diff options
Diffstat (limited to 'src/xmlpatterns/api/qiodevicedelegate.cpp')
-rw-r--r-- | src/xmlpatterns/api/qiodevicedelegate.cpp | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/xmlpatterns/api/qiodevicedelegate.cpp b/src/xmlpatterns/api/qiodevicedelegate.cpp new file mode 100644 index 0000000..05820a7 --- /dev/null +++ b/src/xmlpatterns/api/qiodevicedelegate.cpp @@ -0,0 +1,166 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtXmlPatterns module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 + |