/*
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* Copyright Andrey Semashev 2007 - 2015.
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*/
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/*!
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* \file matches.hpp
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* \author Andrey Semashev
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* \date 30.03.2008
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*
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* This header contains a predicate for checking if the provided string matches a regular expression.
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*/
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#ifndef BOOST_LOG_UTILITY_FUNCTIONAL_MATCHES_HPP_INCLUDED_
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#define BOOST_LOG_UTILITY_FUNCTIONAL_MATCHES_HPP_INCLUDED_
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#include <boost/log/detail/config.hpp>
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#include <boost/log/detail/header.hpp>
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#ifdef BOOST_HAS_PRAGMA_ONCE
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#pragma once
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#endif
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namespace boost {
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BOOST_LOG_OPEN_NAMESPACE
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namespace aux {
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//! The metafunction detects the matching expression kind and returns a tag that is used to specialize \c match_traits
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template< typename ExpressionT, typename = void >
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struct matching_expression_kind;
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//! The matching function implementation
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template< typename ExpressionT, typename TagT = typename matching_expression_kind< ExpressionT >::type >
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struct match_traits;
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} // namespace aux
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//! The regex matching functor
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struct matches_fun
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{
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typedef bool result_type;
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template< typename StringT, typename ExpressionT >
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bool operator() (StringT const& str, ExpressionT const& expr) const
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{
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typedef aux::match_traits< ExpressionT > impl;
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return impl::matches(str, expr);
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}
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template< typename StringT, typename ExpressionT, typename ArgT >
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bool operator() (StringT const& str, ExpressionT const& expr, ArgT const& arg) const
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{
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typedef aux::match_traits< ExpressionT > impl;
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return impl::matches(str, expr, arg);
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}
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};
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BOOST_LOG_CLOSE_NAMESPACE // namespace log
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} // namespace boost
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#include <boost/log/detail/footer.hpp>
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#endif // BOOST_LOG_UTILITY_FUNCTIONAL_MATCHES_HPP_INCLUDED_
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