qtlv_p.h - mozsearch

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// Copyright (C) 2016 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

#ifndef QTLV_P_H

#define QTLV_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 <QtNfc/qnearfieldtarget.h>

#include <QtNfc/private/qnearfieldtarget_p.h>

#include <QtCore/QByteArray>

#include <QtCore/QMap>

#include <QtCore/QPair>

QT_BEGIN_NAMESPACE

class QNearFieldTarget;

class QTlvReader

public:

    explicit QTlvReader(QNearFieldTargetPrivate *target);

    explicit QTlvReader(const QByteArray &data);

    void addReservedMemory(int offset, int length);

    int reservedMemorySize() const;

    QNearFieldTarget::RequestId requestId() const;

    bool atEnd() const;

    bool readNext();

    quint8 tag() const;

    int length();

    QByteArray data();

private:

    bool readMoreData(int sparseOffset);

    int absoluteOffset(int sparseOffset) const;

    int dataLength(int startOffset) const;

    QNearFieldTargetPrivate *m_target;

    QByteArray m_rawData;

    QNearFieldTarget::RequestId m_requestId;

    QByteArray m_tlvData;

    int m_index;

    QMap<int, int> m_reservedMemory;

};

class QTlvWriter

public:

    explicit QTlvWriter(QNearFieldTargetPrivate *target);

    explicit QTlvWriter(QByteArray *data);

    ~QTlvWriter();

    void addReservedMemory(int offset, int length);

    void writeTlv(quint8 tag, const QByteArray &data = QByteArray());

    bool process(bool all = false);

    QNearFieldTarget::RequestId requestId() const;

private:

    int moveToNextAvailable();

    QNearFieldTargetPrivate *m_target;

    QByteArray *m_rawData;

    int m_index;

    int m_tagMemorySize;

    QMap<int, int> m_reservedMemory;

    QByteArray m_buffer;

    QNearFieldTarget::RequestId m_requestId;

};

QPair<int, int> qParseReservedMemoryControlTlv(const QByteArray &tlvData);

QPair<int, int> qParseLockControlTlv(const QByteArray &tlvData);

QT_END_NAMESPACE

#endif // QTLV_P_H