libstdc++-v3/include/ext/pb_ds/detail/ov_tree_map_/traits.hpp

   1 // -*- C++ -*-
   2
   3 // Copyright (C) 2005, 2006 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 2, 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 // 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.
  20
  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
  28 // reasons why the executable file might be covered by the GNU General
  29 // Public License.
  30
  31 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL.
  32
  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
  39 // purpose. It is provided "as is" without express or implied
  40 // warranty.
  41
  42 /**
  43  * @file traits.hpp
  44  * Contains an implementation class for ov_tree_.
  45  */
  46
  47 #ifndef PB_DS_OV_TREE_NODE_AND_IT_TRAITS_HPP
  48 #define PB_DS_OV_TREE_NODE_AND_IT_TRAITS_HPP
  49
  50 #include <ext/pb_ds/detail/ov_tree_map_/node_iterators.hpp>
  51
  52 namespace __gnu_pbds
  53 {
  54   namespace detail
  55   {
  56
  57     template<typename Key,
  58              typename Mapped,
  59              class Cmp_Fn,
  60              template<typename Const_Node_Iterator,
  61                       class Node_Iterator,
  62                       class Cmp_Fn_,
  63                       class Allocator_>
  64     class Node_Update,
  65              class Allocator>
  66     struct tree_traits<
  67       Key,
  68       Mapped,
  69       Cmp_Fn,
  70       Node_Update,
  71       ov_tree_tag,
  72       Allocator>
  73     {
  74     private:
  75       typedef
  76       typename types_traits<
  77       Key,
  78       Mapped,
  79       Allocator,
  80       false>::value_type
  81       value_type;
  82
  83     public:
  84       typedef
  85       typename tree_node_metadata_selector<
  86       Key,
  87       Mapped,
  88       Cmp_Fn,
  89       Node_Update,
  90       Allocator>::type
  91       metadata_type;
  92
  93       typedef
  94       ov_tree_node_const_it_<
  95         value_type,
  96         metadata_type,
  97         Allocator>
  98       const_node_iterator;
  99
 100       typedef
 101       ov_tree_node_it_<
 102         value_type,
 103         metadata_type,
 104         Allocator>
 105       node_iterator;
 106
 107       typedef
 108       Node_Update<
 109         const_node_iterator,
 110         node_iterator,
 111         Cmp_Fn,
 112         Allocator>
 113       node_update;
 114
 115       typedef
 116       __gnu_pbds::null_tree_node_update<
 117         const_node_iterator,
 118         node_iterator,
 119         Cmp_Fn,
 120         Allocator>*
 121       null_node_update_pointer;
 122     };
 123
 124     template<typename Key,
 125              class Cmp_Fn,
 126              template<typename Const_Node_Iterator,
 127                       class Node_Iterator,
 128                       class Cmp_Fn_,
 129                       class Allocator_>
 130     class Node_Update,
 131              class Allocator>
 132     struct tree_traits<
 133       Key,
 134       null_mapped_type,
 135       Cmp_Fn,
 136       Node_Update,
 137       ov_tree_tag,
 138       Allocator>
 139     {
 140     private:
 141       typedef
 142       typename types_traits<
 143       Key,
 144       null_mapped_type,
 145       Allocator,
 146       false>::value_type
 147       value_type;
 148
 149     public:
 150       typedef
 151       typename tree_node_metadata_selector<
 152       Key,
 153       null_mapped_type,
 154       Cmp_Fn,
 155       Node_Update,
 156       Allocator>::type
 157       metadata_type;
 158
 159       typedef
 160       ov_tree_node_const_it_<
 161         value_type,
 162         metadata_type,
 163         Allocator>
 164       const_node_iterator;
 165
 166       typedef const_node_iterator node_iterator;
 167
 168       typedef
 169       Node_Update<
 170         const_node_iterator,
 171         const_node_iterator,
 172         Cmp_Fn,
 173         Allocator>
 174       node_update;
 175
 176       typedef
 177       __gnu_pbds::null_tree_node_update<
 178         const_node_iterator,
 179         node_iterator,
 180         Cmp_Fn,
 181         Allocator>*
 182       null_node_update_pointer;
 183     };
 184
 185   } // namespace detail
 186 } // namespace __gnu_pbds
 187
 188 #endif // #ifndef PB_DS_OV_TREE_NODE_AND_IT_TRAITS_HPP
 189