mirror of
https://github.com/FairRootGroup/FairLogger.git
synced 2025-10-13 00:31:12 +00:00
488 lines
14 KiB
C++
488 lines
14 KiB
C++
/********************************************************************************
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* Copyright (C) 2014 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH *
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* *
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* This software is distributed under the terms of the *
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* GNU Lesser General Public Licence (LGPL) version 3, *
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* copied verbatim in the file "LICENSE" *
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********************************************************************************/
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#include <Logger.h>
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#include <iostream>
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#include <ostream>
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#include <array>
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#include <chrono>
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#include <iomanip> // put_time
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using namespace std;
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namespace fair
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{
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enum class Color : int
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{
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fgBlack = 30,
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fgRed = 31,
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fgGreen = 32,
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fgYellow = 33,
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fgBlue = 34,
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fgMagenta = 35,
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fgCyan = 36,
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fgWhite = 37,
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fgDefault = 39,
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bgRed = 41,
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bgGreen = 42,
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bgBlue = 44,
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bgDefault = 49
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};
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string startColor(Color color)
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{
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ostringstream os;
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os << "\033[01;" << static_cast<int>(color) << "m";
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return os.str();
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}
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string endColor()
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{
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return "\033[0m";
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}
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class ColorOut
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{
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public:
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ColorOut(Color color, const string& str)
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: fColor(color)
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, fStr(str)
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{}
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friend ostream& operator<<(ostream& os, const ColorOut& w)
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{
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return os << "\033[01;" << static_cast<int>(w.fColor) << "m" << w.fStr << "\033[0m";
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}
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private:
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Color fColor;
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const string& fStr;
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};
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class ColoredSeverityWriter
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{
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public:
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ColoredSeverityWriter(Logger::Severity severity)
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: fSeverity(severity)
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{}
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friend ostream& operator<<(ostream& os, const ColoredSeverityWriter& w)
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{
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switch (w.fSeverity)
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{
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case Logger::Severity::nolog:
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return os << "\033[01;" << static_cast<int>(Color::fgDefault) << "m" << Logger::SeverityName(w.fSeverity) << "\033[0m";
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break;
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case Logger::Severity::fatal:
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return os << "\033[01;" << static_cast<int>(Color::bgRed) << "m" << Logger::SeverityName(w.fSeverity) << "\033[0m";
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break;
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case Logger::Severity::error:
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return os << "\033[01;" << static_cast<int>(Color::fgRed) << "m" << Logger::SeverityName(w.fSeverity) << "\033[0m";
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break;
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case Logger::Severity::warn:
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return os << "\033[01;" << static_cast<int>(Color::fgYellow) << "m" << Logger::SeverityName(w.fSeverity) << "\033[0m";
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break;
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case Logger::Severity::state:
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return os << "\033[01;" << static_cast<int>(Color::fgMagenta) << "m" << Logger::SeverityName(w.fSeverity) << "\033[0m";
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break;
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case Logger::Severity::info:
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return os << "\033[01;" << static_cast<int>(Color::fgGreen) << "m" << Logger::SeverityName(w.fSeverity) << "\033[0m";
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break;
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case Logger::Severity::debug:
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return os << "\033[01;" << static_cast<int>(Color::fgBlue) << "m" << Logger::SeverityName(w.fSeverity) << "\033[0m";
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break;
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case Logger::Severity::debug1:
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return os << "\033[01;" << static_cast<int>(Color::fgBlue) << "m" << Logger::SeverityName(w.fSeverity) << "\033[0m";
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break;
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case Logger::Severity::debug2:
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return os << "\033[01;" << static_cast<int>(Color::fgBlue) << "m" << Logger::SeverityName(w.fSeverity) << "\033[0m";
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break;
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case Logger::Severity::debug3:
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return os << "\033[01;" << static_cast<int>(Color::fgBlue) << "m" << Logger::SeverityName(w.fSeverity) << "\033[0m";
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break;
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case Logger::Severity::debug4:
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return os << "\033[01;" << static_cast<int>(Color::fgBlue) << "m" << Logger::SeverityName(w.fSeverity) << "\033[0m";
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break;
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case Logger::Severity::trace:
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return os << "\033[01;" << static_cast<int>(Color::fgCyan) << "m" << Logger::SeverityName(w.fSeverity) << "\033[0m";
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break;
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default:
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return os << "UNKNOWN";
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break;
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}
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}
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private:
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Logger::Severity fSeverity;
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};
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bool Logger::fColored = false;
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bool Logger::fCerrOnly = false;
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fstream Logger::fFileStream;
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Logger::Verbosity Logger::fVerbosity = Logger::Verbosity::low;
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Logger::Severity Logger::fConsoleSeverity = Logger::Severity::info;
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Logger::Severity Logger::fFileSeverity = Logger::Severity::nolog;
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Logger::Severity Logger::fMinSeverity = Logger::Severity::info;
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std::function<void()> Logger::fFatalCallback;
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#if defined(__APPLE__) || defined(__FreeBSD__)
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const string Logger::fProcessName = getprogname();
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#elif defined(_GNU_SOURCE)
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const string Logger::fProcessName = program_invocation_short_name;
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#else
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const string Logger::fProcessName = "?";
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#endif
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const unordered_map<string, Logger::Verbosity> Logger::fVerbosityMap =
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{
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{ "veryhigh", Verbosity::veryhigh },
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{ "high", Verbosity::high },
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{ "medium", Verbosity::medium },
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{ "low", Verbosity::low },
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{ "VERYHIGH", Verbosity::veryhigh },
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{ "HIGH", Verbosity::high },
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{ "MEDIUM", Verbosity::medium },
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{ "LOW", Verbosity::low }
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};
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const unordered_map<string, Logger::Severity> Logger::fSeverityMap =
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{
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{ "nolog", Severity::nolog },
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{ "NOLOG", Severity::nolog },
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{ "error", Severity::error },
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{ "ERROR", Severity::error },
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{ "warn", Severity::warn },
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{ "WARN", Severity::warn },
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{ "warning", Severity::warning },
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{ "WARNING", Severity::warning },
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{ "state", Severity::state },
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{ "STATE", Severity::state },
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{ "info", Severity::info },
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{ "INFO", Severity::info },
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{ "debug", Severity::debug },
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{ "DEBUG", Severity::debug },
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{ "trace", Severity::trace },
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{ "TRACE", Severity::trace },
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{ "debug1", Severity::debug1 },
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{ "DEBUG1", Severity::debug1 },
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{ "debug2", Severity::debug2 },
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{ "DEBUG2", Severity::debug2 },
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{ "debug3", Severity::debug3 },
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{ "DEBUG3", Severity::debug3 },
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{ "debug4", Severity::debug4 },
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{ "DEBUG4", Severity::debug4 }
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};
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const array<string, 12> Logger::fSeverityNames =
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{
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{
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"NOLOG",
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"FATAL",
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"ERROR",
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"WARN",
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"STATE",
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"INFO",
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"DEBUG",
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"DEBUG1",
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"DEBUG2",
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"DEBUG3",
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"DEBUG4",
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"TRACE"
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}
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};
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const array<string, 4> Logger::fVerbosityNames =
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{
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{
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"low",
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"medium",
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"high",
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"veryhigh"
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}
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};
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string Logger::SeverityName(Severity severity)
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{
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return fSeverityNames.at(static_cast<size_t>(severity));
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}
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string Logger::VerbosityName(Verbosity verbosity)
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{
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return fVerbosityNames.at(static_cast<size_t>(verbosity));
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}
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Logger::Logger(Severity severity)
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: fCurrentSeverity(severity)
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{}
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void Logger::SetConsoleSeverity(const Severity severity)
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{
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fConsoleSeverity = severity;
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UpdateMinSeverity();
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}
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void Logger::SetConsoleSeverity(const string& severityStr)
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{
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if (fSeverityMap.count(severityStr))
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{
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SetConsoleSeverity(fSeverityMap.at(severityStr));
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}
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else
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{
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LOG(ERROR) << "Unknown severity setting: '" << severityStr << "', setting to default 'info'.";
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SetConsoleSeverity(Severity::info);
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}
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}
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void Logger::SetFileSeverity(const Severity severity)
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{
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fFileSeverity = severity;
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UpdateMinSeverity();
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}
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void Logger::SetFileSeverity(const string& severityStr)
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{
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if (fSeverityMap.count(severityStr))
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{
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SetFileSeverity(fSeverityMap.at(severityStr));
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}
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else
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{
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LOG(error) << "Unknown severity setting: '" << severityStr << "', setting to default 'info'.";
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SetFileSeverity(Severity::info);
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}
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}
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void Logger::UpdateMinSeverity()
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{
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fMinSeverity = (fConsoleSeverity <= fFileSeverity) ? fFileSeverity : fConsoleSeverity;
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}
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bool Logger::Logging(Severity severity)
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{
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if (Severity::fatal == severity)
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{
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return true;
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}
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if (severity <= fMinSeverity && severity > Severity::nolog)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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void Logger::SetVerbosity(const Verbosity verbosity)
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{
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fVerbosity = verbosity;
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}
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void Logger::SetVerbosity(const string& verbosityStr)
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{
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if (fVerbosityMap.count(verbosityStr))
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{
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fVerbosity = fVerbosityMap.at(verbosityStr);
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}
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else
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{
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LOG(error) << "Unknown verbosity setting: '" << verbosityStr << "', setting to default 'low'.";
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fVerbosity = Verbosity::low;
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}
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}
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void Logger::SetConsoleColor(const bool colored)
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{
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fColored = colored;
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}
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void Logger::InitFileSink(const Severity severity, const string& filename, bool customizeName)
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{
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if (fFileStream.is_open())
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{
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fFileStream.close();
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}
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string fullName = filename;
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if (customizeName)
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{
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// TODO: customize file name
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auto now = chrono::system_clock::to_time_t(chrono::system_clock::now());
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stringstream ss;
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ss << "_" << put_time(localtime(&now), "%Y-%m-%d_%H_%M_%S") << ".log";
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fullName += ss.str();
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}
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fFileStream.open(fullName, fstream::out | fstream::app);
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if (fFileStream.is_open())
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{
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fFileSeverity = severity;
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UpdateMinSeverity();
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}
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else
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{
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cout << "Error opening file: " << fullName;
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}
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}
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void Logger::InitFileSink(const string& severityStr, const string& filename, bool customizeName)
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{
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if (fSeverityMap.count(severityStr))
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{
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InitFileSink(fSeverityMap.at(severityStr), filename, customizeName);
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}
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else
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{
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LOG(error) << "Unknown severity setting: '" << severityStr << "', setting to default 'info'.";
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InitFileSink(Severity::info, filename);
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}
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}
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void Logger::RemoveFileSink()
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{
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if (fFileStream.is_open())
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{
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fFileStream.close();
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}
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}
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bool Logger::LoggingToConsole() const
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{
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return (fCurrentSeverity <= fConsoleSeverity &&
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fCurrentSeverity > Severity::nolog) ||
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fCurrentSeverity == Severity::fatal;
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}
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bool Logger::LoggingToFile() const
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{
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return (fCurrentSeverity <= fFileSeverity &&
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fCurrentSeverity > Severity::nolog) ||
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fCurrentSeverity == Severity::fatal;
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}
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ostringstream& Logger::Log(const string& file, const string& line, const string& func)
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{
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size_t pos = file.rfind("/");
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auto now = chrono::system_clock::now();
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auto now_c = chrono::system_clock::to_time_t(now);
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auto ns = chrono::duration_cast<chrono::microseconds>(now.time_since_epoch()) % 1000000;
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if ((!fColored && LoggingToConsole()) || (fFileStream.is_open() && LoggingToFile()))
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{
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if (fVerbosity >= Verbosity::high)
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{
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fBWOut << "[" << fProcessName << "]"
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<< "[" << put_time(localtime(&now_c), "%H:%M:%S") << "." << setw(6) << setfill('0') << ns.count() << "]";
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}
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else if (fVerbosity == Verbosity::medium)
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{
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fBWOut << "[" << put_time(localtime(&now_c), "%H:%M:%S") << "]";
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}
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fBWOut << "[" << fSeverityNames.at(static_cast<size_t>(fCurrentSeverity)) << "]";
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if (fVerbosity == Verbosity::veryhigh)
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{
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fBWOut << "[" << file.substr(pos + 1) << ":" << line << ":" << func << "]";
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}
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fBWOut << " ";
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}
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if (fColored && (LoggingToConsole()))
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{
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if (fVerbosity >= Verbosity::high)
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{
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fColorOut << "[" << ColorOut(Color::fgBlue, fProcessName) << "]"
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<< "[" << startColor(Color::fgCyan) << put_time(localtime(&now_c), "%H:%M:%S") << "." << setw(6) << setfill('0') << ns.count() << endColor() << "]";
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}
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else if (fVerbosity == Verbosity::medium)
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{
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fColorOut << "[" << startColor(Color::fgCyan) << put_time(localtime(&now_c), "%H:%M:%S") << endColor() << "]";
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}
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fColorOut << "[" << ColoredSeverityWriter(fCurrentSeverity) << "]";
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if (fVerbosity == Verbosity::veryhigh)
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{
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fColorOut << "[" << ColorOut(Color::fgBlue, file.substr(pos + 1)) << ":" << ColorOut(Color::fgYellow, line) << ":" << ColorOut(Color::fgBlue, func) << "]";
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}
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fColorOut << " ";
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}
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return fContent;
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}
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void Logger::OnFatal(std::function<void()> func)
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{
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fFatalCallback = func;
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}
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void Logger::SetCerrOnly(bool cerrOnly)
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{
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fCerrOnly = cerrOnly;
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}
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Logger::~Logger() noexcept(false)
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{
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fContent << "\n"; // "\n" + flush instead of endl makes output thread safe.
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fBWOut << fContent.str();
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if (LoggingToConsole())
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{
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if (fColored)
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{
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fColorOut << fContent.str();
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if (fCurrentSeverity == Severity::fatal || fCurrentSeverity == Severity::error || fCerrOnly)
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{
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cerr << fColorOut.str() << flush;
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}
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else
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{
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cout << fColorOut.str() << flush;
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}
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}
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else
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{
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if (fCurrentSeverity == Severity::fatal || fCurrentSeverity == Severity::error || fCerrOnly)
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{
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cerr << fBWOut.str() << flush;
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}
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else
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{
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cout << fBWOut.str() << flush;
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}
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}
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}
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if (LoggingToFile())
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{
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if (fFileStream.is_open())
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{
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fFileStream << fBWOut.str() << flush;
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}
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}
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if (fCurrentSeverity == Severity::fatal)
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{
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if (fFatalCallback)
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{
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fFatalCallback();
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}
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}
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}
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} // namespace fair
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