| /* |
| example/example14.cpp -- opaque types, passing void pointers |
| |
| Copyright (c) 2015 Wenzel Jakob <wenzel@inf.ethz.ch> |
| |
| All rights reserved. Use of this source code is governed by a |
| BSD-style license that can be found in the LICENSE file. |
| */ |
| |
| #include "example.h" |
| #include <pybind11/stl.h> |
| #include <vector> |
| |
| typedef std::vector<std::string> StringList; |
| |
| void init_ex14(py::module &m) { |
| py::class_<py::opaque<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(); }); |
| |
| m.def("print_opaque_list", [](py::opaque<StringList> &_l) { |
| StringList &l = _l; |
| std::cout << "Opaque list: " << std::endl; |
| for (auto entry : l) |
| std::cout << " " << entry << std::endl; |
| }); |
| |
| m.def("return_void_ptr", []() { return (void *) 1234; }); |
| m.def("print_void_ptr", [](void *ptr) { std::cout << "Got void ptr : " << (uint64_t) ptr << std::endl; }); |
| m.def("return_null_str", []() { return (char *) nullptr; }); |
| m.def("print_null_str", [](char *ptr) { std::cout << "Got null str : " << (uint64_t) ptr << std::endl; }); |
| } |