1 // Copyright David Abrahams 2002.
2 // Distributed under the Boost Software License, Version 1.0. (See
3 // accompanying file LICENSE_1_0.txt or copy at
4 // http://www.boost.org/LICENSE_1_0.txt)
5
6 #include <boost/python/module.hpp>
7 #include "test_class.hpp"
8 #include <boost/python/class.hpp>
9 #include <boost/python/extract.hpp>
10 #include <boost/python/def.hpp>
11 #include <boost/python/implicit.hpp>
12
13 #include <boost/detail/workaround.hpp>
14
15 #include <memory>
16
17 using namespace boost::python;
18
19 typedef test_class<> X;
20
21 struct Y : X
22 {
YY23 Y(int n) : X(n) {};
24 };
25
look(std::auto_ptr<X> const & x)26 int look(std::auto_ptr<X> const& x)
27 {
28 return (x.get()) ? x->value() : -1;
29 }
30
steal(std::auto_ptr<X> x)31 int steal(std::auto_ptr<X> x)
32 {
33 return x->value();
34 }
35
maybe_steal(std::auto_ptr<X> & x,bool doit)36 int maybe_steal(std::auto_ptr<X>& x, bool doit)
37 {
38 int n = x->value();
39 if (doit)
40 x.release();
41 return n;
42 }
43
make()44 std::auto_ptr<X> make()
45 {
46 return std::auto_ptr<X>(new X(77));
47 }
48
callback(object f)49 std::auto_ptr<X> callback(object f)
50 {
51 std::auto_ptr<X> x(new X(77));
52 return call<std::auto_ptr<X> >(f.ptr(), x);
53 }
54
extract_(object o)55 std::auto_ptr<X> extract_(object o)
56 {
57 return extract<std::auto_ptr<X>&>(o)
58 #if BOOST_MSVC <= 1300
59 ()
60 #endif
61 ;
62 }
63
BOOST_PYTHON_MODULE(auto_ptr_ext)64 BOOST_PYTHON_MODULE(auto_ptr_ext)
65 {
66 class_<X, std::auto_ptr<X>, boost::noncopyable>("X", init<int>())
67 .def("value", &X::value)
68 ;
69
70 class_<Y, std::auto_ptr<Y>, bases<X>, boost::noncopyable>("Y", init<int>())
71 ;
72
73 // VC6 auto_ptrs do not have converting constructors
74 #if BOOST_WORKAROUND(BOOST_DINKUMWARE_STDLIB, < 306)
75 scope().attr("broken_auto_ptr") = 1;
76 #else
77 scope().attr("broken_auto_ptr") = 0;
78 implicitly_convertible<std::auto_ptr<Y>, std::auto_ptr<X> >();
79 #endif
80
81 def("look", look);
82 def("steal", steal);
83 def("maybe_steal", maybe_steal);
84 def("make", make);
85 def("callback", callback);
86 def("extract", extract_);
87 }
88
89 #include "module_tail.cpp"
90
91