00001 // -*- C++ -*- 00002 00003 // Copyright (C) 2005 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 00007 // terms of the GNU General Public License as published by the 00008 // Free Software Foundation; either version 2, or (at your option) 00009 // any later version. 00010 00011 // This library is distributed in the hope that it will be useful, 00012 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00014 // GNU General Public License for more details. 00015 00016 // You should have received a copy of the GNU General Public License along 00017 // with this library; see the file COPYING. If not, write to the Free 00018 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 00019 // USA. 00020 00021 // As a special exception, you may use this file as part of a free software 00022 // library without restriction. Specifically, if other files instantiate 00023 // templates or use macros or inline functions from this file, or you compile 00024 // this file and link it with other files to produce an executable, this 00025 // file does not by itself cause the resulting executable to be covered by 00026 // the GNU General Public License. This exception does not however 00027 // invalidate any other reasons why the executable file might be covered by 00028 // the GNU General Public License. 00029 00030 // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. 00031 00032 // Permission to use, copy, modify, sell, and distribute this software 00033 // is hereby granted without fee, provided that the above copyright 00034 // notice appears in all copies, and that both that copyright notice and 00035 // this permission notice appear in supporting documentation. None of 00036 // the above authors, nor IBM Haifa Research Laboratories, make any 00037 // representation about the suitability of this software for any 00038 // purpose. It is provided "as is" without express or implied warranty. 00039 00045 namespace pb_assoc 00046 { 00047 00048 namespace detail 00049 { 00050 00051 #define PB_ASSOC_CLASS_T_DEC \ 00052 template<class HT_Map> 00053 00054 #define PB_ASSOC_CLASS_C_DEC \ 00055 PB_ASSOC_CKDED_CLASS_NAME< \ 00056 HT_Map> 00057 00061 template<class HT_Map> 00062 class PB_ASSOC_CKDED_CLASS_NAME 00063 { 00064 public: 00065 typedef typename HT_Map::entry entry; 00066 00067 typedef typename HT_Map::entry_allocator entry_allocator; 00068 00069 typedef typename HT_Map::key_type key_type; 00070 00071 public: 00072 inline 00073 PB_ASSOC_CKDED_CLASS_NAME(entry_allocator* p_a, entry* p_e); 00074 00075 inline 00076 ~PB_ASSOC_CKDED_CLASS_NAME(); 00077 00078 inline void 00079 set_key_destruct(); 00080 00081 inline void 00082 set_no_action_destructor(); 00083 00084 protected: 00085 entry_allocator* const m_p_a; 00086 entry* const m_p_e; 00087 00088 bool m_key_destruct; 00089 bool m_no_action_destructor; 00090 }; 00091 00092 PB_ASSOC_CLASS_T_DEC 00093 inline 00094 PB_ASSOC_CLASS_C_DEC:: 00095 PB_ASSOC_CKDED_CLASS_NAME(entry_allocator* p_a, entry* p_e) : 00096 m_p_a(p_a), 00097 m_p_e(p_e), 00098 m_key_destruct(false), 00099 m_no_action_destructor(false) 00100 { } 00101 00102 PB_ASSOC_CLASS_T_DEC 00103 inline void 00104 PB_ASSOC_CLASS_C_DEC:: 00105 set_key_destruct() 00106 { 00107 m_key_destruct = true; 00108 } 00109 00110 PB_ASSOC_CLASS_T_DEC 00111 inline void 00112 PB_ASSOC_CLASS_C_DEC:: 00113 set_no_action_destructor() 00114 { 00115 m_no_action_destructor = true; 00116 } 00117 00118 PB_ASSOC_CLASS_T_DEC 00119 inline 00120 PB_ASSOC_CLASS_C_DEC:: 00121 ~PB_ASSOC_CKDED_CLASS_NAME() 00122 { 00123 if (m_no_action_destructor) 00124 return; 00125 00126 if (m_key_destruct) 00127 m_p_e->m_value.first.~key_type(); 00128 00129 m_p_a->deallocate(m_p_e, 1); 00130 } 00131 00132 #undef PB_ASSOC_CLASS_T_DEC 00133 #undef PB_ASSOC_CLASS_C_DEC 00134 00135 } // namespace detail 00136 00137 } // namespace pb_assoc 00138