blob: bc858eb51441836ead31c69e17973a11d5f415a3 [file] [log] [blame]
Alexander Afanasyev8b379052011-08-21 16:58:20 -07001/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil -*- */
2/*
3 * Copyright (c) 2011 University of California, Los Angeles
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License version 2 as
7 * published by the Free Software Foundation;
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 *
18 * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
19 */
20
21#ifndef _CCNB_PARSER_VISITOR_H_
22#define _CCNB_PARSER_VISITOR_H_
23
Alexander Afanasyevf9f4eb02011-12-16 01:51:14 -080024#include "../ccnb-parser-common.h"
Alexander Afanasyev8b379052011-08-21 16:58:20 -070025#include <boost/any.hpp>
26
27namespace ns3 {
28namespace CcnbParser {
29
30/**
31 * \ingroup ccnx-ccnb
32 * \brief Visitor interface that takes one boost::any argument and returns boost::any
33 *
34 * \see http://www.ccnx.org/releases/latest/doc/technical/BinaryEncoding.html
35 * for ccnb encoding format help
36 */
37class Visitor
38{
39public:
40 virtual boost::any visit (Blob&, boost::any)=0; ///< \brief Method accepting BLOB block
41 virtual boost::any visit (Udata&, boost::any)=0; ///< \brief Method accepting UDATA block
42 virtual boost::any visit (Tag&, boost::any)=0; ///< \brief Method accepting TAG block
43 virtual boost::any visit (Attr&, boost::any)=0; ///< \brief Method accepting ATTR block
44 virtual boost::any visit (Dtag&, boost::any)=0; ///< \brief Method accepting DTAG block
45 virtual boost::any visit (Dattr&, boost::any)=0; ///< \brief Method accepting DATTR block
46 virtual boost::any visit (Ext&, boost::any)=0; ///< \brief Method accepting EXT block
Alexander Afanasyev4fa5e842011-11-21 13:38:39 -080047
48 virtual ~Visitor () { }
Alexander Afanasyev8b379052011-08-21 16:58:20 -070049};
50
51}
52}
53
54#endif // _CCNB_PARSER_VISITOR_H_