kdeconnect-kde/core/backends/devicelinereader.cpp
2022-09-11 23:21:58 +00:00

39 lines
1.3 KiB
C++

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