projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | /* |
| 2 | * Copyright Andrey Semashev 2007 - 2015. | |
| 3 | * Distributed under the Boost Software License, Version 1.0. | |
| 4 | * (See accompanying file LICENSE_1_0.txt or copy at | |
| 5 | * http://www.boost.org/LICENSE_1_0.txt) | |
| 6 | */ | |
| 7 | /*! | |
| 8 | * \file support/std_regex.hpp | |
| 9 | * \author Andrey Semashev | |
| 10 | * \date 19.03.2014 | |
| 11 | * | |
| 12 | * This header enables \c std::regex support for Boost.Log. | |
| 13 | */ | |
| 14 | ||
| 15 | #ifndef BOOST_LOG_SUPPORT_STD_REGEX_HPP_INCLUDED_ | |
| 16 | #define BOOST_LOG_SUPPORT_STD_REGEX_HPP_INCLUDED_ | |
| 17 | ||
| 18 | #include <boost/log/detail/config.hpp> | |
| 19 | ||
| 20 | #ifdef BOOST_HAS_PRAGMA_ONCE | |
| 21 | #pragma once | |
| 22 | #endif | |
| 23 | ||
| 24 | #if defined(BOOST_NO_CXX11_HDR_REGEX) | |
| 25 | ||
| 26 | #if defined(__GNUC__) | |
| 27 | #pragma message "Boost.Log: This header requires support for std::regex in the standard library." | |
| 28 | #elif defined(_MSC_VER) | |
| 29 | #pragma message("Boost.Log: This header requires support for std::regex in the standard library.") | |
| 30 | #endif | |
| 31 | ||
| 32 | #else // defined(BOOST_NO_CXX11_HDR_REGEX) | |
| 33 | ||
| 34 | #include <regex> | |
| 35 | #include <string> | |
| 36 | #include <boost/log/utility/functional/matches.hpp> | |
| 37 | #include <boost/log/detail/header.hpp> | |
| 38 | ||
| 39 | namespace boost { | |
| 40 | ||
| 41 | BOOST_LOG_OPEN_NAMESPACE | |
| 42 | ||
| 43 | namespace aux { | |
| 44 | ||
| 45 | //! This tag type is used if an expression is recognized as \c std::regex | |
| 46 | struct std_regex_expression_tag; | |
| 47 | ||
| 48 | //! The metafunction detects the matching expression kind and returns a tag that is used to specialize \c match_traits | |
| 49 | template< typename CharT, typename ReTraitsT > | |
| 50 | struct matching_expression_kind< std::basic_regex< CharT, ReTraitsT > > | |
| 51 | { | |
| 52 | typedef std_regex_expression_tag type; | |
| 53 | }; | |
| 54 | ||
| 55 | //! The matching function implementation | |
| 56 | template< typename ExpressionT > | |
| 57 | struct match_traits< ExpressionT, std_regex_expression_tag > | |
| 58 | { | |
| 59 | typedef ExpressionT compiled_type; | |
| 60 | static compiled_type compile(ExpressionT const& expr) { return expr; } | |
| 61 | ||
| 62 | template< typename StringT, typename CharT, typename ReTraitsT > | |
| 63 | 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) | |
| 64 | { | |
| 65 | return std::regex_match(str.begin(), str.end(), expr, flags); | |
| 66 | } | |
| 67 | ||
| 68 | template< typename CharT, typename StringTraitsT, typename AllocatorT, typename ReTraitsT > | |
| 69 | 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) | |
| 70 | { | |
| 71 | const CharT* p = str.c_str(); | |
| 72 | return std::regex_match(p, p + str.size(), expr, flags); | |
| 73 | } | |
| 74 | }; | |
| 75 | ||
| 76 | } // namespace aux | |
| 77 | ||
| 78 | BOOST_LOG_CLOSE_NAMESPACE // namespace log | |
| 79 | ||
| 80 | } // namespace boost | |
| 81 | ||
| 82 | #include <boost/log/detail/footer.hpp> | |
| 83 | ||
| 84 | #endif // defined(BOOST_NO_CXX11_HDR_REGEX) | |
| 85 | ||
| 86 | #endif // BOOST_LOG_SUPPORT_STD_REGEX_HPP_INCLUDED_ |