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metainfo.h Example File
^{network/torrent/metainfo.h}

    /****************************************************************************
    **
    ** Copyright (C) 2004-2005 Trolltech AS. All rights reserved.
    **
    ** This file is part of the documentation of the Qt Toolkit.
    **
    ** This file may be used under the terms of the GNU General Public
    ** License version 2.0 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 GNU
    ** General Public Licensing requirements will be met:
    ** http://www.trolltech.com/products/qt/opensource.html
    **
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    ** review the following information:
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    ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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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