/* * 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) */ #include #include #include #include #include namespace logging = boost::log; //[ example_utility_manipulators_to_log std::ostream& operator<< ( std::ostream& strm, logging::to_log_manip< int > const& manip ) { strm << std::setw(4) << std::setfill('0') << std::hex << manip.get() << std::dec; return strm; } void test_manip() { std::cout << "Regular output: " << 1010 << std::endl; std::cout << "Log output: " << logging::to_log(1010) << std::endl; } //] //[ example_utility_manipulators_to_log_with_tag struct tag_A; struct tag_B; std::ostream& operator<< ( std::ostream& strm, logging::to_log_manip< int, tag_A > const& manip ) { strm << "A[" << manip.get() << "]"; return strm; } std::ostream& operator<< ( std::ostream& strm, logging::to_log_manip< int, tag_B > const& manip ) { strm << "B[" << manip.get() << "]"; return strm; } void test_manip_with_tag() { std::cout << "Regular output: " << 1010 << std::endl; std::cout << "Log output A: " << logging::to_log< tag_A >(1010) << std::endl; std::cout << "Log output B: " << logging::to_log< tag_B >(1010) << std::endl; } //] int main(int, char*[]) { test_manip(); test_manip_with_tag(); return 0; }