From ee4eb695119bce96515b330f9fc83ddd67da5c62 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 2 Dec 2009 12:26:05 +0200
Subject: Implement de-registering polymorphic type information

This is required for DLL/shared library unloading.
---
 libxsd/xsd/cxx/tree/stream-insertion-map.txx | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'libxsd/xsd/cxx/tree/stream-insertion-map.txx')

diff --git a/libxsd/xsd/cxx/tree/stream-insertion-map.txx b/libxsd/xsd/cxx/tree/stream-insertion-map.txx
index c3cf9b5..f9d5745 100644
--- a/libxsd/xsd/cxx/tree/stream-insertion-map.txx
+++ b/libxsd/xsd/cxx/tree/stream-insertion-map.txx
@@ -256,6 +256,13 @@ namespace xsd
 
       template <typename S, typename C>
       void stream_insertion_map<S, C>::
+      unregister_type (const type_id& tid)
+      {
+        type_map_.erase (&tid);
+      }
+
+      template <typename S, typename C>
+      void stream_insertion_map<S, C>::
       insert (ostream<S>& s, const type& x)
       {
         if (const type_info* ti = find (typeid (x)))
@@ -320,6 +327,14 @@ namespace xsd
           xml::qualified_name<C> (name, ns),
           &inserter_impl<S, T>);
       }
+
+      template<unsigned long id, typename S, typename C, typename T>
+      stream_insertion_initializer<id, S, C, T>::
+      ~stream_insertion_initializer (const C* name, const C* ns)
+      {
+        stream_insertion_map_instance<id, S, C> ().unregister_type (
+          typeid (T));
+      }
     }
   }
 }
-- 
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