blob: e39377022df802f81f8bc2f895c414cc058ac4ed [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#include "ccnb-parser-non-negative-integer-visitor.h"
22
23#include "ns3/ccnb-parser-blob.h"
24#include "ns3/ccnb-parser-udata.h"
25#include <sstream>
26
27namespace ns3 {
28namespace CcnbParser {
29
30boost::any
31NonNegativeIntegerVisitor::visit (Blob &n) //to throw parsing error
32{
33 // Buffer n.m_blob;
Alexander Afanasyeve709f3d2011-08-21 17:55:45 -070034 throw CcnbDecodingException ();
Alexander Afanasyev8b379052011-08-21 16:58:20 -070035}
36
37boost::any
38NonNegativeIntegerVisitor::visit (Udata &n)
39{
40 // std::string n.m_udata;
41 std::istringstream is (n.m_udata);
42 int32_t value;
43 is >> value;
44 if (value<0) // value should be non-negative
Alexander Afanasyeve709f3d2011-08-21 17:55:45 -070045 throw CcnbDecodingException ();
Alexander Afanasyev8b379052011-08-21 16:58:20 -070046
47 return static_cast<uint32_t> (value);
48}
49
50}
51}