/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/

#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
