1169691Skan// -*- C++ -*- 2169691Skan 3169691Skan// Copyright (C) 2005, 2006 Free Software Foundation, Inc. 4169691Skan// 5169691Skan// This file is part of the GNU ISO C++ Library. This library is free 6169691Skan// software; you can redistribute it and/or modify it under the terms 7169691Skan// of the GNU General Public License as published by the Free Software 8169691Skan// Foundation; either version 2, or (at your option) any later 9169691Skan// version. 10169691Skan 11169691Skan// This library is distributed in the hope that it will be useful, but 12169691Skan// WITHOUT ANY WARRANTY; without even the implied warranty of 13169691Skan// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14169691Skan// General Public License for more details. 15169691Skan 16169691Skan// You should have received a copy of the GNU General Public License 17169691Skan// along with this library; see the file COPYING. If not, write to 18169691Skan// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, 19169691Skan// MA 02111-1307, USA. 20169691Skan 21169691Skan// As a special exception, you may use this file as part of a free 22169691Skan// software library without restriction. Specifically, if other files 23169691Skan// instantiate templates or use macros or inline functions from this 24169691Skan// file, or you compile this file and link it with other files to 25169691Skan// produce an executable, this file does not by itself cause the 26169691Skan// resulting executable to be covered by the GNU General Public 27169691Skan// License. This exception does not however invalidate any other 28169691Skan// reasons why the executable file might be covered by the GNU General 29169691Skan// Public License. 30169691Skan 31169691Skan// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 32169691Skan 33169691Skan// Permission to use, copy, modify, sell, and distribute this software 34169691Skan// is hereby granted without fee, provided that the above copyright 35169691Skan// notice appears in all copies, and that both that copyright notice 36169691Skan// and this permission notice appear in supporting documentation. None 37169691Skan// of the above authors, nor IBM Haifa Research Laboratories, make any 38169691Skan// representation about the suitability of this software for any 39169691Skan// purpose. It is provided "as is" without express or implied 40169691Skan// warranty. 41169691Skan 42169691Skan/** 43169691Skan * @file insert_store_hash_fn_imps.hpp 44169691Skan * Contains implementations of gp_ht_map_'s find related functions, 45169691Skan * when the hash value is stored. 46169691Skan */ 47169691Skan 48169691SkanPB_DS_CLASS_T_DEC 49169691Skaninline typename PB_DS_CLASS_C_DEC::comp_hash 50169691SkanPB_DS_CLASS_C_DEC:: 51169691Skanfind_ins_pos(const_key_reference r_key, true_type) 52169691Skan{ 53169691Skan _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 54169691Skan comp_hash pos_hash_pair = ranged_probe_fn_base::operator()(r_key); 55169691Skan 56169691Skan size_type i; 57169691Skan 58169691Skan /* The insertion position is initted to a non-legal value to indicate 59169691Skan * that it has not been initted yet. 60169691Skan */ 61169691Skan size_type ins_pos = m_num_e; 62169691Skan resize_base::notify_insert_search_start(); 63169691Skan for (i = 0; i < m_num_e; ++i) 64169691Skan { 65169691Skan const size_type pos = ranged_probe_fn_base::operator()(r_key, pos_hash_pair.second, i); 66169691Skan 67169691Skan entry* const p_e = m_entries + pos; 68169691Skan switch(p_e->m_stat) 69169691Skan { 70169691Skan case empty_entry_status: 71169691Skan { 72169691Skan resize_base::notify_insert_search_end(); 73169691Skan _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_does_not_exist(r_key);) 74169691Skan 75169691Skan return ((ins_pos == m_num_e) ? 76169691Skan std::make_pair(pos, pos_hash_pair.second) : 77169691Skan std::make_pair(ins_pos, pos_hash_pair.second)); 78169691Skan } 79169691Skan break; 80169691Skan case erased_entry_status: 81169691Skan if (ins_pos == m_num_e) 82169691Skan ins_pos = pos; 83169691Skan break; 84169691Skan case valid_entry_status: 85169691Skan if (hash_eq_fn_base::operator()(PB_DS_V2F(p_e->m_value), p_e->m_hash, 86169691Skan r_key, pos_hash_pair.second)) 87169691Skan { 88169691Skan resize_base::notify_insert_search_end(); 89169691Skan _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_exists(r_key);) 90169691Skan return std::make_pair(pos, pos_hash_pair.second); 91169691Skan } 92169691Skan break; 93169691Skan default: 94169691Skan _GLIBCXX_DEBUG_ASSERT(0); 95169691Skan }; 96169691Skan resize_base::notify_insert_search_collision(); 97169691Skan } 98169691Skan resize_base::notify_insert_search_end(); 99169691Skan if (ins_pos == m_num_e) 100169691Skan __throw_insert_error(); 101169691Skan return std::make_pair(ins_pos, pos_hash_pair.second); 102169691Skan} 103169691Skan 104169691SkanPB_DS_CLASS_T_DEC 105169691Skaninline std::pair<typename PB_DS_CLASS_C_DEC::point_iterator, bool> 106169691SkanPB_DS_CLASS_C_DEC:: 107169691Skaninsert_imp(const_reference r_val, true_type) 108169691Skan{ 109169691Skan const_key_reference r_key = PB_DS_V2F(r_val); 110169691Skan comp_hash pos_hash_pair = find_ins_pos(r_key, 111169691Skan traits_base::m_store_extra_indicator); 112169691Skan 113169691Skan _GLIBCXX_DEBUG_ASSERT(pos_hash_pair.first < m_num_e); 114169691Skan entry_pointer p_e =& m_entries[pos_hash_pair.first]; 115169691Skan if (p_e->m_stat == valid_entry_status) 116169691Skan { 117169691Skan _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_exists(r_key)); 118169691Skan return std::make_pair(&p_e->m_value, false); 119169691Skan } 120169691Skan 121169691Skan _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_does_not_exist(r_key)); 122169691Skan return std::make_pair(insert_new_imp(r_val, pos_hash_pair), true); 123169691Skan} 124169691Skan 125