/**************************************************************************** | |
** | |
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | |
** All rights reserved. | |
** Contact: Nokia Corporation (qt-info@nokia.com) | |
** | |
** This file is part of the QtXmlPatterns module of the Qt Toolkit. | |
** | |
** $QT_BEGIN_LICENSE:LGPL$ | |
** GNU Lesser General Public License Usage | |
** This file may be used under the terms of the GNU Lesser General Public | |
** License version 2.1 as published by the Free Software Foundation and | |
** appearing in the file LICENSE.LGPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU Lesser | |
** General Public License version 2.1 requirements will be met: | |
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. | |
** | |
** In addition, as a special exception, Nokia gives you certain additional | |
** rights. These rights are described in the Nokia Qt LGPL Exception | |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. | |
** | |
** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
** Public License version 3.0 as published by the Free Software Foundation | |
** and appearing in the file LICENSE.GPL included in the packaging of this | |
** file. Please review the following information to ensure the GNU General | |
** Public License version 3.0 requirements will be met: | |
** http://www.gnu.org/copyleft/gpl.html. | |
** | |
** Other Usage | |
** Alternatively, this file may be used in accordance with the terms and | |
** conditions contained in a signed written agreement between you and Nokia. | |
** | |
** | |
** | |
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** $QT_END_LICENSE$ | |
** | |
****************************************************************************/ | |
#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 | |