bencodeparser.h

qt-x11-opensource-src-4.1.4.tar.gz源码

/****************************************************************************
**
** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes 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
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at [e-mail].
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** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
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****************************************************************************/

#ifndef BENCODEPARSER_H
#define BENCODEPARSER_H

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

template<typename T> class 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