/usr/include/KF5/KFileMetaData/kfilemetadata/extractionresult.h is in libkf5filemetadata-dev 5.44.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
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* Copyright (C) 2013 Vishesh Handa <me@vhanda.in>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) version 3, or any
* later version accepted by the membership of KDE e.V. (or its
* successor approved by the membership of KDE e.V.), which shall
* act as a proxy defined in Section 6 of version 3 of the license.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef _KFILEMETADATA_EXTRACTIONRESULT_H
#define _KFILEMETADATA_EXTRACTIONRESULT_H
#include <QString>
#include <QVariant>
#include "kfilemetadata_export.h"
#include "properties.h"
#include "types.h"
namespace KFileMetaData {
/**
* \class ExtractionResult extractionresult.h
*
* \brief The ExtractionResult class is where all the data extracted by
* the indexer is saved. This class acts as a base class which should be
* dervied from and then passed to the relevant plugins.
*
* The dervied class needs to implement 3 pure virtual functions through
* which it receives the extracted data.
*
* \author Vishesh Handa <me@vhanda.in>
*/
class KFILEMETADATA_EXPORT ExtractionResult
{
public:
enum Flag {
ExtractNothing = 0,
ExtractMetaData = 1,
ExtractPlainText = 2,
ExtractEverything = (ExtractMetaData | ExtractPlainText)
};
Q_DECLARE_FLAGS(Flags, Flag)
/**
* Create an ExtractionResult which can be passed be to Extractors. The
* extractors use the \p url, \p mimetype and \p flags in order to determine
* which file the data should be extracted from and and which all should
* be extracted.
*/
ExtractionResult(const QString& url, const QString& mimetype = QString(), const Flags& flags = ExtractEverything);
ExtractionResult(const ExtractionResult& rhs);
virtual ~ExtractionResult();
/**
* The input url which the plugins will use to locate the file
*/
QString inputUrl() const;
/**
* The input mimetype. This mimetype should correspond with the
* mimetypes supported with the relevant plugin when it is being
* passed to the Extractor
*/
QString inputMimetype() const;
/**
* The flags which the extraction plugin should considering following
* when extracting metadata from the file
*/
Flags inputFlags() const;
/**
* This function is called by plugins when they wish for some plain
* text to be indexed without any property. This generally corresponds
* to the text content in a file
*/
virtual void append(const QString& text) = 0;
/**
* This function is called by the plugins when they wish to
* add a key value pair which should be indexed. This function may be
* called multiple times for the same key.
*
* \p property This specifies a property name. It should be one of the
* properties from the global list of properties.
*
* \p value The value of the property
*/
virtual void add(Property::Property property, const QVariant& value) = 0;
/**
* This function is called by the plugins.
* A type is a higher level classification of the file. A file can
* have multiple types, but mostly when it does, those types are related.
* Eg - Document and Presenentation.
*
* Please choose one type from the list of available types
*/
virtual void addType(Type::Type type) = 0;
private:
class Private;
Private* d;
};
}
Q_DECLARE_OPERATORS_FOR_FLAGS(KFileMetaData::ExtractionResult::Flags)
#endif // _KFILEMETADATA_EXTRACTIONRESULT_H
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