/****************************************************************************
**
** 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 BENCODEPARSER_H
#define BENCODEPARSER_H

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

typedef QMap<QByteArray,QVariant> Dictionary;
Q_DECLARE_METATYPE(Dictionary)

class BencodeParser
{
public:
    BencodeParser();
    
    bool parse(const QByteArray &content);
    QString errorString() const;

    QMap<QByteArray, QVariant> dictionary() const;
    QByteArray infoSection() const;

private:
    bool getByteString(QByteArray *byteString);
    bool getInteger(qint64 *integer);
    bool getList(QList<QVariant> *list);
    bool getDictionary(QMap<QByteArray, QVariant> *dictionary);

    QMap<QByteArray, QVariant> dictionaryValue;

    QString errString;
    QByteArray content;
    int index;

    int infoStart;
    int infoLength;
};

#endif
