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# kstaticdeleter.h

    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., 59 Temple Place - Suite 330,
    00019  * Boston, MA 02111-1307, USA.
    00020  *
    00021  */
    00022
    00023 #ifndef _KSTATIC_DELETER_H_
    00024 #define _KSTATIC_DELETER_H_
    00025
    00026 #include <kglobal.h>
    00027
    00039 class KDECORE_EXPORT KStaticDeleterBase {
    00040 public:
    00041     virtual ~KStaticDeleterBase() { }
    00047     virtual void destructObject();
    00048 };
    00049
    00074 template<class type> class KStaticDeleter : public KStaticDeleterBase {
    00075 public:
    00076     KStaticDeleter() { deleteit = 0; globalReference = 0; array = false; }
    00085     KDE_DEPRECATED type *setObject( type *obj, bool isArray = false) {
    00086         deleteit = obj;
    00087         globalReference = 0;
    00088     array = isArray;
    00089     if (obj)
    00090             KGlobal::registerStaticDeleter(this);
    00091     else
    00092         KGlobal::unregisterStaticDeleter(this);
    00093         return obj;
    00094     }
    00104     type *setObject( type* & globalRef, type *obj, bool isArray = false) {
    00105         globalReference = &globalRef;
    00106         deleteit = obj;
    00107     array = isArray;
    00108     if (obj)
    00109             KGlobal::registerStaticDeleter(this);
    00110     else
    00111         KGlobal::unregisterStaticDeleter(this);
    00112         globalRef = obj;
    00113     return obj;
    00114     }
    00115
    00120     virtual void destructObject() {
    00121         if (globalReference)
    00122            *globalReference = 0;
    00123     if (array)
    00124        delete [] deleteit;
    00125     else
    00126        delete deleteit;
    00127         deleteit = 0;
    00128     }
    00129     virtual ~KStaticDeleter() {
    00130         KGlobal::unregisterStaticDeleter(this);
    00131     destructObject();
    00132     }
    00133 private:
    00134     type *deleteit;
    00135     type **globalReference;
    00136     bool array;
    00137 };
    00138
    00139 #endif

This file is part of the documentation for kdecore Library Version 3.4.1.
Documentation copyright © 1996-2004 the KDE developers.
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