| /* |
| * 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 from_settings.hpp |
| * \author Andrey Semashev |
| * \date 11.10.2009 |
| * |
| * The header contains definition of facilities that allows to initialize the library from |
| * settings. |
| */ |
| |
| #ifndef BOOST_LOG_UTILITY_SETUP_FROM_SETTINGS_HPP_INCLUDED_ |
| #define BOOST_LOG_UTILITY_SETUP_FROM_SETTINGS_HPP_INCLUDED_ |
| |
| #include <string> |
| #include <boost/smart_ptr/shared_ptr.hpp> |
| #include <boost/utility/enable_if.hpp> |
| #include <boost/type_traits/is_base_and_derived.hpp> |
| #include <boost/log/detail/setup_config.hpp> |
| #include <boost/log/sinks/sink.hpp> |
| #include <boost/log/utility/setup/settings.hpp> |
| #include <boost/log/detail/header.hpp> |
| |
| #ifdef BOOST_HAS_PRAGMA_ONCE |
| #pragma once |
| #endif |
| |
| namespace boost { |
| |
| BOOST_LOG_OPEN_NAMESPACE |
| |
| /*! |
| * The function initializes the logging library from a settings container |
| * |
| * \param setts Library settings container |
| * |
| * \b Throws: An <tt>std::exception</tt>-based exception if the provided settings are not valid. |
| */ |
| template< typename CharT > |
| BOOST_LOG_SETUP_API void init_from_settings(basic_settings_section< CharT > const& setts); |
| |
| |
| /*! |
| * Sink factory base interface |
| */ |
| template< typename CharT > |
| struct sink_factory |
| { |
| //! Character type |
| typedef CharT char_type; |
| //! String type |
| typedef std::basic_string< char_type > string_type; |
| //! Settings section type |
| typedef basic_settings_section< char_type > settings_section; |
| |
| /*! |
| * Default constructor |
| */ |
| BOOST_DEFAULTED_FUNCTION(sink_factory(), {}) |
| |
| /*! |
| * Virtual destructor |
| */ |
| virtual ~sink_factory() {} |
| |
| /*! |
| * The function creates a formatter for the specified attribute. |
| * |
| * \param settings Sink parameters |
| */ |
| virtual shared_ptr< sinks::sink > create_sink(settings_section const& settings) = 0; |
| |
| BOOST_DELETED_FUNCTION(sink_factory(sink_factory const&)) |
| BOOST_DELETED_FUNCTION(sink_factory& operator= (sink_factory const&)) |
| }; |
| |
| /*! |
| * \brief The function registers a factory for a custom sink |
| * |
| * The function registers a factory for a sink. The factory will be called to create sink |
| * instance when the parser discovers the specified sink type in the settings file. The |
| * factory must accept a map of parameters [parameter name -> parameter value] that it |
| * may use to initialize the sink. The factory must return a non-NULL pointer to the |
| * constructed sink instance. |
| * |
| * \param sink_name The custom sink name. Must point to a zero-terminated sequence of characters, |
| * must not be NULL. |
| * \param factory Pointer to the custom sink factory. Must not be NULL. |
| */ |
| template< typename CharT > |
| BOOST_LOG_SETUP_API void register_sink_factory(const char* sink_name, shared_ptr< sink_factory< CharT > > const& factory); |
| |
| /*! |
| * \brief The function registers a factory for a custom sink |
| * |
| * The function registers a factory for a sink. The factory will be called to create sink |
| * instance when the parser discovers the specified sink type in the settings file. The |
| * factory must accept a map of parameters [parameter name -> parameter value] that it |
| * may use to initialize the sink. The factory must return a non-NULL pointer to the |
| * constructed sink instance. |
| * |
| * \param sink_name The custom sink name |
| * \param factory Pointer to the custom sink factory. Must not be NULL. |
| */ |
| template< typename CharT > |
| inline void register_sink_factory(std::string const& sink_name, shared_ptr< sink_factory< CharT > > const& factory) |
| { |
| register_sink_factory(sink_name.c_str(), factory); |
| } |
| |
| /*! |
| * \brief The function registers a factory for a custom sink |
| * |
| * The function registers a factory for a sink. The factory will be called to create sink |
| * instance when the parser discovers the specified sink type in the settings file. The |
| * factory must accept a map of parameters [parameter name -> parameter value] that it |
| * may use to initialize the sink. The factory must return a non-NULL pointer to the |
| * constructed sink instance. |
| * |
| * \param sink_name The custom sink name. Must point to a zero-terminated sequence of characters, |
| * must not be NULL. |
| * \param factory Pointer to the custom sink factory. Must not be NULL. |
| */ |
| template< typename FactoryT > |
| inline typename enable_if< |
| is_base_and_derived< sink_factory< typename FactoryT::char_type >, FactoryT > |
| >::type register_sink_factory(const char* sink_name, shared_ptr< FactoryT > const& factory) |
| { |
| typedef sink_factory< typename FactoryT::char_type > factory_base; |
| register_sink_factory(sink_name, boost::static_pointer_cast< factory_base >(factory)); |
| } |
| |
| /*! |
| * \brief The function registers a factory for a custom sink |
| * |
| * The function registers a factory for a sink. The factory will be called to create sink |
| * instance when the parser discovers the specified sink type in the settings file. The |
| * factory must accept a map of parameters [parameter name -> parameter value] that it |
| * may use to initialize the sink. The factory must return a non-NULL pointer to the |
| * constructed sink instance. |
| * |
| * \param sink_name The custom sink name |
| * \param factory Pointer to the custom sink factory. Must not be NULL. |
| */ |
| template< typename FactoryT > |
| inline typename enable_if< |
| is_base_and_derived< sink_factory< typename FactoryT::char_type >, FactoryT > |
| >::type register_sink_factory(std::string const& sink_name, shared_ptr< FactoryT > const& factory) |
| { |
| typedef sink_factory< typename FactoryT::char_type > factory_base; |
| register_sink_factory(sink_name.c_str(), boost::static_pointer_cast< factory_base >(factory)); |
| } |
| |
| BOOST_LOG_CLOSE_NAMESPACE // namespace log |
| |
| } // namespace boost |
| |
| #include <boost/log/detail/footer.hpp> |
| |
| #endif // BOOST_LOG_UTILITY_SETUP_FROM_SETTINGS_HPP_INCLUDED_ |