Chris@16: /*
Chris@16:  *          Copyright Andrey Semashev 2007 - 2013.
Chris@16:  * Distributed under the Boost Software License, Version 1.0.
Chris@16:  *    (See accompanying file LICENSE_1_0.txt or copy at
Chris@16:  *          http://www.boost.org/LICENSE_1_0.txt)
Chris@16:  */
Chris@16: /*!
Chris@16:  * \file   support/spirit_qi.hpp
Chris@16:  * \author Andrey Semashev
Chris@16:  * \date   19.07.2009
Chris@16:  *
Chris@16:  * This header enables Boost.Spirit.Qi support for Boost.Log.
Chris@16:  */
Chris@16: 
Chris@16: #ifndef BOOST_LOG_SUPPORT_SPIRIT_QI_HPP_INCLUDED_
Chris@16: #define BOOST_LOG_SUPPORT_SPIRIT_QI_HPP_INCLUDED_
Chris@16: 
Chris@16: #include <boost/log/detail/config.hpp>
Chris@16: #include <boost/log/utility/functional/matches.hpp>
Chris@16: #include <boost/spirit/include/qi_parse.hpp>
Chris@16: #include <boost/spirit/include/qi_domain.hpp>
Chris@16: #include <boost/spirit/include/support_component.hpp>
Chris@16: #include <boost/log/detail/header.hpp>
Chris@16: 
Chris@16: #ifdef BOOST_HAS_PRAGMA_ONCE
Chris@16: #pragma once
Chris@16: #endif
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: BOOST_LOG_OPEN_NAMESPACE
Chris@16: 
Chris@16: namespace aux {
Chris@16: 
Chris@16: //! The trait verifies if the type can be converted to a Boost.Spirit.Qi parser
Chris@16: template< typename T >
Chris@16: struct is_spirit_qi_parser< T, true > :
Chris@16:     public spirit::traits::is_component< spirit::qi::domain, T >
Chris@16: {
Chris@16: };
Chris@16: 
Chris@16: //! The matching functor implementation
Chris@16: template< >
Chris@16: struct matches_fun_impl< boost_spirit_qi_expression_tag >
Chris@16: {
Chris@16:     template< typename StringT, typename ParserT >
Chris@16:     static bool matches(
Chris@16:         StringT const& str,
Chris@16:         ParserT const& expr)
Chris@16:     {
Chris@16:         typedef typename StringT::const_iterator const_iterator;
Chris@16:         const_iterator it = str.begin(), end = str.end();
Chris@16:         return (spirit::qi::parse(it, end, expr) && it == end);
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: } // namespace aux
Chris@16: 
Chris@16: BOOST_LOG_CLOSE_NAMESPACE // namespace log
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #include <boost/log/detail/footer.hpp>
Chris@16: 
Chris@16: #endif // BOOST_LOG_SUPPORT_SPIRIT_QI_HPP_INCLUDED_