123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114 | // 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:explicitQFactoryLoader(const char*iid,const QString &suffix =QString(),Qt::CaseSensitivity =Qt::CaseSensitive);#if QT_CONFIG(library)~QFactoryLoader();voidupdate();static voidrefreshAll();#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)voidsetExtraSearchPath(const QString &path); QMultiMap<int, QString>keyMap()const;intindexOf(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;voidupdateSinglePath(const QString &pluginDir);#endif// for compat when we d was a pointerauto 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;}returnnullptr;}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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