1 files changed, 164 insertions, 0 deletions
diff --git a/boost/log/utility/setup/from_settings.hpp b/boost/log/utility/setup/from_settings.hpp
new file mode 100644
index 0000000000..50c36f524c
--- /dev/null
+++ b/boost/log/utility/setup/from_settings.hpp
@@ -0,0 +1,164 @@
+/*
+ *          Copyright Andrey Semashev 2007 - 2014.
+ * 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_