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 string_trie_e_access_traits_imp.hpp
44 * Contains a policy for extracting character positions from
45 *    a string for a vector-based PATRICIA tree
46 */
47
48PB_DS_CLASS_T_DEC
49detail::integral_constant<int, Reverse> PB_DS_CLASS_C_DEC::s_rev_ind;
50
51PB_DS_CLASS_T_DEC
52inline typename PB_DS_CLASS_C_DEC::size_type
53PB_DS_CLASS_C_DEC::
54e_pos(e_type e)
55{
56  return (static_cast<size_type>(e - min_e_val));
57}
58
59PB_DS_CLASS_T_DEC
60inline typename PB_DS_CLASS_C_DEC::const_iterator
61PB_DS_CLASS_C_DEC::
62begin(const_key_reference r_key)
63{
64  return (begin_imp(r_key, s_rev_ind));
65}
66
67PB_DS_CLASS_T_DEC
68inline typename PB_DS_CLASS_C_DEC::const_iterator
69PB_DS_CLASS_C_DEC::
70end(const_key_reference r_key)
71{
72  return (end_imp(r_key, s_rev_ind));
73}
74
75PB_DS_CLASS_T_DEC
76inline typename PB_DS_CLASS_C_DEC::const_iterator
77PB_DS_CLASS_C_DEC::
78begin_imp(const_key_reference r_key, detail::false_type)
79{
80  return (r_key.begin());
81}
82
83PB_DS_CLASS_T_DEC
84inline typename PB_DS_CLASS_C_DEC::const_iterator
85PB_DS_CLASS_C_DEC::
86begin_imp(const_key_reference r_key, detail::true_type)
87{
88  return (r_key.rbegin());
89}
90
91PB_DS_CLASS_T_DEC
92inline typename PB_DS_CLASS_C_DEC::const_iterator
93PB_DS_CLASS_C_DEC::
94end_imp(const_key_reference r_key, detail::false_type)
95{
96  return (r_key.end());
97}
98
99PB_DS_CLASS_T_DEC
100inline typename PB_DS_CLASS_C_DEC::const_iterator
101PB_DS_CLASS_C_DEC::
102end_imp(const_key_reference r_key, detail::true_type)
103{
104  return (r_key.rend());
105}
106