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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 | #include <boost/python/module.hpp> | |
6 | #include <boost/python/def.hpp> | |
7 | #include <complex> | |
8 | #include <boost/python/handle.hpp> | |
9 | #include <boost/python/cast.hpp> | |
10 | #include <boost/python/object.hpp> | |
11 | #include <boost/python/detail/wrap_python.hpp> | |
12 | ||
13 | template <class T> | |
14 | struct by_value | |
15 | { | |
16 | static T rewrap(T x) | |
17 | { | |
18 | return x; | |
19 | } | |
20 | static int size(void) | |
21 | { | |
22 | return sizeof(T); | |
23 | } | |
24 | }; | |
25 | ||
26 | template <class T> | |
27 | struct by_const_reference | |
28 | { | |
29 | static T rewrap(T const& x) | |
30 | { | |
31 | return x; | |
32 | } | |
33 | }; | |
34 | ||
35 | template <class T> | |
36 | struct by_reference | |
37 | { | |
38 | static T rewrap(T& x) | |
39 | { | |
40 | return x; | |
41 | } | |
42 | }; | |
43 | ||
44 | using boost::python::def; | |
45 | using boost::python::handle; | |
46 | using boost::python::object; | |
47 | using boost::python::borrowed; | |
48 | ||
49 | // Used to test that arbitrary handle<>s can be returned | |
50 | handle<PyTypeObject> get_type(handle<> x) | |
51 | { | |
52 | return handle<PyTypeObject>(borrowed(x->ob_type)); | |
53 | } | |
54 | ||
55 | handle<> return_null_handle() | |
56 | { | |
57 | return handle<>(); | |
58 | } | |
59 | ||
60 | char const* rewrap_value_mutable_cstring(char* x) { return x; } | |
61 | ||
62 | object identity_(object x) { return x; } | |
63 | ||
64 | BOOST_PYTHON_MODULE(builtin_converters_ext) | |
65 | { | |
66 | def("get_type", get_type); | |
67 | def("return_null_handle", return_null_handle); | |
68 | ||
69 | // These methods are used solely for getting some C++ type sizes | |
70 | def("bool_size", by_value<bool>::size); | |
71 | def("char_size", by_value<char>::size); | |
72 | def("int_size", by_value<int>::size); | |
73 | def("short_size", by_value<short>::size); | |
74 | def("long_size", by_value<long>::size); | |
75 | #ifdef HAVE_LONG_LONG | |
76 | def("long_long_size", by_value<BOOST_PYTHON_LONG_LONG>::size); | |
77 | #endif | |
78 | ||
79 | def("rewrap_value_bool", by_value<bool>::rewrap); | |
80 | def("rewrap_value_char", by_value<char>::rewrap); | |
81 | def("rewrap_value_signed_char", by_value<signed char>::rewrap); | |
82 | def("rewrap_value_unsigned_char", by_value<unsigned char>::rewrap); | |
83 | def("rewrap_value_int", by_value<int>::rewrap); | |
84 | def("rewrap_value_unsigned_int", by_value<unsigned int>::rewrap); | |
85 | def("rewrap_value_short", by_value<short>::rewrap); | |
86 | def("rewrap_value_unsigned_short", by_value<unsigned short>::rewrap); | |
87 | def("rewrap_value_long", by_value<long>::rewrap); | |
88 | def("rewrap_value_unsigned_long", by_value<unsigned long>::rewrap); | |
89 | // using Python's macro instead of Boost's - we don't seem to get the | |
90 | // config right all the time. | |
91 | #ifdef HAVE_LONG_LONG | |
92 | def("rewrap_value_long_long", by_value<BOOST_PYTHON_LONG_LONG>::rewrap); | |
93 | def("rewrap_value_unsigned_long_long", by_value<unsigned BOOST_PYTHON_LONG_LONG>::rewrap); | |
94 | # endif | |
95 | def("rewrap_value_float", by_value<float>::rewrap); | |
96 | def("rewrap_value_double", by_value<double>::rewrap); | |
97 | def("rewrap_value_long_double", by_value<long double>::rewrap); | |
98 | def("rewrap_value_complex_float", by_value<std::complex<float> >::rewrap); | |
99 | def("rewrap_value_complex_double", by_value<std::complex<double> >::rewrap); | |
100 | def("rewrap_value_complex_long_double", by_value<std::complex<long double> >::rewrap); | |
101 | def("rewrap_value_wstring", | |
102 | # if defined(BOOST_NO_STD_WSTRING) || !defined(Py_USING_UNICODE) | |
103 | identity_ | |
104 | # else | |
105 | by_value<std::wstring>::rewrap | |
106 | # endif | |
107 | ); | |
108 | def("rewrap_value_string", | |
109 | # if defined(BOOST_NO_STD_WSTRING) || !defined(Py_USING_UNICODE) | |
110 | identity_ | |
111 | # else | |
112 | by_value<std::wstring>::rewrap | |
113 | # endif | |
114 | ); | |
115 | def("rewrap_value_string", by_value<std::string>::rewrap); | |
116 | def("rewrap_value_cstring", by_value<char const*>::rewrap); | |
117 | def("rewrap_value_handle", by_value<handle<> >::rewrap); | |
118 | def("rewrap_value_object", by_value<object>::rewrap); | |
119 | ||
120 | // Expose this to illustrate our failings ;-). See test_builtin_converters.py | |
121 | def("rewrap_value_mutable_cstring", rewrap_value_mutable_cstring); | |
122 | ||
123 | ||
124 | def("rewrap_const_reference_bool", by_const_reference<bool>::rewrap); | |
125 | def("rewrap_const_reference_char", by_const_reference<char>::rewrap); | |
126 | def("rewrap_const_reference_signed_char", by_const_reference<signed char>::rewrap); | |
127 | def("rewrap_const_reference_unsigned_char", by_const_reference<unsigned char>::rewrap); | |
128 | def("rewrap_const_reference_int", by_const_reference<int>::rewrap); | |
129 | def("rewrap_const_reference_unsigned_int", by_const_reference<unsigned int>::rewrap); | |
130 | def("rewrap_const_reference_short", by_const_reference<short>::rewrap); | |
131 | def("rewrap_const_reference_unsigned_short", by_const_reference<unsigned short>::rewrap); | |
132 | def("rewrap_const_reference_long", by_const_reference<long>::rewrap); | |
133 | def("rewrap_const_reference_unsigned_long", by_const_reference<unsigned long>::rewrap); | |
134 | // using Python's macro instead of Boost's - we don't seem to get the | |
135 | // config right all the time. | |
136 | # ifdef HAVE_LONG_LONG | |
137 | def("rewrap_const_reference_long_long", by_const_reference<BOOST_PYTHON_LONG_LONG>::rewrap); | |
138 | def("rewrap_const_reference_unsigned_long_long", by_const_reference<unsigned BOOST_PYTHON_LONG_LONG>::rewrap); | |
139 | # endif | |
140 | def("rewrap_const_reference_float", by_const_reference<float>::rewrap); | |
141 | def("rewrap_const_reference_double", by_const_reference<double>::rewrap); | |
142 | def("rewrap_const_reference_long_double", by_const_reference<long double>::rewrap); | |
143 | def("rewrap_const_reference_complex_float", by_const_reference<std::complex<float> >::rewrap); | |
144 | def("rewrap_const_reference_complex_double", by_const_reference<std::complex<double> >::rewrap); | |
145 | def("rewrap_const_reference_complex_long_double", by_const_reference<std::complex<long double> >::rewrap); | |
146 | def("rewrap_const_reference_string", by_const_reference<std::string>::rewrap); | |
147 | def("rewrap_const_reference_cstring", by_const_reference<char const*>::rewrap); | |
148 | def("rewrap_const_reference_handle", by_const_reference<handle<> >::rewrap); | |
149 | def("rewrap_const_reference_object", by_const_reference<object>::rewrap); | |
150 | def("rewrap_reference_object", by_reference<object>::rewrap); | |
151 | } | |
152 |