libstdc++
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00001 // -*- C++ -*- 00002 00003 // Copyright (C) 2005, 2006, 2009, 2010, 2011 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the terms 00007 // of the GNU General Public License as published by the Free Software 00008 // Foundation; either version 3, or (at your option) any later 00009 // version. 00010 00011 // This library is distributed in the hope that it will be useful, but 00012 // WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 // General Public License for more details. 00015 00016 // Under Section 7 of GPL version 3, you are granted additional 00017 // permissions described in the GCC Runtime Library Exception, version 00018 // 3.1, as published by the Free Software Foundation. 00019 00020 // You should have received a copy of the GNU General Public License and 00021 // a copy of the GCC Runtime Library Exception along with this program; 00022 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 00023 // <http://www.gnu.org/licenses/>. 00024 00025 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 00026 00027 // Permission to use, copy, modify, sell, and distribute this software 00028 // is hereby granted without fee, provided that the above copyright 00029 // notice appears in all copies, and that both that copyright notice 00030 // and this permission notice appear in supporting documentation. None 00031 // of the above authors, nor IBM Haifa Research Laboratories, make any 00032 // representation about the suitability of this software for any 00033 // purpose. It is provided "as is" without express or implied 00034 // warranty. 00035 00036 /** 00037 * @file list_update_map_/find_fn_imps.hpp 00038 * Contains implementations of lu_map_. 00039 */ 00040 00041 PB_DS_CLASS_T_DEC 00042 inline typename PB_DS_CLASS_C_DEC::entry_pointer 00043 PB_DS_CLASS_C_DEC:: 00044 find_imp(key_const_reference r_key) const 00045 { 00046 if (m_p_l == 0) 00047 return 0; 00048 if (s_eq_fn(r_key, PB_DS_V2F(m_p_l->m_value))) 00049 { 00050 apply_update(m_p_l, s_metadata_type_indicator); 00051 PB_DS_CHECK_KEY_EXISTS(r_key) 00052 return m_p_l; 00053 } 00054 00055 entry_pointer p_l = m_p_l; 00056 while (p_l->m_p_next != 0) 00057 { 00058 entry_pointer p_next = p_l->m_p_next; 00059 if (s_eq_fn(r_key, PB_DS_V2F(p_next->m_value))) 00060 { 00061 if (apply_update(p_next, s_metadata_type_indicator)) 00062 { 00063 p_l->m_p_next = p_next->m_p_next; 00064 p_next->m_p_next = m_p_l; 00065 m_p_l = p_next; 00066 return m_p_l; 00067 } 00068 return p_next; 00069 } 00070 else 00071 p_l = p_next; 00072 } 00073 00074 PB_DS_CHECK_KEY_DOES_NOT_EXIST(r_key) 00075 return 0; 00076 } 00077 00078 PB_DS_CLASS_T_DEC 00079 template<typename Metadata> 00080 inline bool 00081 PB_DS_CLASS_C_DEC:: 00082 apply_update(entry_pointer p_l, type_to_type<Metadata>) 00083 { return s_update_policy(p_l->m_update_metadata); } 00084 00085 PB_DS_CLASS_T_DEC 00086 inline bool 00087 PB_DS_CLASS_C_DEC:: 00088 apply_update(entry_pointer, type_to_type<null_type>) 00089 { return s_update_policy(s_null_type); } 00090