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 insert_store_hash_fn_imps.hpp 42 * Contains implementations of cc_ht_map_'s insert related functions, when the hash 43 * value is stored. 44 */ 45 46PB_ASSOC_CLASS_T_DEC 47inline typename PB_ASSOC_CLASS_C_DEC::data_reference 48PB_ASSOC_CLASS_C_DEC:: 49subscript_imp(const_key_reference r_key, int_to_type<true>) 50{ 51 PB_ASSOC_DBG_ONLY(assert_valid();) 52 53 comp_hash pos_hash_pair = my_ranged_hash_fn_base::operator()(r_key); 54 55 entry_pointer p_e = m_a_p_entries[pos_hash_pair.first]; 56 57 my_resize_base::notify_insert_search_start(); 58 59 while (p_e != NULL&& 60 !my_hash_eq_fn_base::operator()(p_e->m_value.first, p_e->m_hash, r_key, pos_hash_pair.second)) 61 { 62 my_resize_base::notify_insert_search_collision(); 63 64 p_e = p_e->m_p_next; 65 } 66 67 my_resize_base::notify_insert_search_end(); 68 69 if (p_e != NULL) 70 { 71 PB_ASSOC_DBG_ONLY(my_map_debug_base::check_key_exists(r_key);) 72 73 return (p_e->m_value.second); 74 } 75 76 PB_ASSOC_DBG_ONLY(my_map_debug_base::check_key_does_not_exist(r_key);) 77 78 return (insert_new_imp( 79 value_type(r_key, Data()), pos_hash_pair)->second); 80} 81 82PB_ASSOC_CLASS_T_DEC 83inline std::pair<typename PB_ASSOC_CLASS_C_DEC::find_iterator, bool> 84PB_ASSOC_CLASS_C_DEC:: 85insert_imp(const_reference r_val, int_to_type<true>) 86{ 87 PB_ASSOC_DBG_ONLY(assert_valid();) 88 89 const_key_reference r_key = PB_ASSOC_V2F(r_val); 90 91 comp_hash pos_hash_pair = my_ranged_hash_fn_base::operator()(r_key); 92 93 entry_pointer p_e = m_a_p_entries[pos_hash_pair.first]; 94 95 my_resize_base::notify_insert_search_start(); 96 97 while (p_e != NULL&& 98 !my_hash_eq_fn_base::operator()( 99 PB_ASSOC_V2F(p_e->m_value), 100 p_e->m_hash, 101 r_key, pos_hash_pair.second)) 102 { 103 my_resize_base::notify_insert_search_collision(); 104 105 p_e = p_e->m_p_next; 106 } 107 108 my_resize_base::notify_insert_search_end(); 109 110 if (p_e != NULL) 111 { 112 PB_ASSOC_DBG_ONLY(my_map_debug_base::check_key_exists(r_key);) 113 114 return ( 115 std::make_pair( 116 static_cast<pointer>(&p_e->m_value), 117 false)); 118 } 119 120 PB_ASSOC_DBG_ONLY(my_map_debug_base::check_key_does_not_exist(r_key);) 121 122 return ( 123 std::make_pair( 124 insert_new_imp(r_val, pos_hash_pair), 125 true)); 126} 127 128PB_ASSOC_CLASS_T_DEC 129inline typename PB_ASSOC_CLASS_C_DEC::pointer 130PB_ASSOC_CLASS_C_DEC:: 131insert_new_imp(const_reference r_val, comp_hash& r_pos_hash_pair) 132{ 133 // Following lines might throw an exception. 134 135 if (do_resize_if_needed()) 136 r_pos_hash_pair = my_ranged_hash_fn_base::operator()( 137 PB_ASSOC_V2F(r_val)); 138 139 entry_pointer p_e = get_entry(r_val, my_traits_base::s_no_throw_copies_indicator); 140 141 // At this point no exceptions can be thrown. 142 143 p_e->m_hash = r_pos_hash_pair.second; 144 145 p_e->m_p_next = m_a_p_entries[r_pos_hash_pair.first]; 146 147 m_a_p_entries[r_pos_hash_pair.first] = p_e; 148 149 my_resize_base::notify_inserted(++m_num_used_e); 150 151 PB_ASSOC_DBG_ONLY(my_map_debug_base::insert_new(r_key);) 152 153 PB_ASSOC_DBG_ONLY(assert_valid();) 154 155 return (static_cast<pointer>(&p_e->m_value)); 156} 157 158