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68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Olaf Krzikalla 2004-2006.
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// (C) Copyright Ion Gaztanaga 2006-2013
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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_LIST_NODE_HPP
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#define BOOST_INTRUSIVE_LIST_NODE_HPP
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#if defined(_MSC_VER)
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# pragma once
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#endif
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#include <boost/intrusive/pointer_rebind.hpp>
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namespace boost {
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namespace intrusive {
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// list_node_traits can be used with circular_list_algorithms and supplies
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// a list_node holding the pointers needed for a double-linked list
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// it is used by list_derived_node and list_member_node
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template<class VoidPointer>
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struct list_node
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{
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typedef typename pointer_rebind<VoidPointer, list_node>::type node_ptr;
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node_ptr next_;
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node_ptr prev_;
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};
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template<class VoidPointer>
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struct list_node_traits
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{
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typedef list_node<VoidPointer> node;
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typedef typename node::node_ptr node_ptr;
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typedef typename pointer_rebind<VoidPointer, const node>::type const_node_ptr;
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static node_ptr get_previous(const const_node_ptr & n)
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{ return n->prev_; }
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static node_ptr get_previous(const node_ptr & n)
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{ return n->prev_; }
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static void set_previous(const node_ptr & n, const node_ptr & prev)
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{ n->prev_ = prev; }
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static node_ptr get_next(const const_node_ptr & n)
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{ return n->next_; }
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static node_ptr get_next(const node_ptr & n)
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{ return n->next_; }
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static void set_next(const node_ptr & n, const node_ptr & next)
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{ n->next_ = next; }
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};
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} //namespace intrusive
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} //namespace boost
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#endif //BOOST_INTRUSIVE_LIST_NODE_HPP
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