127 lines
4.0 KiB
C++
127 lines
4.0 KiB
C++
/***********************************************************************
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* flogger.cpp - The FINAL CUT text logger *
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* *
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* This file is part of the FINAL CUT widget toolkit *
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* *
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* Copyright 2020 Markus Gans *
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* *
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* FINAL CUT is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation; either version 3 of *
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* the License, or (at your option) any later version. *
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* *
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* FINAL CUT is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this program. If not, see *
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* <http://www.gnu.org/licenses/>. *
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***********************************************************************/
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#include <array>
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#include <string>
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#include "final/flogger.h"
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namespace finalcut
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{
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//----------------------------------------------------------------------
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// class FLogger
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//----------------------------------------------------------------------
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// constructors and destructor
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//----------------------------------------------------------------------
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FLogger::~FLogger() noexcept = default; // destructor
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// private methods of FLogger
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//----------------------------------------------------------------------
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void FLogger::newlineReplace ( std::string& str
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, const std::string& replace_str ) const
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{
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std::size_t pos{0};
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std::size_t npos{std::string::npos};
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while ( (pos = str.find("\n", pos)) != npos
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&& pos + 1 < str.length() )
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{
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str.replace(pos, 1, replace_str);
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pos += replace_str.length();
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}
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}
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//----------------------------------------------------------------------
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std::string FLogger::getTimeString() const
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{
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std::array<char, 100> str;
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const auto& now = std::chrono::system_clock::now();
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const auto& t = std::chrono::system_clock::to_time_t(now);
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// Print RFC 2822 date
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struct tm time{};
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localtime_r (&t, &time);
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std::strftime (str.data(), str.size(), "%a, %d %b %Y %T %z", &time);
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return std::string(str.data());
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}
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//----------------------------------------------------------------------
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std::string FLogger::getEOL()
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{
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std::lock_guard<std::mutex> lock_guard(getMutex());
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if ( getEnding() == LineEnding::LF )
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return "\n";
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else if ( getEnding() == LineEnding::CR )
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return "\r";
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else if ( getEnding() == LineEnding::CRLF )
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return "\r\n";
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return "";
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}
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//----------------------------------------------------------------------
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void FLogger::printLogLine (const std::string& msg)
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{
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const std::string& log_level = [this] ()
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{
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std::lock_guard<std::mutex> lock_guard(getMutex());
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switch ( getLevel() )
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{
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case LogLevel::Info:
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return "INFO";
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case LogLevel::Warn:
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return "WARNING";
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case LogLevel::Error:
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return "ERROR";
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case LogLevel::Debug:
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return "DEBUG";
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}
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return "";
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}();
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const std::string prefix = [this, &log_level] ()
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{
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if ( timestamp )
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return getTimeString() + " [" + log_level + "] ";
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else
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return "[" + log_level + "] ";
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}();
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std::string message{msg};
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const std::string& eol = getEOL();
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const std::string replace_str = eol + prefix;
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newlineReplace (message, replace_str);
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output << prefix << message << eol;
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}
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} // namespace finalcut
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