56 lines
2 KiB
C++
56 lines
2 KiB
C++
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/**
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* Copyright 2013 Albert Vaca <albertvaka@gmail.com>
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* Copyright 2014 Alejandro Fiestas Olivares <afiestas@kde.org>
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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 <http://www.gnu.org/licenses/>.
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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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, mDevice(device)
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{
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connect(mDevice, SIGNAL(readyRead()),
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this, SLOT(dataReceived()));
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connect(mDevice, SIGNAL(disconnected()),
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this, SIGNAL(disconnected()));
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}
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void DeviceLineReader::dataReceived()
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{
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while(mDevice->canReadLine()) {
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const QByteArray line = mDevice->readLine();
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if (line.length() > 1) {
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mPackages.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 (mDevice->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 packages, tell it to the world.
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if (!mPackages.isEmpty()) {
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Q_EMIT readyRead();
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}
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}
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