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diff --git a/xsd/examples/cxx/tree/streaming/serializer.hxx b/xsd/examples/cxx/tree/streaming/serializer.hxx
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+// file      : examples/cxx/tree/streaming/serializer.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : not copyrighted - public domain
+
+#ifndef SERIALIZER_HXX
+#define SERIALIZER_HXX
+
+#include <string>
+#include <iosfwd>
+#include <memory> // std::auto_ptr
+
+#include <xercesc/dom/DOMElement.hpp>
+
+#include <xsd/cxx/xml/dom/auto-ptr.hxx>
+#include <xsd/cxx/xml/dom/serialization-header.hxx> // namespace_infomap
+
+class serializer_impl;
+
+class serializer
+{
+public:
+  typedef xsd::cxx::xml::dom::namespace_infomap<char> namespace_infomap;
+
+  ~serializer ();
+  serializer ();
+
+  // Start the serialization process.
+  //
+  void
+  start (std::ostream& is, const std::string& encoding = "UTF-8");
+
+  // Serialize next object model fragment into an element with the specified
+  // name.
+  //
+  template <typename T>
+  void
+  next (const std::string& name, const T& x);
+
+  // Serialize next object model fragment into an element with the specified
+  // name and namespace declarations.
+  //
+  template <typename T>
+  void
+  next (const std::string& name, const namespace_infomap&, const T& x);
+
+  // Serialize next object model fragment into an element with the specified
+  // namespace and qualified name.
+  //
+  template <typename T>
+  void
+  next (const std::string& ns, const std::string& name, const T& x);
+
+  // Serialize next object model fragment into an element with the specified
+  // namespace and qualified name as well as namespace declarations.
+  //
+  template <typename T>
+  void
+  next (const std::string& ns,
+        const std::string& name,
+        const namespace_infomap&,
+        const T& x);
+
+  // The next_open/close functions are like next() but split into two steps.
+  // next_open() serializes the object model fragment into an element leaving
+  // it open while next_close() closes the element.
+  //
+  template <typename T>
+  void
+  next_open (const std::string& name, const T& x);
+
+  template <typename T>
+  void
+  next_open (const std::string& name, const namespace_infomap&, const T& x);
+
+  template <typename T>
+  void
+  next_open (const std::string& ns, const std::string& name, const T& x);
+
+  template <typename T>
+  void
+  next_open (const std::string& ns,
+        const std::string& name,
+        const namespace_infomap&,
+        const T& x);
+
+  void
+  next_close (const std::string& name);
+
+private:
+  serializer (const serializer&);
+
+  serializer&
+  operator= (const serializer&);
+
+private:
+  xercesc::DOMElement*
+  create (const std::string& name, const namespace_infomap&);
+
+  xercesc::DOMElement*
+  create (const std::string& ns,
+          const std::string& name,
+          const namespace_infomap&);
+
+  void
+  serialize (xsd::cxx::xml::dom::auto_ptr<xercesc::DOMElement>);
+
+  void
+  serialize_open (xsd::cxx::xml::dom::auto_ptr<xercesc::DOMElement>);
+
+  void
+  serialize_close (const std::string& name);
+
+private:
+  std::auto_ptr<serializer_impl> impl_;
+};
+
+template <typename T>
+inline void serializer::
+next (const std::string& name, const T& x)
+{
+  xsd::cxx::xml::dom::auto_ptr<xercesc::DOMElement> e (
+    create (name, namespace_infomap ()));
+  *e << x;
+  serialize (e);
+}
+
+template <typename T>
+inline void serializer::
+next (const std::string& name, const namespace_infomap& map, const T& x)
+{
+  xsd::cxx::xml::dom::auto_ptr<xercesc::DOMElement> e (create (name, map));
+  *e << x;
+  serialize (e);
+}
+
+template <typename T>
+inline void serializer::
+next (const std::string& ns, const std::string& name, const T& x)
+{
+  xsd::cxx::xml::dom::auto_ptr<xercesc::DOMElement> e (
+    create (ns, name, namespace_infomap ()));
+  *e << x;
+  serialize (e);
+}
+
+template <typename T>
+inline void serializer::
+next (const std::string& ns,
+      const std::string& name,
+      const namespace_infomap& map,
+      const T& x)
+{
+  xsd::cxx::xml::dom::auto_ptr<xercesc::DOMElement> e (create (ns, name, map));
+  *e << x;
+  serialize (e);
+}
+
+template <typename T>
+inline void serializer::
+next_open (const std::string& name, const T& x)
+{
+  xsd::cxx::xml::dom::auto_ptr<xercesc::DOMElement> e (
+    create (name, namespace_infomap ()));
+  *e << x;
+  serialize_open (e);
+}
+
+template <typename T>
+inline void serializer::
+next_open (const std::string& name, const namespace_infomap& map, const T& x)
+{
+  xsd::cxx::xml::dom::auto_ptr<xercesc::DOMElement> e (create (name, map));
+  *e << x;
+  serialize_open (e);
+}
+
+template <typename T>
+inline void serializer::
+next_open (const std::string& ns, const std::string& name, const T& x)
+{
+  xsd::cxx::xml::dom::auto_ptr<xercesc::DOMElement> e (
+    create (ns, name, namespace_infomap ()));
+  *e << x;
+  serialize_open (e);
+}
+
+template <typename T>
+inline void serializer::
+next_open (const std::string& ns,
+      const std::string& name,
+      const namespace_infomap& map,
+      const T& x)
+{
+  xsd::cxx::xml::dom::auto_ptr<xercesc::DOMElement> e (create (ns, name, map));
+  *e << x;
+  serialize_open (e);
+}
+
+inline void serializer::
+next_close (const std::string& name)
+{
+  serialize_close (name);
+}
+
+#endif // SERIALIZER_HXX