Qt Reference Documentation

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
 **     notice, this list of conditions and the following disclaimer.
 **   * Redistributions in binary form must reproduce the above copyright
 **     notice, this list of conditions and the following disclaimer in
 **     the documentation and/or other materials provided with the
 **     distribution.
 **   * Neither the name of The Qt Company Ltd nor the names of its
 **     contributors may be used to endorse or promote products derived
 **     from this software without specific prior written permission.
 **
 **
 ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
 **
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #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