From afebd79d44b75aed3b38e867c65330ba80ddc0ee Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 13 Oct 2009 11:29:26 +0200
Subject: Extended the streaming example

It now shows how to perform stream-oriented, partially in-memory XML
processing using the C++/Tree mapping.
---
 examples/cxx/tree/streaming/serializer.hxx | 81 ++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 examples/cxx/tree/streaming/serializer.hxx

(limited to 'examples/cxx/tree/streaming/serializer.hxx')

diff --git a/examples/cxx/tree/streaming/serializer.hxx b/examples/cxx/tree/streaming/serializer.hxx
new file mode 100644
index 0000000..6ff0114
--- /dev/null
+++ b/examples/cxx/tree/streaming/serializer.hxx
@@ -0,0 +1,81 @@
+// 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>
+
+class serializer_impl;
+
+class serializer
+{
+public:
+  ~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
+  // namespace and qualified name.
+  //
+  template <typename T>
+  void
+  next (const std::string& ns, const std::string& name, const T& x);
+
+private:
+  serializer (const serializer&);
+
+  serializer&
+  operator= (const serializer&);
+
+private:
+  xercesc::DOMElement*
+  create (const std::string& name);
+
+  xercesc::DOMElement*
+  create (const std::string& ns, const std::string& name);
+
+  void
+  serialize (xercesc::DOMElement&);
+
+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));
+  *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));
+  *e << x;
+  serialize (*e);
+}
+
+#endif // SERIALIZER_HXX
-- 
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