1// -*- C++ -*- 2 3// Copyright (C) 2005, 2006 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 2, 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// You should have received a copy of the GNU General Public License 17// along with this library; see the file COPYING. If not, write to 18// the Free Software Foundation, 59 Temple Place - Suite 330, Boston, 19// MA 02111-1307, USA. 20 21// As a special exception, you may use this file as part of a free 22// software library without restriction. Specifically, if other files 23// instantiate templates or use macros or inline functions from this 24// file, or you compile this file and link it with other files to 25// produce an executable, this file does not by itself cause the 26// resulting executable to be covered by the GNU General Public 27// License. This exception does not however invalidate any other 28// reasons why the executable file might be covered by the GNU General 29// Public License. 30 31// Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 32 33// Permission to use, copy, modify, sell, and distribute this software 34// is hereby granted without fee, provided that the above copyright 35// notice appears in all copies, and that both that copyright notice 36// and this permission notice appear in supporting documentation. None 37// of the above authors, nor IBM Haifa Research Laboratories, make any 38// representation about the suitability of this software for any 39// purpose. It is provided "as is" without express or implied 40// warranty. 41 42/** 43 * @file erase_fn_imps.hpp 44 * Contains implementations of cc_ht_map_'s erase related functions. 45 */ 46 47PB_DS_CLASS_T_DEC 48inline void 49PB_DS_CLASS_C_DEC:: 50erase_entry_pointer(entry_pointer& r_p_e) 51{ 52 _GLIBCXX_DEBUG_ONLY(map_debug_base::erase_existing(PB_DS_V2F(r_p_e->m_value))); 53 54 entry_pointer p_e = r_p_e; 55 r_p_e = r_p_e->m_p_next; 56 rels_entry(p_e); 57 _GLIBCXX_DEBUG_ASSERT(m_num_used_e > 0); 58 resize_base::notify_erased(--m_num_used_e); 59} 60 61PB_DS_CLASS_T_DEC 62template<typename Pred> 63inline typename PB_DS_CLASS_C_DEC::size_type 64PB_DS_CLASS_C_DEC:: 65erase_if(Pred pred) 66{ 67 size_type num_ersd = 0; 68 for (size_type pos = 0; pos < m_num_e; ++pos) 69 { 70 while (m_entries[pos] != NULL && pred(m_entries[pos]->m_value)) 71 { 72 ++num_ersd; 73 entry_pointer p_next_e = m_entries[pos]->m_p_next; 74 erase_entry_pointer(m_entries[pos]); 75 m_entries[pos] = p_next_e; 76 } 77 78 entry_pointer p_e = m_entries[pos]; 79 while (p_e != NULL && p_e->m_p_next != NULL) 80 { 81 if (pred(p_e->m_p_next->m_value)) 82 { 83 ++num_ersd; 84 erase_entry_pointer(p_e->m_p_next); 85 } 86 else 87 p_e = p_e->m_p_next; 88 } 89 } 90 91 do_resize_if_needed_no_throw(); 92 return num_ersd; 93} 94 95PB_DS_CLASS_T_DEC 96void 97PB_DS_CLASS_C_DEC:: 98clear() 99{ 100 for (size_type pos = 0; pos < m_num_e; ++pos) 101 while (m_entries[pos] != NULL) 102 erase_entry_pointer(m_entries[pos]); 103 do_resize_if_needed_no_throw(); 104 resize_base::notify_cleared(); 105} 106 107#include <ext/pb_ds/detail/cc_hash_table_map_/erase_no_store_hash_fn_imps.hpp> 108#include <ext/pb_ds/detail/cc_hash_table_map_/erase_store_hash_fn_imps.hpp> 109 110