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[857] | 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 PYOBJECT_TYPE_DWA2002720_HPP
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| 6 | # define PYOBJECT_TYPE_DWA2002720_HPP
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| 7 |
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| 8 | # include <boost/python/cast.hpp>
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| 9 |
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| 10 | namespace boost { namespace python { namespace converter {
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| 11 |
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| 12 | BOOST_PYTHON_DECL PyObject* checked_downcast_impl(PyObject*, PyTypeObject*);
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| 13 |
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| 14 | // Used as a base class for specializations which need to provide
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| 15 | // Python type checking capability.
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| 16 | template <class Object, PyTypeObject* pytype>
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| 17 | struct pyobject_type
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| 18 | {
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| 19 | static bool check(PyObject* x)
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| 20 | {
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| 21 | return ::PyObject_IsInstance(x, (PyObject*)pytype);
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| 22 | }
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| 23 |
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| 24 | static Object* checked_downcast(PyObject* x)
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| 25 | {
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| 26 | return python::downcast<Object>(
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| 27 | (checked_downcast_impl)(x, pytype)
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| 28 | );
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| 29 | }
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| 30 | };
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| 31 |
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| 32 | }}} // namespace boost::python::converter
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| 33 |
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| 34 | #endif // PYOBJECT_TYPE_DWA2002720_HPP
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