77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
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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 ARG_FROM_PYTHON_DWA2002128_HPP
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# define ARG_FROM_PYTHON_DWA2002128_HPP
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# include <boost/python/detail/prefix.hpp>
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# include <boost/python/converter/arg_from_python.hpp>
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# if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) \
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|| BOOST_WORKAROUND(BOOST_INTEL_WIN, BOOST_TESTED_AT(800))
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# include <boost/type_traits/remove_cv.hpp>
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#endif
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namespace boost { namespace python {
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template <class T>
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struct arg_from_python
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: converter::select_arg_from_python<
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# if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) \
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|| BOOST_WORKAROUND(BOOST_INTEL_WIN, BOOST_TESTED_AT(800))
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typename boost::remove_cv<T>::type
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# else
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T
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# endif
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>::type
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{
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typedef typename converter::select_arg_from_python<
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# if BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1400)) \
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|| BOOST_WORKAROUND(BOOST_INTEL_WIN, BOOST_TESTED_AT(800))
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typename boost::remove_cv<T>::type
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# else
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T
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# endif
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>::type base;
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arg_from_python(PyObject*);
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};
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// specialization for PyObject*
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template <>
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struct arg_from_python<PyObject*>
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{
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typedef PyObject* result_type;
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arg_from_python(PyObject* p) : m_source(p) {}
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bool convertible() const { return true; }
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PyObject* operator()() const { return m_source; }
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private:
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PyObject* m_source;
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};
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template <>
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struct arg_from_python<PyObject* const&>
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{
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typedef PyObject* const& result_type;
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arg_from_python(PyObject* p) : m_source(p) {}
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bool convertible() const { return true; }
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PyObject*const& operator()() const { return m_source; }
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private:
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PyObject* m_source;
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};
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//
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// implementations
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//
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template <class T>
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inline arg_from_python<T>::arg_from_python(PyObject* source)
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: base(source)
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{
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}
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}} // namespace boost::python
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#endif // ARG_FROM_PYTHON_DWA2002128_HPP
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