1 files changed, 83 insertions, 0 deletions
diff --git a/examples/cxx/serializer/polymorphism/supermen-simpl-mixin.cxx b/examples/cxx/serializer/polymorphism/supermen-simpl-mixin.cxx
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+++ b/examples/cxx/serializer/polymorphism/supermen-simpl-mixin.cxx
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+// file      : examples/cxx/serializer/polymorphism/supermen-simpl-mixin.cxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : not copyrighted - public domain
+
+#include "supermen-simpl-mixin.hxx"
+
+//
+//
+void person_simpl::
+pre (const person& p)
+{
+  person_ = &p;
+}
+
+std::string person_simpl::
+name ()
+{
+  return person_->name ();
+}
+
+//
+//
+bool superman_simpl::
+can_fly ()
+{
+  return static_cast<const superman*> (person_)->can_fly ();
+}
+
+//
+//
+unsigned int batman_simpl::
+wing_span ()
+{
+  return static_cast<const batman*> (person_)->wing_span ();
+}
+
+//
+//
+void supermen_simpl::
+pre (const supermen& s)
+{
+  supermen_ = &s;
+  i_ = s.begin ();
+}
+
+bool supermen_simpl::
+person_next ()
+{
+  return i_ != supermen_->end ();
+}
+
+const person& supermen_simpl::
+person ()
+{
+  const ::person& p = **i_++;
+
+  // Map type id to serializer type. We could have also done this in a
+  // custom serializer_map implementation in which case we could simply
+  // pass a pointer to the person instance as type id.
+  //
+  xml_schema::serializer_context& ctx = _context ();
+
+  switch (p.type ())
+  {
+  case person_type:
+    {
+      ctx.type_id (person_sskel::_static_type ());
+      break;
+    }
+  case superman_type:
+    {
+      ctx.type_id (superman_sskel::_static_type ());
+      break;
+    }
+  case batman_type:
+    {
+      ctx.type_id (batman_sskel::_static_type ());
+      break;
+    }
+  }
+
+  return p;
+}