boost/log/utility/functional/matches.hpp
/*
* 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 matches.hpp
* \author Andrey Semashev
* \date 30.03.2008
*
* This header contains a predicate for checking if the provided string matches a regular expression.
*/
#ifndef BOOST_LOG_UTILITY_FUNCTIONAL_MATCHES_HPP_INCLUDED_
#define BOOST_LOG_UTILITY_FUNCTIONAL_MATCHES_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
namespace aux {
//! The metafunction detects the matching expression kind and returns a tag that is used to specialize \c match_traits
template< typename ExpressionT, typename = void >
struct matching_expression_kind;
//! The matching function implementation
template< typename ExpressionT, typename TagT = typename matching_expression_kind< ExpressionT >::type >
struct match_traits;
} // namespace aux
//! The regex matching functor
struct matches_fun
{
typedef bool result_type;
template< typename StringT, typename ExpressionT >
bool operator() (StringT const& str, ExpressionT const& expr) const
{
typedef aux::match_traits< ExpressionT > impl;
return impl::matches(str, expr);
}
template< typename StringT, typename ExpressionT, typename ArgT >
bool operator() (StringT const& str, ExpressionT const& expr, ArgT const& arg) const
{
typedef aux::match_traits< ExpressionT > impl;
return impl::matches(str, expr, arg);
}
};
BOOST_LOG_CLOSE_NAMESPACE // namespace log
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_UTILITY_FUNCTIONAL_MATCHES_HPP_INCLUDED_