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 erase_fn_imps.hpp 44169691Skan * Contains an implementation class for ov_tree_. 45169691Skan */ 46169691Skan 47169691SkanPB_DS_CLASS_T_DEC 48169691Skanvoid 49169691SkanPB_DS_CLASS_C_DEC:: 50169691Skanclear() 51169691Skan{ 52169691Skan _GLIBCXX_DEBUG_ONLY(assert_valid();) 53169691Skan if (m_size == 0) 54169691Skan { 55169691Skan _GLIBCXX_DEBUG_ONLY(assert_valid();) 56169691Skan return; 57169691Skan } 58169691Skan else 59169691Skan { 60169691Skan reallocate_metadata((node_update* )this, 0); 61169691Skan cond_dtor<size_type> cd(m_a_values, m_end_it, m_size); 62169691Skan } 63169691Skan 64169691Skan _GLIBCXX_DEBUG_ONLY(map_debug_base::clear();) 65169691Skan m_a_values = NULL; 66169691Skan m_size = 0; 67169691Skan m_end_it = m_a_values; 68169691Skan _GLIBCXX_DEBUG_ONLY(assert_valid();) 69169691Skan} 70169691Skan 71169691SkanPB_DS_CLASS_T_DEC 72169691Skantemplate<typename Pred> 73169691Skaninline typename PB_DS_CLASS_C_DEC::size_type 74169691SkanPB_DS_CLASS_C_DEC:: 75169691Skanerase_if(Pred pred) 76169691Skan{ 77169691Skan _GLIBCXX_DEBUG_ONLY(assert_valid();) 78169691Skan 79169691Skan#ifdef PB_DS_REGRESSION 80169691Skan typename Allocator::group_throw_prob_adjustor adjust(m_size); 81169691Skan#endif 82169691Skan 83169691Skan size_type new_size = 0; 84169691Skan size_type num_val_ersd = 0; 85169691Skan iterator source_it = m_a_values; 86169691Skan for (source_it = begin(); source_it != m_end_it; ++source_it) 87169691Skan if (!pred(*source_it)) 88169691Skan ++new_size; 89169691Skan else 90169691Skan ++num_val_ersd; 91169691Skan 92169691Skan if (new_size == 0) 93169691Skan { 94169691Skan clear(); 95169691Skan return num_val_ersd; 96169691Skan } 97169691Skan 98169691Skan value_vector a_new_values = s_value_alloc.allocate(new_size); 99169691Skan iterator target_it = a_new_values; 100169691Skan cond_dtor<size_type> cd(a_new_values, target_it, new_size); 101169691Skan _GLIBCXX_DEBUG_ONLY(map_debug_base::clear()); 102169691Skan for (source_it = begin(); source_it != m_end_it; ++source_it) 103169691Skan { 104169691Skan if (!pred(*source_it)) 105169691Skan { 106169691Skan new (const_cast<void*>(static_cast<const void* >(target_it))) 107169691Skan value_type(*source_it); 108169691Skan 109169691Skan _GLIBCXX_DEBUG_ONLY(map_debug_base::insert_new(PB_DS_V2F(*source_it))); 110169691Skan ++target_it; 111169691Skan } 112169691Skan } 113169691Skan 114169691Skan reallocate_metadata((node_update* )this, new_size); 115169691Skan cd.set_no_action(); 116169691Skan 117169691Skan { 118169691Skan cond_dtor<size_type> cd1(m_a_values, m_end_it, m_size); 119169691Skan } 120169691Skan 121169691Skan m_a_values = a_new_values; 122169691Skan m_size = new_size; 123169691Skan m_end_it = target_it; 124169691Skan update(node_begin(), (node_update* )this); 125169691Skan _GLIBCXX_DEBUG_ONLY(assert_valid();) 126169691Skan return num_val_ersd; 127169691Skan} 128169691Skan 129169691SkanPB_DS_CLASS_T_DEC 130169691Skantemplate<typename It> 131169691SkanIt 132169691SkanPB_DS_CLASS_C_DEC:: 133169691Skanerase_imp(It it) 134169691Skan{ 135169691Skan _GLIBCXX_DEBUG_ONLY(assert_valid();) 136169691Skan if (it == end()) 137169691Skan return end(); 138169691Skan 139169691Skan _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::check_key_exists(PB_DS_V2F(*it));) 140169691Skan 141169691Skan#ifdef PB_DS_REGRESSION 142169691Skan typename Allocator::group_throw_prob_adjustor adjust(m_size); 143169691Skan#endif 144169691Skan 145169691Skan _GLIBCXX_DEBUG_ASSERT(m_size > 0); 146169691Skan value_vector a_values = s_value_alloc.allocate(m_size - 1); 147169691Skan iterator source_it = begin(); 148169691Skan iterator source_end_it = end(); 149169691Skan iterator target_it = a_values; 150169691Skan iterator ret_it = end(); 151169691Skan 152169691Skan cond_dtor<size_type> cd(a_values, target_it, m_size - 1); 153169691Skan 154169691Skan _GLIBCXX_DEBUG_ONLY(size_type cnt = 0;) 155169691Skan 156169691Skan while (source_it != source_end_it) 157169691Skan { 158169691Skan if (source_it != it) 159169691Skan { 160169691Skan _GLIBCXX_DEBUG_ONLY(++cnt;) 161169691Skan _GLIBCXX_DEBUG_ASSERT(cnt != m_size); 162169691Skan new (const_cast<void* >(static_cast<const void* >(target_it))) 163169691Skan value_type(*source_it); 164169691Skan 165169691Skan ++target_it; 166169691Skan } 167169691Skan else 168169691Skan ret_it = target_it; 169169691Skan ++source_it; 170169691Skan } 171169691Skan 172169691Skan _GLIBCXX_DEBUG_ASSERT(m_size > 0); 173169691Skan reallocate_metadata((node_update* )this, m_size - 1); 174169691Skan cd.set_no_action(); 175169691Skan _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::erase_existing(PB_DS_V2F(*it));) 176169691Skan { 177169691Skan cond_dtor<size_type> cd1(m_a_values, m_end_it, m_size); 178169691Skan } 179169691Skan 180169691Skan m_a_values = a_values; 181169691Skan --m_size; 182169691Skan m_end_it = m_a_values + m_size; 183169691Skan update(node_begin(), (node_update* )this); 184169691Skan _GLIBCXX_DEBUG_ONLY(assert_valid();) 185169691Skan return It(ret_it); 186169691Skan} 187169691Skan 188169691SkanPB_DS_CLASS_T_DEC 189169691Skanbool 190169691SkanPB_DS_CLASS_C_DEC:: 191169691Skanerase(const_key_reference r_key) 192169691Skan{ 193169691Skan point_iterator it = find(r_key); 194169691Skan if (it == end()) 195169691Skan return false; 196169691Skan erase(it); 197169691Skan return true; 198169691Skan} 199169691Skan 200