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58 lines
1.7 KiB
58 lines
1.7 KiB
15 years ago
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// -*- c-basic-offset:4; indent-tabs-mode:nil -*-
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// vim: set ts=4 sts=4 sw=4 et:
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/* This file is part of the KDE project
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Copyright (C) 2003 Alexander Kellett <lypanov@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#ifndef __dptrtemplate_h__
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#define __dptrtemplate_h__
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#include <qptrdict.h>
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template<class Instance, class PrivateData>
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class dPtrTemplate {
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public:
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static PrivateData* d( const Instance* instance )
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{
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if ( !d_ptr ) {
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cleanup_d_ptr();
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d_ptr = new QPtrDict<PrivateData>;
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qAddPostRoutine( cleanup_d_ptr );
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}
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PrivateData* ret = d_ptr->find( (void*) instance );
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if ( ! ret ) {
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ret = new PrivateData;
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d_ptr->replace( (void*) instance, ret );
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}
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return ret;
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}
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static void delete_d( const Instance* instance )
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{
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if ( d_ptr )
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d_ptr->remove( (void*) instance );
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}
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private:
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static void cleanup_d_ptr()
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{
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delete d_ptr;
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}
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static QPtrDict<PrivateData>* d_ptr;
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};
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#endif
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