source: NonGTP/Boost/boost/python/raw_function.hpp @ 857

Revision 857, 1.5 KB checked in by igarcia, 19 years ago (diff)
RevLine 
[857]1// Copyright David Abrahams 2003.
2// Distributed under the Boost Software License, Version 1.0. (See
3// accompanying file LICENSE_1_0.txt or copy at
4// http://www.boost.org/LICENSE_1_0.txt)
5#ifndef RAW_FUNCTION_DWA200336_HPP
6# define RAW_FUNCTION_DWA200336_HPP
7
8# include <boost/python/detail/prefix.hpp>
9
10# include <boost/python/tuple.hpp>
11# include <boost/python/dict.hpp>
12# include <boost/python/object/py_function.hpp>
13# include <boost/mpl/vector/vector10.hpp>
14
15# include <boost/limits.hpp>
16# include <cstddef>
17
18namespace boost { namespace python {
19
20namespace detail
21{
22  template <class F>
23  struct raw_dispatcher
24  {
25      raw_dispatcher(F f) : f(f) {}
26     
27      PyObject* operator()(PyObject* args, PyObject* keywords)
28      {
29          return incref(
30              object(
31                  f(
32                      tuple(borrowed_reference(args))
33                    , keywords ? dict(borrowed_reference(keywords)) : dict()
34                  )
35              ).ptr()
36          );
37      }
38
39   private:
40      F f;
41  };
42
43  object BOOST_PYTHON_DECL make_raw_function(objects::py_function);
44}
45
46template <class F>
47object raw_function(F f, std::size_t min_args = 0)
48{
49    return detail::make_raw_function(
50        objects::py_function(
51            detail::raw_dispatcher<F>(f)
52          , mpl::vector1<PyObject*>()
53          , min_args
54          , (std::numeric_limits<unsigned>::max)()
55        )
56    );
57}
58   
59}} // namespace boost::python
60
61#endif // RAW_FUNCTION_DWA200336_HPP
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