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// Copyright (C) 2017 The Qt Company Ltd.
// Copyright (C) 2022 Intel Corporation.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QFACTORYLOADER_P_H
#define QFACTORYLOADER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "QtCore/qglobal.h"
#ifndef QT_NO_QOBJECT
#include "QtCore/private/qplugin_p.h"
#include "QtCore/private/qduplicatetracker_p.h"
#include "QtCore/qcoreapplication.h"
#include "QtCore/qmap.h"
#include "QtCore/qmutex.h"
#include "QtCore/qobject.h"
#include "QtCore/qplugin.h"
#if QT_CONFIG(library)
# include "QtCore/private/qlibrary_p.h"
#endif
QT_BEGIN_NAMESPACE
class QJsonObject;
class QLibraryPrivate;
class Q_CORE_EXPORT QFactoryLoader
{
Q_DECLARE_TR_FUNCTIONS(QFactoryLoader);
public:
explicit QFactoryLoader(const char *iid,
const QString &suffix = QString(),
Qt::CaseSensitivity = Qt::CaseSensitive);
#if QT_CONFIG(library)
~QFactoryLoader();
void setLoadHints(QLibrary::LoadHints hints);
void update();
static void refreshAll();
#if defined(Q_OS_UNIX) && !defined (Q_OS_DARWIN)
QLibraryPrivate *library(const QString &key) const;
#endif // Q_OS_UNIX && !Q_OS_DARWIN
#endif // QT_CONFIG(library)
void setExtraSearchPath(const QString &path);
QMultiMap<int, QString> keyMap() const;
int indexOf(const QString &needle) const;
using MetaDataList = QList<QPluginParsedMetaData>;
MetaDataList metaData() const;
QList<QCborArray> metaDataKeys() const;
QObject *instance(int index) const;
private:
struct Private {
QByteArray iid;
mutable QMutex mutex;
mutable QList<QtPluginInstanceFunction> usedStaticInstances;
#if QT_CONFIG(library)
QDuplicateTracker<QString> loadedPaths;
std::vector<QLibraryPrivate::UniquePtr> libraries;
mutable QList<bool> loadedLibraries;
std::map<QString, QLibraryPrivate*> keyMap;
QString suffix;
QString extraSearchPath;
Qt::CaseSensitivity cs;
QLibrary::LoadHints loadHints;
void updateSinglePath(const QString &pluginDir);
#endif
// for compat when we d was a pointer
auto operator->() { return this; }
auto operator->() const { return this; }
} d;
inline QObject *instanceHelper_locked(int index) const;
};
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;
}
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_QOBJECT
#endif // QFACTORYLOADER_P_H
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