3 // Copyright (C) 2005, 2006 Free Software Foundation, Inc.
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the terms
7 // of the GNU General Public License as published by the Free Software
8 // Foundation; either version 2, or (at your option) any later
11 // This library is distributed in the hope that it will be useful, but
12 // WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this library; see the file COPYING. If not, write to
18 // the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
19 // MA 02111-1307, USA.
21 // As a special exception, you may use this file as part of a free
22 // software library without restriction. Specifically, if other files
23 // instantiate templates or use macros or inline functions from this
24 // file, or you compile this file and link it with other files to
25 // produce an executable, this file does not by itself cause the
26 // resulting executable to be covered by the GNU General Public
27 // License. This exception does not however invalidate any other
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31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
33 // Permission to use, copy, modify, sell, and distribute this software
34 // is hereby granted without fee, provided that the above copyright
35 // notice appears in all copies, and that both that copyright notice
36 // and this permission notice appear in supporting documentation. None
37 // of the above authors, nor IBM Haifa Research Laboratories, make any
38 // representation about the suitability of this software for any
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44 * Contains an implementation struct for splay_tree_'s node.
47 #ifndef PB_DS_SPLAY_TREE_NODE_HPP
48 #define PB_DS_SPLAY_TREE_NODE_HPP
54 template<typename Value_Type, class Metadata, class Allocator>
55 struct splay_tree_node_
58 typedef Value_Type value_type;
59 typedef Metadata metadata_type;
62 typename Allocator::template rebind<
63 splay_tree_node_<Value_Type, Metadata, Allocator> >::other::pointer
67 typename Allocator::template rebind<metadata_type>::other::reference
71 typename Allocator::template rebind<metadata_type>::other::const_reference
72 const_metadata_reference;
74 #ifdef PB_DS_BIN_SEARCH_TREE_TRACE_
77 { std::cout << PB_DS_V2F(m_value) << "(" << m_metadata << ")"; }
84 inline const_metadata_reference
86 { return m_metadata; }
88 inline metadata_reference
90 { return m_metadata; }
94 node_pointer m_p_left;
95 node_pointer m_p_right;
96 node_pointer m_p_parent;
97 metadata_type m_metadata;
100 template<typename Value_Type, typename Allocator>
101 struct splay_tree_node_<Value_Type, null_node_metadata, Allocator>
104 typedef Value_Type value_type;
105 typedef null_node_metadata metadata_type;
108 typename Allocator::template rebind<
109 splay_tree_node_<Value_Type, null_node_metadata, Allocator> >::other::pointer
114 { return m_special; }
116 #ifdef PB_DS_BIN_SEARCH_TREE_TRACE_
119 { std::cout << PB_DS_V2F(m_value); }
122 node_pointer m_p_left;
123 node_pointer m_p_right;
124 node_pointer m_p_parent;
128 } // namespace detail