ExtensionBlock.h

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00001 /*
00002 
00003 Copyright (C) 2005-2007 by Peter Dimov.
00004 
00005 This file is part of Calitko (http://www.calitko.org).
00006 
00007 Calitko is free software; you can redistribute it and/or modify
00008 it under the terms of the GNU General Public License as published by
00009 the Free Software Foundation; either version 2 of the License, or
00010 (at your option) any later version.
00011 
00012 Calitko is distributed in the hope that it will be useful,
00013 but WITHOUT ANY WARRANTY; without even the implied warranty of
00014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015 GNU General Public License for more details.
00016 
00017 You should have received a copy of the GNU General Public License
00018 along with Calitko; if not, write to the Free Software
00019 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
00020 
00021 */
00022 
00023 #ifndef PACKETEXTENSIONBLOCK_H
00024 #define PACKETEXTENSIONBLOCK_H
00025 
00026 // Open containing namespaces:
00027 namespace Gnutella {
00028 namespace Packets {
00029 namespace Extensions {
00031 
00032 class Extension;
00033 
00035 
00038 class ExtensionBlock
00039 {
00040 public:
00041     typedef QList <const Extension *> Extensions;
00042 
00043     static const char ExtensionSeparator = 0x1C;
00044 
00045                         ExtensionBlock();
00046                         ExtensionBlock (const ExtensionBlock&);
00047     ExtensionBlock &    operator= (const ExtensionBlock &);
00048                         ~ExtensionBlock();
00049 
00050     bool                prepareRead (const QByteArray &rawData);
00051     void                read (QDataStream &stream);
00052     int                 prepareWrite() const;
00053     void                write (QDataStream &stream) const;
00054 
00055     void                addExtension (const Extension &extension);
00056     Extensions          extensions() const;
00057 
00058 private:
00059     void                deleteExtensions();
00060 
00061     Extensions          extensions_;
00062 };
00063 
00064 // Close containing namespaces:
00065 } // namespace Extensions
00066 } // namespace Packets
00067 } // namespace Gnutella
00069 
00070 #endif // PACKETEXTENSIONBLOCK_H