1// -*- C++ -*- 2 3// Copyright (C) 2005, 2006, 2009 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 terms 7// of the GNU General Public License as published by the Free Software 8// Foundation; either version 3, or (at your option) any later 9// version. 10 11// This library is distributed in the hope that it will be useful, but 12// WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14// General Public License for more details. 15 16// Under Section 7 of GPL version 3, you are granted additional 17// permissions described in the GCC Runtime Library Exception, version 18// 3.1, as published by the Free Software Foundation. 19 20// You should have received a copy of the GNU General Public License and 21// a copy of the GCC Runtime Library Exception along with this program; 22// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23// <http://www.gnu.org/licenses/>. 24 25// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 26 27// Permission to use, copy, modify, sell, and distribute this software 28// is hereby granted without fee, provided that the above copyright 29// notice appears in all copies, and that both that copyright notice 30// and this permission notice appear in supporting documentation. None 31// of the above authors, nor IBM Haifa Research Laboratories, make any 32// representation about the suitability of this software for any 33// purpose. It is provided "as is" without express or implied 34// warranty. 35 36/** 37 * @file erase_fn_imps.hpp 38 * Contains implementations of lu_map_. 39 */ 40 41PB_DS_CLASS_T_DEC 42inline bool 43PB_DS_CLASS_C_DEC:: 44erase(const_key_reference r_key) 45{ 46 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 47 if (m_p_l == NULL) 48 return false; 49 50 if (s_eq_fn(r_key, PB_DS_V2F(m_p_l->m_value))) 51 { 52 entry_pointer p_next = m_p_l->m_p_next; 53 actual_erase_entry(m_p_l); 54 m_p_l = p_next; 55 return true; 56 } 57 58 entry_pointer p_l = m_p_l; 59 while (p_l->m_p_next != NULL) 60 if (s_eq_fn(r_key, PB_DS_V2F(p_l->m_p_next->m_value))) 61 { 62 erase_next(p_l); 63 return true; 64 } 65 else 66 p_l = p_l->m_p_next; 67 return false; 68} 69 70PB_DS_CLASS_T_DEC 71void 72PB_DS_CLASS_C_DEC:: 73clear() 74{ 75 deallocate_all(); 76} 77 78PB_DS_CLASS_T_DEC 79template<typename Pred> 80inline typename PB_DS_CLASS_C_DEC::size_type 81PB_DS_CLASS_C_DEC:: 82erase_if(Pred pred) 83{ 84 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 85 size_type num_ersd = 0; 86 while (m_p_l != NULL && pred(m_p_l->m_value)) 87 { 88 entry_pointer p_next = m_p_l->m_p_next; 89 ++num_ersd; 90 actual_erase_entry(m_p_l); 91 m_p_l = p_next; 92 } 93 94 if (m_p_l == NULL) 95 return num_ersd; 96 97 entry_pointer p_l = m_p_l; 98 while (p_l->m_p_next != NULL) 99 { 100 if (pred(p_l->m_p_next->m_value)) 101 { 102 ++num_ersd; 103 erase_next(p_l); 104 } 105 else 106 p_l = p_l->m_p_next; 107 } 108 109 _GLIBCXX_DEBUG_ONLY(PB_DS_CLASS_C_DEC::assert_valid();) 110 return num_ersd; 111} 112 113PB_DS_CLASS_T_DEC 114void 115PB_DS_CLASS_C_DEC:: 116erase_next(entry_pointer p_l) 117{ 118 _GLIBCXX_DEBUG_ASSERT(p_l != NULL); 119 _GLIBCXX_DEBUG_ASSERT(p_l != m_p_l); 120 _GLIBCXX_DEBUG_ASSERT(p_l->m_p_next != NULL); 121 entry_pointer p_next_l = p_l->m_p_next->m_p_next; 122 actual_erase_entry(p_l->m_p_next); 123 p_l->m_p_next = p_next_l; 124} 125 126PB_DS_CLASS_T_DEC 127void 128PB_DS_CLASS_C_DEC:: 129actual_erase_entry(entry_pointer p_l) 130{ 131 _GLIBCXX_DEBUG_ONLY(debug_base::erase_existing(PB_DS_V2F(p_l->m_value));) 132 p_l->~entry(); 133 s_entry_allocator.deallocate(p_l, 1); 134} 135 136