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opaque type redesign

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This commit is contained in:
Wenzel Jakob
2016-04-28 16:25:24 +02:00
parent f64feaf3e4
commit 06f56ee1e9
7 changed files with 73 additions and 53 deletions
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24
example/example14.cpp
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@@ -18,22 +18,26 @@ public:
StringList stringList;
};
/* IMPORTANT: Disable internal pybind11 translation mechanisms for STL data structures */
PYBIND11_MAKE_OPAQUE(StringList);
void init_ex14(py::module &m) {
py::class_<py::opaque<StringList>>(m, "StringList")
py::class_<StringList>(m, "StringList")
.def(py::init<>())
.def("push_back", [](py::opaque<StringList> &l, const std::string &str) { l->push_back(str); })
.def("pop_back", [](py::opaque<StringList> &l) { l->pop_back(); })
.def("back", [](py::opaque<StringList> &l) { return l->back(); });
.def("pop_back", &StringList::pop_back)
/* There are multiple versions of push_back(), etc. Select the right ones. */
.def("push_back", (void (StringList::*)(const std::string &)) &StringList::push_back)
.def("back", (std::string &(StringList::*)()) &StringList::back)
.def("__len__", [](const StringList &v) { return v.size(); })
.def("__iter__", [](StringList &v) {
return py::make_iterator(v.begin(), v.end());
}, py::keep_alive<0, 1>());
py::class_<ClassWithSTLVecProperty>(m, "ClassWithSTLVecProperty")
.def(py::init<>())
/* Need to cast properties to opaque types to avoid pybind11-internal
STL conversion code from becoming active */
.def_readwrite("stringList", (py::opaque<StringList> ClassWithSTLVecProperty:: *)
&ClassWithSTLVecProperty::stringList);
.def_readwrite("stringList", &ClassWithSTLVecProperty::stringList);
m.def("print_opaque_list", [](py::opaque<StringList> &_l) {
StringList &l = _l;
m.def("print_opaque_list", [](const StringList &l) {
std::cout << "Opaque list: [";
bool first = true;
for (auto entry : l) {