/usr/include/boost/python
Edit: /usr/include/boost/python/to_python_converter.hpp (2431B)
// 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<&T::get_pytype>*);
template yes_type tester(test_get_pytype2<&T::get_pytype>*);
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_::value>
{
};
}
#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