First step of refactoring code (ccnx prefix => ndn prefix)
diff --git a/helper/ndn-decoding-helper.cc b/helper/ndn-decoding-helper.cc
new file mode 100644
index 0000000..4e5e6b8
--- /dev/null
+++ b/helper/ndn-decoding-helper.cc
@@ -0,0 +1,60 @@
+/* -*- 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>
+ */
+
+#include "ndn-decoding-helper.h"
+
+#include "ns3/ndn-interest-header.h"
+
+#include "ccnb-parser/visitors/ccnb-parser-interest-visitor.h"
+
+#include "ccnb-parser/syntax-tree/ccnb-parser-block.h"
+#include "ccnb-parser/syntax-tree/ccnb-parser-dtag.h"
+
+#include "ns3/log.h"
+
+NS_LOG_COMPONENT_DEFINE ("NdnDecodingHelper");
+
+namespace ns3 {
+
+size_t
+NdnDecodingHelper::Deserialize (Buffer::Iterator start, NdnInterestHeader &interest)
+{
+  static CcnbParser::InterestVisitor interestVisitor;
+
+  Buffer::Iterator i = start;
+  Ptr<CcnbParser::Block> root = CcnbParser::Block::ParseBlock (i);
+  root->accept (interestVisitor, &interest);
+  
+  return i.GetDistanceFrom (start);
+}
+
+// size_t
+// NdnDecodingHelper::Deserialize (Buffer::Iterator start, NdnContentObjectHeader &contentObject)
+// {
+//   static CcnbParser::ContentObjectVisitor contentObjectVisitor;
+
+//   Buffer::Iterator i = start;
+//   Ptr<CcnbParser::Block> root = CcnbParser::Block::ParseBlock (i);
+//   root->accept (contentObjectVisitor, &contentObject);
+
+//   return i.GetDistanceFrom (start);
+// }
+
+} // namespace ns3