// -*- C++ -*- // Copyright (C) 2005, 2006 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the terms // of the GNU General Public License as published by the Free Software // Foundation; either version 2, or (at your option) any later // version. // This library is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // General Public License for more details. // You should have received a copy of the GNU General Public License // along with this library; see the file COPYING. If not, write to // the Free Software Foundation, 59 Temple Place - Suite 330, Boston, // MA 02111-1307, USA. // As a special exception, you may use this file as part of a free // software library without restriction. Specifically, if other files // instantiate templates or use macros or inline functions from this // file, or you compile this file and link it with other files to // produce an executable, this file does not by itself cause the // resulting executable to be covered by the GNU General Public // License. This exception does not however invalidate any other // reasons why the executable file might be covered by the GNU General // Public License. // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. // Permission to use, copy, modify, sell, and distribute this software // is hereby granted without fee, provided that the above copyright // notice appears in all copies, and that both that copyright notice // and this permission notice appear in supporting documentation. None // of the above authors, nor IBM Haifa Research Laboratories, make any // representation about the suitability of this software for any // purpose. It is provided "as is" without express or implied // warranty. /** * @file node.hpp * Contains an implementation struct for splay_tree_'s node. */ #ifndef PB_DS_SPLAY_TREE_NODE_HPP #define PB_DS_SPLAY_TREE_NODE_HPP namespace pb_ds { namespace detail { template<typename Value_Type, class Metadata, class Allocator> struct splay_tree_node_ { public: typedef Value_Type value_type; typedef Metadata metadata_type; typedef typename Allocator::template rebind< splay_tree_node_<Value_Type, Metadata, Allocator> >::other::pointer node_pointer; typedef typename Allocator::template rebind<metadata_type>::other::reference metadata_reference; typedef typename Allocator::template rebind<metadata_type>::other::const_reference const_metadata_reference; #ifdef PB_DS_BIN_SEARCH_TREE_TRACE_ void trace() const { std::cout << PB_DS_V2F(m_value) << "(" << m_metadata << ")"; } #endif inline bool special() const { return m_special; } inline const_metadata_reference get_metadata() const { return m_metadata; } inline metadata_reference get_metadata() { return m_metadata; } value_type m_value; bool m_special; node_pointer m_p_left; node_pointer m_p_right; node_pointer m_p_parent; metadata_type m_metadata; }; template<typename Value_Type, typename Allocator> struct splay_tree_node_<Value_Type, null_node_metadata, Allocator> { public: typedef Value_Type value_type; typedef null_node_metadata metadata_type; typedef typename Allocator::template rebind< splay_tree_node_<Value_Type, null_node_metadata, Allocator> >::other::pointer node_pointer; inline bool special() const { return m_special; } #ifdef PB_DS_BIN_SEARCH_TREE_TRACE_ void trace() const { std::cout << PB_DS_V2F(m_value); } #endif node_pointer m_p_left; node_pointer m_p_right; node_pointer m_p_parent; value_type m_value; bool m_special; }; } // namespace detail } // namespace pb_ds #endif