1 // Copyright 2014 Renato Tegon Forti, Antony Polukhin. 2 // Copyright 2015-2019 Antony Polukhin. 3 // 4 // Distributed under the Boost Software License, Version 1.0. 5 // (See accompanying file LICENSE_1_0.txt 6 // or copy at http://www.boost.org/LICENSE_1_0.txt) 7 8 #include <vector> 9 #include "../b2_workarounds.hpp" 10 11 //[callplugcpp_tutorial7 12 #include <boost/dll/shared_library.hpp> 13 #include <boost/dll/library_info.hpp> 14 #include <iostream> 15 load_and_execute(const boost::dll::fs::path libraries[],std::size_t libs_count)16void load_and_execute(const boost::dll::fs::path libraries[], std::size_t libs_count) { 17 const std::string username = "User"; 18 19 for (std::size_t i = 0; i < libs_count; ++i) { 20 // Class `library_info` can extract information from a library 21 boost::dll::library_info inf(libraries[i]); 22 23 // Getting symbols exported from 'Anna' section 24 std::vector<std::string> exports = inf.symbols("Anna"); 25 26 // Loading library and importing symbols from it 27 boost::dll::shared_library lib(libraries[i]); 28 for (std::size_t j = 0; j < exports.size(); ++j) { 29 std::cout << "\nFunction '" << exports[j] << "' prints:\n\t"; 30 lib.get_alias<void(const std::string&)>(exports[j]) // importing function 31 (username); // calling function 32 } 33 } 34 } 35 //] 36 main(int argc,char * argv[])37int main(int argc, char* argv[]) { 38 /*<-*/ BOOST_ASSERT(argc >= 3); /*->*/ 39 std::vector<boost::dll::fs::path> libraries; 40 libraries.reserve(argc - 1); 41 for (int i = 1; i < argc; ++i) { 42 if (b2_workarounds::is_shared_library(argv[i])) { 43 libraries.push_back(argv[i]); 44 } 45 } 46 47 load_and_execute(&libraries[0], libraries.size()); 48 } 49