// 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 PYOBJECT_TYPE_DWA2002720_HPP

# define PYOBJECT_TYPE_DWA2002720_HPP



# include <boost/python/cast.hpp>



namespace boost { namespace python { namespace converter { 



BOOST_PYTHON_DECL PyObject* checked_downcast_impl(PyObject*, PyTypeObject*);



// Used as a base class for specializations which need to provide

// Python type checking capability.

template <class Object, PyTypeObject* pytype>

struct pyobject_type 

{

    static bool check(PyObject* x)

    {

        return ::PyObject_IsInstance(x, (PyObject*)pytype);

    }



    static Object* checked_downcast(PyObject* x)

    {

        return python::downcast<Object>(

            (checked_downcast_impl)(x, pytype)

            );

    }

#ifndef BOOST_PYTHON_NO_PY_SIGNATURES

    static PyTypeObject const* get_pytype() { return pytype; }

#endif

};



}}} // namespace boost::python::converter



#endif // PYOBJECT_TYPE_DWA2002720_HPP

