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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtNfc module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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 "qtnfcglobal.h"
#include "qnearfieldtarget.h"
#include <QtCore/QByteArray>
#include <QtCore/QMap>
#include <QtCore/QPair>
QT_BEGIN_NAMESPACE
class QNearFieldTarget;
class Q_AUTOTEST_EXPORT QTlvReader
{
public:
explicit QTlvReader(QNearFieldTarget *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;
QNearFieldTarget *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(QNearFieldTarget *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();
QNearFieldTarget *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
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