premiere-libtorrent/bindings/python/src/optional.hpp

32 lines
777 B
C++

// Copyright Daniel Wallin 2007. Use, modification and distribution is
// subject to 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 OPTIONAL_070108_HPP
# define OPTIONAL_070108_HPP
# include "boost_python.hpp"
# include <boost/optional.hpp>
template <class T>
struct optional_to_python
{
optional_to_python()
{
boost::python::to_python_converter<
boost::optional<T>, optional_to_python<T>
>();
}
static PyObject* convert(boost::optional<T> const& x)
{
if (!x)
return boost::python::incref(Py_None);
return boost::python::incref(boost::python::object(*x).ptr());
}
};
#endif // OPTIONAL_070108_HPP