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+// file : odb/tr1-pointer-traits.hxx
+// author : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_TR1_POINTER_TRAITS_HXX
+#define ODB_TR1_POINTER_TRAITS_HXX
+
+#include <odb/pre.hxx>
+
+// This header assumes that the necessary TR1 header has already
+// been included.
+//
+#include <odb/pointer-traits.hxx>
+
+namespace odb
+{
+ // Specialization for std::tr1::shared_ptr.
+ //
+ template <typename T>
+ class pointer_traits< std::tr1::shared_ptr<T> >
+ {
+ public:
+ typedef T element_type;
+ typedef std::tr1::shared_ptr<element_type> pointer_type;
+ typedef smart_ptr_guard<pointer_type> guard_type;
+
+ static element_type*
+ get_ptr (const pointer_type& p)
+ {
+ return p.get ();
+ }
+
+ static element_type&
+ get_ref (const pointer_type& p)
+ {
+ return *p;
+ }
+
+ static bool
+ null_ptr (const pointer_type& p)
+ {
+ return p.get () == 0;
+ }
+
+ public:
+ static void*
+ allocate (std::size_t n)
+ {
+ return operator new (n);
+ }
+
+ static void
+ free (void* p)
+ {
+ operator delete (p);
+ }
+ };
+
+ // Specialization for std::tr1::weak_ptr.
+ //
+ template <typename T>
+ class pointer_traits< std::tr1::weak_ptr<T> >
+ {
+ public:
+ typedef T element_type;
+ typedef std::tr1::weak_ptr<element_type> pointer_type;
+ typedef std::tr1::shared_ptr<element_type> strong_pointer_type;
+ };
+}
+
+#include <odb/post.hxx>
+
+#endif // ODB_TR1_POINTER_TRAITS_HXX