traits.hpp revision 302408 
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
52namespace pb_ds
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      pb_ds::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      pb_ds::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 pb_ds
187
188#endif // #ifndef PB_DS_OV_TREE_NODE_AND_IT_TRAITS_HPP
189
190