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/* * 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 console.hpp * \author Andrey Semashev * \date 16.05.2008 * * The header contains implementation of convenience functions for enabling logging to console. / #ifndef BOOST_LOG_UTILITY_SETUP_CONSOLE_HPP_INCLUDED_ #define BOOST_LOG_UTILITY_SETUP_CONSOLE_HPP_INCLUDED_ #include <iostream> #include <boost/type_traits/is_void.hpp> #include <boost/smart_ptr/shared_ptr.hpp> #include <boost/smart_ptr/make_shared_object.hpp> #include <boost/core/null_deleter.hpp> #include <boost/log/detail/config.hpp> #include <boost/log/detail/parameter_tools.hpp> #include <boost/log/detail/sink_init_helpers.hpp> #ifndef BOOST_LOG_NO_THREADS #include <boost/log/sinks/sync_frontend.hpp> #else #include <boost/log/sinks/unlocked_frontend.hpp> #endif #include <boost/log/sinks/text_ostream_backend.hpp> #include <boost/log/keywords/format.hpp> #include <boost/log/keywords/filter.hpp> #include <boost/log/detail/header.hpp> #ifdef BOOST_HAS_PRAGMA_ONCE #pragma once #endif #ifndef BOOST_LOG_DOXYGEN_PASS #ifndef BOOST_LOG_NO_THREADS #define BOOST_LOG_CONSOLE_SINK_FRONTEND_INTERNAL sinks::synchronous_sink #else #define BOOST_LOG_CONSOLE_SINK_FRONTEND_INTERNAL sinks::unlocked_sink #endif #endif // BOOST_LOG_DOXYGEN_PASS namespace boost { BOOST_LOG_OPEN_NAMESPACE namespace aux { // The function creates and initializes the sink template< typename CharT, typename ArgsT > shared_ptr< BOOST_LOG_CONSOLE_SINK_FRONTEND_INTERNAL< sinks::basic_text_ostream_backend< CharT > > > add_console_log(std::basic_ostream< CharT >& strm, ArgsT const& args) { shared_ptr< std::basic_ostream< CharT > > pStream(&strm, boost::null_deleter()); typedef sinks::basic_text_ostream_backend< CharT > backend_t; shared_ptr< backend_t > pBackend = boost::make_shared< backend_t >(args); pBackend->add_stream(pStream); typedef BOOST_LOG_CONSOLE_SINK_FRONTEND_INTERNAL< backend_t > sink_t; shared_ptr< sink_t > pSink = boost::make_shared< sink_t >(pBackend); aux::setup_filter(pSink, args, typename is_void< typename parameter::binding< ArgsT, keywords::tag::filter, void >::type >::type()); aux::setup_formatter(pSink, args, typename is_void< typename parameter::binding< ArgsT, keywords::tag::format, void >::type >::type()); core::get()->add_sink(pSink); return pSink; } template< typename CharT > struct default_console_stream; #ifdef BOOST_LOG_USE_CHAR template< > struct default_console_stream< char > { static std::ostream& get() { return std::clog; } }; #endif // BOOST_LOG_USE_CHAR #ifdef BOOST_LOG_USE_WCHAR_T template< > struct default_console_stream< wchar_t > { static std::wostream& get() { return std::wclog; } }; #endif // BOOST_LOG_USE_WCHAR_T } // namespace aux #ifndef BOOST_LOG_DOXYGEN_PASS template< typename CharT > inline shared_ptr< BOOST_LOG_CONSOLE_SINK_FRONTEND_INTERNAL< sinks::basic_text_ostream_backend< CharT > > > add_console_log() { return aux::add_console_log( aux::default_console_stream< CharT >::get(), log::aux::empty_arg_list()); } template< typename CharT > inline shared_ptr< BOOST_LOG_CONSOLE_SINK_FRONTEND_INTERNAL< sinks::basic_text_ostream_backend< CharT > > > add_console_log(std::basic_ostream< CharT >& strm) { return aux::add_console_log(strm, log::aux::empty_arg_list()); } template< typename CharT, typename ArgT1 > inline shared_ptr< BOOST_LOG_CONSOLE_SINK_FRONTEND_INTERNAL< sinks::basic_text_ostream_backend< CharT > > > add_console_log(std::basic_ostream< CharT >& strm, ArgT1 const& arg1) { return aux::add_console_log(strm, arg1); } template< typename CharT, typename ArgT1, typename ArgT2 > inline shared_ptr< BOOST_LOG_CONSOLE_SINK_FRONTEND_INTERNAL< sinks::basic_text_ostream_backend< CharT > > > add_console_log(std::basic_ostream< CharT >& strm, ArgT1 const& arg1, ArgT2 const& arg2) { return aux::add_console_log(strm, (arg1, arg2)); } template< typename CharT, typename ArgT1, typename ArgT2, typename ArgT3 > inline shared_ptr< BOOST_LOG_CONSOLE_SINK_FRONTEND_INTERNAL< sinks::basic_text_ostream_backend< CharT > > > add_console_log(std::basic_ostream< CharT >& strm, ArgT1 const& arg1, ArgT2 const& arg2, ArgT3 const& arg3) { return aux::add_console_log(strm, (arg1, arg2, arg3)); } template< typename CharT, typename ArgT1, typename ArgT2, typename ArgT3, typename ArgT4 > inline shared_ptr< BOOST_LOG_CONSOLE_SINK_FRONTEND_INTERNAL< sinks::basic_text_ostream_backend< CharT > > > add_console_log(std::basic_ostream< CharT >& strm, ArgT1 const& arg1, ArgT2 const& arg2, ArgT3 const& arg3, ArgT3 const& arg4) { return aux::add_console_log(strm, (arg1, arg2, arg3, arg4)); } #else // BOOST_LOG_DOXYGEN_PASS /! * The function constructs sink for the specified console stream and adds it to the core * * \param strm One of the standard console streams: <tt>std::cout</tt>, <tt>std::cerr</tt> or <tt>std::clog</tt> * (or the corresponding wide-character analogues). * \param args Optional additional named arguments for the sink initialization. The following arguments are supported: * \li \c filter Specifies a filter to install into the sink. May be a string that represents a filter, * or a filter lambda expression. * \li \c format Specifies a formatter to install into the sink. May be a string that represents a formatter, * or a formatter lambda expression (either streaming or Boost.Format-like notation). * \li \c auto_flush A boolean flag that shows whether the sink should automatically flush the stream * after each written record. * \li \c auto_newline_mode - Specifies automatic trailing newline insertion mode. Must be a value of * the \c auto_newline_mode enum. By default, is <tt>auto_newline_mode::insert_if_missing</tt>. * \return Pointer to the constructed sink. / template< typename CharT, typename... ArgsT > shared_ptr< BOOST_LOG_CONSOLE_SINK_FRONTEND_INTERNAL< sinks::basic_text_ostream_backend< CharT > > > add_console_log(std::basic_ostream< CharT >& strm, ArgsT... const& args); /! * Equivalent to: <tt>add_console_log(std::clog);</tt> or <tt>add_console_log(std::wclog);</tt>, * depending on the \c CharT type. * * \overload / template< typename CharT, typename... ArgsT > shared_ptr< BOOST_LOG_CONSOLE_SINK_FRONTEND_INTERNAL< sinks::basic_text_ostream_backend< CharT > > > add_console_log(ArgsT... const& args); #endif // BOOST_LOG_DOXYGEN_PASS #ifdef BOOST_LOG_USE_CHAR /! * The function constructs sink for the <tt>std::clog</tt> stream and adds it to the core * * \overload * * \return Pointer to the constructed sink. / inline shared_ptr< BOOST_LOG_CONSOLE_SINK_FRONTEND_INTERNAL< sinks::text_ostream_backend > > add_console_log() { return add_console_log(std::clog); } #endif // BOOST_LOG_USE_CHAR #ifdef BOOST_LOG_USE_WCHAR_T /! * The function constructs sink for the <tt>std::wclog</tt> stream and adds it to the core * * \return Pointer to the constructed sink. */ inline shared_ptr< BOOST_LOG_CONSOLE_SINK_FRONTEND_INTERNAL< sinks::wtext_ostream_backend > > wadd_console_log() { return add_console_log(std::wclog); } #endif // BOOST_LOG_USE_WCHAR_T BOOST_LOG_CLOSE_NAMESPACE // namespace log } // namespace boost #undef BOOST_LOG_CONSOLE_SINK_FRONTEND_INTERNAL #include <boost/log/detail/footer.hpp> #endif // BOOST_LOG_UTILITY_SETUP_CONSOLE_HPP_INCLUDED_