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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2011 University of California, Los Angeles
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
*/
#ifndef _CCNB_PARSER_VISITOR_H_
#define _CCNB_PARSER_VISITOR_H_
#include "ns3/ccnb-parser-common.h"
#include <boost/any.hpp>
namespace ns3 {
namespace CcnbParser {
/**
* \ingroup ccnx-ccnb
* \brief Visitor interface that takes one boost::any argument and returns boost::any
*
* \see http://www.ccnx.org/releases/latest/doc/technical/BinaryEncoding.html
* for ccnb encoding format help
*/
class Visitor
{
public:
virtual boost::any visit (Blob&, boost::any)=0; ///< \brief Method accepting BLOB block
virtual boost::any visit (Udata&, boost::any)=0; ///< \brief Method accepting UDATA block
virtual boost::any visit (Tag&, boost::any)=0; ///< \brief Method accepting TAG block
virtual boost::any visit (Attr&, boost::any)=0; ///< \brief Method accepting ATTR block
virtual boost::any visit (Dtag&, boost::any)=0; ///< \brief Method accepting DTAG block
virtual boost::any visit (Dattr&, boost::any)=0; ///< \brief Method accepting DATTR block
virtual boost::any visit (Ext&, boost::any)=0; ///< \brief Method accepting EXT block
virtual ~Visitor () { }
};
}
}
#endif // _CCNB_PARSER_VISITOR_H_