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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 sink_init_helpers.hpp | |
9 | * \author Andrey Semashev | |
10 | * \date 14.03.2009 | |
11 | * | |
12 | * \brief This header is the Boost.Log library implementation, see the library documentation | |
13 | * at http://www.boost.org/doc/libs/release/libs/log/doc/html/index.html. | |
14 | */ | |
15 | ||
16 | #ifndef BOOST_LOG_DETAIL_SINK_INIT_HELPERS_HPP_INCLUDED_ | |
17 | #define BOOST_LOG_DETAIL_SINK_INIT_HELPERS_HPP_INCLUDED_ | |
18 | ||
19 | #include <string> | |
20 | #include <boost/mpl/bool.hpp> | |
21 | #include <boost/parameter/binding.hpp> | |
22 | #include <boost/type_traits/is_void.hpp> | |
23 | #include <boost/core/enable_if.hpp> | |
24 | #include <boost/phoenix/core/is_actor.hpp> | |
25 | #include <boost/log/detail/config.hpp> | |
26 | #include <boost/log/core/core.hpp> | |
27 | #include <boost/log/expressions/filter.hpp> | |
28 | #include <boost/log/expressions/formatter.hpp> | |
29 | #include <boost/log/utility/setup/filter_parser.hpp> | |
30 | #include <boost/log/utility/setup/formatter_parser.hpp> | |
31 | #include <boost/log/keywords/filter.hpp> | |
32 | #include <boost/log/keywords/format.hpp> | |
33 | #include <boost/log/detail/header.hpp> | |
34 | ||
35 | #ifdef BOOST_HAS_PRAGMA_ONCE | |
36 | #pragma once | |
37 | #endif | |
38 | ||
39 | namespace boost { | |
40 | ||
41 | BOOST_LOG_OPEN_NAMESPACE | |
42 | ||
43 | namespace aux { | |
44 | ||
45 | // The function creates a filter functional object from the provided argument | |
46 | template< typename CharT > | |
47 | inline filter acquire_filter(const CharT* filter) | |
48 | { | |
49 | return boost::log::parse_filter(filter); | |
50 | } | |
51 | template< typename CharT, typename TraitsT, typename AllocatorT > | |
52 | inline filter acquire_filter(std::basic_string< CharT, TraitsT, AllocatorT > const& filter) | |
53 | { | |
54 | return boost::log::parse_filter(filter); | |
55 | } | |
56 | template< typename FilterT > | |
57 | inline typename boost::enable_if_c< | |
58 | phoenix::is_actor< FilterT >::value, | |
59 | FilterT const& | |
60 | >::type acquire_filter(FilterT const& filter) | |
61 | { | |
62 | return filter; | |
63 | } | |
64 | ||
65 | // The function installs filter into the sink, if provided in the arguments pack | |
66 | template< typename SinkT, typename ArgsT > | |
67 | inline void setup_filter(SinkT&, ArgsT const&, mpl::true_) | |
68 | { | |
69 | } | |
70 | ||
71 | template< typename SinkT, typename ArgsT > | |
72 | inline void setup_filter(SinkT& s, ArgsT const& args, mpl::false_) | |
73 | { | |
74 | s.set_filter(aux::acquire_filter(args[keywords::filter])); | |
75 | } | |
76 | ||
77 | ||
78 | // The function creates a filter functional object from the provided argument | |
79 | template< typename CharT > | |
80 | inline basic_formatter< CharT > acquire_formatter(const CharT* formatter) | |
81 | { | |
82 | return boost::log::parse_formatter(formatter); | |
83 | } | |
84 | template< typename CharT, typename TraitsT, typename AllocatorT > | |
85 | inline basic_formatter< CharT > acquire_formatter(std::basic_string< CharT, TraitsT, AllocatorT > const& formatter) | |
86 | { | |
87 | return boost::log::parse_formatter(formatter); | |
88 | } | |
89 | template< typename FormatterT > | |
90 | inline typename boost::enable_if_c< | |
91 | phoenix::is_actor< FormatterT >::value, | |
92 | FormatterT const& | |
93 | >::type acquire_formatter(FormatterT const& formatter) | |
94 | { | |
95 | return formatter; | |
96 | } | |
97 | ||
98 | // The function installs filter into the sink, if provided in the arguments pack | |
99 | template< typename SinkT, typename ArgsT > | |
100 | inline void setup_formatter(SinkT&, ArgsT const&, mpl::true_) | |
101 | { | |
102 | } | |
103 | ||
104 | template< typename SinkT, typename ArgsT > | |
105 | inline void setup_formatter(SinkT& s, ArgsT const& args, mpl::false_) | |
106 | { | |
107 | s.set_formatter(aux::acquire_formatter(args[keywords::format])); | |
108 | } | |
109 | ||
110 | } // namespace aux | |
111 | ||
112 | BOOST_LOG_CLOSE_NAMESPACE // namespace log | |
113 | ||
114 | } // namespace boost | |
115 | ||
116 | #include <boost/log/detail/footer.hpp> | |
117 | ||
118 | #endif // BOOST_LOG_DETAIL_SINK_INIT_HELPERS_HPP_INCLUDED_ |