74 lines
1.5 KiB
C++
74 lines
1.5 KiB
C++
/*
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* Copyright Andrey Semashev 2007 - 2015.
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* Distributed under the Boost Software License, Version 1.0.
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* (See accompanying file LICENSE_1_0.txt or copy at
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* http://www.boost.org/LICENSE_1_0.txt)
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*/
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#include <cstddef>
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#include <iomanip>
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#include <iostream>
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#include <boost/log/utility/formatting_ostream.hpp>
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#include <boost/log/utility/manipulators/to_log.hpp>
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namespace logging = boost::log;
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//[ example_utility_manipulators_to_log
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std::ostream& operator<<
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(
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std::ostream& strm,
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logging::to_log_manip< int > const& manip
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)
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{
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strm << std::setw(4) << std::setfill('0') << std::hex << manip.get() << std::dec;
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return strm;
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}
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void test_manip()
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{
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std::cout << "Regular output: " << 1010 << std::endl;
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std::cout << "Log output: " << logging::to_log(1010) << std::endl;
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}
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//]
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//[ example_utility_manipulators_to_log_with_tag
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struct tag_A;
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struct tag_B;
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std::ostream& operator<<
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(
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std::ostream& strm,
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logging::to_log_manip< int, tag_A > const& manip
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)
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{
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strm << "A[" << manip.get() << "]";
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return strm;
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}
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std::ostream& operator<<
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(
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std::ostream& strm,
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logging::to_log_manip< int, tag_B > const& manip
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)
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{
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strm << "B[" << manip.get() << "]";
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return strm;
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}
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void test_manip_with_tag()
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{
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std::cout << "Regular output: " << 1010 << std::endl;
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std::cout << "Log output A: " << logging::to_log< tag_A >(1010) << std::endl;
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std::cout << "Log output B: " << logging::to_log< tag_B >(1010) << std::endl;
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}
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//]
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int main(int, char*[])
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{
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test_manip();
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test_manip_with_tag();
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return 0;
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}
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