add Name and Selector classes
diff --git a/src/ccnx-name.cpp b/src/ccnx-name.cpp
new file mode 100644
index 0000000..bc7b9bd
--- /dev/null
+++ b/src/ccnx-name.cpp
@@ -0,0 +1,253 @@
+#include "ccnx-name.h"
+#include <boost/lexical_cast.hpp>
+#include <ctype.h>
+#include <boost/algorithm/string/join.hpp>
+
+namespace Ccnx{
+
+CcnxCharbuf::CcnxCharbuf()
+            : m_buf(NULL)
+{
+  m_buf = ccn_charbuf_create();
+}
+
+CcnxCharbuf::CcnxCharbuf(ccn_charbuf *buf)
+            : m_buf(NULL)
+{
+  if (buf != NULL)
+  {
+    m_buf = ccn_charbuf_create();
+    ccn_charbuf_reserve(m_buf, buf->length);
+    memcpy(m_buf->buf, buf->buf, buf->length);
+    m_buf->length = buf->length;
+  }
+}
+
+CcnxCharbuf::~CcnxCharbuf()
+{
+  ccn_charbuf_destroy(&m_buf);
+}
+
+Name::Name()
+{
+}
+
+Name::Name(const string &name)
+{
+  stringstream ss(name);
+  string compStr;
+  while(getline(ss, compStr, '/'))
+  {
+    Bytes comp(compStr.begin(), compStr.end());
+    m_comps.push_back(comp);
+  }
+}
+
+Name::Name(const vector<Bytes> &comps)
+{
+  m_comps = comps;
+}
+
+Name::Name(const Name &other)
+{
+  m_comps = other.m_comps;
+}
+
+Name::Name(const unsigned char *data, const ccn_indexbuf *comps)
+{
+  for (int i = 0; i < comps->n - 1; i++)
+  {
+    const unsigned char *compPtr;
+    size_t size;
+    ccn_name_comp_get(data, comps, i, &compPtr, &size);
+    Bytes comp;
+    readRaw(comp, compPtr, size);
+    m_comps.push_back(comp);
+  }
+}
+
+CcnxCharbufPtr
+Name::toCcnxCharbuf() const
+{
+  CcnxCharbufPtr ptr(new CcnxCharbuf());
+  ccn_charbuf *cbuf = ptr->getBuf();
+  ccn_name_init(cbuf);
+  int size = m_comps.size();
+  for (int i = 0; i < size; i++)
+  {
+    ccn_name_append(cbuf, head(m_comps[i]), m_comps[i].size());
+  }
+  return ptr;
+}
+
+Name &
+Name::appendComp(const Bytes &comp)
+{
+  m_comps.push_back(comp);
+  return *this;
+}
+
+Name &
+Name::appendComp(const string &compStr)
+{
+  Bytes comp(compStr.begin(), compStr.end());
+  appendComp(comp);
+  return *this;
+}
+
+Bytes
+Name::getComp(int index) const
+{
+  if (index >= m_comps.size())
+  {
+    boost::throw_exception(NameException() << error_info_str("Index out of range: " + boost::lexical_cast<string>(index)));
+  }
+  return m_comps[index];
+}
+
+string
+Name::getCompAsString(int index) const
+{
+  Bytes comp = getComp(index);
+  stringstream ss(stringstream::out);
+  int size = comp.size();
+  for (int i = 0; i < size; i++)
+  {
+    unsigned char ch = comp[i];
+    if (isprint(ch))
+    {
+      ss << (char) ch;
+    }
+    else
+    {
+      ss << "%" << hex << setfill('0') << setw(2) << ch;
+    }
+  }
+
+  return ss.str();
+}
+
+Name
+Name::getPartialName(int start, int n) const
+{
+  int size = m_comps.size();
+  if (start < 0 || start >= size || start + n > size)
+  {
+    stringstream ss(stringstream::out);
+    ss << "getPartialName() parameter out of range! ";
+    ss << "start = " << start;
+    ss << "n = " << n;
+    ss << "size = " << size;
+    boost::throw_exception(NameException() << error_info_str(ss.str()));
+  }
+
+  vector<Bytes> comps;
+  for (int i = 0; i < n; i++)
+  {
+    comps.push_back(m_comps[start + i]);
+  }
+  return Name(comps);
+}
+
+ostream &
+operator <<(ostream &os, const Name &name)
+{
+  int size = name.size();
+  vector<string> strComps;
+  for (int i = 0; i < size; i++)
+  {
+    strComps.push_back(name.getCompAsString(i));
+  }
+  string joined = boost::algorithm::join(strComps, "/");
+  os << "/" << joined;
+  return os;
+}
+
+
+Selectors::Selectors()
+          : m_maxSuffixComps(-1)
+          , m_minSuffixComps(-1)
+          , m_answerOriginKind(AOK_DEFAULT)
+          , m_interestLifetime(-1.0)
+          , m_scope(-1)
+          , m_childSelector(DEFAULT)
+{
+}
+
+Selectors::Selectors(const Selectors &other)
+{
+  m_maxSuffixComps = other.m_maxSuffixComps;
+  m_minSuffixComps = other.m_minSuffixComps;
+  m_answerOriginKind = other.m_answerOriginKind;
+  m_interestLifetime = other.m_interestLifetime;
+  m_scope = other.m_scope;
+  m_childSelector = other.m_childSelector;
+  m_publisherPublicKeyDigest = other.m_publisherPublicKeyDigest;
+}
+
+CcnxCharbufPtr
+Selectors::toCcnxCharbuf()
+{
+  CcnxCharbufPtr ptr(new CcnxCharbuf());
+  ccn_charbuf *cbuf = ptr->getBuf();
+  ccn_charbuf_append_tt(cbuf, CCN_DTAG_Interest, CCN_DTAG);
+  ccn_charbuf_append_tt(cbuf, CCN_DTAG_Name, CCN_DTAG);
+  ccn_charbuf_append_closer(cbuf); // </Name>
+
+  if (m_maxSuffixComps < m_minSuffixComps)
+  {
+    boost::throw_exception(InterestSelectorException() << error_info_str("MaxSuffixComps = " + boost::lexical_cast<string>(m_maxSuffixComps) + " is smaller than  MinSuffixComps = " + boost::lexical_cast<string>(m_minSuffixComps)));
+  }
+
+  if (m_maxSuffixComps > 0)
+  {
+    ccnb_tagged_putf(cbuf, CCN_DTAG_MaxSuffixComponents, "%d", m_maxSuffixComps);
+  }
+
+  if (m_minSuffixComps > 0)
+  {
+    ccnb_tagged_putf(cbuf, CCN_DTAG_MinSuffixComponents, "%d", m_minSuffixComps);
+  }
+
+  if (m_answerOriginKind != AOK_DEFAULT)
+  {
+    // it was not using "ccnb_tagged_putf" in ccnx c code, no idea why
+    ccn_charbuf_append_tt(cbuf, CCN_DTAG_AnswerOriginKind, CCN_DTAG);
+    ccnb_append_number(cbuf, m_answerOriginKind);
+    ccn_charbuf_append_closer(cbuf); // <AnswerOriginKind>
+  }
+
+  if (m_scope != -1)
+  {
+    ccnb_tagged_putf(cbuf, CCN_DTAG_Scope, "%d", m_scope);
+  }
+
+  if (m_interestLifetime > 0.0)
+  {
+    // Ccnx timestamp unit is weird 1/4096 second
+    // this is from their code
+    unsigned lifetime = 4096 * (m_interestLifetime + 1.0/8192.0);
+    if (lifetime == 0 || lifetime > (30 << 12))
+    {
+      boost::throw_exception(InterestSelectorException() << error_info_str("Ccnx requires 0 < lifetime < 30.0. lifetime= " + boost::lexical_cast<string>(m_interestLifetime)));
+    }
+    unsigned char buf[3] = {0};
+    for (int i = sizeof(buf) - 1; i >= 0; i--, lifetime >>= 8)
+    {
+      buf[i] = lifetime & 0xff;
+    }
+    ccnb_append_tagged_blob(cbuf, CCN_DTAG_InterestLifetime, buf, sizeof(buf));
+  }
+
+  if (m_childSelector != DEFAULT)
+  {
+    ccnb_tagged_putf(cbuf, CCN_DTAG_ChildSelector, "%d", m_childSelector);
+  }
+
+
+  ccn_charbuf_append_closer(cbuf); // </Interest>
+
+  return ptr;
+}
+
+} // Ccnx
diff --git a/src/ccnx-tunnel.cpp b/src/ccnx-tunnel.cpp
index 06adae0..037bd8a 100644
--- a/src/ccnx-tunnel.cpp
+++ b/src/ccnx-tunnel.cpp
@@ -28,9 +28,9 @@
 }
 
 int
-CcnxTunnel::sendInterest (const Interest &interest, Closure *closure)
+CcnxTunnel::sendInterest (const string &interest, Closure *closure)
 {
-  string strInterest = interest.name();
+  string strInterest = interest;
   string tunneledInterest = queryRoutableName(strInterest);
   Closure *cp = new TunnelClosure(closure, this, strInterest);
   sendInterest(tunneledInterest, cp);
diff --git a/src/ccnx-wrapper.cpp b/src/ccnx-wrapper.cpp
index d84dc0d..1980e6e 100644
--- a/src/ccnx-wrapper.cpp
+++ b/src/ccnx-wrapper.cpp
@@ -32,17 +32,6 @@
   return &bytes[0];
 }
 
-void
-split(const string &name, Comps &comps)
-{
-  stringstream ss(name);
-  string comp;
-  while(getline(ss, comp, '/'))
-  {
-    comps.push_back(comp);
-  }
-}
-
 CcnxWrapper::CcnxWrapper()
   : m_handle (0)
   , m_keyStore (0)
@@ -386,7 +375,7 @@
   return CCN_UPCALL_RESULT_OK;
 }
 
-int CcnxWrapper::sendInterest (const Interest &interest, Closure *closure)
+int CcnxWrapper::sendInterest (const string &interest, Closure *closure)
 {
   UniqueRecLock(m_mutex);
   if (!m_running || !m_connected)
@@ -395,7 +384,7 @@
   ccn_charbuf *pname = ccn_charbuf_create();
   ccn_closure *dataClosure = new ccn_closure;
 
-  ccn_name_from_uri (pname, interest.name().c_str());
+  ccn_name_from_uri (pname, interest.c_str());
   dataClosure->data = (void *)closure;
 
   dataClosure->p = &incomingData;