126 lines
3.9 KiB
C++
126 lines
3.9 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/
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**
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** This file is part of the QtCore module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
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** License version 2.1 as published by the Free Software Foundation and
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** appearing in the file LICENSE.LGPL included in the packaging of this
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** file. Please review the following information to ensure the GNU Lesser
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** General Public License version 2.1 requirements will be met:
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU General
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** Public License version 3.0 as published by the Free Software Foundation
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** and appearing in the file LICENSE.GPL included in the packaging of this
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** file. Please review the following information to ensure the GNU General
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** Public License version 3.0 requirements will be met:
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** http://www.gnu.org/copyleft/gpl.html.
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**
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** Other Usage
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** Alternatively, this file may be used in accordance with the terms and
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** conditions contained in a signed written agreement between you and Nokia.
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QFACTORYLOADER_P_H
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#define QFACTORYLOADER_P_H
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the Qt API. It exists purely as an
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// implementation detail. This header file may change from version to
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// version without notice, or even be removed.
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//
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// We mean it.
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//
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#include "QtCore/qobject.h"
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#include "QtCore/qstringlist.h"
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#include "QtCore/qjsonobject.h"
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#include "QtCore/qmap.h"
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#include "private/qlibrary_p.h"
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#ifndef QT_NO_LIBRARY
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QT_BEGIN_NAMESPACE
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class QFactoryLoaderPrivate;
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class Q_CORE_EXPORT QFactoryLoader : public QObject
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{
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Q_OBJECT
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Q_DECLARE_PRIVATE(QFactoryLoader)
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public:
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QFactoryLoader(const char *iid,
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const QString &suffix = QString(),
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Qt::CaseSensitivity = Qt::CaseSensitive);
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~QFactoryLoader();
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QList<QJsonObject> metaData() const;
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QObject *instance(int index) const;
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#if defined(Q_OS_UNIX) && !defined (Q_OS_MAC)
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QLibraryPrivate *library(const QString &key) const;
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#endif
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QMultiMap<int, QString> keyMap() const;
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int indexOf(const QString &needle) const;
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void update();
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static void refreshAll();
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};
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template <class PluginInterface, class FactoryInterface>
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PluginInterface *qLoadPlugin(const QFactoryLoader *loader, const QString &key)
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{
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const int index = loader->indexOf(key);
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if (index != -1) {
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QObject *factoryObject = loader->instance(index);
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if (FactoryInterface *factory = qobject_cast<FactoryInterface *>(factoryObject))
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if (PluginInterface *result = factory->create(key))
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return result;
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}
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return 0;
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}
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template <class PluginInterface, class FactoryInterface, class Parameter1>
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PluginInterface *qLoadPlugin1(const QFactoryLoader *loader,
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const QString &key,
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const Parameter1 ¶meter1)
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{
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const int index = loader->indexOf(key);
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if (index != -1) {
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QObject *factoryObject = loader->instance(index);
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if (FactoryInterface *factory = qobject_cast<FactoryInterface *>(factoryObject))
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if (PluginInterface *result = factory->create(key, parameter1))
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return result;
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}
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return 0;
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}
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QT_END_NAMESPACE
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#endif // QT_NO_LIBRARY
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#endif // QFACTORYLOADER_P_H
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