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 | #ifndef REGISTRATIONS_DWA2002223_HPP
|
---|
6 | # define REGISTRATIONS_DWA2002223_HPP
|
---|
7 |
|
---|
8 | # include <boost/python/detail/prefix.hpp>
|
---|
9 |
|
---|
10 | # include <boost/python/type_id.hpp>
|
---|
11 |
|
---|
12 | # include <boost/python/converter/convertible_function.hpp>
|
---|
13 | # include <boost/python/converter/constructor_function.hpp>
|
---|
14 | # include <boost/python/converter/to_python_function_type.hpp>
|
---|
15 |
|
---|
16 | # include <boost/detail/workaround.hpp>
|
---|
17 |
|
---|
18 | namespace boost { namespace python { namespace converter {
|
---|
19 |
|
---|
20 | struct lvalue_from_python_chain
|
---|
21 | {
|
---|
22 | convertible_function convert;
|
---|
23 | lvalue_from_python_chain* next;
|
---|
24 | };
|
---|
25 |
|
---|
26 | struct rvalue_from_python_chain
|
---|
27 | {
|
---|
28 | convertible_function convertible;
|
---|
29 | constructor_function construct;
|
---|
30 | rvalue_from_python_chain* next;
|
---|
31 | };
|
---|
32 |
|
---|
33 | struct BOOST_PYTHON_DECL registration
|
---|
34 | {
|
---|
35 | public: // member functions
|
---|
36 | explicit registration(type_info target, bool is_shared_ptr = false);
|
---|
37 |
|
---|
38 | // Convert the appropriately-typed data to Python
|
---|
39 | PyObject* to_python(void const volatile*) const;
|
---|
40 |
|
---|
41 | // Return the class object, or raise an appropriate Python
|
---|
42 | // exception if no class has been registered.
|
---|
43 | PyTypeObject* get_class_object() const;
|
---|
44 |
|
---|
45 | public: // data members. So sue me.
|
---|
46 | const python::type_info target_type;
|
---|
47 |
|
---|
48 | // The chain of eligible from_python converters when an lvalue is required
|
---|
49 | lvalue_from_python_chain* lvalue_chain;
|
---|
50 |
|
---|
51 | // The chain of eligible from_python converters when an rvalue is acceptable
|
---|
52 | rvalue_from_python_chain* rvalue_chain;
|
---|
53 |
|
---|
54 | // The class object associated with this type
|
---|
55 | PyTypeObject* m_class_object;
|
---|
56 |
|
---|
57 | // The unique to_python converter for the associated C++ type.
|
---|
58 | to_python_function_t m_to_python;
|
---|
59 |
|
---|
60 | // True iff this type is a shared_ptr. Needed for special rvalue
|
---|
61 | // from_python handling.
|
---|
62 | const bool is_shared_ptr;
|
---|
63 |
|
---|
64 | # if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003))
|
---|
65 | private:
|
---|
66 | void operator=(registration); // This is not defined, and just keeps MWCW happy.
|
---|
67 | # endif
|
---|
68 | };
|
---|
69 |
|
---|
70 | //
|
---|
71 | // implementations
|
---|
72 | //
|
---|
73 | inline registration::registration(type_info target_type, bool is_shared_ptr)
|
---|
74 | : target_type(target_type)
|
---|
75 | , lvalue_chain(0)
|
---|
76 | , rvalue_chain(0)
|
---|
77 | , m_class_object(0)
|
---|
78 | , m_to_python(0)
|
---|
79 | , is_shared_ptr(is_shared_ptr)
|
---|
80 | {}
|
---|
81 |
|
---|
82 | inline bool operator<(registration const& lhs, registration const& rhs)
|
---|
83 | {
|
---|
84 | return lhs.target_type < rhs.target_type;
|
---|
85 | }
|
---|
86 |
|
---|
87 | }}} // namespace boost::python::converter
|
---|
88 |
|
---|
89 | #endif // REGISTRATIONS_DWA2002223_HPP
|
---|