| /* |
| * Copyright Andrey Semashev 2007 - 2015. |
| * 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) |
| */ |
| /*! |
| * \file as_action.hpp |
| * \author Andrey Semashev |
| * \date 30.03.2008 |
| * |
| * This header contains function object adapter for compatibility with Boost.Spirit actions interface requirements. |
| */ |
| |
| #ifndef BOOST_LOG_UTILITY_FUNCTIONAL_AS_ACTION_HPP_INCLUDED_ |
| #define BOOST_LOG_UTILITY_FUNCTIONAL_AS_ACTION_HPP_INCLUDED_ |
| |
| #include <boost/log/detail/config.hpp> |
| #include <boost/log/detail/header.hpp> |
| |
| #ifdef BOOST_HAS_PRAGMA_ONCE |
| #pragma once |
| #endif |
| |
| namespace boost { |
| |
| BOOST_LOG_OPEN_NAMESPACE |
| |
| //! Function object adapter for Boost.Spirit actions |
| template< typename FunT > |
| struct as_action_adapter |
| { |
| typedef typename FunT::result_type result_type; |
| |
| BOOST_DEFAULTED_FUNCTION(as_action_adapter(), {}) |
| explicit as_action_adapter(FunT const& fun) : m_fun(fun) {} |
| |
| template< typename AttributeT, typename ContextT > |
| result_type operator() (AttributeT const& attr, ContextT const& ctx, bool& pass) const |
| { |
| return m_fun(attr); |
| } |
| |
| private: |
| FunT m_fun; |
| }; |
| |
| template< typename FunT > |
| BOOST_FORCEINLINE as_action_adapter< FunT > as_action(FunT const& fun) |
| { |
| return as_action_adapter< FunT >(fun); |
| } |
| |
| BOOST_LOG_CLOSE_NAMESPACE // namespace log |
| |
| } // namespace boost |
| |
| #include <boost/log/detail/footer.hpp> |
| |
| #endif // BOOST_LOG_UTILITY_FUNCTIONAL_AS_ACTION_HPP_INCLUDED_ |