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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_STRING_VISITOR_H_
22#define _CCNB_PARSER_STRING_VISITOR_H_
23
24#include "ccnb-parser-no-argu-depth-first-visitor.h"
25
26namespace ns3 {
27namespace CcnbParser {
28
29/**
30 * \ingroup ccnx-ccnb
31 * \brief Visitor to obtain string value from UDATA block
32 *
33 * Will return empty boost::any() if called on anything except UDATA block
34 */
35class StringVisitor : public NoArguDepthFirstVisitor
36{
37public:
38 virtual boost::any visit (Blob &n); ///< Throws parsing error if BLOB object is encountered
39 virtual boost::any visit (Udata &n);
40};
41
42}
43}
44
45#endif // _CCNB_PARSER_STRING_VISITOR_H_