/* 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;

}