libstdc++
trie_string_access_traits_imp.hpp
Go to the documentation of this file.
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 trie_policy/trie_string_access_traits_imp.hpp
38  * Contains a policy for extracting character positions from
39  * a string for a vector-based PATRICIA tree
40  */
41 
42 PB_DS_CLASS_T_DEC
43 detail::integral_constant<int, Reverse> PB_DS_CLASS_C_DEC::s_rev_ind;
44 
45 PB_DS_CLASS_T_DEC
46 inline typename PB_DS_CLASS_C_DEC::size_type
47 PB_DS_CLASS_C_DEC::
48 e_pos(e_type e)
49 {
50  return (static_cast<size_type>(e - min_e_val));
51 }
52 
53 PB_DS_CLASS_T_DEC
54 inline typename PB_DS_CLASS_C_DEC::const_iterator
56 begin(key_const_reference r_key)
57 {
58  return (begin_imp(r_key, s_rev_ind));
59 }
60 
61 PB_DS_CLASS_T_DEC
62 inline typename PB_DS_CLASS_C_DEC::const_iterator
64 end(key_const_reference r_key)
65 {
66  return (end_imp(r_key, s_rev_ind));
67 }
68 
69 PB_DS_CLASS_T_DEC
70 inline typename PB_DS_CLASS_C_DEC::const_iterator
71 PB_DS_CLASS_C_DEC::
72 begin_imp(key_const_reference r_key, detail::false_type)
73 {
74  return (r_key.begin());
75 }
76 
77 PB_DS_CLASS_T_DEC
78 inline typename PB_DS_CLASS_C_DEC::const_iterator
79 PB_DS_CLASS_C_DEC::
80 begin_imp(key_const_reference r_key, detail::true_type)
81 {
82  return (r_key.rbegin());
83 }
84 
85 PB_DS_CLASS_T_DEC
86 inline typename PB_DS_CLASS_C_DEC::const_iterator
87 PB_DS_CLASS_C_DEC::
88 end_imp(key_const_reference r_key, detail::false_type)
89 {
90  return (r_key.end());
91 }
92 
93 PB_DS_CLASS_T_DEC
94 inline typename PB_DS_CLASS_C_DEC::const_iterator
95 PB_DS_CLASS_C_DEC::
96 end_imp(key_const_reference r_key, detail::true_type)
97 {
98  return (r_key.rend());
99 }