1// -*- C++ -*- 2 3// Copyright (C) 2005, 2006, 2009, 2010 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 find_fn_imps.hpp 38 * Contains implementations of lu_map_. 39 */ 40 41PB_DS_CLASS_T_DEC 42inline typename PB_DS_CLASS_C_DEC::entry_pointer 43PB_DS_CLASS_C_DEC:: 44find_imp(const_key_reference r_key) const 45{ 46 if (m_p_l == 0) 47 return 0; 48 if (s_eq_fn(r_key, PB_DS_V2F(m_p_l->m_value))) 49 { 50 apply_update(m_p_l, s_metadata_type_indicator); 51 _GLIBCXX_DEBUG_ONLY(debug_base::check_key_exists(r_key);) 52 return m_p_l; 53 } 54 55 entry_pointer p_l = m_p_l; 56 while (p_l->m_p_next != 0) 57 { 58 entry_pointer p_next = p_l->m_p_next; 59 if (s_eq_fn(r_key, PB_DS_V2F(p_next->m_value))) 60 { 61 if (apply_update(p_next, s_metadata_type_indicator)) 62 { 63 p_l->m_p_next = p_next->m_p_next; 64 p_next->m_p_next = m_p_l; 65 m_p_l = p_next; 66 return m_p_l; 67 } 68 return p_next; 69 } 70 else 71 p_l = p_next; 72 } 73 74 _GLIBCXX_DEBUG_ONLY(debug_base::check_key_does_not_exist(r_key);) 75 return 0; 76} 77 78PB_DS_CLASS_T_DEC 79template<typename Metadata> 80inline bool 81PB_DS_CLASS_C_DEC:: 82apply_update(entry_pointer p_l, type_to_type<Metadata>) 83{ return s_update_policy(p_l->m_update_metadata); } 84 85PB_DS_CLASS_T_DEC 86inline bool 87PB_DS_CLASS_C_DEC:: 88apply_update(entry_pointer, type_to_type<null_lu_metadata>) 89{ return s_update_policy(s_null_lu_metadata); } 90 91