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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtDebug>
#include "qpatternistlocale_p.h"
#include "qiodevicedelegate_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
QIODeviceDelegate::QIODeviceDelegate(QIODevice *const source) : m_source(source)
{
Q_ASSERT(m_source);
connect(source, SIGNAL(aboutToClose()), SIGNAL(aboutToClose()));
connect(source, SIGNAL(bytesWritten(qint64)), SIGNAL(bytesWritten(qint64)));
connect(source, SIGNAL(readChannelFinished()), SIGNAL(readChannelFinished()));
connect(source, SIGNAL(readyRead()), SIGNAL(readyRead()));
/* According to Thiago these two signals are very similar, but QtNetworkAccess uses finished()
* instead for a minor but significant reason. */
connect(source, SIGNAL(readChannelFinished()), SIGNAL(finished()));
/* For instance QFile emits no signals, so how do we know if the device has all data available
* and it therefore is safe and correct to emit finished()? isSequential() tells us whether it's
* not random access, and whether it's safe to emit finished(). */
if(m_source->isSequential())
QMetaObject::invokeMethod(this, "readyRead", Qt::QueuedConnection);
else
QMetaObject::invokeMethod(this, "finished", Qt::QueuedConnection);
setOpenMode(QIODevice::ReadOnly);
/* Set up the timeout timer. */
connect(&m_timeout, SIGNAL(timeout()), SLOT(networkTimeout()));
m_timeout.setSingleShot(true);
m_timeout.start(Timeout);
}
void QIODeviceDelegate::networkTimeout()
{
setErrorString(QtXmlPatterns::tr("Network timeout."));
error(QNetworkReply::TimeoutError);
}
void QIODeviceDelegate::abort()
{
/* Do nothing, just to please QNetworkReply's pure virtual. */
}
bool QIODeviceDelegate::atEnd() const
{
return m_source->atEnd();
}
qint64 QIODeviceDelegate::bytesAvailable() const
{
return m_source->bytesAvailable();
}
qint64 QIODeviceDelegate::bytesToWrite() const
{
return m_source->bytesToWrite();
}
bool QIODeviceDelegate::canReadLine() const
{
return m_source->canReadLine();
}
void QIODeviceDelegate::close()
{
return m_source->close();
}
bool QIODeviceDelegate::isSequential() const
{
return m_source->isSequential();
}
bool QIODeviceDelegate::open(OpenMode mode)
{
const bool success = m_source->open(mode);
setOpenMode(m_source->openMode());
return success;
}
qint64 QIODeviceDelegate::pos() const
{
return m_source->pos();
}
bool QIODeviceDelegate::reset()
{
return m_source->reset();
}
bool QIODeviceDelegate::seek(qint64 pos)
{
return m_source->seek(pos);
}
qint64 QIODeviceDelegate::size() const
{
return m_source->size();
}
bool QIODeviceDelegate::waitForBytesWritten(int msecs)
{
return m_source->waitForBytesWritten(msecs);
}
bool QIODeviceDelegate::waitForReadyRead(int msecs)
{
return m_source->waitForReadyRead(msecs);
}
qint64 QIODeviceDelegate::readData(char *data, qint64 maxSize)
{
return m_source->read(data, maxSize);
}
QT_END_NAMESPACE
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