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 attr_comparison.hpp 9 * \author Andrey Semashev 10 * \date 06.08.2010 11 * 12 * \brief This header contains tools for attribute comparison in attribute-related tests. 13 */ 14 15 #ifndef BOOST_LOG_TESTS_ATTR_COMPARISON_HPP_INCLUDED_ 16 #define BOOST_LOG_TESTS_ATTR_COMPARISON_HPP_INCLUDED_ 17 18 #include <ostream> 19 #include <boost/log/attributes/attribute.hpp> 20 21 class attribute_factory_helper : 22 public boost::log::attribute 23 { 24 typedef boost::log::attribute base_type; 25 26 public: attribute_factory_helper(base_type const & that)27 attribute_factory_helper(base_type const& that) : base_type(that) 28 { 29 } 30 get_impl() const31 impl* get_impl() const 32 { 33 return base_type::get_impl(); 34 } 35 }; 36 37 namespace boost { 38 39 BOOST_LOG_OPEN_NAMESPACE 40 operator ==(attribute const & left,attribute const & right)41inline bool operator== (attribute const& left, attribute const& right) 42 { 43 return attribute_factory_helper(left).get_impl() == attribute_factory_helper(right).get_impl(); 44 } operator !=(attribute const & left,attribute const & right)45inline bool operator!= (attribute const& left, attribute const& right) 46 { 47 return attribute_factory_helper(left).get_impl() != attribute_factory_helper(right).get_impl(); 48 } 49 operator <<(std::ostream & strm,attribute const & val)50inline std::ostream& operator<< (std::ostream& strm, attribute const& val) 51 { 52 strm << attribute_factory_helper(val).get_impl(); 53 return strm; 54 } 55 56 BOOST_LOG_CLOSE_NAMESPACE // namespace log 57 58 } // namespace boost 59 60 #endif // BOOST_LOG_TESTS_ATTR_COMPARISON_HPP_INCLUDED_ 61