| // Copyright David Abrahams 2002. |
| // Distributed under the Boost Software License, Version 1.0. (See |
| // accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| |
| #include <boost/python/module.hpp> |
| #include <boost/python/def.hpp> |
| #include <boost/python/class.hpp> |
| #include <boost/ref.hpp> |
| #include <boost/python/ptr.hpp> |
| #include <boost/python/return_value_policy.hpp> |
| #include <boost/python/reference_existing_object.hpp> |
| #include <boost/python/call.hpp> |
| #include <boost/python/object.hpp> |
| #define BOOST_ENABLE_ASSERT_HANDLER |
| #include <boost/assert.hpp> |
| |
| using namespace boost::python; |
| BOOST_STATIC_ASSERT(converter::is_object_manager<handle<> >::value); |
| |
| int apply_int_int(PyObject* f, int x) |
| { |
| return call<int>(f, x); |
| } |
| |
| void apply_void_int(PyObject* f, int x) |
| { |
| call<void>(f, x); |
| } |
| |
| struct X |
| { |
| explicit X(int x) : x(x), magic(7654321) { ++counter; } |
| X(X const& rhs) : x(rhs.x), magic(7654321) { ++counter; } |
| ~X() { BOOST_ASSERT(magic == 7654321); magic = 6666666; x = 9999; --counter; } |
| |
| void set(int _x) { BOOST_ASSERT(magic == 7654321); this->x = _x; } |
| int value() const { BOOST_ASSERT(magic == 7654321); return x; } |
| static int count() { return counter; } |
| private: |
| void operator=(X const&); |
| private: |
| int x; |
| long magic; |
| static int counter; |
| }; |
| |
| X apply_X_X(PyObject* f, X x) |
| { |
| return call<X>(f, x); |
| } |
| |
| void apply_void_X_ref(PyObject* f, X& x) |
| { |
| call<void>(f, boost::ref(x)); |
| } |
| |
| X& apply_X_ref_handle(PyObject* f, handle<> obj) |
| { |
| return call<X&>(f, obj); |
| } |
| |
| X* apply_X_ptr_handle_cref(PyObject* f, handle<> const& obj) |
| { |
| return call<X*>(f, obj); |
| } |
| |
| void apply_void_X_cref(PyObject* f, X const& x) |
| { |
| call<void>(f, boost::cref(x)); |
| } |
| |
| void apply_void_X_ptr(PyObject* f, X* x) |
| { |
| call<void>(f, ptr(x)); |
| } |
| |
| void apply_void_X_deep_ptr(PyObject* f, X* x) |
| { |
| call<void>(f, x); |
| } |
| |
| char const* apply_cstring_cstring(PyObject* f, char const* s) |
| { |
| return call<char const*>(f, s); |
| } |
| |
| char const* apply_cstring_pyobject(PyObject* f, PyObject* s) |
| { |
| return call<char const*>(f, borrowed(s)); |
| } |
| |
| char apply_char_char(PyObject* f, char c) |
| { |
| return call<char>(f, c); |
| } |
| |
| char const* apply_to_string_literal(PyObject* f) |
| { |
| return call<char const*>(f, "hello, world"); |
| } |
| |
| handle<> apply_to_own_type(handle<> x) |
| { |
| // Tests that we can return handle<> from a callback and that we |
| // can pass arbitrary handle<T>. |
| return call<handle<> >(x.get(), type_handle(borrowed(x->ob_type))); |
| } |
| |
| object apply_object_object(PyObject* f, object x) |
| { |
| return call<object>(f, x); |
| } |
| |
| int X::counter; |
| |
| BOOST_PYTHON_MODULE(callbacks_ext) |
| { |
| def("apply_object_object", apply_object_object); |
| def("apply_to_own_type", apply_to_own_type); |
| def("apply_int_int", apply_int_int); |
| def("apply_void_int", apply_void_int); |
| def("apply_X_X", apply_X_X); |
| def("apply_void_X_ref", apply_void_X_ref); |
| def("apply_void_X_cref", apply_void_X_cref); |
| def("apply_void_X_ptr", apply_void_X_ptr); |
| def("apply_void_X_deep_ptr", apply_void_X_deep_ptr); |
| |
| def("apply_X_ptr_handle_cref", apply_X_ptr_handle_cref |
| , return_value_policy<reference_existing_object>()); |
| |
| def("apply_X_ref_handle", apply_X_ref_handle |
| , return_value_policy<reference_existing_object>()); |
| |
| def("apply_cstring_cstring", apply_cstring_cstring); |
| def("apply_cstring_pyobject", apply_cstring_pyobject); |
| def("apply_char_char", apply_char_char); |
| def("apply_to_string_literal", apply_to_string_literal); |
| |
| |
| class_<X>("X", init<int>()) |
| .def(init<X const&>()) |
| .def("value", &X::value) |
| .def("set", &X::set) |
| ; |
| |
| def("x_count", &X::count); |
| } |
| |
| #include "module_tail.cpp" |