38 lines
1.1 KiB
Plaintext
38 lines
1.1 KiB
Plaintext
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// Copyright David Abrahams 2002.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef PYOBJECT_TYPE_DWA2002720_HPP
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# define PYOBJECT_TYPE_DWA2002720_HPP
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# include <boost/python/cast.hpp>
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namespace boost { namespace python { namespace converter {
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BOOST_PYTHON_DECL PyObject* checked_downcast_impl(PyObject*, PyTypeObject*);
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// Used as a base class for specializations which need to provide
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// Python type checking capability.
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template <class Object, PyTypeObject* pytype>
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struct pyobject_type
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{
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static bool check(PyObject* x)
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{
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return ::PyObject_IsInstance(x, (PyObject*)pytype);
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}
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static Object* checked_downcast(PyObject* x)
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{
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return python::downcast<Object>(
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(checked_downcast_impl)(x, pytype)
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);
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}
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#ifndef BOOST_PYTHON_NO_PY_SIGNATURES
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static PyTypeObject const* get_pytype() { return pytype; }
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#endif
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};
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}}} // namespace boost::python::converter
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#endif // PYOBJECT_TYPE_DWA2002720_HPP
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