00001 // -*- C++ -*- 00002 00003 // Copyright (C) 2005 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 00007 // terms of the GNU General Public License as published by the 00008 // Free Software Foundation; either version 2, or (at your option) 00009 // any later version. 00010 00011 // This library is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 00016 // You should have received a copy of the GNU General Public License along 00017 // with this library; see the file COPYING. If not, write to the Free 00018 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 00019 // USA. 00020 00021 // As a special exception, you may use this file as part of a free software 00022 // library without restriction. Specifically, if other files instantiate 00023 // templates or use macros or inline functions from this file, or you compile 00024 // this file and link it with other files to produce an executable, this 00025 // file does not by itself cause the resulting executable to be covered by 00026 // the GNU General Public License. This exception does not however 00027 // invalidate any other reasons why the executable file might be covered by 00028 // the GNU General Public License. 00029 00030 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 00031 00032 // Permission to use, copy, modify, sell, and distribute this software 00033 // is hereby granted without fee, provided that the above copyright 00034 // notice appears in all copies, and that both that copyright notice and 00035 // this permission notice appear in supporting documentation. None of 00036 // the above authors, nor IBM Haifa Research Laboratories, make any 00037 // representation about the suitability of this software for any 00038 // purpose. It is provided "as is" without express or implied warranty. 00039 00046 PB_ASSOC_CLASS_T_DEC 00047 inline typename PB_ASSOC_CLASS_C_DEC::size_type 00048 PB_ASSOC_CLASS_C_DEC:: 00049 erase(const_key_reference r_key, int_to_type<true>) 00050 { 00051 PB_ASSOC_DBG_ONLY(PB_ASSOC_CLASS_C_DEC::assert_valid();) 00052 00053 PB_ASSOC_DBG_ONLY(assert_valid();) 00054 00055 return (erase_in_pos_imp(r_key, 0)); 00056 } 00057 00058 PB_ASSOC_CLASS_T_DEC 00059 inline typename PB_ASSOC_CLASS_C_DEC::size_type 00060 PB_ASSOC_CLASS_C_DEC:: 00061 erase_in_pos_imp(const_key_reference r_key, const comp_hash& /*r_pos_hash_pair*/) 00062 { 00063 const comp_hash pos_hash_pair = 00064 my_ranged_probe_fn_base::operator()(r_key); 00065 00066 for (size_type i = 0; i < m_num_e; ++i) 00067 { 00068 const size_type pos = my_ranged_probe_fn_base::operator()(r_key, pos_hash_pair.second, i); 00069 00070 entry* const p_e = m_a_entries + pos; 00071 00072 switch(p_e->m_stat) 00073 { 00074 case EMPTY_ENTRY_STATUS: 00075 { 00076 my_resize_base::notify_erase_search_end(); 00077 00078 PB_ASSOC_DBG_ONLY(my_map_debug_base::check_key_does_not_exist( 00079 r_key)); 00080 00081 return (0); 00082 } 00083 break; 00084 case VALID_ENTRY_STATUS: 00085 if (my_hash_eq_fn_base::operator()(p_e->m_value.first, p_e->m_hash, r_key, pos_hash_pair.second)) 00086 { 00087 my_resize_base::notify_erase_search_end(); 00088 00089 erase_entry(p_e); 00090 00091 do_resize_if_needed_no_throw(); 00092 00093 return (1); 00094 } 00095 break; 00096 case ERASED_ENTRY_STATUS: 00097 break; 00098 default: 00099 PB_ASSOC_DBG_ASSERT(0); 00100 }; 00101 00102 my_resize_base::notify_erase_search_collision(); 00103 } 00104 00105 my_resize_base::notify_erase_search_end(); 00106 00107 return (0); 00108 } 00109