release/src-rt-6.x.4708/toolchains/hndtools-arm-linux-2.6.36-uclibc-4.5.3/arm-brcm-linux-uclibcgnueabi/include/c++/4.5.3/ext/pb_ds/detail/rb_tree_map_/node.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005, 2006, 2009 Free Software Foundation, Inc.
   4 //
   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 3, or (at your option) any later
   9 // version.
  10
  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.
  15
  16 // Under Section 7 of GPL version 3, you are granted additional
  17 // permissions described in the GCC Runtime Library Exception, version
  18 // 3.1, as published by the Free Software Foundation.
  19
  20 // You should have received a copy of the GNU General Public License and
  21 // a copy of the GCC Runtime Library Exception along with this program;
  22 // see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  23 // <http://www.gnu.org/licenses/>.
  24
  25 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  26
  27 // Permission to use, copy, modify, sell, and distribute this software
  28 // is hereby granted without fee, provided that the above copyright
  29 // notice appears in all copies, and that both that copyright notice
  30 // and this permission notice appear in supporting documentation. None
  31 // of the above authors, nor IBM Haifa Research Laboratories, make any
  32 // representation about the suitability of this software for any
  33 // purpose. It is provided "as is" without express or implied
  34 // warranty.
  35
  36 /**
  37  * @file node.hpp
  38  * Contains an implementation for rb_tree_.
  39  */
  40
  41 #ifndef PB_DS_RB_TREE_NODE_HPP
  42 #define PB_DS_RB_TREE_NODE_HPP
  43
  44 #include <ext/pb_ds/detail/basic_tree_policy/null_node_metadata.hpp>
  45
  46 namespace __gnu_pbds
  47 {
  48   namespace detail
  49   {
  50     template<typename Value_Type, class Metadata, class Allocator>
  51     struct rb_tree_node_
  52     {
  53     public:
  54       typedef Value_Type value_type;
  55       typedef Metadata metadata_type;
  56
  57       typedef
  58       typename Allocator::template rebind<
  59       rb_tree_node_<
  60       Value_Type,
  61       Metadata,
  62       Allocator> >::other::pointer
  63       node_pointer;
  64
  65       typedef
  66       typename Allocator::template rebind<
  67         metadata_type>::other::reference
  68       metadata_reference;
  69
  70       typedef
  71       typename Allocator::template rebind<
  72         metadata_type>::other::const_reference
  73       const_metadata_reference;
  74
  75       inline bool
  76       special() const
  77       { return m_red; }
  78
  79       inline const_metadata_reference
  80       get_metadata() const
  81       { return m_metadata; }
  82
  83       inline metadata_reference
  84       get_metadata()
  85       { return m_metadata; }
  86
  87 #ifdef PB_DS_BIN_SEARCH_TREE_TRACE_
  88       void
  89       trace() const
  90       {
  91         std::cout << PB_DS_V2F(m_value) <<(m_red? " <r> " : " <b> ")
  92                   << "(" << m_metadata << ")";
  93       }
  94 #endif
  95
  96       node_pointer m_p_left;
  97       node_pointer m_p_right;
  98       node_pointer m_p_parent;
  99       value_type m_value;
 100       bool m_red;
 101       metadata_type m_metadata;
 102     };
 103
 104     template<typename Value_Type, class Allocator>
 105     struct rb_tree_node_<Value_Type, null_node_metadata, Allocator>
 106     {
 107     public:
 108       typedef Value_Type value_type;
 109       typedef null_node_metadata metadata_type;
 110
 111       typedef
 112       typename Allocator::template rebind<
 113       rb_tree_node_<
 114       Value_Type,
 115       null_node_metadata,
 116       Allocator> >::other::pointer
 117       node_pointer;
 118
 119       inline bool
 120       special() const
 121       { return m_red; }
 122
 123 #ifdef PB_DS_BIN_SEARCH_TREE_TRACE_
 124       void
 125       trace() const
 126       { std::cout << PB_DS_V2F(m_value) <<(m_red? " <r> " : " <b> "); }
 127 #endif
 128
 129       node_pointer m_p_left;
 130       node_pointer m_p_right;
 131       node_pointer m_p_parent;
 132       value_type m_value;
 133       bool m_red;
 134     };
 135   } // namespace detail
 136 } // namespace __gnu_pbds
 137
 138 #endif