examples/network/torrent/bencodeparser.h
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the examples of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #ifndef BENCODEPARSER_H
       
    43 #define BENCODEPARSER_H
       
    44 
       
    45 #include <QByteArray>
       
    46 #include <QMap>
       
    47 #include <QString>
       
    48 #include <QVariant>
       
    49 #include <QList>
       
    50 
       
    51 typedef QMap<QByteArray,QVariant> Dictionary;
       
    52 Q_DECLARE_METATYPE(Dictionary)
       
    53 
       
    54 class BencodeParser
       
    55 {
       
    56 public:
       
    57     BencodeParser();
       
    58     
       
    59     bool parse(const QByteArray &content);
       
    60     QString errorString() const;
       
    61 
       
    62     QMap<QByteArray, QVariant> dictionary() const;
       
    63     QByteArray infoSection() const;
       
    64 
       
    65 private:
       
    66     bool getByteString(QByteArray *byteString);
       
    67     bool getInteger(qint64 *integer);
       
    68     bool getList(QList<QVariant> *list);
       
    69     bool getDictionary(QMap<QByteArray, QVariant> *dictionary);
       
    70 
       
    71     QMap<QByteArray, QVariant> dictionaryValue;
       
    72 
       
    73     QString errString;
       
    74     QByteArray content;
       
    75     int index;
       
    76 
       
    77     int infoStart;
       
    78     int infoLength;
       
    79 };
       
    80 
       
    81 #endif