libs/python/test/data_members.cpp
// Copyright David Abrahams 2002. Permission to copy, use,
// modify, sell and distribute this software is granted provided this
// copyright notice appears in all copies. This software is provided
// "as is" without express or implied warranty, and with no claim as
// to its suitability for any purpose.
#include <boost/python/class.hpp>
#include <boost/python/module.hpp>
#include <boost/python/return_value_policy.hpp>
#include <boost/python/return_by_value.hpp>
#include "test_class.hpp"
#if defined(_AIX) && defined(__EDG_VERSION__) && __EDG_VERSION__ < 245
# include <iostream> // works around a KCC intermediate code generation bug
#endif
using namespace boost::python;
typedef test_class<> X;
struct Y : test_class<1>
{
Y(int v) : test_class<1>(v) {}
Y& operator=(Y const& rhs) { x = rhs.x; return *this; }
};
double get_fair_value(X const& x) { return x.value(); }
struct VarBase
{
VarBase(std::string name_) : name(name_) {}
std::string const name;
std::string get_name1() const { return name; }
};
struct Var : VarBase
{
Var(std::string name_) : VarBase(name_), value(), name2(name.c_str()), y(6) {}
std::string const& get_name2() const { return name; }
float value;
char const* name2;
Y y;
static int static1;
static Y static2;
};
int Var::static1 = 0;
Y Var::static2(0);
// Compilability regression tests
namespace
{
struct trivial
{
trivial() : value(123) {}
double value;
};
struct Color3
{
static const Color3 black;
};
const Color3 Color3::black
#if BOOST_WORKAROUND(__GNUC__, BOOST_TESTED_AT(3))
= {}
#endif
;
void compilability_test()
{
class_<trivial>("trivial")
.add_property("property", make_getter(&trivial::value, return_value_policy<return_by_value>()))
.def_readonly("readonly", &trivial::value)
;
class_< Color3 >("Color3", init< const Color3 & >())
.def_readonly("BLACK", &Color3::black) // line 17
;
}
}
BOOST_PYTHON_MODULE(data_members_ext)
{
class_<X>("X", init<int>())
.def("value", &X::value)
.def("set", &X::set)
.def_readonly("x", &X::x)
.add_property("fair_value", get_fair_value)
;
class_<Y>("Y", init<int>())
.def("value", &Y::value)
.def("set", &Y::set)
.def_readwrite("x", &Y::x)
;
class_<Var>("Var", init<std::string>())
.def_readonly("name", &Var::name)
.def_readonly("name2", &Var::name2)
.def_readwrite("value", &Var::value)
.def_readonly("y", &Var::y)
// Test return_by_value for plain values and for
// pointers... return_by_value was implemented as a
// side-effect of implementing data member support, so it made
// sense to add the test here.
.def("get_name1", &Var::get_name1, return_value_policy<return_by_value>())
.def("get_name2", &Var::get_name2, return_value_policy<return_by_value>())
.add_property("name3", &Var::get_name1)
// Test static data members
.def_readonly("ro1a", &Var::static1)
.def_readonly("ro1b", Var::static1)
.def_readwrite("rw1a", &Var::static1)
.def_readwrite("rw1b", Var::static1)
.def_readonly("ro2a", &Var::static2)
.def_readonly("ro2b", Var::static2)
.def_readwrite("rw2a", &Var::static2)
.def_readwrite("rw2b", Var::static2)
;
}
#include "module_tail.cpp"