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/regex.hpp
Chris@16:  * \author Andrey Semashev
Chris@16:  * \date   18.07.2009
Chris@16:  *
Chris@16:  * This header enables Boost.Regex support for Boost.Log.
Chris@16:  */
Chris@16: 
Chris@16: #ifndef BOOST_LOG_SUPPORT_REGEX_HPP_INCLUDED_
Chris@16: #define BOOST_LOG_SUPPORT_REGEX_HPP_INCLUDED_
Chris@16: 
Chris@16: #include <boost/regex.hpp>
Chris@16: #include <boost/mpl/bool.hpp>
Chris@16: #include <boost/log/detail/config.hpp>
Chris@16: #include <boost/log/utility/functional/matches.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.Regex expression
Chris@16: template< typename T >
Chris@16: struct is_regex< T, true >
Chris@16: {
Chris@16: private:
Chris@16:     typedef char yes_type;
Chris@16:     struct no_type { char dummy[2]; };
Chris@16: 
Chris@16:     template< typename CharT, typename TraitsT >
Chris@16:     static yes_type check_regex(basic_regex< CharT, TraitsT > const&);
Chris@16:     static no_type check_regex(...);
Chris@16:     static T& get_T();
Chris@16: 
Chris@16: public:
Chris@16:     enum { value = sizeof(check_regex(get_T())) == sizeof(yes_type) };
Chris@16:     typedef mpl::bool_< value > type;
Chris@16: };
Chris@16: 
Chris@16: //! The regex matching functor implementation
Chris@16: template< >
Chris@16: struct matches_fun_impl< boost_regex_expression_tag >
Chris@16: {
Chris@16:     template< typename StringT, typename CharT, typename TraitsT >
Chris@16:     static bool matches(
Chris@16:         StringT const& str,
Chris@16:         basic_regex< CharT, TraitsT > const& expr,
Chris@16:         match_flag_type flags = match_default)
Chris@16:     {
Chris@16:         return boost::regex_match(str.begin(), str.end(), expr, flags);
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_REGEX_HPP_INCLUDED_