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-rw-r--r--boost/log/support/std_regex.hpp86
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+/*
+ * Copyright Andrey Semashev 2007 - 2014.
+ * 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/std_regex.hpp
+ * \author Andrey Semashev
+ * \date 19.03.2014
+ *
+ * This header enables \c std::regex support for Boost.Log.
+ */
+
+#ifndef BOOST_LOG_SUPPORT_STD_REGEX_HPP_INCLUDED_
+#define BOOST_LOG_SUPPORT_STD_REGEX_HPP_INCLUDED_
+
+#include <boost/log/detail/config.hpp>
+
+#ifdef BOOST_HAS_PRAGMA_ONCE
+#pragma once
+#endif
+
+#if defined(BOOST_NO_CXX11_HDR_REGEX)
+
+#if defined(__GNUC__)
+#pragma message "Boost.Log: This header requires support for std::regex in the standard library."
+#elif defined(_MSC_VER)
+#pragma message("Boost.Log: This header requires support for std::regex in the standard library.")
+#endif
+
+#else // defined(BOOST_NO_CXX11_HDR_REGEX)
+
+#include <regex>
+#include <string>
+#include <boost/log/utility/functional/matches.hpp>
+#include <boost/log/detail/header.hpp>
+
+namespace boost {
+
+BOOST_LOG_OPEN_NAMESPACE
+
+namespace aux {
+
+//! This tag type is used if an expression is recognized as \c std::regex
+struct std_regex_expression_tag;
+
+//! The metafunction detects the matching expression kind and returns a tag that is used to specialize \c match_traits
+template< typename CharT, typename ReTraitsT >
+struct matching_expression_kind< std::basic_regex< CharT, ReTraitsT > >
+{
+ typedef std_regex_expression_tag type;
+};
+
+//! The matching function implementation
+template< typename ExpressionT >
+struct match_traits< ExpressionT, std_regex_expression_tag >
+{
+ typedef ExpressionT compiled_type;
+ static compiled_type compile(ExpressionT const& expr) { return expr; }
+
+ template< typename StringT, typename CharT, typename ReTraitsT >
+ static bool matches(StringT const& str, std::basic_regex< CharT, ReTraitsT > const& expr, std::regex_constants::match_flag_type flags = std::regex_constants::match_default)
+ {
+ return std::regex_match(str.begin(), str.end(), expr, flags);
+ }
+
+ template< typename CharT, typename StringTraitsT, typename AllocatorT, typename ReTraitsT >
+ static bool matches(std::basic_string< CharT, StringTraitsT, AllocatorT > const& str, std::basic_regex< CharT, ReTraitsT > const& expr, std::regex_constants::match_flag_type flags = std::regex_constants::match_default)
+ {
+ const CharT* p = str.c_str();
+ return std::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 // defined(BOOST_NO_CXX11_HDR_REGEX)
+
+#endif // BOOST_LOG_SUPPORT_STD_REGEX_HPP_INCLUDED_