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1 | // -*- C++ -*- |
2 | ||
8fc81078 | 3 | // Copyright (C) 2005, 2006, 2009, 2010 Free Software Foundation, Inc. |
4569a895 AT |
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 | |
748086b7 | 8 | // Foundation; either version 3, or (at your option) any later |
4569a895 AT |
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 | ||
748086b7 JJ |
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. | |
4569a895 | 19 | |
748086b7 JJ |
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/>. | |
4569a895 AT |
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 | /** | |
a345e45d | 37 | * @file trie_policy/sample_trie_access_traits.hpp |
4569a895 AT |
38 | * Contains a sample probe policy. |
39 | */ | |
40 | ||
41 | #ifndef PB_DS_SAMPLE_TRIE_E_ACCESS_TRAITS_HPP | |
42 | #define PB_DS_SAMPLE_TRIE_E_ACCESS_TRAITS_HPP | |
43 | ||
a345e45d | 44 | namespace __gnu_pbds |
4569a895 | 45 | { |
a345e45d BK |
46 | /// A sample trie element access traits. |
47 | struct sample_trie_access_traits | |
48 | { | |
49 | typedef std::size_t size_type; | |
50 | typedef std::string key_type; | |
51 | ||
52 | typedef typename _Alloc::template rebind<key_type> __rebind_k; | |
53 | typedef typename __rebind_k::other::const_reference key_const_reference; | |
54 | typedef std::string::const_iterator const_iterator; | |
55 | ||
30a96b3b | 56 | /// Element type. |
a345e45d BK |
57 | typedef char e_type; |
58 | ||
59 | enum | |
60 | { | |
61 | max_size = 4 | |
62 | }; | |
63 | ||
30a96b3b | 64 | /// Returns a const_iterator to the first element of r_key. |
a345e45d BK |
65 | inline static const_iterator |
66 | begin(key_const_reference); | |
67 | ||
30a96b3b | 68 | /// Returns a const_iterator to the after-last element of r_key. |
a345e45d BK |
69 | inline static const_iterator |
70 | end(key_const_reference); | |
71 | ||
30a96b3b | 72 | /// Maps an element to a position. |
a345e45d BK |
73 | inline static size_type |
74 | e_pos(e_type); | |
75 | }; | |
76 | } | |
4569a895 | 77 | #endif // #ifndef PB_DS_SAMPLE_TRIE_E_ACCESS_TRAITS_HPP |