// Copyright David Abrahams 2002.
// 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 TO_PYTHON_CONVERTER_DWA200221_HPP
# define TO_PYTHON_CONVERTER_DWA200221_HPP

# include 

# include 
# include 
#ifndef BOOST_PYTHON_NO_PY_SIGNATURES
# include 
#endif
# include 

namespace boost { namespace python { 

#if 0 //get_pytype member detection
namespace detail
{
    typedef char yes_type;
    typedef struct {char a[2]; } no_type;
    template struct test_get_pytype1 { };
    template          struct test_get_pytype2 { };

    template yes_type tester(test_get_pytype1*);

    template yes_type tester(test_get_pytype2*);

    template no_type tester(...);

    template
    struct test_get_pytype_base  
    {
        BOOST_STATIC_CONSTANT(bool, value= (sizeof(detail::tester(0)) == sizeof(yes_type)));
    };

    template
    struct test_get_pytype : boost::mpl::bool_ 
    {
    };

}
#endif

template < class T, class Conversion, bool has_get_pytype=false >
struct to_python_converter 
{
#ifndef BOOST_PYTHON_NO_PY_SIGNATURES
    typedef boost::mpl::bool_ HasGetPytype;

    static PyTypeObject const* get_pytype_1(boost::mpl::true_ *)
    {
        return Conversion::get_pytype();
    }

    static PyTypeObject const* get_pytype_1(boost::mpl::false_ *)
    {
        return 0;
    }
    static PyTypeObject const* get_pytype_impl()
    {
        return get_pytype_1((HasGetPytype*)0);
    }
#endif
    
    to_python_converter();
};

//
// implementation
//

template 
to_python_converter::to_python_converter()
{
    typedef converter::as_to_python_function<
        T, Conversion
        > normalized;
            
    converter::registry::insert(
        &normalized::convert
        , type_id()
#ifndef BOOST_PYTHON_NO_PY_SIGNATURES
        , &get_pytype_impl
#endif
        );
}

}} // namespace boost::python

#endif // TO_PYTHON_CONVERTER_DWA200221_HPP