| 1 | // Copyright 2014 Renato Tegon Forti, Antony Polukhin. |
|---|---|
| 2 | // Copyright Antony Polukhin, 2015-2024. |
| 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 <iostream> |
| 9 | #include <boost/make_shared.hpp> |
| 10 | |
| 11 | // MinGW related workaround |
| 12 | #define BOOST_DLL_FORCE_ALIAS_INSTANTIATION |
| 13 | |
| 14 | //[plugcpp_my_plugin_aggregator |
| 15 | #include <boost/dll/alias.hpp> // for BOOST_DLL_ALIAS |
| 16 | #include "../tutorial_common/my_plugin_api.hpp" |
| 17 | |
| 18 | namespace my_namespace { |
| 19 | |
| 20 | class my_plugin_aggregator : public my_plugin_api { |
| 21 | float aggr_; |
| 22 | my_plugin_aggregator() : aggr_(0) {} |
| 23 | |
| 24 | public: |
| 25 | std::string name() const { |
| 26 | return "aggregator"; |
| 27 | } |
| 28 | |
| 29 | float calculate(float x, float y) { |
| 30 | aggr_ += x + y; |
| 31 | return aggr_; |
| 32 | } |
| 33 | |
| 34 | // Factory method |
| 35 | static boost::shared_ptr<my_plugin_aggregator> create() { |
| 36 | return boost::shared_ptr<my_plugin_aggregator>( |
| 37 | new my_plugin_aggregator() |
| 38 | ); |
| 39 | } |
| 40 | }; |
| 41 | |
| 42 | |
| 43 | BOOST_DLL_ALIAS( |
| 44 | my_namespace::my_plugin_aggregator::create, // <-- this function is exported with... |
| 45 | create_plugin // <-- ...this alias name |
| 46 | ) |
| 47 | |
| 48 | } // namespace my_namespace |
| 49 | //] |
| 50 | |
| 51 | |
| 52 | |
| 53 |