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)
8 * \file sink_init_helpers.hpp
9 * \author Andrey Semashev
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.
16 #ifndef BOOST_LOG_DETAIL_SINK_INIT_HELPERS_HPP_INCLUDED_
17 #define BOOST_LOG_DETAIL_SINK_INIT_HELPERS_HPP_INCLUDED_
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>
35 #ifdef BOOST_HAS_PRAGMA_ONCE
41 BOOST_LOG_OPEN_NAMESPACE
45 // The function creates a filter functional object from the provided argument
46 template< typename CharT >
47 inline filter acquire_filter(const CharT* filter)
49 return boost::log::parse_filter(filter);
51 template< typename CharT, typename TraitsT, typename AllocatorT >
52 inline filter acquire_filter(std::basic_string< CharT, TraitsT, AllocatorT > const& filter)
54 return boost::log::parse_filter(filter);
56 template< typename FilterT >
57 inline typename boost::enable_if_c<
58 phoenix::is_actor< FilterT >::value,
60 >::type acquire_filter(FilterT const& filter)
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_)
71 template< typename SinkT, typename ArgsT >
72 inline void setup_filter(SinkT& s, ArgsT const& args, mpl::false_)
74 s.set_filter(aux::acquire_filter(args[keywords::filter]));
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)
82 return boost::log::parse_formatter(formatter);
84 template< typename CharT, typename TraitsT, typename AllocatorT >
85 inline basic_formatter< CharT > acquire_formatter(std::basic_string< CharT, TraitsT, AllocatorT > const& formatter)
87 return boost::log::parse_formatter(formatter);
89 template< typename FormatterT >
90 inline typename boost::enable_if_c<
91 phoenix::is_actor< FormatterT >::value,
93 >::type acquire_formatter(FormatterT const& formatter)
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_)
104 template< typename SinkT, typename ArgsT >
105 inline void setup_formatter(SinkT& s, ArgsT const& args, mpl::false_)
107 s.set_formatter(aux::acquire_formatter(args[keywords::format]));
112 BOOST_LOG_CLOSE_NAMESPACE // namespace log
116 #include <boost/log/detail/footer.hpp>
118 #endif // BOOST_LOG_DETAIL_SINK_INIT_HELPERS_HPP_INCLUDED_