1 // -*- C++ -*- 2 3 // Copyright (C) 2005-2013 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 55 PB_DS_CLASS_C_DEC:: 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 63 PB_DS_CLASS_C_DEC:: 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 } 100
