New InterestHeader implementation (with a fake serialization for now)

diff --git a/model/name-components.h b/model/name-components.h
new file mode 100644
index 0000000..5c06bd9
--- /dev/null
+++ b/model/name-components.h
@@ -0,0 +1,67 @@
+/* -*-  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: Ilya Moiseenko <iliamo@cs.ucla.edu>
+ */
+
+#ifndef _NDN_NAME_COMPONENTS_H_
+#define _NDN_NAME_COMPONENTS_H_
+
+#include <string>
+#include <list>
+
+#include <ns3/simple-ref-count.h>
+
+namespace ns3 {
+namespace NDNabstraction {
+namespace Name {
+
+class Components : public SimpleRefCount<Components>
+{
+public:
+  Components ();
+  Components (const std::string &s);
+  ~Components ();
+  
+  Components& operator () (const std::string &s);
+  
+  // virtual uint32_t
+  // GetSerializedSize (void) const;
+
+  // virtual void
+  // Serialize (Buffer::Iterator start) const;
+
+  // virtual uint32_t
+  // Deserialize (Buffer::Iterator start);
+
+  void Print (std::ostream &os) const;
+  
+private:
+  std::list<std::string> m_prefix;
+
+  typedef std::list<std::string>::iterator iterator;
+  typedef std::list<std::string>::const_iterator const_iterator;
+};
+
+std::ostream & operator << (std::ostream &os, const Components &components);
+
+} // Namespace Name
+} // namespace NDNabstraction 
+} // namespace ns3
+
+#endif // _NDN_NAME_COMPONENTS_H_
+