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/****************************************************************************
** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB. All rights reserved.
**
** This file is part of the KD Tools library.
**
** Licensees holding valid commercial KD Tools licenses may use this file in
** accordance with the KD Tools Commercial License Agreement provided with
** the Software.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU Lesser General Public License version 2 and version 3 as published by the
** Free Software Foundation and appearing in the file LICENSE.LGPL included.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** Contact info@kdab.com if any conditions of this licensing are not
** clear to you.
**
**********************************************************************/
#ifndef KDTOOLS__KDGENERICFACTORY_H
#define KDTOOLS__KDGENERICFACTORY_H
#include <kdtoolsglobal.h>
#include <QtCore/QHash>
template <typename T_Product, typename T_Identifier = QString>
class KDGenericFactory
{
public:
virtual ~KDGenericFactory() {}
typedef T_Product *(*FactoryFunction)();
template <typename T>
void registerProduct(const T_Identifier &name)
{
#ifdef Q_CC_MSVC
FactoryFunction function = &KDGenericFactory::create<T>;
#else // compile fix for old gcc
FactoryFunction function = &create<T>;
#endif
map.insert(name, function);
}
T_Product *create(const T_Identifier &name) const
{
const typename QHash<T_Identifier, FactoryFunction>::const_iterator it = map.find(name);
if (it == map.end())
return 0;
return (*it)();
}
private:
template <typename T>
static T_Product *create()
{
return new T;
}
QHash<T_Identifier, FactoryFunction> map;
};
#endif
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