SizeType, AlgoType, HeaderHolder>
{
typedef bstbase_hack< ValueTraits, VoidOrKeyComp, ConstantTimeSize, SizeType, AlgoType, HeaderHolder> base_type;
typedef ValueTraits value_traits;
typedef typename base_type::value_compare value_compare;
typedef value_compare key_compare;
typedef typename base_type::const_reference const_reference;
typedef typename base_type::reference reference;
typedef typename base_type::iterator iterator;
typedef typename base_type::const_iterator const_iterator;
typedef typename base_type::node_traits node_traits;
typedef typename get_algo
<AlgoType, node_traits>::type node_algorithms;
typedef SizeType size_type;
bstbase(const value_compare & comp, const ValueTraits &vtraits)
: base_type(comp, vtraits)
{}
//Detach all inserted nodes. This will add exception safety to bstree_impl
//constructors inserting elements.
~bstbase()
{
if(is_safe_autounlink<value_traits::link_mode>::value){
node_algorithms::clear_and_dispose
( this->header_ptr()
, detail::node_disposer<detail::null_disposer, value_traits, AlgoType>
(detail::null_disposer(), &this->get_value_traits()));
node_algorithms::init(this->header_ptr());
}
}
};
/// @endcond
//! The class template bstree is an unbalanced intrusive binary search tree
//! container. The no-throw guarantee holds only, if the value_compare object
//! doesn't throw.
//!
//! The complexity guarantees only hold if the tree is balanced, logarithmic
//! complexity would increase to linear if the tree is totally unbalanced.
//!
//! 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<> and
//! \c compare<>.
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
template<class T, class ...Options>
#else
template<class ValueTraits, class VoidKeyComp, class SizeType, bool ConstantTimeSize, algo_types AlgoType, typename HeaderHolder>
#endif
class bstree_impl
: public bstbase<ValueTraits, VoidKeyComp, ConstantTimeSize, SizeType, AlgoType, HeaderHolder>
{
public:
/// @cond
typedef bstbase<ValueTraits, VoidKeyComp, ConstantTimeSize, SizeType, AlgoType, HeaderHolder> data_type;
typedef tree_iterator<ValueTraits, false> iterator_type;
typedef tree_iterator<ValueTraits, true> const_iterator_type;
/// @endcond
typedef BOOST_INTRUSIVE_IMPDEF(ValueTraits) value_traits;
typedef BOOST_INTRUSIVE_IMPDEF(typename value_traits::pointer) pointer;
typedef BOOST_INTRUSIVE_IMPDEF(typename value_traits::const_pointer) const_pointer;
typedef BOOST_INTRUSIVE_IMPDEF(typename pointer_traits<pointer>::element_type) value_type;
typedef BOOST_INTRUSIVE_IMPDEF(value_type) key_type;
typedef BOOST_INTRUSIVE_IMPDEF(typename pointer_traits<pointer>::reference) reference;
typedef BOOST_INTRUSIVE_IMPDEF(typename pointer_traits<const_pointer>::reference) const_reference;
typedef BOOST_INTRUSIVE_IMPDEF(typename pointer_traits<const_pointer>::difference_type) difference_type;
typedef BOOST_INTRUSIVE_IMPDEF(SizeType) size_type;
typedef BOOST_INTRUSIVE_IMPDEF(typename data_type::value_compare) value_compare;
typedef BOOST_INTRUSIVE_IMPDEF(value_compare) key_compare;
typedef BOOST_INTRUSIVE_IMPDEF(iterator_type) iterator;
typedef BOOST_INTRUSIVE_IMPDEF(const_iterator_type) const_iterator;
typedef BOOST_INTRUSIVE_IMPDEF(boost::intrusive::detail::reverse_iterator<iterator>) reverse_iterator;
typedef BOOST_INTRUSIVE_IMPDEF(boost::intrusive::detail::reverse_iterator<const_iterator>) const_reverse_iterator;
typedef BOOST_INTRUSIVE_IMPDEF(typename value_traits::node_traits) node_traits;
typedef BOOST_INTRUSIVE_IMPDEF(typename node_traits::node) node;
typedef BOOST_INTRUSIVE_IMPDEF(typename node_traits::node_ptr) node_ptr;
typedef BOOST_INTRUSIVE_IMPDEF(typename node_traits::const_node_ptr) const_node_ptr;
/// @cond
typedef typename get_algo<AlgoType, node_traits>::type algo_type;
/// @endcond
typedef BOOST_INTRUSIVE_IMPDEF(algo_type) node_algorithms;
static const bool constant_time_size = ConstantTimeSize;
static const bool stateful_value_traits = detail::is_stateful_value_traits<value_traits>::value;
/// @cond
private:
//noncopyable
BOOST_MOVABLE_BUT_NOT_COPYABLE(bstree_impl)
static const bool safemode_or_autounlink = is_safe_autounlink<value_traits::link_mode>::value;
//Constant-time size is incompatible with auto-unlink hooks!
BOOST_STATIC_ASSERT(!(constant_time_size && ((int)value_traits::link_mode == (int)auto_unlink)));
protected:
/// @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 object throws. Basic guarantee.
explicit bstree_impl( const value_compare &cmp = value_compare()
, const value_traits &v_traits = value_traits())
: data_type(cmp, v_traits)
{}
//! <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 value_compare object throws. Basic guarantee.
template<class Iterator>
bstree_impl( bool unique, Iterator b, Iterator e
, const value_compare &cmp = value_compare()
, const value_traits &v_traits = value_traits())
: data_type(cmp, v_traits)
{
//bstbase releases elements in case of exceptions
if(unique)
this->insert_unique(b, e);
else
this->insert_equal(b, e);
}
//! <b>Effects</b>: to-do
//!
bstree_impl(BOOST_RV_REF(bstree_impl) x)
: data_type(::boost::move(x.comp()), ::boost::move(x.get_value_traits()))
{
this->swap(x);
}
//! <b>Effects</b>: to-do
//!
bstree_impl& operator=(BOOST_RV_REF(bstree_impl) x)
{ this->swap(x); return *this; }
#ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED
//! <b>Effects</b>: Detaches all elements from this. The objects in the set
//! are not deleted (i.e. no destructors are called), but the nodes according to
//! the value_traits template parameter are reinitialized and thus can be reused.
//!
//! <b>Complexity</b>: Linear to elements contained in *this.
//!
//! <b>Throws</b>: Nothing.
~bstree_impl()
{}
//! <b>Effects</b>: Returns an iterator pointing to the beginning of the container.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
iterator begin();
//! <b>Effects</b>: Returns a const_iterator pointing to the beginning of the container.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
const_iterator begin() const;
//! <b>Effects</b>: Returns a const_iterator pointing to the beginning of the container.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
const_iterator cbegin() const;
//! <b>Effects</b>: Returns an iterator pointing to the end of the container.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
iterator end();
//! <b>Effects</b>: Returns a const_iterator pointing to the end of the container.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
const_iterator end() const;
//! <b>Effects</b>: Returns a const_iterator pointing to the end of the container.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
const_iterator cend() const;
//! <b>Effects</b>: Returns a reverse_iterator pointing to the beginning of the
//! reversed container.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
reverse_iterator rbegin();
//! <b>Effects</b>: Returns a const_reverse_iterator pointing to the beginning
//! of the reversed container.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
const_reverse_iterator rbegin() const;
//! <b>Effects</b>: Returns a const_reverse_iterator pointing to the beginning
//! of the reversed container.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
const_reverse_iterator crbegin() const;
//! <b>Effects</b>: Returns a reverse_iterator pointing to the end
//! of the reversed container.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
reverse_iterator rend();
//! <b>Effects</b>: Returns a const_reverse_iterator pointing to the end
//! of the reversed container.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
const_reverse_iterator rend() const;
//! <b>Effects</b>: Returns a const_reverse_iterator pointing to the end
//! of the reversed container.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
const_reverse_iterator crend() const;
#endif //#ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED
//! <b>Precondition</b>: end_iterator must be a valid end iterator
//! of the container.
//!
//! <b>Effects</b>: Returns a const reference to the container associated to the end iterator
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
static bstree_impl &container_from_end_iterator(iterator end_iterator)
{
return static_cast<bstree_impl&>
(data_type::get_tree_base_from_end_iterator(end_iterator));
}
//! <b>Precondition</b>: end_iterator must be a valid end const_iterator
//! of the container.
//!
//! <b>Effects</b>: Returns a const reference to the container associated to the iterator
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant.
static const bstree_impl &container_from_end_iterator(const_iterator end_iterator)
{
return static_cast<bstree_impl&>
(data_type::get_tree_base_from_end_iterator(end_iterator));
}
//! <b>Precondition</b>: it must be a valid iterator
//! of the container.
//!
//! <b>Effects</b>: Returns a const reference to the container associated to the iterator
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Logarithmic.
static bstree_impl &container_from_iterator(iterator it)
{ return container_from_end_iterator(it.end_iterator_from_it()); }
//! <b>Precondition</b>: it must be a valid end const_iterator
//! of container.
//!
//! <b>Effects</b>: Returns a const reference to the container associated to the end iterator
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Logarithmic.
static const bstree_impl &container_from_iterator(const_iterator it)
{ return container_from_end_iterator(it.end_iterator_from_it()); }
#ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED
//! <b>Effects</b>: Returns the key_compare object used by the container.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: If value_compare copy-constructor throws.
key_compare key_comp() const;
//! <b>Effects</b>: Returns the value_compare object used by the container.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: If value_compare copy-constructor throws.
value_compare value_comp() const;
#endif //#ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED
//! <b>Effects</b>: Returns true if the container is empty.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
bool empty() const
{
if(ConstantTimeSize){
return !this->data_type::sz_traits().get_size();
}
else{
return algo_type::unique(this->header_ptr());
}
}
//! <b>Effects</b>: Returns the number of elements stored in the container.
//!
//! <b>Complexity</b>: Linear to elements contained in *this
//! if constant-time size option is disabled. Constant time otherwise.
//!
//! <b>Throws</b>: Nothing.
size_type size() const
{
if(constant_time_size)
return this->sz_traits().get_size();
else{
return (size_type)node_algorithms::size(this->header_ptr());
}
}
//! <b>Effects</b>: Swaps the contents of two containers.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: If the comparison functor's swap call throws.
void swap(bstree_impl& other)
{
//This can throw
using std::swap;
swap(this->comp(), this->comp());
//These can't throw
node_algorithms::swap_tree(this->header_ptr(), node_ptr(other.header_ptr()));
if(constant_time_size){
size_type backup = this->sz_traits().get_size();
this->sz_traits().set_size(other.sz_traits().get_size());
other.sz_traits().set_size(backup);
}
}
//! <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 bstree_impl &src, Cloner cloner, Disposer disposer)
{
this->clear_and_dispose(disposer);
if(!src.empty()){
detail::exception_disposer<bstree_impl, Disposer>
rollback(*this, disposer);
node_algorithms::clone
(const_node_ptr(src.header_ptr())
,node_ptr(this->header_ptr())
,detail::node_cloner <Cloner, value_traits, AlgoType>(cloner, &this->get_value_traits())
,detail::node_disposer<Disposer, value_traits, AlgoType>(disposer, &this->get_value_traits()));
this->sz_traits().set_size(src.sz_traits().get_size());
this->comp() = src.comp();
rollback.release();
}
}
//! <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 value_compare ordering function throws. Strong guarantee.
//!
//! <b>Note</b>: Does not affect the validity of iterators and references.
//! No copy-constructors are called.
iterator insert_equal(reference value)
{
detail::key_nodeptr_comp<value_compare, value_traits>
key_node_comp(this->comp(), &this->get_value_traits());
node_ptr to_insert(this->get_value_traits().to_node_ptr(value));
if(safemode_or_autounlink)
BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(node_algorithms::unique(to_insert));
iterator ret(node_algorithms::insert_equal_upper_bound
(this->header_ptr(), to_insert, key_node_comp), this->priv_value_traits_ptr());
this->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 value_compare ordering function throws. 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)
{
detail::key_nodeptr_comp<value_compare, value_traits>
key_node_comp(this->comp(), &this->get_value_traits());
node_ptr to_insert(this->get_value_traits().to_node_ptr(value));
if(safemode_or_autounlink)
BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(node_algorithms::unique(to_insert));
iterator ret(node_algorithms::insert_equal
(this->header_ptr(), hint.pointed_node(), to_insert, key_node_comp), this->priv_value_traits_ptr());
this->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 value_comp().
//!
//! <b>Throws</b>: Nothing.
//!
//! <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>: Nothing.
//!
//! <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(value, this->comp(), 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>: Nothing.
//!
//! <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, value, this->comp(), 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 value_comp().
//!
//! <b>Throws</b>: Nothing.
//!
//! <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);
}
}
#ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED
//! <b>Requires</b>: key_value_comp must be a comparison function that induces
//! the same strict weak ordering as value_compare. The difference is that
//! key_value_comp compares 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 key_value_comp ordering function throws. 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 KeyValueCompare>
std::pair<iterator, bool> insert_unique_check
(const KeyType &key, KeyValueCompare key_value_comp, insert_commit_data &commit_data);
//! <b>Requires</b>: key_value_comp must be a comparison function that induces
//! the same strict weak ordering as value_compare. The difference is that
//! key_value_comp compares 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 key_value_comp ordering function throws. 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 KeyValueCompare>
std::pair<iterator, bool> insert_unique_check
(const_iterator hint, const KeyType &key
,KeyValueCompare key_value_comp, insert_commit_data &commit_data);
#endif //#ifdef BOOST_INTRUSIVE_DOXYGEN_INVOKED
//! <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 container 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));
if(safemode_or_autounlink)
BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(node_algorithms::unique(to_insert));
node_algorithms::insert_unique_commit
(this->header_ptr(), to_insert, commit_data);
this->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>: Nothing.
//!
//! <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));
if(safemode_or_autounlink)
BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(node_algorithms::unique(to_insert));
this->sz_traits().increment();
return iterator(node_algorithms::insert_before
(this->header_ptr(), pos.pointed_node(), to_insert), this->priv_value_traits_ptr());
}
//! <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>: Nothing.
//!
//! <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));
if(safemode_or_autounlink)
BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(node_algorithms::unique(to_insert));
this->sz_traits().increment();
node_algorithms::push_back(this->header_ptr(), to_insert);
}
//! <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>: Nothing.
//!
//! <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));
if(safemode_or_autounlink)
BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(node_algorithms::unique(to_insert));
this->sz_traits().increment();
node_algorithms::push_front(this->header_ptr(), to_insert);
}
//! <b>Effects</b>: Erases the element pointed to by pos.
//!
//! <b>Complexity</b>: Average complexity for erase element is constant time.
//!
//! <b>Throws</b>: Nothing.
//!
//! <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());
if(safemode_or_autounlink)
BOOST_INTRUSIVE_SAFE_HOOK_DEFAULT_ASSERT(!node_algorithms::unique(to_erase));
node_algorithms::erase(this->header_ptr(), to_erase);
this->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>: Nothing.
//!
//! <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 this->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>: Nothing.
//!
//! <b>Note</b>: Invalidates the iterators (but not the references)
//! to the erased elements. No destructors are called.
size_type erase(const_reference value)
{ return this->erase(value, this->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>: Nothing.
//!
//! <b>Note</b>: Invalidates the iterators (but not the references)
//! to the erased elements. No destructors are called.
template<class KeyType, class KeyValueCompare>
size_type erase(const KeyType& key, KeyValueCompare comp
/// @cond
, typename detail::enable_if_c<!detail::is_convertible<KeyValueCompare, const_iterator>::value >::type * = 0
/// @endcond
)
{
std::pair<iterator,iterator> p = this->equal_range(key, comp);
size_type n;
this->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 pos.
//! Disposer::operator()(pointer) is called for the removed element.
//!
//! <b>Complexity</b>: Average complexity for erase element is constant time.
//!
//! <b>Throws</b>: Nothing.
//!
//! <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 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>: Nothing.
//!
//! <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_reference value, Disposer disposer)
{
std::pair<iterator,iterator> p = this->equal_range(value);
size_type n;
this->private_erase(p.first, p.second, n, disposer);
return n;
}
//! <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>: Nothing.
//!
//! <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 this->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 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>: Nothing.
//!
//! <b>Note</b>: Invalidates the iterators
//! to the erased elements.
template<class KeyType, class KeyValueCompare, class Disposer>
size_type erase_and_dispose(const KeyType& key, KeyValueCompare comp, Disposer disposer
/// @cond
, typename detail::enable_if_c<!detail::is_convertible<KeyValueCompare, const_iterator>::value >::type * = 0
/// @endcond
)
{
std::pair<iterator,iterator> p = this->equal_range(key, comp);
size_type n;
this->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()
{
if(safemode_or_autounlink){
this->clear_and_dispose(detail::null_disposer());
}
else{
node_algorithms::init_header(this->header_ptr());
this->sz_traits().set_size(0);
}
}
//! <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->header_ptr()
, detail::node_disposer<Disposer, value_traits, AlgoType>(disposer, &this->get_value_traits()));
node_algorithms::init_header(this->header_ptr());
this->sz_traits().set_size(0);
}
//! <b>Effects</b>: Returns the number of contained elements with the given value
//!
//! <b>Complexity</b>: Logarithmic to the number of elements contained plus lineal
//! to number of objects with the given value.
//!
//! <b>Throws</b>: If `value_compare` throws.
size_type count(const_reference value) const
{ return size_type(this->count(value, this->comp())); }
//! <b>Effects</b>: Returns the number of contained elements with the given key
//!
//! <b>Complexity</b>: Logarithmic to the number of elements contained plus lineal
//! to number of objects with the given key.
//!
//! <b>Throws</b>: If `comp` throws.
template<class KeyType, class KeyValueCompare>
size_type count(const KeyType &key, KeyValueCompare comp) const
{
std::pair<const_iterator, const_iterator> ret = this->equal_range(key, comp);
return size_type(std::distance(ret.first, ret.second));
}
#if !defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
//Add non-const overloads to theoretically const members
//as some algorithms have different behavior when non-const versions are used (like splay trees).
size_type count(const_reference value)
{ return size_type(this->count(value, this->comp())); }
template<class KeyType, class KeyValueCompare>
size_type count(const KeyType &key, KeyValueCompare comp)
{
std::pair<const_iterator, const_iterator> ret = this->equal_range(key, comp);
return size_type(std::distance(ret.first, ret.second));
}
#else //defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
//! <b>Effects</b>: Returns an iterator to the first element whose
//! key is not less than k or end() if that element does not exist.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `value_compare` throws.
iterator lower_bound(const_reference value);
//! <b>Effects</b>: Returns an iterator to the first element whose
//! key is not less than k or end() if that element does not exist.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `value_compare` throws.
const_iterator lower_bound(const_reference value) const;
//! <b>Effects</b>: Returns an iterator to the first element whose
//! key is not less than k or end() if that element does not exist.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `comp` throws.
template<class KeyType, class KeyValueCompare>
iterator lower_bound(const KeyType &key, KeyValueCompare comp);
//! <b>Effects</b>: Returns a const iterator to the first element whose
//! key is not less than k or end() if that element does not exist.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `comp` throws.
template<class KeyType, class KeyValueCompare>
const_iterator lower_bound(const KeyType &key, KeyValueCompare comp) const;
//! <b>Effects</b>: Returns an iterator to the first element whose
//! key is greater than k or end() if that element does not exist.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `value_compare` throws.
iterator upper_bound(const_reference value);
//! <b>Effects</b>: Returns an iterator to the first element whose
//! key is greater than k according to comp or end() if that element
//! does not exist.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `comp` throws.
template<class KeyType, class KeyValueCompare>
iterator upper_bound(const KeyType &key, KeyValueCompare comp);
//! <b>Effects</b>: Returns an iterator to the first element whose
//! key is greater than k or end() if that element does not exist.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `value_compare` throws.
const_iterator upper_bound(const_reference value) const;
//! <b>Effects</b>: Returns an iterator to the first element whose
//! key is greater than k according to comp or end() if that element
//! does not exist.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `comp` throws.
template<class KeyType, class KeyValueCompare>
const_iterator upper_bound(const KeyType &key, KeyValueCompare comp) const;
//! <b>Effects</b>: Finds an iterator to the first element whose key is
//! k or end() if that element does not exist.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `value_compare` throws.
iterator find(const_reference value);
//! <b>Effects</b>: Finds an iterator to the first element whose key is
//! k or end() if that element does not exist.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `comp` throws.
template<class KeyType, class KeyValueCompare>
iterator find(const KeyType &key, KeyValueCompare comp);
//! <b>Effects</b>: Finds a const_iterator to the first element whose key is
//! k or end() if that element does not exist.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `value_compare` throws.
const_iterator find(const_reference value) const;
//! <b>Effects</b>: Finds a const_iterator to the first element whose key is
//! k or end() if that element does not exist.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `comp` throws.
template<class KeyType, class KeyValueCompare>
const_iterator find(const KeyType &key, KeyValueCompare comp) const;
//! <b>Effects</b>: Finds a range containing all elements whose key is k or
//! an empty range that indicates the position where those elements would be
//! if they there is no elements with key k.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `value_compare` throws.
std::pair<iterator,iterator> equal_range(const_reference value);
//! <b>Effects</b>: Finds a range containing all elements whose key is k or
//! an empty range that indicates the position where those elements would be
//! if they there is no elements with key k.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `comp` throws.
template<class KeyType, class KeyValueCompare>
std::pair<iterator,iterator> equal_range(const KeyType &key, KeyValueCompare comp);
//! <b>Effects</b>: Finds a range containing all elements whose key is k or
//! an empty range that indicates the position where those elements would be
//! if they there is no elements with key k.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `value_compare` throws.
std::pair<const_iterator, const_iterator>
equal_range(const_reference value) const;
//! <b>Effects</b>: Finds a range containing all elements whose key is k or
//! an empty range that indicates the position where those elements would be
//! if they there is no elements with key k.
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `comp` throws.
template<class KeyType, class KeyValueCompare>
std::pair<const_iterator, const_iterator>
equal_range(const KeyType &key, KeyValueCompare comp) const;
//! <b>Requires</b>: 'lower_value' must not be greater than 'upper_value'. If
//! 'lower_value' == 'upper_value', ('left_closed' || 'right_closed') must be false.
//!
//! <b>Effects</b>: Returns an a pair with the following criteria:
//!
//! first = lower_bound(lower_key) if left_closed, upper_bound(lower_key) otherwise
//!
//! second = upper_bound(upper_key) if right_closed, lower_bound(upper_key) otherwise
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `value_compare` throws.
//!
//! <b>Note</b>: This function can be more efficient than calling upper_bound
//! and lower_bound for lower_value and upper_value.
//!
//! <b>Note</b>: Experimental function, the interface might change in future releases.
std::pair<iterator,iterator> bounded_range
(const_reference lower_value, const_reference upper_value, bool left_closed, bool right_closed);
//! <b>Requires</b>: KeyValueCompare is a function object that induces a strict weak
//! ordering compatible with the strict weak ordering used to create the
//! the container.
//! 'lower_key' must not be greater than 'upper_key' according to 'comp'. If
//! 'lower_key' == 'upper_key', ('left_closed' || 'right_closed') must be false.
//!
//! <b>Effects</b>: Returns an a pair with the following criteria:
//!
//! first = lower_bound(lower_key, comp) if left_closed, upper_bound(lower_key, comp) otherwise
//!
//! second = upper_bound(upper_key, comp) if right_closed, lower_bound(upper_key, comp) otherwise
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `comp` throws.
//!
//! <b>Note</b>: This function can be more efficient than calling upper_bound
//! and lower_bound for lower_key and upper_key.
//!
//! <b>Note</b>: Experimental function, the interface might change in future releases.
template<class KeyType, class KeyValueCompare>
std::pair<iterator,iterator> bounded_range
(const KeyType &lower_key, const KeyType &upper_key, KeyValueCompare comp, bool left_closed, bool right_closed);
//! <b>Requires</b>: 'lower_value' must not be greater than 'upper_value'. If
//! 'lower_value' == 'upper_value', ('left_closed' || 'right_closed') must be false.
//!
//! <b>Effects</b>: Returns an a pair with the following criteria:
//!
//! first = lower_bound(lower_key) if left_closed, upper_bound(lower_key) otherwise
//!
//! second = upper_bound(upper_key) if right_closed, lower_bound(upper_key) otherwise
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `value_compare` throws.
//!
//! <b>Note</b>: This function can be more efficient than calling upper_bound
//! and lower_bound for lower_value and upper_value.
//!
//! <b>Note</b>: Experimental function, the interface might change in future releases.
std::pair<const_iterator,const_iterator> bounded_range
(const_reference lower_value, const_reference upper_value, bool left_closed, bool right_closed) const;
//! <b>Requires</b>: KeyValueCompare is a function object that induces a strict weak
//! ordering compatible with the strict weak ordering used to create the
//! the container.
//! 'lower_key' must not be greater than 'upper_key' according to 'comp'. If
//! 'lower_key' == 'upper_key', ('left_closed' || 'right_closed') must be false.
//!
//! <b>Effects</b>: Returns an a pair with the following criteria:
//!
//! first = lower_bound(lower_key, comp) if left_closed, upper_bound(lower_key, comp) otherwise
//!
//! second = upper_bound(upper_key, comp) if right_closed, lower_bound(upper_key, comp) otherwise
//!
//! <b>Complexity</b>: Logarithmic.
//!
//! <b>Throws</b>: If `comp` throws.
//!
//! <b>Note</b>: This function can be more efficient than calling upper_bound
//! and lower_bound for lower_key and upper_key.
//!
//! <b>Note</b>: Experimental function, the interface might change in future releases.
template<class KeyType, class KeyValueCompare>
std::pair<const_iterator,const_iterator> bounded_range
(const KeyType &lower_key, const KeyType &upper_key, KeyValueCompare comp, bool left_closed, bool right_closed) const;
//! <b>Requires</b>: value must be an lvalue and shall be in a set of
//! appropriate type. Otherwise the behavior is undefined.
//!
//! <b>Effects</b>: Returns: a valid iterator i belonging to the set
//! that points to the value
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Note</b>: This static function is available only if the <i>value traits</i>
//! is stateless.
static iterator s_iterator_to(reference value);
//! <b>Requires</b>: value must be an lvalue and shall be in a set of
//! appropriate type. Otherwise the behavior is undefined.
//!
//! <b>Effects</b>: Returns: a valid const_iterator i belonging to the
//! set that points to the value
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Note</b>: This static function is available only if the <i>value traits</i>
//! is stateless.
static const_iterator s_iterator_to(const_reference value);
//! <b>Requires</b>: value must be an lvalue and shall be in a set of
//! appropriate type. Otherwise the behavior is undefined.
//!
//! <b>Effects</b>: Returns: a valid iterator i belonging to the set
//! that points to the value
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
iterator iterator_to(reference value);
//! <b>Requires</b>: value must be an lvalue and shall be in a set of
//! appropriate type. Otherwise the behavior is undefined.
//!
//! <b>Effects</b>: Returns: a valid const_iterator i belonging to the
//! set that points to the value
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
const_iterator iterator_to(const_reference value) const;
//! <b>Requires</b>: value shall not be in a container.
//!
//! <b>Effects</b>: init_node puts the hook of a value in a well-known default
//! state.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Constant time.
//!
//! <b>Note</b>: This function puts the hook in the well-known default state
//! used by auto_unlink and safe hooks.
static void init_node(reference value);
#endif //#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
//! <b>Effects</b>: Unlinks the leftmost node from the container.
//!
//! <b>Complexity</b>: Average complexity is constant time.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Notes</b>: This function breaks the container and the container can
//! only be used for more unlink_leftmost_without_rebalance calls.
//! This function is normally used to achieve a step by step
//! controlled destruction of the container.
pointer unlink_leftmost_without_rebalance()
{
node_ptr to_be_disposed(node_algorithms::unlink_leftmost_without_rebalance
(this->header_ptr()));
if(!to_be_disposed)
return 0;
this->sz_traits().decrement();
if(safemode_or_autounlink)//If this is commented does not work with normal_link
node_algorithms::init(to_be_disposed);
return this->get_value_traits().to_value_ptr(to_be_disposed);
}
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
//! <b>Requires</b>: replace_this must be a valid iterator of *this
//! and with_this must not be inserted in any container.
//!
//! <b>Effects</b>: Replaces replace_this in its position in the
//! container with with_this. The container does not need to be rebalanced.
//!
//! <b>Complexity</b>: Constant.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Note</b>: This function will break container ordering invariants if
//! with_this is not equivalent to *replace_this according to the
//! ordering rules. This function is faster than erasing and inserting
//! the node, since no rebalancing or comparison is needed.
void replace_node(iterator replace_this, reference with_this);
//! <b>Effects</b>: Rebalances the tree.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Linear.
void rebalance();
//! <b>Requires</b>: old_root is a node of a tree.
//!
//! <b>Effects</b>: Rebalances the subtree rooted at old_root.
//!
//! <b>Returns</b>: The new root of the subtree.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Linear to the elements in the subtree.
iterator rebalance_subtree(iterator root);
#endif //#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
//! <b>Effects</b>: removes "value" from the container.
//!
//! <b>Throws</b>: Nothing.
//!
//! <b>Complexity</b>: Logarithmic time.
//!
//! <b>Note</b>: This static function is only usable with non-constant
//! time size containers that have stateless comparison functors.
//!
//! If the user calls
//! this function with a constant time size container or stateful comparison
//! functor a compilation error will be issued.
static void remove_node(reference value)
{
BOOST_STATIC_ASSERT((!constant_time_size));
node_ptr to_remove(value_traits::to_node_ptr(value));
node_algorithms::unlink(to_remove);
if(safemode_or_autounlink)
node_algorithms::init(to_remove);
}
/// @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
};
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
template<class T, class ...Options>
#else
template<class ValueTraits, class VoidKeyComp, class SizeType, bool ConstantTimeSize, algo_types AlgoType, typename HeaderHolder>
#endif
inline bool operator<
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
(const bstree_impl<T, Options...> &x, const bstree_impl<T, Options...> &y)
#else
( const bstree_impl<ValueTraits, VoidKeyComp, SizeType, ConstantTimeSize, AlgoType, HeaderHolder> &x
, const bstree_impl<ValueTraits, VoidKeyComp, SizeType, ConstantTimeSize, AlgoType, HeaderHolder> &y)
#endif
{ return std::lexicographical_compare(x.begin(), x.end(), y.begin(), y.end()); }
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
template<class T, class ...Options>
#else
template<class ValueTraits, class VoidKeyComp, class SizeType, bool ConstantTimeSize, algo_types AlgoType, typename HeaderHolder>
#endif
bool operator==
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
(const bstree_impl<T, Options...> &x, const bstree_impl<T, Options...> &y)
#else
( const bstree_impl<ValueTraits, VoidKeyComp, SizeType, ConstantTimeSize, AlgoType, HeaderHolder> &x
, const bstree_impl<ValueTraits, VoidKeyComp, SizeType, ConstantTimeSize, AlgoType, HeaderHolder> &y)
#endif
{
typedef bstree_impl<ValueTraits, VoidKeyComp, SizeType, ConstantTimeSize, AlgoType, HeaderHolder> tree_type;
typedef typename tree_type::const_iterator const_iterator;
if(tree_type::constant_time_size && x.size() != y.size()){
return false;
}
const_iterator end1 = x.end();
const_iterator i1 = x.begin();
const_iterator i2 = y.begin();
if(tree_type::constant_time_size){
while (i1 != end1 && *i1 == *i2) {
++i1;
++i2;
}
return i1 == end1;
}
else{
const_iterator end2 = y.end();
while (i1 != end1 && i2 != end2 && *i1 == *i2) {
++i1;
++i2;
}
return i1 == end1 && i2 == end2;
}
}
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
template<class T, class ...Options>
#else
template<class ValueTraits, class VoidKeyComp, class SizeType, bool ConstantTimeSize, algo_types AlgoType, typename HeaderHolder>
#endif
inline bool operator!=
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
(const bstree_impl<T, Options...> &x, const bstree_impl<T, Options...> &y)
#else
( const bstree_impl<ValueTraits, VoidKeyComp, SizeType, ConstantTimeSize, AlgoType, HeaderHolder> &x
, const bstree_impl<ValueTraits, VoidKeyComp, SizeType, ConstantTimeSize, AlgoType, HeaderHolder> &y)
#endif
{ return !(x == y); }
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
template<class T, class ...Options>
#else
template<class ValueTraits, class VoidKeyComp, class SizeType, bool ConstantTimeSize, algo_types AlgoType, typename HeaderHolder>
#endif
inline bool operator>
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
(const bstree_impl<T, Options...> &x, const bstree_impl<T, Options...> &y)
#else
( const bstree_impl<ValueTraits, VoidKeyComp, SizeType, ConstantTimeSize, AlgoType, HeaderHolder> &x
, const bstree_impl<ValueTraits, VoidKeyComp, SizeType, ConstantTimeSize, AlgoType, HeaderHolder> &y)
#endif
{ return y < x; }
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
template<class T, class ...Options>
#else
template<class ValueTraits, class VoidKeyComp, class SizeType, bool ConstantTimeSize, algo_types AlgoType, typename HeaderHolder>
#endif
inline bool operator<=
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
(const bstree_impl<T, Options...> &x, const bstree_impl<T, Options...> &y)
#else
( const bstree_impl<ValueTraits, VoidKeyComp, SizeType, ConstantTimeSize, AlgoType, HeaderHolder> &x
, const bstree_impl<ValueTraits, VoidKeyComp, SizeType, ConstantTimeSize, AlgoType, HeaderHolder> &y)
#endif
{ return !(y < x); }
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
template<class T, class ...Options>
#else
template<class ValueTraits, class VoidKeyComp, class SizeType, bool ConstantTimeSize, algo_types AlgoType, typename HeaderHolder>
#endif
inline bool operator>=
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
(const bstree_impl<T, Options...> &x, const bstree_impl<T, Options...> &y)
#else
( const bstree_impl<ValueTraits, VoidKeyComp, SizeType, ConstantTimeSize, AlgoType, HeaderHolder> &x
, const bstree_impl<ValueTraits, VoidKeyComp, SizeType, ConstantTimeSize, AlgoType, HeaderHolder> &y)
#endif
{ return !(x < y); }
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
template<class T, class ...Options>
#else
template<class ValueTraits, class VoidKeyComp, class SizeType, bool ConstantTimeSize, algo_types AlgoType, typename HeaderHolder>
#endif
inline void swap
#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
(bstree_impl<T, Options...> &x, bstree_impl<T, Options...> &y)
#else
( bstree_impl<ValueTraits, VoidKeyComp, SizeType, ConstantTimeSize, AlgoType, HeaderHolder> &x
, bstree_impl<ValueTraits, VoidKeyComp, SizeType, ConstantTimeSize, AlgoType, HeaderHolder> &y)
#endif
{ x.swap(y); }
//! Helper metafunction to define a \c bstree 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>
#endif
struct make_bstree
{
/// @cond
typedef typename pack_options
< bstree_defaults,
#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
O1, O2, O3, O4, O5
#else
Options...
#endif
>::type packed_options;
typedef typename detail::get_value_traits
<T, typename packed_options::proto_value_traits>::type value_traits;
typedef typename detail::get_header_holder_type
< value_traits, typename packed_options::header_holder_type >::type header_holder_type;
typedef bstree_impl
< value_traits
, typename packed_options::compare
, typename packed_options::size_type
, packed_options::constant_time_size
, BsTreeAlgorithms
, 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>
#else
template<class T, class ...Options>
#endif
class bstree
: public make_bstree<T,
#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
O1, O2, O3, O4, O5
#else
Options...
#endif
>::type
{
typedef typename make_bstree
<T,
#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
O1, O2, O3, O4, O5
#else
Options...
#endif
>::type Base;
BOOST_MOVABLE_BUT_NOT_COPYABLE(bstree)
public:
typedef typename Base::value_compare value_compare;
typedef typename Base::value_traits value_traits;
typedef typename Base::iterator iterator;
typedef typename Base::const_iterator const_iterator;
//Assert if passed value traits are compatible with the type
BOOST_STATIC_ASSERT((detail::is_same<typename value_traits::value_type, T>::value));
bstree( const value_compare &cmp = value_compare()
, const value_traits &v_traits = value_traits())
: Base(cmp, v_traits)
{}
template<class Iterator>
bstree( bool unique, Iterator b, Iterator e
, const value_compare &cmp = value_compare()
, const value_traits &v_traits = value_traits())
: Base(unique, b, e, cmp, v_traits)
{}
bstree(BOOST_RV_REF(bstree) x)
: Base(::boost::move(static_cast<Base&>(x)))
{}
bstree& operator=(BOOST_RV_REF(bstree) x)
{ return static_cast<bstree &>(this->Base::operator=(::boost::move(static_cast<Base&>(x)))); }
static bstree &container_from_end_iterator(iterator end_iterator)
{ return static_cast<bstree &>(Base::container_from_end_iterator(end_iterator)); }
static const bstree &container_from_end_iterator(const_iterator end_iterator)
{ return static_cast<const bstree &>(Base::container_from_end_iterator(end_iterator)); }
static bstree &container_from_iterator(iterator it)
{ return static_cast<bstree &>(Base::container_from_iterator(it)); }
static const bstree &container_from_iterator(const_iterator it)
{ return static_cast<const bstree &>(Base::container_from_iterator(it)); }
};
#endif
} //namespace intrusive
} //namespace boost
#include <boost/intrusive/detail/config_end.hpp>
#endif //BOOST_INTRUSIVE_BSTREE_HPP