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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtNfc module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTLV_P_H
#define QTLV_P_H
#include "qnfcglobal.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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