python/test/callbacks.cpp at develop · elmopl/python · GitHub

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// 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"

python/test/callbacks.cpp at develop · elmopl/python · GitHub

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