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