libstdc++
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00001 // -*- C++ -*- 00002 00003 // Copyright (C) 2005, 2006, 2009, 2011 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the terms 00007 // of the GNU General Public License as published by the Free Software 00008 // Foundation; either version 3, or (at your option) any later 00009 // version. 00010 00011 // This library is distributed in the hope that it will be useful, but 00012 // WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 // General Public License for more details. 00015 00016 // Under Section 7 of GPL version 3, you are granted additional 00017 // permissions described in the GCC Runtime Library Exception, version 00018 // 3.1, as published by the Free Software Foundation. 00019 00020 // You should have received a copy of the GNU General Public License and 00021 // a copy of the GCC Runtime Library Exception along with this program; 00022 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 00023 // <http://www.gnu.org/licenses/>. 00024 00025 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 00026 00027 // Permission to use, copy, modify, sell, and distribute this software 00028 // is hereby granted without fee, provided that the above copyright 00029 // notice appears in all copies, and that both that copyright notice 00030 // and this permission notice appear in supporting documentation. None 00031 // of the above authors, nor IBM Haifa Research Laboratories, make any 00032 // representation about the suitability of this software for any 00033 // purpose. It is provided "as is" without express or implied 00034 // warranty. 00035 00036 /** 00037 * @file gp_hash_table_map_/erase_fn_imps.hpp 00038 * Contains implementations of gp_ht_map_'s erase related functions. 00039 */ 00040 00041 PB_DS_CLASS_T_DEC 00042 inline void 00043 PB_DS_CLASS_C_DEC:: 00044 erase_entry(entry_pointer p_e) 00045 { 00046 _GLIBCXX_DEBUG_ASSERT(p_e->m_stat = valid_entry_status); 00047 _GLIBCXX_DEBUG_ONLY(debug_base::erase_existing(PB_DS_V2F(p_e->m_value));) 00048 p_e->m_value.~value_type(); 00049 p_e->m_stat = erased_entry_status; 00050 _GLIBCXX_DEBUG_ASSERT(m_num_used_e > 0); 00051 resize_base::notify_erased(--m_num_used_e); 00052 } 00053 00054 PB_DS_CLASS_T_DEC 00055 void 00056 PB_DS_CLASS_C_DEC:: 00057 clear() 00058 { 00059 for (size_type pos = 0; pos < m_num_e; ++pos) 00060 { 00061 entry_pointer p_e = &m_entries[pos]; 00062 if (p_e->m_stat == valid_entry_status) 00063 erase_entry(p_e); 00064 } 00065 do_resize_if_needed_no_throw(); 00066 resize_base::notify_cleared(); 00067 } 00068 00069 PB_DS_CLASS_T_DEC 00070 template<typename Pred> 00071 inline typename PB_DS_CLASS_C_DEC::size_type 00072 PB_DS_CLASS_C_DEC:: 00073 erase_if(Pred pred) 00074 { 00075 PB_DS_ASSERT_VALID((*this)) 00076 size_type num_ersd = 0; 00077 for (size_type pos = 0; pos < m_num_e; ++pos) 00078 { 00079 entry_pointer p_e = &m_entries[pos]; 00080 if (p_e->m_stat == valid_entry_status) 00081 if (pred(p_e->m_value)) 00082 { 00083 ++num_ersd; 00084 erase_entry(p_e); 00085 } 00086 } 00087 00088 do_resize_if_needed_no_throw(); 00089 PB_DS_ASSERT_VALID((*this)) 00090 return num_ersd; 00091 } 00092 00093 PB_DS_CLASS_T_DEC 00094 inline bool 00095 PB_DS_CLASS_C_DEC:: 00096 erase(key_const_reference r_key) 00097 { return erase_imp(r_key, traits_base::m_store_extra_indicator); } 00098 00099 #include <ext/pb_ds/detail/gp_hash_table_map_/erase_no_store_hash_fn_imps.hpp> 00100 #include <ext/pb_ds/detail/gp_hash_table_map_/erase_store_hash_fn_imps.hpp>