ext-boost/boost/intrusive/detail/tree_node.hpp
2014-12-28 01:22:08 -02:00

76 lines
1.9 KiB
C++

/////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2007-2013
//
// 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_TREE_NODE_HPP
#define BOOST_INTRUSIVE_TREE_NODE_HPP
#if defined(_MSC_VER)
# pragma once
#endif
#include <boost/intrusive/detail/config_begin.hpp>
#include <boost/intrusive/pointer_rebind.hpp>
namespace boost {
namespace intrusive {
template<class VoidPointer>
struct tree_node
{
typedef typename pointer_rebind<VoidPointer, tree_node>::type node_ptr;
node_ptr parent_, left_, right_;
};
template<class VoidPointer>
struct tree_node_traits
{
typedef tree_node<VoidPointer> node;
typedef typename node::node_ptr node_ptr;
typedef typename pointer_rebind<VoidPointer, const node>::type const_node_ptr;
static node_ptr get_parent(const const_node_ptr & n)
{ return n->parent_; }
static node_ptr get_parent(const node_ptr & n)
{ return n->parent_; }
static void set_parent(const node_ptr & n, const node_ptr & p)
{ n->parent_ = p; }
static node_ptr get_left(const const_node_ptr & n)
{ return n->left_; }
static node_ptr get_left(const node_ptr & n)
{ return n->left_; }
static void set_left(const node_ptr & n, const node_ptr & l)
{ n->left_ = l; }
static node_ptr get_right(const const_node_ptr & n)
{ return n->right_; }
static node_ptr get_right(const node_ptr & n)
{ return n->right_; }
static void set_right(const node_ptr & n, const node_ptr & r)
{ n->right_ = r; }
};
} //namespace intrusive
} //namespace boost
#include <boost/intrusive/detail/config_end.hpp>
#endif //BOOST_INTRUSIVE_TREE_NODE_HPP