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 string_trie_e_access_traits_imp.hpp 38 * Contains a policy for extracting character positions from 39 * a string for a vector-based PATRICIA tree 40 */ 41 42PB_DS_CLASS_T_DEC 43detail::integral_constant<int, Reverse> PB_DS_CLASS_C_DEC::s_rev_ind; 44 45PB_DS_CLASS_T_DEC 46inline typename PB_DS_CLASS_C_DEC::size_type 47PB_DS_CLASS_C_DEC:: 48e_pos(e_type e) 49{ 50 return (static_cast<size_type>(e - min_e_val)); 51} 52 53PB_DS_CLASS_T_DEC 54inline typename PB_DS_CLASS_C_DEC::const_iterator 55PB_DS_CLASS_C_DEC:: 56begin(const_key_reference r_key) 57{ 58 return (begin_imp(r_key, s_rev_ind)); 59} 60 61PB_DS_CLASS_T_DEC 62inline typename PB_DS_CLASS_C_DEC::const_iterator 63PB_DS_CLASS_C_DEC:: 64end(const_key_reference r_key) 65{ 66 return (end_imp(r_key, s_rev_ind)); 67} 68 69PB_DS_CLASS_T_DEC 70inline typename PB_DS_CLASS_C_DEC::const_iterator 71PB_DS_CLASS_C_DEC:: 72begin_imp(const_key_reference r_key, detail::false_type) 73{ 74 return (r_key.begin()); 75} 76 77PB_DS_CLASS_T_DEC 78inline typename PB_DS_CLASS_C_DEC::const_iterator 79PB_DS_CLASS_C_DEC:: 80begin_imp(const_key_reference r_key, detail::true_type) 81{ 82 return (r_key.rbegin()); 83} 84 85PB_DS_CLASS_T_DEC 86inline typename PB_DS_CLASS_C_DEC::const_iterator 87PB_DS_CLASS_C_DEC:: 88end_imp(const_key_reference r_key, detail::false_type) 89{ 90 return (r_key.end()); 91} 92 93PB_DS_CLASS_T_DEC 94inline typename PB_DS_CLASS_C_DEC::const_iterator 95PB_DS_CLASS_C_DEC:: 96end_imp(const_key_reference r_key, detail::true_type) 97{ 98 return (r_key.rend()); 99} 100