KDE3Support
k3staticdeleter.h
Go to the documentation of this file.00001 /* 00002 * This file is part of the KDE Libraries 00003 * Copyright (C) 2000 Stephan Kulow <coolo@kde.org> 00004 * 2001 KDE Team 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the GNU Library General Public 00008 * License as published by the Free Software Foundation; either 00009 * version 2 of the License, or (at your option) 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 GNU 00014 * Library General Public License for more details. 00015 * 00016 * You should have received a copy of the GNU Library General Public License 00017 * along with this library; see the file COPYING.LIB. If not, write to 00018 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 00019 * Boston, MA 02110-1301, USA. 00020 * 00021 */ 00022 00023 #ifndef _KSTATIC_DELETER_H_ 00024 #define _KSTATIC_DELETER_H_ 00025 00026 #include <kde3support_export.h> 00027 00028 class K3StaticDeleterBase; 00029 00030 namespace K3StaticDeleterHelpers 00031 { 00038 KDE3SUPPORT_EXPORT void registerStaticDeleter(K3StaticDeleterBase *d); 00039 00046 KDE3SUPPORT_EXPORT void unregisterStaticDeleter(K3StaticDeleterBase *d); 00047 00054 KDE3SUPPORT_EXPORT void deleteStaticDeleters(); 00055 } // namespace K3StaticDeleterHelpers 00056 00068 class KDE3SUPPORT_EXPORT K3StaticDeleterBase { 00069 public: 00070 virtual ~K3StaticDeleterBase(); 00076 virtual void destructObject(); 00077 }; 00078 00115 template<class type> class KDE_DEPRECATED K3StaticDeleter : public K3StaticDeleterBase { 00116 public: 00121 K3StaticDeleter() { deleteit = 0; globalReference = 0; array = false; } 00122 00131 KDE_DEPRECATED type *setObject( type *obj, bool isArray = false) { 00132 deleteit = obj; 00133 globalReference = 0; 00134 array = isArray; 00135 if (obj) 00136 K3StaticDeleterHelpers::registerStaticDeleter(this); 00137 else 00138 K3StaticDeleterHelpers::unregisterStaticDeleter(this); 00139 return obj; 00140 } 00141 00152 type *setObject( type* & globalRef, type *obj, bool isArray = false) { 00153 globalReference = &globalRef; 00154 deleteit = obj; 00155 array = isArray; 00156 if (obj) 00157 K3StaticDeleterHelpers::registerStaticDeleter(this); 00158 else 00159 K3StaticDeleterHelpers::unregisterStaticDeleter(this); 00160 globalRef = obj; 00161 return obj; 00162 } 00163 00168 virtual void destructObject() { 00169 if (globalReference) 00170 *globalReference = 0; 00171 if (array) 00172 delete [] deleteit; 00173 else 00174 delete deleteit; 00175 deleteit = 0; 00176 } 00177 00182 virtual ~K3StaticDeleter() { 00183 K3StaticDeleterHelpers::unregisterStaticDeleter(this); 00184 destructObject(); 00185 } 00186 private: 00187 type *deleteit; 00188 type **globalReference; 00189 bool array; 00190 }; 00191 00192 #endif