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289 lines
10 KiB
C++
289 lines
10 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2007-2013
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/intrusive for documentation.
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//
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/////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_INTRUSIVE_BS_SET_HOOK_HPP
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#define BOOST_INTRUSIVE_BS_SET_HOOK_HPP
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#include <boost/intrusive/detail/config_begin.hpp>
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#include <boost/intrusive/intrusive_fwd.hpp>
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#include <boost/intrusive/detail/tree_node.hpp>
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#include <boost/intrusive/bstree_algorithms.hpp>
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#include <boost/intrusive/options.hpp>
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#include <boost/intrusive/detail/generic_hook.hpp>
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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namespace boost {
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namespace intrusive {
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//! Helper metafunction to define a \c bs_set_base_hook that yields to the same
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//! type when the same options (either explicitly or implicitly) are used.
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#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED) || defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
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template<class ...Options>
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#else
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template<class O1 = void, class O2 = void, class O3 = void>
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#endif
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struct make_bs_set_base_hook
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{
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/// @cond
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typedef typename pack_options
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#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
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< hook_defaults, O1, O2, O3>
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#else
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< hook_defaults, Options...>
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#endif
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::type packed_options;
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typedef generic_hook
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< BsTreeAlgorithms
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, tree_node_traits<typename packed_options::void_pointer>
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, typename packed_options::tag
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, packed_options::link_mode
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, BsTreeBaseHookId
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> implementation_defined;
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/// @endcond
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typedef implementation_defined type;
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};
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//! Derive a class from bs_set_base_hook in order to store objects in
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//! in a bs_set/bs_multiset. bs_set_base_hook holds the data necessary to maintain
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//! the bs_set/bs_multiset and provides an appropriate value_traits class for bs_set/bs_multiset.
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//!
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//! The hook admits the following options: \c tag<>, \c void_pointer<>,
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//! \c link_mode<>.
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//!
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//! \c tag<> defines a tag to identify the node.
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//! The same tag value can be used in different classes, but if a class is
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//! derived from more than one \c list_base_hook, then each \c list_base_hook needs its
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//! unique tag.
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//!
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//! \c void_pointer<> is the pointer type that will be used internally in the hook
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//! and the container configured to use this hook.
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//!
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//! \c link_mode<> will specify the linking mode of the hook (\c normal_link,
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//! \c auto_unlink or \c safe_link).
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#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED) || defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
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template<class ...Options>
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#else
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template<class O1, class O2, class O3>
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#endif
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class bs_set_base_hook
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: public make_bs_set_base_hook
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#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
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<O1, O2, O3>
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#else
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<Options...>
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#endif
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::type
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{
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#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
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public:
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//! <b>Effects</b>: If link_mode is \c auto_unlink or \c safe_link
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//! initializes the node to an unlinked state.
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//!
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//! <b>Throws</b>: Nothing.
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bs_set_base_hook();
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//! <b>Effects</b>: If link_mode is \c auto_unlink or \c safe_link
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//! initializes the node to an unlinked state. The argument is ignored.
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//!
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//! <b>Throws</b>: Nothing.
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//!
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//! <b>Rationale</b>: Providing a copy-constructor
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//! makes classes using the hook STL-compliant without forcing the
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//! user to do some additional work. \c swap can be used to emulate
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//! move-semantics.
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bs_set_base_hook(const bs_set_base_hook& );
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//! <b>Effects</b>: Empty function. The argument is ignored.
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//!
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//! <b>Throws</b>: Nothing.
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//!
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//! <b>Rationale</b>: Providing an assignment operator
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//! makes classes using the hook STL-compliant without forcing the
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//! user to do some additional work. \c swap can be used to emulate
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//! move-semantics.
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bs_set_base_hook& operator=(const bs_set_base_hook& );
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//! <b>Effects</b>: If link_mode is \c normal_link, the destructor does
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//! nothing (ie. no code is generated). If link_mode is \c safe_link and the
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//! object is stored in a set an assertion is raised. If link_mode is
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//! \c auto_unlink and \c is_linked() is true, the node is unlinked.
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//!
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//! <b>Throws</b>: Nothing.
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~bs_set_base_hook();
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//! <b>Effects</b>: Swapping two nodes swaps the position of the elements
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//! related to those nodes in one or two containers. That is, if the node
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//! this is part of the element e1, the node x is part of the element e2
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//! and both elements are included in the containers s1 and s2, then after
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//! the swap-operation e1 is in s2 at the position of e2 and e2 is in s1
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//! at the position of e1. If one element is not in a container, then
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//! after the swap-operation the other element is not in a container.
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//! Iterators to e1 and e2 related to those nodes are invalidated.
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//!
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//! <b>Complexity</b>: Constant
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//!
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//! <b>Throws</b>: Nothing.
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void swap_nodes(bs_set_base_hook &other);
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//! <b>Precondition</b>: link_mode must be \c safe_link or \c auto_unlink.
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//!
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//! <b>Returns</b>: true, if the node belongs to a container, false
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//! otherwise. This function can be used to test whether \c set::iterator_to
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//! will return a valid iterator.
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//!
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//! <b>Complexity</b>: Constant
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bool is_linked() const;
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//! <b>Effects</b>: Removes the node if it's inserted in a container.
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//! This function is only allowed if link_mode is \c auto_unlink.
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//!
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//! <b>Throws</b>: Nothing.
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void unlink();
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#endif
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};
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//! Helper metafunction to define a \c bs_set_member_hook that yields to the same
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//! type when the same options (either explicitly or implicitly) are used.
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#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED) || defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
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template<class ...Options>
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#else
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template<class O1 = void, class O2 = void, class O3 = void>
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#endif
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struct make_bs_set_member_hook
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{
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/// @cond
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typedef typename pack_options
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#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
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< hook_defaults, O1, O2, O3>
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#else
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< hook_defaults, Options...>
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#endif
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::type packed_options;
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typedef generic_hook
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< BsTreeAlgorithms
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, tree_node_traits<typename packed_options::void_pointer>
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, member_tag
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, packed_options::link_mode
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, NoBaseHookId
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> implementation_defined;
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/// @endcond
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typedef implementation_defined type;
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};
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//! Put a public data member bs_set_member_hook in order to store objects of this class in
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//! a bs_set/bs_multiset. bs_set_member_hook holds the data necessary for maintaining the
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//! bs_set/bs_multiset and provides an appropriate value_traits class for bs_set/bs_multiset.
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//!
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//! The hook admits the following options: \c void_pointer<>, \c link_mode<>.
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//!
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//! \c void_pointer<> is the pointer type that will be used internally in the hook
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//! and the container configured to use this hook.
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//!
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//! \c link_mode<> will specify the linking mode of the hook (\c normal_link,
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//! \c auto_unlink or \c safe_link).
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#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED) || defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
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template<class ...Options>
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#else
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template<class O1, class O2, class O3>
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#endif
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class bs_set_member_hook
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: public make_bs_set_member_hook
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#if !defined(BOOST_INTRUSIVE_VARIADIC_TEMPLATES)
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<O1, O2, O3>
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#else
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<Options...>
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#endif
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::type
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{
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#if defined(BOOST_INTRUSIVE_DOXYGEN_INVOKED)
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public:
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//! <b>Effects</b>: If link_mode is \c auto_unlink or \c safe_link
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//! initializes the node to an unlinked state.
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//!
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//! <b>Throws</b>: Nothing.
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bs_set_member_hook();
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//! <b>Effects</b>: If link_mode is \c auto_unlink or \c safe_link
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//! initializes the node to an unlinked state. The argument is ignored.
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//!
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//! <b>Throws</b>: Nothing.
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//!
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//! <b>Rationale</b>: Providing a copy-constructor
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//! makes classes using the hook STL-compliant without forcing the
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//! user to do some additional work. \c swap can be used to emulate
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//! move-semantics.
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bs_set_member_hook(const bs_set_member_hook& );
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//! <b>Effects</b>: Empty function. The argument is ignored.
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//!
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//! <b>Throws</b>: Nothing.
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//!
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//! <b>Rationale</b>: Providing an assignment operator
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//! makes classes using the hook STL-compliant without forcing the
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//! user to do some additional work. \c swap can be used to emulate
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//! move-semantics.
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bs_set_member_hook& operator=(const bs_set_member_hook& );
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//! <b>Effects</b>: If link_mode is \c normal_link, the destructor does
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//! nothing (ie. no code is generated). If link_mode is \c safe_link and the
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//! object is stored in a set an assertion is raised. If link_mode is
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//! \c auto_unlink and \c is_linked() is true, the node is unlinked.
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//!
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//! <b>Throws</b>: Nothing.
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~bs_set_member_hook();
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//! <b>Effects</b>: Swapping two nodes swaps the position of the elements
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//! related to those nodes in one or two containers. That is, if the node
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//! this is part of the element e1, the node x is part of the element e2
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//! and both elements are included in the containers s1 and s2, then after
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//! the swap-operation e1 is in s2 at the position of e2 and e2 is in s1
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//! at the position of e1. If one element is not in a container, then
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//! after the swap-operation the other element is not in a container.
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//! Iterators to e1 and e2 related to those nodes are invalidated.
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//!
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//! <b>Complexity</b>: Constant
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//!
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//! <b>Throws</b>: Nothing.
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void swap_nodes(bs_set_member_hook &other);
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//! <b>Precondition</b>: link_mode must be \c safe_link or \c auto_unlink.
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//!
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//! <b>Returns</b>: true, if the node belongs to a container, false
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//! otherwise. This function can be used to test whether \c set::iterator_to
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//! will return a valid iterator.
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//!
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//! <b>Complexity</b>: Constant
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bool is_linked() const;
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//! <b>Effects</b>: Removes the node if it's inserted in a container.
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//! This function is only allowed if link_mode is \c auto_unlink.
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//!
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//! <b>Throws</b>: Nothing.
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void unlink();
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#endif
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};
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} //namespace intrusive
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} //namespace boost
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#include <boost/intrusive/detail/config_end.hpp>
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#endif //BOOST_INTRUSIVE_BS_SET_HOOK_HPP
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