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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)
- */
- #include <cstddef>
- #include <iomanip>
- #include <iostream>
- #include <boost/log/utility/formatting_ostream.hpp>
- #include <boost/log/utility/manipulators/to_log.hpp>
- 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;
- }
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