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HelpReplyIoDevice.cpp
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62 lines (48 loc) · 1.64 KB
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/* Help reply IO device class implementation.
Copyright (C) 2018 rel-eng
This file is part of QWinHelp.
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 3 of the License, or
(at your option) any later version.
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 <http://www.gnu.org/licenses/>. */
#include <QTimer>
#include "HelpReplyIoDevice.h"
HelpReplyIoDevice::HelpReplyIoDevice(const QByteArray &data): data(data), dataLength(data.length())
{
setOpenMode(QIODevice::ReadOnly);
QTimer::singleShot(0, this, SLOT(readyRead()));
QTimer::singleShot(0, this, SLOT(readChannelFinished()));
}
HelpReplyIoDevice::~HelpReplyIoDevice()
{
}
qint64 HelpReplyIoDevice::bytesAvailable() const
{
return data.length() + QIODevice::bytesAvailable();
}
void HelpReplyIoDevice::close()
{
QIODevice::close();
deleteLater();
}
qint64 HelpReplyIoDevice::readData(char *buffer, qint64 maxlen)
{
qint64 len = qMin(qint64(data.length()), maxlen);
if (len > 0) {
memcpy(buffer, data.constData(), len);
data.remove(0, len);
}
return len;
}
qint64 HelpReplyIoDevice::writeData(const char *buffer, qint64 maxlen)
{
Q_UNUSED(buffer)
Q_UNUSED(maxlen)
return 0;
}