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# metainfo.h Example File

network/torrent/metainfo.h

     /****************************************************************************
     **
     ** Copyright (C) 2015 The Qt Company Ltd.
     ** Contact: http://www.qt.io/licensing/
     **
     ** This file is part of the examples of the Qt Toolkit.
     **
     ** $QT_BEGIN_LICENSE:BSD$
     ** You may use this file under the terms of the BSD license as follows:
     **
     ** "Redistribution and use in source and binary forms, with or without
     ** modification, are permitted provided that the following conditions are
     ** met:
     **   * Redistributions of source code must retain the above copyright
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     **     the documentation and/or other materials provided with the
     **     distribution.
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     **     contributors may be used to endorse or promote products derived
     **     from this software without specific prior written permission.
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     #ifndef METAINFO_H
     #define METAINFO_H

     #include <QByteArray>
     #include <QDateTime>
     #include <QList>
     #include <QMap>
     #include <QString>
     #include <QStringList>
     #include <QVariant>

     struct MetaInfoSingleFile
     {
         qint64 length;
         QByteArray md5sum;
         QString name;
         int pieceLength;
         QList<QByteArray> sha1Sums;
     };

     struct MetaInfoMultiFile
     {
         qint64 length;
         QByteArray md5sum;
         QString path;
     };

     class MetaInfo
     {
     public:
         enum FileForm {
             SingleFileForm,
             MultiFileForm
         };

         MetaInfo();
         void clear();

         bool parse(const QByteArray &data);
         QString errorString() const;

         QByteArray infoValue() const;

         FileForm fileForm() const;
         QString announceUrl() const;
         QStringList announceList() const;
         QDateTime creationDate() const;
         QString comment() const;
         QString createdBy() const;

         // For single file form
         MetaInfoSingleFile singleFile() const;

         // For multifile form
         QList<MetaInfoMultiFile> multiFiles() const;
         QString name() const;
         int pieceLength() const;
         QList<QByteArray> sha1Sums() const;

         // Total size
         qint64 totalSize() const;

     private:
         QString errString;
         QByteArray content;
         QByteArray infoData;

         FileForm metaInfoFileForm;
         MetaInfoSingleFile metaInfoSingleFile;
         QList<MetaInfoMultiFile> metaInfoMultiFiles;
         QString metaInfoAnnounce;
         QStringList metaInfoAnnounceList;
         QDateTime metaInfoCreationDate;
         QString metaInfoComment;
         QString metaInfoCreatedBy;
         QString metaInfoName;
         int metaInfoPieceLength;
         QList<QByteArray> metaInfoSha1Sums;
     };

     #endif