author | František Kučera <franta-hg@frantovo.cz> |
Mon, 04 Jan 2021 17:11:57 +0100 | |
branch | v_0 |
changeset 13 | 334b727f7516 |
parent 12 | 15d87fdd6e6c |
permissions | -rw-r--r-- |
12
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use Logger instead of messing with STDIO directly
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/** |
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* DJM-Fix |
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* Copyright © 2020 František Kučera (Frantovo.cz, GlobalCode.info) |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, version 3 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but 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 General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include <chrono> |
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#include <iomanip> |
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#include <sstream> |
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#include "Logger.h" |
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namespace djmfix { |
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namespace logging { |
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class Blackhole : public Logger { |
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public: |
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virtual void log(Level level, const std::string& message) override { |
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} |
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}; |
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class LoggerImpl : public Logger { |
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private: |
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std::ostream& output; |
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Level minLevel; |
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std::string getTimestamp() { |
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auto now = std::chrono::system_clock::now(); |
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auto itt = std::chrono::system_clock::to_time_t(now); |
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std::ostringstream ss; |
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ss << std::put_time(localtime(&itt), "%FT%T%z"); |
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return ss.str(); |
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} |
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std::string toString(Level level) { |
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if (level == Level::SEVERE) return "SEVERE"; |
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else if (level == Level::WARNING) return "WARNING"; |
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else if (level == Level::INFO) return "INFO"; |
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else if (level == Level::CONFIG) return "CONFIG"; |
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else if (level == Level::FINE) return "FINE"; |
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else if (level == Level::FINER) return "FINER"; |
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else if (level == Level::FINEST) return "FINEST"; |
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else return "UNKNOWN"; |
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} |
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public: |
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LoggerImpl(std::ostream& output, Level minLevel) : output(output), minLevel(minLevel) { |
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} |
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virtual void log(Level level, const std::string& message) override { |
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if (level <= minLevel) { |
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output << getTimestamp() << " " << std::setw(8) << toString(level) << ": " << message << std::endl; |
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} |
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} |
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}; |
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Logger* create(std::ostream& output, Level minLevel) { |
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return new LoggerImpl(output, minLevel); |
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} |
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Logger* blackhole() { |
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return new Blackhole(); |
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} |
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} |
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} |