kdeconnect-kde/core/backends/devicelinereader.h
2019-03-23 17:29:26 +01:00

60 lines
1.7 KiB
C++

/**
* Copyright 2013 Albert Vaca <albertvaka@gmail.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License or (at your option) version 3 or any later version
* accepted by the membership of KDE e.V. (or its successor approved
* by the membership of KDE e.V.), which shall act as a proxy
* defined in Section 14 of version 3 of the license.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef DEVICELINEREADER_H
#define DEVICELINEREADER_H
#include <QObject>
#include <QString>
#include <QQueue>
#include <QIODevice>
/*
* Encapsulates a QIODevice and implements the same methods of its API that are
* used by LanDeviceLink and BluetoothDeviceLink, but readyRead is emitted only
* when a newline is found.
*/
class DeviceLineReader
: public QObject
{
Q_OBJECT
public:
DeviceLineReader(QIODevice* device, QObject* parent = 0);
QByteArray readLine() { return m_packets.dequeue(); }
qint64 write(const QByteArray& data) { return m_device->write(data); }
qint64 bytesAvailable() const { return m_packets.size(); }
Q_SIGNALS:
void readyRead();
void disconnected();
private Q_SLOTS:
void dataReceived();
private:
QByteArray m_lastChunk;
QIODevice* m_device;
QQueue<QByteArray> m_packets;
};
#endif