libstdc++: trie_string_access_traits_imp.hpp Source File

libstdc++

trie_string_access_traits_imp.hpp
Go to the documentation of this file.
1// -*- C++ -*-
2
3// Copyright (C) 2005-2026 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#ifdef PB_DS_CLASS_C_DEC
43
44PB_DS_CLASS_T_DEC
45detail::integral_constant<int, Reverse> PB_DS_CLASS_C_DEC::s_rev_ind;
46
47PB_DS_CLASS_T_DEC
48inline typename PB_DS_CLASS_C_DEC::size_type
49PB_DS_CLASS_C_DEC::
50e_pos(e_type e)
51{
52 return (static_cast<size_type>(e - min_e_val));
53}
54
55PB_DS_CLASS_T_DEC
56inline typename PB_DS_CLASS_C_DEC::const_iterator
57PB_DS_CLASS_C_DEC::
58begin(key_const_reference r_key)
59{
60 return (begin_imp(r_key, s_rev_ind));
61}
62
63PB_DS_CLASS_T_DEC
64inline typename PB_DS_CLASS_C_DEC::const_iterator
65PB_DS_CLASS_C_DEC::
66end(key_const_reference r_key)
67{
68 return (end_imp(r_key, s_rev_ind));
69}
70
71PB_DS_CLASS_T_DEC
72inline typename PB_DS_CLASS_C_DEC::const_iterator
73PB_DS_CLASS_C_DEC::
74begin_imp(key_const_reference r_key, detail::false_type)
75{
76 return (r_key.begin());
77}
78
79PB_DS_CLASS_T_DEC
80inline typename PB_DS_CLASS_C_DEC::const_iterator
81PB_DS_CLASS_C_DEC::
82begin_imp(key_const_reference r_key, detail::true_type)
83{
84 return (r_key.rbegin());
85}
86
87PB_DS_CLASS_T_DEC
88inline typename PB_DS_CLASS_C_DEC::const_iterator
89PB_DS_CLASS_C_DEC::
90end_imp(key_const_reference r_key, detail::false_type)
91{
92 return (r_key.end());
93}
94
95PB_DS_CLASS_T_DEC
96inline typename PB_DS_CLASS_C_DEC::const_iterator
97PB_DS_CLASS_C_DEC::
98end_imp(key_const_reference r_key, detail::true_type)
99{
100 return (r_key.rend());
101}
102#endif