Chris@16: // Copyright David Abrahams 2001.
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: #ifndef CLASS_WRAPPER_DWA20011221_HPP
Chris@16: # define CLASS_WRAPPER_DWA20011221_HPP
Chris@16: 
Chris@16: # include <boost/python/to_python_converter.hpp>
Chris@16: #ifndef BOOST_PYTHON_NO_PY_SIGNATURES
Chris@16: # include <boost/python/converter/pytype_function.hpp>
Chris@16: #endif
Chris@16: # include <boost/ref.hpp>
Chris@16: 
Chris@16: namespace boost { namespace python { namespace objects { 
Chris@16: 
Chris@16: //
Chris@16: // These two classes adapt the static execute function of a class
Chris@16: // MakeInstance execute() function returning a new PyObject*
Chris@16: // reference. The first one is used for class copy constructors, and
Chris@16: // the second one is used to handle smart pointers.
Chris@16: //
Chris@16: 
Chris@16: template <class Src, class MakeInstance>
Chris@16: struct class_cref_wrapper
Chris@16:     : to_python_converter<Src,class_cref_wrapper<Src,MakeInstance> ,true>
Chris@16: {
Chris@16:     static PyObject* convert(Src const& x)
Chris@16:     {
Chris@16:         return MakeInstance::execute(boost::ref(x));
Chris@16:     }
Chris@16: #ifndef BOOST_PYTHON_NO_PY_SIGNATURES
Chris@16:     static PyTypeObject const *get_pytype() { return converter::registered_pytype_direct<Src>::get_pytype(); }
Chris@16: #endif
Chris@16: };
Chris@16: 
Chris@16: template <class Src, class MakeInstance>
Chris@16: struct class_value_wrapper
Chris@16:     : to_python_converter<Src,class_value_wrapper<Src,MakeInstance> ,true>
Chris@16: {
Chris@16:     static PyObject* convert(Src x)
Chris@16:     {
Chris@16:         return MakeInstance::execute(x);
Chris@16:     }
Chris@16: #ifndef BOOST_PYTHON_NO_PY_SIGNATURES
Chris@16:     static PyTypeObject const *get_pytype() { return MakeInstance::get_pytype(); }
Chris@16: #endif
Chris@16: };
Chris@16: 
Chris@16: }}} // namespace boost::python::objects
Chris@16: 
Chris@16: #endif // CLASS_WRAPPER_DWA20011221_HPP