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124 lines
4.3 KiB
C++
124 lines
4.3 KiB
C++
/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Copyright (C) 2016-2020 Ivailo Monev
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**
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** This file is part of the QtNetwork module of the Katie Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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**
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** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** As a special exception, The Qt Company gives you certain additional
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** rights. These rights are described in The Qt Company LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qnetworkreplydataimpl_p.h"
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#include "qdataurl_p.h"
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#include <QtCore/QCoreApplication>
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#include <QtCore/QMetaObject>
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QT_BEGIN_NAMESPACE
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QNetworkReplyDataImpl::QNetworkReplyDataImpl(QObject *parent, const QNetworkRequest &req, const QNetworkAccessManager::Operation op)
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: QNetworkReply(*new QNetworkReplyDataImplPrivate(), parent)
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{
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Q_D(QNetworkReplyDataImpl);
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setRequest(req);
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setUrl(req.url());
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setOperation(op);
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setFinished(true);
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QNetworkReply::open(QIODevice::ReadOnly);
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QUrl url = req.url();
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// FIXME qDecodeDataUrl should instead be rewritten to have the QByteArray
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// and the mime type as an output parameter and return a bool instead
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d->decodeDataUrlResult = qDecodeDataUrl(url);
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if (! d->decodeDataUrlResult.first.isNull()) {
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QString &mimeType = d->decodeDataUrlResult.first;
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qint64 size = d->decodeDataUrlResult.second.size();
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setHeader(QNetworkRequest::ContentTypeHeader, mimeType);
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setHeader(QNetworkRequest::ContentLengthHeader, size);
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QMetaObject::invokeMethod(this, "metaDataChanged", Qt::QueuedConnection);
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d->decodedData.setBuffer(&d->decodeDataUrlResult.second);
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d->decodedData.open(QIODevice::ReadOnly);
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QMetaObject::invokeMethod(this, "downloadProgress", Qt::QueuedConnection,
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Q_ARG(qint64,size), Q_ARG(qint64, size));
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QMetaObject::invokeMethod(this, "readyRead", Qt::QueuedConnection);
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QMetaObject::invokeMethod(this, "finished", Qt::QueuedConnection);
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} else {
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// something wrong with this URI
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const QString msg = QCoreApplication::translate("QNetworkAccessDataBackend",
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"Invalid URI: %1").arg(QString::fromLatin1(url.toEncoded()));
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setError(QNetworkReply::ProtocolFailure, msg);
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QMetaObject::invokeMethod(this, "error", Qt::QueuedConnection,
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Q_ARG(QNetworkReply::NetworkError, QNetworkReply::ProtocolFailure));
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QMetaObject::invokeMethod(this, "finished", Qt::QueuedConnection);
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}
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}
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void QNetworkReplyDataImpl::abort()
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{
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QNetworkReply::close();
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}
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qint64 QNetworkReplyDataImpl::bytesAvailable() const
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{
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Q_D(const QNetworkReplyDataImpl);
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return QNetworkReply::bytesAvailable() + d->decodedData.bytesAvailable();
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}
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bool QNetworkReplyDataImpl::isSequential () const
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{
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return true;
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}
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qint64 QNetworkReplyDataImpl::size() const
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{
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Q_D(const QNetworkReplyDataImpl);
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return d->decodedData.size();
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}
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/*!
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\internal
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*/
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qint64 QNetworkReplyDataImpl::readData(char *data, qint64 maxlen)
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{
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Q_D(QNetworkReplyDataImpl);
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// TODO idea:
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// Instead of decoding the whole data into new memory, we could decode on demand.
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// Note that this might be tricky to do.
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return d->decodedData.read(data, maxlen);
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}
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QT_END_NAMESPACE
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#include "moc_qnetworkreplydataimpl_p.h"
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