libstdc++
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00001 // -*- C++ -*- 00002 00003 // Copyright (C) 2005, 2006, 2009, 2010, 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 list_update_map_/erase_fn_imps.hpp 00038 * Contains implementations of lu_map_. 00039 */ 00040 00041 PB_DS_CLASS_T_DEC 00042 inline bool 00043 PB_DS_CLASS_C_DEC:: 00044 erase(key_const_reference r_key) 00045 { 00046 PB_DS_ASSERT_VALID((*this)) 00047 if (m_p_l == 0) 00048 return false; 00049 00050 if (s_eq_fn(r_key, PB_DS_V2F(m_p_l->m_value))) 00051 { 00052 entry_pointer p_next = m_p_l->m_p_next; 00053 actual_erase_entry(m_p_l); 00054 m_p_l = p_next; 00055 return true; 00056 } 00057 00058 entry_pointer p_l = m_p_l; 00059 while (p_l->m_p_next != 0) 00060 if (s_eq_fn(r_key, PB_DS_V2F(p_l->m_p_next->m_value))) 00061 { 00062 erase_next(p_l); 00063 return true; 00064 } 00065 else 00066 p_l = p_l->m_p_next; 00067 return false; 00068 } 00069 00070 PB_DS_CLASS_T_DEC 00071 void 00072 PB_DS_CLASS_C_DEC:: 00073 clear() 00074 { 00075 deallocate_all(); 00076 } 00077 00078 PB_DS_CLASS_T_DEC 00079 template<typename Pred> 00080 inline typename PB_DS_CLASS_C_DEC::size_type 00081 PB_DS_CLASS_C_DEC:: 00082 erase_if(Pred pred) 00083 { 00084 PB_DS_ASSERT_VALID((*this)) 00085 size_type num_ersd = 0; 00086 while (m_p_l != 0 && pred(m_p_l->m_value)) 00087 { 00088 entry_pointer p_next = m_p_l->m_p_next; 00089 ++num_ersd; 00090 actual_erase_entry(m_p_l); 00091 m_p_l = p_next; 00092 } 00093 00094 if (m_p_l == 0) 00095 return num_ersd; 00096 00097 entry_pointer p_l = m_p_l; 00098 while (p_l->m_p_next != 0) 00099 { 00100 if (pred(p_l->m_p_next->m_value)) 00101 { 00102 ++num_ersd; 00103 erase_next(p_l); 00104 } 00105 else 00106 p_l = p_l->m_p_next; 00107 } 00108 00109 PB_DS_ASSERT_VALID((*this)) 00110 return num_ersd; 00111 } 00112 00113 PB_DS_CLASS_T_DEC 00114 void 00115 PB_DS_CLASS_C_DEC:: 00116 erase_next(entry_pointer p_l) 00117 { 00118 _GLIBCXX_DEBUG_ASSERT(p_l != 0); 00119 _GLIBCXX_DEBUG_ASSERT(p_l->m_p_next != 0); 00120 entry_pointer p_next_l = p_l->m_p_next->m_p_next; 00121 actual_erase_entry(p_l->m_p_next); 00122 p_l->m_p_next = p_next_l; 00123 } 00124 00125 PB_DS_CLASS_T_DEC 00126 void 00127 PB_DS_CLASS_C_DEC:: 00128 actual_erase_entry(entry_pointer p_l) 00129 { 00130 _GLIBCXX_DEBUG_ONLY(debug_base::erase_existing(PB_DS_V2F(p_l->m_value));) 00131 p_l->~entry(); 00132 s_entry_allocator.deallocate(p_l, 1); 00133 } 00134