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