ecency-mobile/ios/Pods/boost-for-react-native/boost/log/support/xpressive.hpp

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2.4 KiB
C++

/*
* 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 support/xpressive.hpp
* \author Andrey Semashev
* \date 18.07.2009
*
* This header enables Boost.Xpressive support for Boost.Log.
*/
#ifndef BOOST_LOG_SUPPORT_XPRESSIVE_HPP_INCLUDED_
#define BOOST_LOG_SUPPORT_XPRESSIVE_HPP_INCLUDED_
#include <string>
#include <boost/xpressive/basic_regex.hpp>
#include <boost/xpressive/regex_constants.hpp>
#include <boost/xpressive/regex_algorithms.hpp>
#include <boost/log/detail/config.hpp>
#include <boost/log/utility/functional/matches.hpp>
#include <boost/log/detail/header.hpp>
#ifdef BOOST_HAS_PRAGMA_ONCE
#pragma once
#endif
namespace boost {
BOOST_LOG_OPEN_NAMESPACE
namespace aux {
//! This tag type is used if an expression is recognized as a Boost.Xpressive expression
struct boost_xpressive_expression_tag;
//! The metafunction detects the matching expression kind and returns a tag that is used to specialize \c match_traits
template< typename T >
struct matching_expression_kind< xpressive::basic_regex< T > >
{
typedef boost_xpressive_expression_tag type;
};
//! The matching function implementation
template< typename ExpressionT >
struct match_traits< ExpressionT, boost_xpressive_expression_tag >
{
typedef ExpressionT compiled_type;
static compiled_type compile(ExpressionT const& expr) { return expr; }
template< typename StringT, typename T >
static bool matches(StringT const& str, xpressive::basic_regex< T > const& expr, xpressive::regex_constants::match_flag_type flags = xpressive::regex_constants::match_default)
{
return xpressive::regex_match(str, expr, flags);
}
template< typename CharT, typename TraitsT, typename AllocatorT >
static bool matches(std::basic_string< CharT, TraitsT, AllocatorT > const& str, xpressive::basic_regex< const CharT* > const& expr, xpressive::regex_constants::match_flag_type flags = xpressive::regex_constants::match_default)
{
const CharT* p = str.c_str();
return xpressive::regex_match(p, p + str.size(), expr, flags);
}
};
} // namespace aux
BOOST_LOG_CLOSE_NAMESPACE // namespace log
} // namespace boost
#include <boost/log/detail/footer.hpp>
#endif // BOOST_LOG_SUPPORT_XPRESSIVE_HPP_INCLUDED_