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This file is part of the Okteta Kasten module, part of the KDE project.
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Copyright 2007 Friedrich W. H. Kossebau <kossebau@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) version 3, or any
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later version accepted by the membership of KDE e.V. (or its
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successor approved by the membership of KDE e.V.), which shall
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act as a proxy defined in Section 6 of version 3 of the license.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library. If not, see <http://www.gnu.org/licenses/>.
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#include "abstractbytearraystreamencoder.h"
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#include <bytearrayview.h>
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#include <bytearraydocument.h>
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#include <bytearrayselection.h>
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#include <abstractbytearraymodel.h>
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#include <QtCore/QBuffer>
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static const int MaxPreviewSize = 100;
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AbstractByteArrayStreamEncoder::AbstractByteArrayStreamEncoder( const QString &remoteTypeName,
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const QString &remoteMimeType )
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: AbstractModelStreamEncoder( remoteTypeName, remoteMimeType, QString::fromLatin1("text/plain") )
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QString AbstractByteArrayStreamEncoder::modelTypeName( AbstractModel* model, const AbstractModelSelection* selection ) const
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const ByteArrayDocument* byteArrayDocument = model->findBaseModel<const ByteArrayDocument*>();
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return ( byteArrayDocument == 0 ) ? QString() : byteArrayDocument->typeName();
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bool AbstractByteArrayStreamEncoder::encodeToStream( QIODevice* device,
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AbstractModel* model, const AbstractModelSelection* selection )
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const ByteArrayView* byteArrayView = qobject_cast<const ByteArrayView*>( model );
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const ByteArrayDocument* byteArrayDocument =
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byteArrayView ? qobject_cast<const ByteArrayDocument*>( byteArrayView->baseModel() ) : 0;
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if( byteArrayDocument == 0 )
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const Okteta::AbstractByteArrayModel* byteArray = byteArrayDocument->content();
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const ByteArraySelection* byteArraySelection =
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selection ? static_cast<const ByteArraySelection*>( selection ) : 0;
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const Okteta::AddressRange range = byteArraySelection && byteArraySelection->isValid() ?
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byteArraySelection->range() :
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Okteta::AddressRange::fromWidth( 0, byteArray->size() );
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const bool success = encodeDataToStream( device, byteArrayView, byteArray, range );
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QString AbstractByteArrayStreamEncoder::previewData( AbstractModel* model, const AbstractModelSelection* selection )
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const ByteArrayView* byteArrayView = qobject_cast<const ByteArrayView*>( model );
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const ByteArrayDocument* byteArrayDocument =
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byteArrayView ? qobject_cast<const ByteArrayDocument*>( byteArrayView->baseModel() ) : 0;
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if( byteArrayDocument == 0 )
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const Okteta::AbstractByteArrayModel* byteArray = byteArrayDocument->content();
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const ByteArraySelection* byteArraySelection =
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selection ? static_cast<const ByteArraySelection*>( selection ) : 0;
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Okteta::AddressRange range = byteArraySelection && byteArraySelection->isValid() ?
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byteArraySelection->range() :
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Okteta::AddressRange::fromWidth( 0, byteArray->size() );
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range.restrictEndByWidth( MaxPreviewSize );
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QBuffer dataBuffer( &data );
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dataBuffer.open( QIODevice::WriteOnly );
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const bool success = encodeDataToStream( &dataBuffer, byteArrayView, byteArray, range );
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return success ? QString(data) : QString();
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AbstractByteArrayStreamEncoder::~AbstractByteArrayStreamEncoder() {}