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 for rb_tree_. 45169691Skan */ 46169691Skan 47169691Skan#ifndef PB_DS_RB_TREE_NODE_HPP 48169691Skan#define PB_DS_RB_TREE_NODE_HPP 49169691Skan 50169691Skan#include <ext/pb_ds/detail/basic_tree_policy/null_node_metadata.hpp> 51169691Skan 52169691Skannamespace pb_ds 53169691Skan{ 54169691Skan namespace detail 55169691Skan { 56169691Skan template<typename Value_Type, class Metadata, class Allocator> 57169691Skan struct rb_tree_node_ 58169691Skan { 59169691Skan public: 60169691Skan typedef Value_Type value_type; 61169691Skan typedef Metadata metadata_type; 62169691Skan 63169691Skan typedef 64169691Skan typename Allocator::template rebind< 65169691Skan rb_tree_node_< 66169691Skan Value_Type, 67169691Skan Metadata, 68169691Skan Allocator> >::other::pointer 69169691Skan node_pointer; 70169691Skan 71169691Skan typedef 72169691Skan typename Allocator::template rebind< 73169691Skan metadata_type>::other::reference 74169691Skan metadata_reference; 75169691Skan 76169691Skan typedef 77169691Skan typename Allocator::template rebind< 78169691Skan metadata_type>::other::const_reference 79169691Skan const_metadata_reference; 80169691Skan 81169691Skan inline bool 82169691Skan special() const 83169691Skan { return m_red; } 84169691Skan 85169691Skan inline const_metadata_reference 86169691Skan get_metadata() const 87169691Skan { return m_metadata; } 88169691Skan 89169691Skan inline metadata_reference 90169691Skan get_metadata() 91169691Skan { return m_metadata; } 92169691Skan 93169691Skan#ifdef PB_DS_BIN_SEARCH_TREE_TRACE_ 94169691Skan void 95169691Skan trace() const 96169691Skan { 97169691Skan std::cout << PB_DS_V2F(m_value) <<(m_red? " <r> " : " <b> ") 98169691Skan << "(" << m_metadata << ")"; 99169691Skan } 100169691Skan#endif 101169691Skan 102169691Skan node_pointer m_p_left; 103169691Skan node_pointer m_p_right; 104169691Skan node_pointer m_p_parent; 105169691Skan value_type m_value; 106169691Skan bool m_red; 107169691Skan metadata_type m_metadata; 108169691Skan }; 109169691Skan 110169691Skan template<typename Value_Type, class Allocator> 111169691Skan struct rb_tree_node_<Value_Type, null_node_metadata, Allocator> 112169691Skan { 113169691Skan public: 114169691Skan typedef Value_Type value_type; 115169691Skan typedef null_node_metadata metadata_type; 116169691Skan 117169691Skan typedef 118169691Skan typename Allocator::template rebind< 119169691Skan rb_tree_node_< 120169691Skan Value_Type, 121169691Skan null_node_metadata, 122169691Skan Allocator> >::other::pointer 123169691Skan node_pointer; 124169691Skan 125169691Skan inline bool 126169691Skan special() const 127169691Skan { return m_red; } 128169691Skan 129169691Skan#ifdef PB_DS_BIN_SEARCH_TREE_TRACE_ 130169691Skan void 131169691Skan trace() const 132169691Skan { std::cout << PB_DS_V2F(m_value) <<(m_red? " <r> " : " <b> "); } 133169691Skan#endif 134169691Skan 135169691Skan node_pointer m_p_left; 136169691Skan node_pointer m_p_right; 137169691Skan node_pointer m_p_parent; 138169691Skan value_type m_value; 139169691Skan bool m_red; 140169691Skan }; 141169691Skan } // namespace detail 142169691Skan} // namespace pb_ds 143169691Skan 144169691Skan#endif 145