[pygccxml-commit] SF.net SVN: pygccxml: [702] pyplusplus_dev/pyplusplus/code_repository/ return_pointee_value.hpp

[<rom...@us...>]

Revision: 702
          http://svn.sourceforge.net/pygccxml/?rev=702&view=rev
Author:   roman_yakovenko
Date:     2006-11-09 03:40:41 -0800 (Thu, 09 Nov 2006)

Log Message:
-----------
adding new call policy - temporal

Added Paths:
-----------
    pyplusplus_dev/pyplusplus/code_repository/return_pointee_value.hpp

Added: pyplusplus_dev/pyplusplus/code_repository/return_pointee_value.hpp
===================================================================
--- pyplusplus_dev/pyplusplus/code_repository/return_pointee_value.hpp	                        (rev 0)
+++ pyplusplus_dev/pyplusplus/code_repository/return_pointee_value.hpp	2006-11-09 11:40:41 UTC (rev 702)
@@ -0,0 +1,60 @@
+// Copyright 2004 Roman Yakovenko.
+// Distributed under the Boost Software License, Version 1.0. (See
+// accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef RETURN_POINTEE_VALUE_9_11_2006
+#define RETURN_POINTEE_VALUE_9_11_2006
+
+#include <boost/python.hpp>
+
+namespace boost{ namespace python{
+    
+namespace detail{
+    
+    struct make_value_holder
+    {
+        template <class T>
+        static PyObject* execute(T* p)
+        {
+            if (p == 0)
+            {
+                return python::detail::none();
+            }
+            else
+            {
+                object p_value( *p );
+                return incref( p_value.ptr() );
+            }
+        }
+    };
+
+    template <class R>
+    struct return_pointee_value_requires_a_pointer_return_type
+    # if defined(__GNUC__) && __GNUC__ >= 3 || defined(__EDG__)
+    {}
+    # endif
+    ;
+
+} //detail
+
+
+struct return_pointee_value
+{
+    template <class T>
+    struct apply
+    {
+        BOOST_STATIC_CONSTANT( bool, ok = is_pointer<T>::value );
+        
+        typedef typename mpl::if_c<
+            ok
+            , to_python_indirect<T, detail::make_value_holder>
+            , detail::return_pointee_value_requires_a_pointer_return_type<T>
+        >::type type;
+    };
+};
+
+
+} } //boost::python 
+
+#endif//RETURN_POINTEE_VALUE_9_11_2006


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