1// Copyright 2016 Klemens Morgenstern
2//
3// Distributed under the Boost Software License, Version 1.0.
4// (See accompanying file LICENSE_1_0.txt
5// or copy at http://www.boost.org/LICENSE_1_0.txt)
6
7// For more information, see http://www.boost.org
8
9#include "../b2_workarounds.hpp" // contains dll_test::replace_with_full_path
10
11//[import_class_setup
12
13#include <boost/dll/smart_library.hpp>
14#include <boost/dll/import_mangled.hpp>
15#include <boost/dll/import_class.hpp>
16
17
18
19int main(int argc, char* argv[]) {
20 /*<-*/ b2_workarounds::argv_to_path_guard guard(argc, argv); /*->*/
21 boost::dll::fs::path lib_path(argv[1]); // argv[1] contains path to directory with our plugin library
22 smart_library lib(lib_path);// smart library instance
23//]
24//[import_class_size
25 auto size_f = import_mangled<std::size_t()>("space::my_plugin::size"); //get the size function
26
27 auto size = (*size_f)(); // get the size of the class
28//]
29//[import_class_value
30 auto value = import_mangled<int>(lib, name: "space::my_plugin::value");
31//]
32//[import_class_ctor
33 auto cl = import_class<class alias, const std::string&>(lib, "space::my_plugin::some_class", size, "MyName");
34//]
35//[import_class_name
36 auto name = import_mangled<const alias, std::string()>(lib, name: "name");
37 std::cout << "Name: " << (cl->*name)() << std::endl;
38//]
39//[import_class_calc
40 auto calc = import_mangled<alias, float(float, float), int(int, int)>(lib, name: "calculate");
41 std::cout << "Calc(float): " (cl->*calc)(5.f, 2.f) << std::endl;
42 std::cout << "Calc(int): " (cl->*calc)(5, 2) << std::endl;
43//]
44//[import_class_typeinfo
45 std::type_info &ti = cl.get_type_info();
46//]
47}
48

source code of boost/libs/dll/example/mangled/import_class.cpp