std-pair.hpp
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1 //
2 // Copyright (c) 2023 INRIA
3 //
4 
5 #ifndef __eigenpy_utils_std_pair_hpp__
6 #define __eigenpy_utils_std_pair_hpp__
7 
8 #include <boost/python.hpp>
9 #include <utility>
10 
11 namespace eigenpy {
12 
13 template <typename pair_type>
15  typedef typename pair_type::first_type T1;
16  typedef typename pair_type::second_type T2;
17 
18  static PyObject* convert(const pair_type& pair) {
19  return boost::python::incref(
20  boost::python::make_tuple(pair.first, pair.second).ptr());
21  }
22 
23  static void* convertible(PyObject* obj) {
24  if (!PyTuple_CheckExact(obj)) return 0;
25  if (PyTuple_Size(obj) != 2) return 0;
26  {
27  boost::python::tuple tuple(boost::python::borrowed(obj));
28  boost::python::extract<T1> elt1(tuple[0]);
29  if (!elt1.check()) return 0;
30  boost::python::extract<T2> elt2(tuple[1]);
31  if (!elt2.check()) return 0;
32  }
33  return obj;
34  }
35 
36  static void construct(
37  PyObject* obj,
38  boost::python::converter::rvalue_from_python_stage1_data* memory) {
39  boost::python::tuple tuple(boost::python::borrowed(obj));
40  void* storage =
41  reinterpret_cast<
42  boost::python::converter::rvalue_from_python_storage<pair_type>*>(
43  reinterpret_cast<void*>(memory))
44  ->storage.bytes;
45  new (storage) pair_type(boost::python::extract<T1>(tuple[0]),
46  boost::python::extract<T2>(tuple[1]));
47  memory->convertible = storage;
48  }
49 
50  static PyTypeObject const* get_pytype() {
51  PyTypeObject const* py_type = &PyTuple_Type;
52  return py_type;
53  }
54 
55  static void registration() {
56  boost::python::converter::registry::push_back(
57  &convertible, &construct, boost::python::type_id<pair_type>()
58 #ifndef BOOST_PYTHON_NO_PY_SIGNATURES
59  ,
61 #endif
62  );
63  boost::python::to_python_converter<pair_type, StdPairConverter, true>();
64  }
65 };
66 
67 } // namespace eigenpy
68 
69 #endif // ifndef __eigenpy_utils_std_pair_hpp__
eigenpy
Definition: alignment.hpp:14
eigenpy::StdPairConverter::get_pytype
static PyTypeObject const * get_pytype()
Definition: std-pair.hpp:50
eigenpy::StdPairConverter::convert
static PyObject * convert(const pair_type &pair)
Definition: std-pair.hpp:18
eigenpy::StdPairConverter::registration
static void registration()
Definition: std-pair.hpp:55
eigenpy::StdPairConverter::convertible
static void * convertible(PyObject *obj)
Definition: std-pair.hpp:23
eigenpy::StdPairConverter::construct
static void construct(PyObject *obj, boost::python::converter::rvalue_from_python_stage1_data *memory)
Definition: std-pair.hpp:36
eigenpy::StdPairConverter
Definition: std-pair.hpp:14
eigenpy::StdPairConverter::T2
pair_type::second_type T2
Definition: std-pair.hpp:16
eigenpy::StdPairConverter::T1
pair_type::first_type T1
Definition: std-pair.hpp:15


eigenpy
Author(s): Justin Carpentier, Nicolas Mansard
autogenerated on Sat Nov 2 2024 02:14:45