1// -*- C++ -*- 2 3// Copyright (C) 2005 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 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 2, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING. If not, write to the Free 18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19// USA. 20 21// As a special exception, you may use this file as part of a free software 22// library without restriction. Specifically, if other files instantiate 23// templates or use macros or inline functions from this file, or you compile 24// this file and link it with other files to produce an executable, this 25// file does not by itself cause the resulting executable to be covered by 26// the GNU General Public License. This exception does not however 27// invalidate any other reasons why the executable file might be covered by 28// the GNU General Public License. 29 30// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 31 32// Permission to use, copy, modify, sell, and distribute this software 33// is hereby granted without fee, provided that the above copyright 34// notice appears in all copies, and that both that copyright notice and 35// this permission notice appear in supporting documentation. None of 36// the above authors, nor IBM Haifa Research Laboratories, make any 37// representation about the suitability of this software for any 38// purpose. It is provided "as is" without express or implied warranty. 39 40/** 41 * @file erase_no_store_hash_fn_imps.hpp 42 * Contains implementations of gp_ht_map_'s erase related functions, when the hash 43 * value is not stored. 44 */ 45 46PB_ASSOC_CLASS_T_DEC 47inline typename PB_ASSOC_CLASS_C_DEC::size_type 48PB_ASSOC_CLASS_C_DEC:: 49erase(const_key_reference r_key, int_to_type<false>) 50{ 51 PB_ASSOC_DBG_ONLY(PB_ASSOC_CLASS_C_DEC::assert_valid();) 52 53 size_type hash = my_ranged_probe_fn_base::operator()(r_key); 54 55 size_type i; 56 57 my_resize_base::notify_erase_search_start(); 58 59 for (i = 0; i < m_num_e; ++i) 60 { 61 const size_type pos = 62 my_ranged_probe_fn_base::operator()(r_key, hash, i); 63 64 entry* const p_e = m_a_entries + pos; 65 66 switch(p_e->m_stat) 67 { 68 case EMPTY_ENTRY_STATUS: 69 { 70 my_resize_base::notify_erase_search_end(); 71 72 PB_ASSOC_DBG_ONLY(my_map_debug_base::check_key_does_not_exist( 73 r_key)); 74 75 return (0); 76 } 77 break; 78 case VALID_ENTRY_STATUS: 79 if (my_hash_eq_fn_base::operator()( 80 PB_ASSOC_V2F(p_e->m_value))) 81 { 82 my_resize_base::notify_erase_search_end(); 83 84 erase_entry(p_e); 85 86 do_resize_if_needed_no_throw(); 87 88 return (1); 89 } 90 break; 91 case ERASED_ENTRY_STATUS: 92 break; 93 default: 94 PB_ASSOC_DBG_ASSERT(0); 95 }; 96 97 my_resize_base::notify_erase_search_collision(); 98 } 99 100 my_resize_base::notify_erase_search_end(); 101 102 return (0); 103} 104 105