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 find_fn_imps.hpp 44 * Contains implementations of lu_map_. 45 */ 46 47PB_DS_CLASS_T_DEC 48inline typename PB_DS_CLASS_C_DEC::entry_pointer 49PB_DS_CLASS_C_DEC:: 50find_imp(const_key_reference r_key) const 51{ 52 if (m_p_l == NULL) 53 return NULL; 54 if (s_eq_fn(r_key, PB_DS_V2F(m_p_l->m_value))) 55 { 56 apply_update(m_p_l, s_metadata_type_indicator); 57 _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_exists(r_key);) 58 return m_p_l; 59 } 60 61 entry_pointer p_l = m_p_l; 62 while (p_l->m_p_next != NULL) 63 { 64 entry_pointer p_next = p_l->m_p_next; 65 if (s_eq_fn(r_key, PB_DS_V2F(p_next->m_value))) 66 { 67 if (apply_update(p_next, s_metadata_type_indicator)) 68 { 69 p_l->m_p_next = p_next->m_p_next; 70 p_next->m_p_next = m_p_l; 71 m_p_l = p_next; 72 return m_p_l; 73 } 74 return p_next; 75 } 76 else 77 p_l = p_next; 78 } 79 80 _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_does_not_exist(r_key);) 81 return NULL; 82} 83 84PB_DS_CLASS_T_DEC 85template<typename Metadata> 86inline bool 87PB_DS_CLASS_C_DEC:: 88apply_update(entry_pointer p_l, type_to_type<Metadata>) 89{ return s_update_policy(p_l->m_update_metadata); } 90 91PB_DS_CLASS_T_DEC 92inline bool 93PB_DS_CLASS_C_DEC:: 94apply_update(entry_pointer, type_to_type<null_lu_metadata>) 95{ return s_update_policy(s_null_lu_metadata); } 96 97