Chris@16: // Copyright David Abrahams 2002.
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 ARG_FROM_PYTHON_DWA2002128_HPP
Chris@16: # define ARG_FROM_PYTHON_DWA2002128_HPP
Chris@16: 
Chris@16: # include <boost/python/detail/prefix.hpp>
Chris@16: # include <boost/python/converter/arg_from_python.hpp>
Chris@16: # if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) \
Chris@16:     || BOOST_WORKAROUND(BOOST_INTEL_WIN, BOOST_TESTED_AT(800))
Chris@16: # include <boost/type_traits/remove_cv.hpp>
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost { namespace python { 
Chris@16: 
Chris@16: template <class T>
Chris@16: struct arg_from_python
Chris@16:     : converter::select_arg_from_python<
Chris@16: # if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) \
Chris@16:     || BOOST_WORKAROUND(BOOST_INTEL_WIN, BOOST_TESTED_AT(800))
Chris@16:           typename boost::remove_cv<T>::type
Chris@16: # else
Chris@16:           T
Chris@16: # endif 
Chris@16:       >::type
Chris@16: {
Chris@16:     typedef typename converter::select_arg_from_python<
Chris@16: # if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) \
Chris@16:     || BOOST_WORKAROUND(BOOST_INTEL_WIN, BOOST_TESTED_AT(800))
Chris@16:           typename boost::remove_cv<T>::type
Chris@16: # else
Chris@16:           T
Chris@16: # endif 
Chris@16:         >::type base;
Chris@16:     
Chris@16:     arg_from_python(PyObject*);
Chris@16: };
Chris@16: 
Chris@16: // specialization for PyObject*
Chris@16: template <>
Chris@16: struct arg_from_python<PyObject*>
Chris@16: {
Chris@16:     typedef PyObject* result_type;
Chris@16:     
Chris@16:     arg_from_python(PyObject* p) : m_source(p) {}
Chris@16:     bool convertible() const { return true; }
Chris@16:     PyObject* operator()() const { return m_source; }
Chris@16:  private:
Chris@16:     PyObject* m_source;
Chris@16: };
Chris@16: 
Chris@16: template <>
Chris@16: struct arg_from_python<PyObject* const&>
Chris@16: {
Chris@16:     typedef PyObject* const& result_type;
Chris@16:     
Chris@16:     arg_from_python(PyObject* p) : m_source(p) {}
Chris@16:     bool convertible() const { return true; }
Chris@16:     PyObject*const& operator()() const { return m_source; }
Chris@16:  private:
Chris@16:     PyObject* m_source;
Chris@16: };
Chris@16: 
Chris@16: //
Chris@16: // implementations
Chris@16: //
Chris@16: template <class T>
Chris@16: inline arg_from_python<T>::arg_from_python(PyObject* source)
Chris@16:     : base(source)
Chris@16: {
Chris@16: }
Chris@16: 
Chris@16: }} // namespace boost::python
Chris@16: 
Chris@16: #endif // ARG_FROM_PYTHON_DWA2002128_HPP