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_no_store_hash_fn_imps.hpp 44169691Skan * Contains implementations of gp_ht_map_'s insert related functions, 45169691Skan * when the hash value is not stored. 46169691Skan */ 47169691Skan 48169691SkanPB_DS_CLASS_T_DEC 49169691Skaninline typename PB_DS_CLASS_C_DEC::size_type 50169691SkanPB_DS_CLASS_C_DEC:: 51169691Skanfind_ins_pos(const_key_reference r_key, false_type) 52169691Skan{ 53169691Skan size_type hash = ranged_probe_fn_base::operator()(r_key); 54169691Skan size_type i; 55169691Skan 56169691Skan /* The insertion position is initted to a non-legal value to indicate 57169691Skan * that it has not been initted yet. 58169691Skan */ 59169691Skan size_type ins_pos = m_num_e; 60169691Skan resize_base::notify_insert_search_start(); 61169691Skan for (i = 0; i < m_num_e; ++i) 62169691Skan { 63169691Skan const size_type pos = ranged_probe_fn_base::operator()(r_key, hash, i); 64169691Skan _GLIBCXX_DEBUG_ASSERT(pos < m_num_e); 65169691Skan entry* const p_e = m_entries + pos; 66169691Skan switch(p_e->m_stat) 67169691Skan { 68169691Skan case empty_entry_status: 69169691Skan { 70169691Skan resize_base::notify_insert_search_end(); 71169691Skan _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_does_not_exist(r_key);) 72169691Skan return (ins_pos == m_num_e) ? pos : ins_pos; 73169691Skan } 74169691Skan break; 75169691Skan case erased_entry_status: 76169691Skan if (ins_pos == m_num_e) 77169691Skan ins_pos = pos; 78169691Skan break; 79169691Skan case valid_entry_status: 80169691Skan if (hash_eq_fn_base::operator()(PB_DS_V2F(p_e->m_value), r_key)) 81169691Skan { 82169691Skan resize_base::notify_insert_search_end(); 83169691Skan _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_exists(r_key);) 84169691Skan return pos; 85169691Skan } 86169691Skan break; 87169691Skan default: 88169691Skan _GLIBCXX_DEBUG_ASSERT(0); 89169691Skan }; 90169691Skan 91169691Skan resize_base::notify_insert_search_collision(); 92169691Skan } 93169691Skan resize_base::notify_insert_search_end(); 94169691Skan if (ins_pos == m_num_e) 95169691Skan __throw_insert_error(); 96169691Skan return ins_pos; 97169691Skan} 98169691Skan 99169691SkanPB_DS_CLASS_T_DEC 100169691Skaninline std::pair<typename PB_DS_CLASS_C_DEC::point_iterator, bool> 101169691SkanPB_DS_CLASS_C_DEC:: 102169691Skaninsert_imp(const_reference r_val, false_type) 103169691Skan{ 104169691Skan const_key_reference r_key = PB_DS_V2F(r_val); 105169691Skan const size_type pos = find_ins_pos(r_key, 106169691Skan traits_base::m_store_extra_indicator); 107169691Skan 108169691Skan if (m_entries[pos].m_stat == valid_entry_status) 109169691Skan { 110169691Skan _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_exists(r_key);) 111169691Skan return std::make_pair(&(m_entries + pos)->m_value, false); 112169691Skan } 113169691Skan 114169691Skan _GLIBCXX_DEBUG_ONLY(map_debug_base::check_key_does_not_exist(r_key)); 115169691Skan return std::make_pair(insert_new_imp(r_val, pos), true); 116169691Skan} 117169691Skan 118