39 lines
1.3 KiB
C++
39 lines
1.3 KiB
C++
/**
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* SPDX-FileCopyrightText: 2013 Albert Vaca <albertvaka@gmail.com>
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* SPDX-FileCopyrightText: 2014 Alejandro Fiestas Olivares <afiestas@kde.org>
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*
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* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
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*/
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#include "devicelinereader.h"
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DeviceLineReader::DeviceLineReader(QIODevice *device, QObject *parent)
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: QObject(parent)
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, m_device(device)
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{
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connect(m_device, &QIODevice::readyRead, this, &DeviceLineReader::dataReceived);
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connect(m_device, &QIODevice::aboutToClose, this, &DeviceLineReader::disconnected);
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}
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void DeviceLineReader::dataReceived()
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{
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while (m_device->canReadLine()) {
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const QByteArray line = m_device->readLine();
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if (line.length() > 1) {
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m_packets.enqueue(line); // we don't want single \n
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}
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}
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// If we still have things to read from the device, call dataReceived again
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// We do this manually because we do not trust readyRead to be emitted again
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// So we call this method again just in case.
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if (m_device->bytesAvailable() > 0) {
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QMetaObject::invokeMethod(this, "dataReceived", Qt::QueuedConnection);
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return;
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}
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// If we have any packets, tell it to the world.
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if (!m_packets.isEmpty()) {
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Q_EMIT readyRead();
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}
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}
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