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# metainfo.h Example File
network/torrent/metainfo.h

        /****************************************************************************
        **
        ** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.
        **
        ** This file is part of the example classes of the Qt Toolkit.
        **
        ** Licensees holding valid Qt Preview licenses may use this file in
        ** accordance with the Qt Preview License Agreement provided with the
        ** Software.
        **
        ** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
        ** information about Qt Commercial License Agreements.
        **
        ** Contact info@trolltech.com if any conditions of this licensing are
        ** not clear to you.
        **
        ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
        ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        **
        ****************************************************************************/

        #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