qiosfileengineassetslibrary.h

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#ifndef QIOSFILEENGINEASSETSLIBRARY_H
#define QIOSFILEENGINEASSETSLIBRARY_H
 
#include <QtCore/private/qabstractfileengine_p.h>
 
Q_FORWARD_DECLARE_OBJC_CLASS(ALAsset);
 
QT_BEGIN_NAMESPACE
 
class QIOSAssetData;
 
class QIOSFileEngineAssetsLibrary : public QAbstractFileEngine
{
public:
    QIOSFileEngineAssetsLibrary(const QString &fileName);
    ~QIOSFileEngineAssetsLibrary();
 
    bool open(QIODevice::OpenMode openMode, std::optional<QFile::Permissions> permissions) override;
    bool close() override;
    FileFlags fileFlags(FileFlags type) const override;
    qint64 size() const override;
    qint64 read(char *data, qint64 maxlen) override;
    qint64 pos() const override;
    bool seek(qint64 pos) override;
    QString fileName(FileName file) const override;
    void setFileName(const QString &file) override;
 
#ifndef QT_NO_FILESYSTEMITERATOR
    IteratorUniquePtr beginEntryList(const QString &path, QDir::Filters filters,
                                     const QStringList &filterNames) override;
#endif
 
    void setError(QFile::FileError error, const QString &str) { QAbstractFileEngine::setError(error, str); }
 
private:
    QString m_fileName;
    QString m_assetUrl;
    qint64 m_offset;
    mutable QIOSAssetData *m_data;
 
    ALAsset *loadAsset() const;
};
 
QT_END_NAMESPACE
 
#endif // QIOSFILEENGINEASSETSLIBRARY_H