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
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25 // produce an executable, this file does not by itself cause the
26 // resulting executable to be covered by the GNU General Public
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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
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40 // warranty.
41 
42 /**
43  * @file traits.hpp
44  * Contains an implementation for bin_search_tree_.
45  */
46 
47 #ifndef PB_DS_BIN_SEARCH_TREE_NODE_AND_IT_TRAITS_HPP
48 #define PB_DS_BIN_SEARCH_TREE_NODE_AND_IT_TRAITS_HPP
49 
50 #include <ext/pb_ds/detail/bin_search_tree_/point_iterators.hpp>
51 #include <ext/pb_ds/detail/bin_search_tree_/node_iterators.hpp>
52 
53 namespace pb_ds
54 {
55   namespace detail
56   {
57 
58     template<typename Key,
59 	     typename Mapped,
60 	     class Cmp_Fn,
61 	     template<typename Const_Node_Iterator,
62 		      class Node_Iterator,
63 		      class Cmp_Fn,
64 		      class Allocator>
65     class Node_Update,
66 	     class Node,
67 	     class Allocator>
68     struct bin_search_tree_traits
69     {
70     private:
71       typedef
72       types_traits<
73       Key,
74       Mapped,
75       Allocator,
76       false>
77       type_traits;
78 
79     public:
80       typedef Node node;
81 
82       typedef
83       bin_search_tree_const_it_<
84 	typename Allocator::template rebind<
85 	node>::other::pointer,
86 	typename type_traits::value_type,
87 	typename type_traits::pointer,
88 	typename type_traits::const_pointer,
89 	typename type_traits::reference,
90 	typename type_traits::const_reference,
91 	true,
92 	Allocator>
93       const_point_iterator;
94 
95       typedef
96       bin_search_tree_it_<
97 	typename Allocator::template rebind<
98 	node>::other::pointer,
99 	typename type_traits::value_type,
100 	typename type_traits::pointer,
101 	typename type_traits::const_pointer,
102 	typename type_traits::reference,
103 	typename type_traits::const_reference,
104 	true,
105 	Allocator>
106       point_iterator;
107 
108       typedef
109       bin_search_tree_const_it_<
110 	typename Allocator::template rebind<
111 	node>::other::pointer,
112 	typename type_traits::value_type,
113 	typename type_traits::pointer,
114 	typename type_traits::const_pointer,
115 	typename type_traits::reference,
116 	typename type_traits::const_reference,
117 	false,
118 	Allocator>
119       const_reverse_iterator;
120 
121       typedef
122       bin_search_tree_it_<
123 	typename Allocator::template rebind<
124 	node>::other::pointer,
125 	typename type_traits::value_type,
126 	typename type_traits::pointer,
127 	typename type_traits::const_pointer,
128 	typename type_traits::reference,
129 	typename type_traits::const_reference,
130 	false,
131 	Allocator>
132       reverse_iterator;
133 
134       typedef
135       bin_search_tree_const_node_it_<
136 	Node,
137 	const_point_iterator,
138 	point_iterator,
139 	Allocator>
140       const_node_iterator;
141 
142       typedef
143       bin_search_tree_node_it_<
144 	Node,
145 	const_point_iterator,
146 	point_iterator,
147 	Allocator>
148       node_iterator;
149 
150       typedef
151       Node_Update<
152 	const_node_iterator,
153 	node_iterator,
154 	Cmp_Fn,
155 	Allocator>
156       node_update;
157 
158       typedef
159       pb_ds::null_tree_node_update<
160 	const_node_iterator,
161 	node_iterator,
162 	Cmp_Fn,
163 	Allocator>*
164       null_node_update_pointer;
165     };
166 
167     template<typename Key,
168 	     class Cmp_Fn,
169 	     template<typename Const_Node_Iterator,
170 		      class Node_Iterator,
171 		      class Cmp_Fn,
172 		      class Allocator>
173     class Node_Update,
174 	     class Node,
175 	     class Allocator>
176     struct bin_search_tree_traits<
177       Key,
178       null_mapped_type,
179       Cmp_Fn,
180       Node_Update,
181       Node,
182       Allocator>
183     {
184     private:
185       typedef
186       types_traits<
187       Key,
188       null_mapped_type,
189       Allocator,
190       false>
191       type_traits;
192 
193     public:
194       typedef Node node;
195 
196       typedef
197       bin_search_tree_const_it_<
198 	typename Allocator::template rebind<
199 	node>::other::pointer,
200 	typename type_traits::value_type,
201 	typename type_traits::pointer,
202 	typename type_traits::const_pointer,
203 	typename type_traits::reference,
204 	typename type_traits::const_reference,
205 	true,
206 	Allocator>
207       const_point_iterator;
208 
209       typedef const_point_iterator point_iterator;
210 
211       typedef
212       bin_search_tree_const_it_<
213 	typename Allocator::template rebind<
214 	node>::other::pointer,
215 	typename type_traits::value_type,
216 	typename type_traits::pointer,
217 	typename type_traits::const_pointer,
218 	typename type_traits::reference,
219 	typename type_traits::const_reference,
220 	false,
221 	Allocator>
222       const_reverse_iterator;
223 
224       typedef const_reverse_iterator reverse_iterator;
225 
226       typedef
227       bin_search_tree_const_node_it_<
228 	Node,
229 	const_point_iterator,
230 	point_iterator,
231 	Allocator>
232       const_node_iterator;
233 
234       typedef const_node_iterator node_iterator;
235 
236       typedef
237       Node_Update<
238 	const_node_iterator,
239 	node_iterator,
240 	Cmp_Fn,
241 	Allocator>
242       node_update;
243 
244       typedef
245       pb_ds::null_tree_node_update<
246 	const_node_iterator,
247 	node_iterator,
248 	Cmp_Fn,
249 	Allocator>*
250       null_node_update_pointer;
251     };
252 
253   } // namespace detail
254 } // namespace pb_ds
255 
256 #endif // #ifndef PB_DS_BIN_SEARCH_TREE_NODE_AND_IT_TRAITS_HPP
257