dll/example/mangled/import_class.cpp

48 lines
1.6 KiB
C++

// Copyright 2016 Klemens Morgenstern
//
// 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)
// For more information, see http://www.boost.org
#include "../b2_workarounds.hpp" // contains dll_test::replace_with_full_path
//[import_class_setup
#include <boost/dll/smart_library.hpp>
#include <boost/dll/import_mangled.hpp>
#include <boost/dll/import_class.hpp>
int main(int argc, char* argv[]) {
/*<-*/ b2_workarounds::argv_to_path_guard guard(argc, argv); /*->*/
boost::dll::fs::path lib_path(argv[1]); // argv[1] contains path to directory with our plugin library
smart_library lib(lib_path);// smart library instance
//]
//[import_class_size
auto size_f = import_mangled<std::size_t()>("space::my_plugin::size"); //get the size function
auto size = (*size_f)(); // get the size of the class
//]
//[import_class_value
auto value = import_mangled<int>(lib, "space::my_plugin::value");
//]
//[import_class_ctor
auto cl = import_class<class alias, const std::string&>(lib, "space::my_plugin::some_class", size, "MyName");
//]
//[import_class_name
auto name = import_mangled<const alias, std::string()>(lib, "name");
std::cout << "Name: " << (cl->*name)() << std::endl;
//]
//[import_class_calc
auto calc = import_mangled<alias, float(float, float), int(int, int)>(lib, "calculate");
std::cout << "Calc(float): " (cl->*calc)(5.f, 2.f) << std::endl;
std::cout << "Calc(int): " (cl->*calc)(5, 2) << std::endl;
//]
//[import_class_typeinfo
std::type_info &ti = cl.get_type_info();
//]
}