Revision control
++ // Copyright (C) 2025 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
++ // Qt-Security score:significant reason:default
++
++ #ifndef QRANDOMACCESSASYNCFILE_P_H
++ #define QRANDOMACCESSASYNCFILE_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 "qiooperation_p.h"
++
++ #include <QtCore/qobject.h>
++ #include <QtCore/qspan.h>
++
++ QT_BEGIN_NAMESPACE
++
++ class QRandomAccessAsyncFilePrivate;
++ class Q_CORE_EXPORT QRandomAccessAsyncFile : public QObject
++ {
++ Q_OBJECT
++ public:
++ explicit QRandomAccessAsyncFile(QObject *parent = nullptr);
++ ~QRandomAccessAsyncFile() override;
++
++ // sync APIs
++ void close();
++ qint64 size() const;
++
++ [[nodiscard]] QIOOperation *open(const QString &filePath, QIODeviceBase::OpenMode mode);
++ [[nodiscard]] QIOOperation *flush();
++
++ // owning APIs: we are responsible for storing the data
++ [[nodiscard]] QIOReadOperation *read(qint64 offset, qint64 maxSize);
++ [[nodiscard]] QIOWriteOperation *write(qint64 offset, const QByteArray &data);
++ [[nodiscard]] QIOWriteOperation *write(qint64 offset, QByteArray &&data);
++
++ // non-owning APIs: the user has to control the lifetime of buffers
++ [[nodiscard]] QIOVectoredReadOperation *
++ readInto(qint64 offset, QSpan<std::byte> buffer);
++ [[nodiscard]] QIOVectoredWriteOperation *
++ writeFrom(qint64 offset, QSpan<const std::byte> buffer);
++
++ // vectored IO APIs, also non-owning
++ [[nodiscard]] QIOVectoredReadOperation *
++ readInto(qint64 offset, QSpan<const QSpan<std::byte>> buffers);
++ [[nodiscard]] QIOVectoredWriteOperation *
++ writeFrom(qint64 offset, QSpan<const QSpan<const std::byte>> buffers);
++
++ Q_SIGNALS:
++
++ private:
++ Q_DECLARE_PRIVATE(QRandomAccessAsyncFile)
++ Q_DISABLE_COPY_MOVE(QRandomAccessAsyncFile)
++ };
++
++ QT_END_NAMESPACE
++
++ #endif // QRANDOMACCESSASYNCFILE_P_H