model: Slight modification with wire format processing

Now it is possible to convert Name from/to wire format via ndn::Face
helper method (since Face is getting configured with specific wire
format)

Refs #1008 (http://redmine.named-data.net/issues/1008)
diff --git a/model/wire/ndnsim/wire-ndnsim.h b/model/wire/ndnsim/wire-ndnsim.h
new file mode 100644
index 0000000..6e4b1e5
--- /dev/null
+++ b/model/wire/ndnsim/wire-ndnsim.h
@@ -0,0 +1,62 @@
+/** -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/* 
+ * Copyright (c) 2013, Regents of the University of California
+ *                     Alexander Afanasyev
+ * 
+ * GNU 3.0 license, See the LICENSE file for more information
+ * 
+ * Author: Alexander Afanasyev <alexander.afanasyev@ucla.edu>
+ */
+
+#ifndef NDN_WIRE_NDNSIM_SYNTAX_H
+#define NDN_WIRE_NDNSIM_SYNTAX_H
+
+#include "ns3/ptr.h"
+#include "ns3/nstime.h"
+#include "ns3/buffer.h"
+
+#include "ns3/ndn-common.h"
+#include "ns3/ndn-name.h"
+
+NDN_NAMESPACE_BEGIN
+
+namespace wire {
+
+/**
+ * \brief Helper to encode ndnSIM wire elements
+ */
+class NdnSim
+{
+public:
+  /**
+   * @brief Append Name in ndnSIM encoding
+   * @param start Buffer to store serialized Interest
+   * @param name constant reference to Name object
+   *
+   * @returns written length
+   */
+  static size_t
+  SerializeName (Buffer::Iterator &start, const Name &name);
+
+  /**
+   * @brief Estimate size of Name in ndnSIM encoding
+   * @param name constant reference to Name object
+   * @returns estimated length
+   */
+  static size_t
+  SerializedSizeName (const Name &name);
+
+  /**
+   * @brief Deserialize Name from ndnSIM encodeing
+   * @param start Buffer that stores serialized Interest
+   * @param name Name object
+   */
+  static Ptr<Name>
+  DeserializeName (Buffer::Iterator &start);
+}; // NdnSim
+
+} // wire
+
+NDN_NAMESPACE_END
+
+#endif // NDN_WIRE_NDNSIM_SYNTAX_H