qt-everywhere-src-5.15.1/qt3d/src/render/io/qsceneimportfactory.cpp

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#include "qsceneimportfactory_p.h"
#include "qsceneimportplugin_p.h"
#include "qsceneimporter_p.h"

#include <QtCore/private/qfactoryloader_p.h>
#include <QtCore/QCoreApplication>
#include <QtCore/QDir>

QT_BEGIN_NAMESPACE

namespace Qt3DRender {

Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader, (QSceneImportFactoryInterface_iid, QLatin1String("/sceneparsers"), Qt::CaseInsensitive))
#ifndef QT_NO_LIBRARY
Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, directLoader, (QSceneImportFactoryInterface_iid, QLatin1String(""), Qt::CaseInsensitive))
#endif

QStringList QSceneImportFactory::keys(const QString &pluginPath)
{
    QStringList list;
    if (!pluginPath.isEmpty()) {
#if QT_CONFIG(library)
        QCoreApplication::addLibraryPath(pluginPath);
        list = directLoader()->keyMap().values();
        if (!list.isEmpty()) {
            const QString postFix = QLatin1String(" (from ")
                    + QDir::toNativeSeparators(pluginPath)
                    + QLatin1Char(')');
            const QStringList::iterator end = list.end();
            for (QStringList::iterator it = list.begin(); it != end; ++it)
                (*it).append(postFix);
        }
#else
        qWarning() << QSceneImporter::tr("Cannot query QSceneImporter plugins at %1. "
                                         "Library loading is disabled.").arg(pluginPath);
#endif
    }
    list.append(loader()->keyMap().values());
    return list;
}

QSceneImporter *QSceneImportFactory::create(const QString &name, const QStringList &args, const QString &pluginPath)
{
    if (!pluginPath.isEmpty()) {
#if QT_CONFIG(library)
        QCoreApplication::addLibraryPath(pluginPath);
        if (QSceneImporter *ret = qLoadPlugin<QSceneImporter, QSceneImportPlugin>(directLoader(), name, args))
            return ret;
#else
        qWarning() << QSceneImporter::tr("Cannot load QSceneImporter plugin from %1. "
                                         "Library loading is disabled.").arg(pluginPath);
#endif
    }
    return qLoadPlugin<QSceneImporter, QSceneImportPlugin>(loader(), name, args);
}

} // namespace Qt3DRender

QT_END_NAMESPACE