91 lines
1.8 KiB
C++
91 lines
1.8 KiB
C++
// 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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#include <boost/python/module.hpp>
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#include "test_class.hpp"
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#include <boost/python/class.hpp>
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#include <boost/python/extract.hpp>
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#include <boost/python/def.hpp>
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#include <boost/python/implicit.hpp>
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#include <boost/detail/workaround.hpp>
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#include <memory>
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using namespace boost::python;
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typedef test_class<> X;
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struct Y : X
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{
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Y(int n) : X(n) {};
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};
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int look(std::auto_ptr<X> const& x)
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{
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return (x.get()) ? x->value() : -1;
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}
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int steal(std::auto_ptr<X> x)
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{
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return x->value();
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}
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int maybe_steal(std::auto_ptr<X>& x, bool doit)
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{
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int n = x->value();
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if (doit)
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x.release();
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return n;
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}
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std::auto_ptr<X> make()
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{
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return std::auto_ptr<X>(new X(77));
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}
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std::auto_ptr<X> callback(object f)
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{
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std::auto_ptr<X> x(new X(77));
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return call<std::auto_ptr<X> >(f.ptr(), x);
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}
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std::auto_ptr<X> extract_(object o)
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{
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return extract<std::auto_ptr<X>&>(o)
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#if BOOST_MSVC <= 1300
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()
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#endif
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;
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}
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BOOST_PYTHON_MODULE(auto_ptr_ext)
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{
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class_<X, std::auto_ptr<X>, boost::noncopyable>("X", init<int>())
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.def("value", &X::value)
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;
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class_<Y, std::auto_ptr<Y>, bases<X>, boost::noncopyable>("Y", init<int>())
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;
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// VC6 auto_ptrs do not have converting constructors
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#if BOOST_WORKAROUND(BOOST_DINKUMWARE_STDLIB, < 306)
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scope().attr("broken_auto_ptr") = 1;
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#else
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scope().attr("broken_auto_ptr") = 0;
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implicitly_convertible<std::auto_ptr<Y>, std::auto_ptr<X> >();
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#endif
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def("look", look);
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def("steal", steal);
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def("maybe_steal", maybe_steal);
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def("make", make);
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def("callback", callback);
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def("extract", extract_);
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}
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#include "module_tail.cpp"
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