1 | // Copyright David Abrahams 2002.
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2 | // Distributed under the Boost Software License, Version 1.0. (See
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3 | // accompanying file LICENSE_1_0.txt or copy at
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4 | // http://www.boost.org/LICENSE_1_0.txt)
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5 | #ifndef PYTYPE_OBJECT_MANAGER_TRAITS_DWA2002716_HPP
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6 | # define PYTYPE_OBJECT_MANAGER_TRAITS_DWA2002716_HPP
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7 |
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8 | # include <boost/python/detail/prefix.hpp>
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9 | # include <boost/python/detail/raw_pyobject.hpp>
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10 | # include <boost/python/cast.hpp>
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11 | # include <boost/python/converter/pyobject_type.hpp>
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12 | # include <boost/python/errors.hpp>
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13 |
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14 | namespace boost { namespace python { namespace converter {
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15 |
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16 | // Provide a forward declaration as a convenience for clients, who all
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17 | // need it.
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18 | template <class T> struct object_manager_traits;
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19 |
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20 | // Derive specializations of object_manager_traits from this class
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21 | // when T is an object manager for a particular Python type hierarchy.
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22 | //
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23 | template <PyTypeObject* pytype, class T>
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24 | struct pytype_object_manager_traits
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25 | : pyobject_type<T, pytype> // provides check()
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26 | {
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27 | BOOST_STATIC_CONSTANT(bool, is_specialized = true);
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28 | static inline python::detail::new_reference adopt(PyObject*);
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29 | };
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30 |
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31 | //
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32 | // implementations
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33 | //
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34 | template <PyTypeObject* pytype, class T>
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35 | inline python::detail::new_reference pytype_object_manager_traits<pytype,T>::adopt(PyObject* x)
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36 | {
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37 | return python::detail::new_reference(python::pytype_check(pytype, x));
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38 | }
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39 |
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40 | }}} // namespace boost::python::converter
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41 |
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42 | #endif // PYTYPE_OBJECT_MANAGER_TRAITS_DWA2002716_HPP
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