diff options
Diffstat (limited to 'src/corelib/plugin/qfactoryloader_p.h')
-rw-r--r-- | src/corelib/plugin/qfactoryloader_p.h | 116 |
1 files changed, 89 insertions, 27 deletions
diff --git a/src/corelib/plugin/qfactoryloader_p.h b/src/corelib/plugin/qfactoryloader_p.h index 1c48491b0d..6f62da484b 100644 --- a/src/corelib/plugin/qfactoryloader_p.h +++ b/src/corelib/plugin/qfactoryloader_p.h @@ -1,31 +1,37 @@ /**************************************************************************** ** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ ** ** This file is part of the QtCore module of the Qt Toolkit. ** -** $QT_BEGIN_LICENSE:LGPL21$ +** $QT_BEGIN_LICENSE:LGPL$ ** Commercial License Usage ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. ** ** GNU Lesser General Public License Usage ** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** General Public License version 3 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL3 included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 3 requirements +** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. ** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 2.0 or (at your option) the GNU General +** Public license version 3 or any later version approved by the KDE Free +** Qt Foundation. The licenses are as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-2.0.html and +** https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** @@ -45,17 +51,18 @@ // We mean it. // +#include "QtCore/qglobal.h" +#ifndef QT_NO_QOBJECT + #include "QtCore/qobject.h" #include "QtCore/qstringlist.h" #include "QtCore/qjsonobject.h" #include "QtCore/qmap.h" #include "private/qlibrary_p.h" -#ifndef QT_NO_LIBRARY QT_BEGIN_NAMESPACE class QFactoryLoaderPrivate; - class Q_CORE_EXPORT QFactoryLoader : public QObject { Q_OBJECT @@ -65,23 +72,42 @@ public: explicit QFactoryLoader(const char *iid, const QString &suffix = QString(), Qt::CaseSensitivity = Qt::CaseSensitive); + +#ifndef QT_NO_LIBRARY ~QFactoryLoader(); - QList<QJsonObject> metaData() const; - QObject *instance(int index) const; + void update(); + static void refreshAll(); #if defined(Q_OS_UNIX) && !defined (Q_OS_MAC) QLibraryPrivate *library(const QString &key) const; -#endif +#endif // Q_OS_UNIX && !Q_OS_MAC +#endif // !QT_NO_LIBRARY QMultiMap<int, QString> keyMap() const; int indexOf(const QString &needle) const; - void update(); - - static void refreshAll(); + QList<QJsonObject> metaData() const; + QObject *instance(int index) const; }; +#ifdef Q_COMPILER_VARIADIC_TEMPLATES + +template <class PluginInterface, class FactoryInterface, typename ...Args> +PluginInterface *qLoadPlugin(const QFactoryLoader *loader, const QString &key, Args &&...args) +{ + const int index = loader->indexOf(key); + if (index != -1) { + QObject *factoryObject = loader->instance(index); + if (FactoryInterface *factory = qobject_cast<FactoryInterface *>(factoryObject)) + if (PluginInterface *result = factory->create(key, std::forward<Args>(args)...)) + return result; + } + return nullptr; +} + +#else + template <class PluginInterface, class FactoryInterface> PluginInterface *qLoadPlugin(const QFactoryLoader *loader, const QString &key) { @@ -95,23 +121,59 @@ template <class PluginInterface, class FactoryInterface> return 0; } -template <class PluginInterface, class FactoryInterface, class Parameter1> -PluginInterface *qLoadPlugin1(const QFactoryLoader *loader, +template <class PluginInterface, class FactoryInterface, class P1> +PluginInterface *qLoadPlugin(const QFactoryLoader *loader, const QString &key, - const Parameter1 ¶meter1) + P1 &&p1) { const int index = loader->indexOf(key); if (index != -1) { QObject *factoryObject = loader->instance(index); if (FactoryInterface *factory = qobject_cast<FactoryInterface *>(factoryObject)) - if (PluginInterface *result = factory->create(key, parameter1)) + if (PluginInterface *result = factory->create(key, std::forward<P1>(p1))) return result; } return 0; } +template <class PluginInterface, class FactoryInterface, class P1, class P2> +PluginInterface *qLoadPlugin(const QFactoryLoader *loader, + const QString &key, + P1 &&p1, P2 &&p2) +{ + const int index = loader->indexOf(key); + if (index != -1) { + QObject *factoryObject = loader->instance(index); + if (FactoryInterface *factory = qobject_cast<FactoryInterface *>(factoryObject)) + if (PluginInterface *result = factory->create(key, std::forward<P1>(p1), std::forward<P2>(p2))) + return result; + } + return 0; +} + +template <class PluginInterface, class FactoryInterface, class P1, class P2, class P3> +PluginInterface *qLoadPlugin(const QFactoryLoader *loader, + const QString &key, + P1 &&p1, P2 &&p2, P3 &&p3) +{ + const int index = loader->indexOf(key); + if (index != -1) { + QObject *factoryObject = loader->instance(index); + if (FactoryInterface *factory = qobject_cast<FactoryInterface *>(factoryObject)) + if (PluginInterface *result = factory->create(key, std::forward<P1>(p1), std::forward<P2>(p2), std::forward<P3>(p3))) + return result; + } + return 0; +} + +#endif + +template <class PluginInterface, class FactoryInterface, typename Arg> +Q_DECL_DEPRECATED PluginInterface *qLoadPlugin1(const QFactoryLoader *loader, const QString &key, Arg &&arg) +{ return qLoadPlugin<PluginInterface, FactoryInterface>(loader, key, std::forward<Arg>(arg)); } + QT_END_NAMESPACE -#endif // QT_NO_LIBRARY +#endif // QT_NO_QOBJECT #endif // QFACTORYLOADER_P_H |