1169691Skan// -*- C++ -*- 2169691Skan 3169691Skan// Copyright (C) 2005, 2006 Free Software Foundation, Inc. 4169691Skan// 5169691Skan// This file is part of the GNU ISO C++ Library. This library is free 6169691Skan// software; you can redistribute it and/or modify it under the terms 7169691Skan// of the GNU General Public License as published by the Free Software 8169691Skan// Foundation; either version 2, or (at your option) any later 9169691Skan// version. 10169691Skan 11169691Skan// This library is distributed in the hope that it will be useful, but 12169691Skan// WITHOUT ANY WARRANTY; without even the implied warranty of 13169691Skan// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14169691Skan// General Public License for more details. 15169691Skan 16169691Skan// You should have received a copy of the GNU General Public License 17169691Skan// along with this library; see the file COPYING. If not, write to 18169691Skan// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, 19169691Skan// MA 02111-1307, USA. 20169691Skan 21169691Skan// As a special exception, you may use this file as part of a free 22169691Skan// software library without restriction. Specifically, if other files 23169691Skan// instantiate templates or use macros or inline functions from this 24169691Skan// file, or you compile this file and link it with other files to 25169691Skan// produce an executable, this file does not by itself cause the 26169691Skan// resulting executable to be covered by the GNU General Public 27169691Skan// License. This exception does not however invalidate any other 28169691Skan// reasons why the executable file might be covered by the GNU General 29169691Skan// Public License. 30169691Skan 31169691Skan// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 32169691Skan 33169691Skan// Permission to use, copy, modify, sell, and distribute this software 34169691Skan// is hereby granted without fee, provided that the above copyright 35169691Skan// notice appears in all copies, and that both that copyright notice 36169691Skan// and this permission notice appear in supporting documentation. None 37169691Skan// of the above authors, nor IBM Haifa Research Laboratories, make any 38169691Skan// representation about the suitability of this software for any 39169691Skan// purpose. It is provided "as is" without express or implied 40169691Skan// warranty. 41169691Skan 42169691Skan/** 43169691Skan * @file node.hpp 44169691Skan * Contains an implementation struct for splay_tree_'s node. 45169691Skan */ 46169691Skan 47169691Skan#ifndef PB_DS_SPLAY_TREE_NODE_HPP 48169691Skan#define PB_DS_SPLAY_TREE_NODE_HPP 49169691Skan 50169691Skannamespace pb_ds 51169691Skan{ 52169691Skan namespace detail 53169691Skan { 54169691Skan template<typename Value_Type, class Metadata, class Allocator> 55169691Skan struct splay_tree_node_ 56169691Skan { 57169691Skan public: 58169691Skan typedef Value_Type value_type; 59169691Skan typedef Metadata metadata_type; 60169691Skan 61169691Skan typedef 62169691Skan typename Allocator::template rebind< 63169691Skan splay_tree_node_<Value_Type, Metadata, Allocator> >::other::pointer 64169691Skan node_pointer; 65169691Skan 66169691Skan typedef 67169691Skan typename Allocator::template rebind<metadata_type>::other::reference 68169691Skan metadata_reference; 69169691Skan 70169691Skan typedef 71169691Skan typename Allocator::template rebind<metadata_type>::other::const_reference 72169691Skan const_metadata_reference; 73169691Skan 74169691Skan#ifdef PB_DS_BIN_SEARCH_TREE_TRACE_ 75169691Skan void 76169691Skan trace() const 77169691Skan { std::cout << PB_DS_V2F(m_value) << "(" << m_metadata << ")"; } 78169691Skan#endif 79169691Skan 80169691Skan inline bool 81169691Skan special() const 82169691Skan { return m_special; } 83169691Skan 84169691Skan inline const_metadata_reference 85169691Skan get_metadata() const 86169691Skan { return m_metadata; } 87169691Skan 88169691Skan inline metadata_reference 89169691Skan get_metadata() 90169691Skan { return m_metadata; } 91169691Skan 92169691Skan value_type m_value; 93169691Skan bool m_special; 94169691Skan node_pointer m_p_left; 95169691Skan node_pointer m_p_right; 96169691Skan node_pointer m_p_parent; 97169691Skan metadata_type m_metadata; 98169691Skan }; 99169691Skan 100169691Skan template<typename Value_Type, typename Allocator> 101169691Skan struct splay_tree_node_<Value_Type, null_node_metadata, Allocator> 102169691Skan { 103169691Skan public: 104169691Skan typedef Value_Type value_type; 105169691Skan typedef null_node_metadata metadata_type; 106169691Skan 107169691Skan typedef 108169691Skan typename Allocator::template rebind< 109169691Skan splay_tree_node_<Value_Type, null_node_metadata, Allocator> >::other::pointer 110169691Skan node_pointer; 111169691Skan 112169691Skan inline bool 113169691Skan special() const 114169691Skan { return m_special; } 115169691Skan 116169691Skan#ifdef PB_DS_BIN_SEARCH_TREE_TRACE_ 117169691Skan void 118169691Skan trace() const 119169691Skan { std::cout << PB_DS_V2F(m_value); } 120169691Skan#endif 121169691Skan 122169691Skan node_pointer m_p_left; 123169691Skan node_pointer m_p_right; 124169691Skan node_pointer m_p_parent; 125169691Skan value_type m_value; 126169691Skan bool m_special; 127169691Skan }; 128169691Skan } // namespace detail 129169691Skan} // namespace pb_ds 130169691Skan 131169691Skan#endif 132