57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
|
|
// Copyright 2015-2019 Antony Polukhin.
|
|
//
|
|
// 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)
|
|
|
|
#include "../b2_workarounds.hpp"
|
|
//[callplugcpp_tutorial3
|
|
#include <boost/dll/import.hpp> // for import_alias
|
|
#include <boost/make_shared.hpp>
|
|
#include <boost/function.hpp>
|
|
#include <iostream>
|
|
#include "../tutorial_common/my_plugin_api.hpp"
|
|
|
|
namespace dll = boost::dll;
|
|
|
|
std::size_t search_for_symbols(const std::vector<boost::dll::fs::path>& plugins) {
|
|
std::size_t plugins_found = 0;
|
|
|
|
for (std::size_t i = 0; i < plugins.size(); ++i) {
|
|
std::cout << "Loading plugin: " << plugins[i] << '\n';
|
|
dll::shared_library lib(plugins[i], dll::load_mode::append_decorations);
|
|
if (!lib.has("create_plugin")) {
|
|
// no such symbol
|
|
continue;
|
|
}
|
|
|
|
// library has symbol, importing...
|
|
typedef boost::shared_ptr<my_plugin_api> (pluginapi_create_t)();
|
|
boost::function<pluginapi_create_t> creator
|
|
= dll::import_alias<pluginapi_create_t>(boost::move(lib), "create_plugin");
|
|
|
|
std::cout << "Matching plugin name: " << creator()->name() << std::endl;
|
|
++ plugins_found;
|
|
}
|
|
|
|
return plugins_found;
|
|
}
|
|
|
|
//]
|
|
|
|
int main(int argc, char* argv[]) {
|
|
BOOST_ASSERT(argc >= 3);
|
|
std::vector<boost::dll::fs::path> plugins;
|
|
plugins.reserve(argc - 1);
|
|
for (int i = 1; i < argc; ++i) {
|
|
if (b2_workarounds::is_shared_library(argv[i])) {
|
|
plugins.push_back(argv[i]);
|
|
}
|
|
}
|
|
|
|
const std::size_t res = search_for_symbols(plugins);
|
|
BOOST_ASSERT(res == 1);
|
|
(void)res;
|
|
}
|