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1 | // Copyright Jim Bosch 2010-2012. |
2 | // Copyright Stefan Seefeld 2016. | |
3 | // Distributed under the Boost Software License, Version 1.0. | |
4 | // (See accompanying file LICENSE_1_0.txt or copy at | |
5 | // http://www.boost.org/LICENSE_1_0.txt) | |
6 | ||
7 | #ifndef boost_python_numpy_numpy_object_mgr_traits_hpp_ | |
8 | #define boost_python_numpy_numpy_object_mgr_traits_hpp_ | |
9 | ||
10 | /** | |
11 | * @brief Macro that specializes object_manager_traits by requiring a | |
12 | * source-file implementation of get_pytype(). | |
13 | */ | |
14 | ||
15 | #define NUMPY_OBJECT_MANAGER_TRAITS(manager) \ | |
16 | template <> \ | |
17 | struct object_manager_traits<manager> \ | |
18 | { \ | |
19 | BOOST_STATIC_CONSTANT(bool, is_specialized = true); \ | |
20 | static inline python::detail::new_reference adopt(PyObject* x) \ | |
21 | { \ | |
22 | return python::detail::new_reference(python::pytype_check((PyTypeObject*)get_pytype(), x)); \ | |
23 | } \ | |
24 | static bool check(PyObject* x) \ | |
25 | { \ | |
26 | return ::PyObject_IsInstance(x, (PyObject*)get_pytype()); \ | |
27 | } \ | |
28 | static manager* checked_downcast(PyObject* x) \ | |
29 | { \ | |
30 | return python::downcast<manager>((checked_downcast_impl)(x, (PyTypeObject*)get_pytype())); \ | |
31 | } \ | |
32 | static PyTypeObject const * get_pytype(); \ | |
33 | } | |
34 | ||
35 | #endif | |
36 |