author | Pat Downey <patd@symbian.org> |
Tue, 13 Jul 2010 17:51:34 +0100 | |
branch | RCL_3 |
changeset 43 | 97e3c206731f |
parent 0 | e4d67989cc36 |
permissions | -rw-r--r-- |
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// Copyright Gottfried Ganßauge 2003. |
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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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/* |
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* Generic Return value converter generator for opaque C++-pointers |
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*/ |
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# ifndef RETURN_OPAQUE_POINTER_HPP_ |
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# define RETURN_OPAQUE_POINTER_HPP_ |
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# include <boost/python/detail/prefix.hpp> |
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# include <boost/python/opaque_pointer_converter.hpp> |
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# include <boost/python/detail/force_instantiate.hpp> |
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# include <boost/python/to_python_value.hpp> |
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# include <boost/python/detail/value_arg.hpp> |
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# include <boost/mpl/assert.hpp> |
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namespace boost { namespace python { |
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namespace detail |
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{ |
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template <class Pointee> |
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static void opaque_pointee(Pointee const volatile*) |
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{ |
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force_instantiate(opaque<Pointee>::instance); |
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} |
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} |
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struct return_opaque_pointer |
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{ |
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template <class R> |
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struct apply |
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{ |
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BOOST_MPL_ASSERT_MSG( is_pointer<R>::value, RETURN_OPAQUE_POINTER_EXPECTS_A_POINTER_TYPE, (R)); |
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struct type : |
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boost::python::to_python_value< |
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typename detail::value_arg<R>::type |
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> |
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{ |
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type() { detail::opaque_pointee(R()); } |
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}; |
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}; |
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}; |
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}} // namespace boost::python |
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# endif // RETURN_OPAQUE_POINTER_HPP_ |