108 lines
No EOL
2.6 KiB
C++
108 lines
No EOL
2.6 KiB
C++
//
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// CRLib - Simple library for STL replacement in private projects.
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// Copyright © 2020 YaPB Development Team <team@yapb.ru>.
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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, either version 3 of the License, or
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// (at your option) any later version.
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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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#pragma once
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#include <time.h>
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#include <crlib/cr-files.h>
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#include <crlib/cr-lambda.h>
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CR_NAMESPACE_BEGIN
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class SimpleLogger final : public Singleton <SimpleLogger> {
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public:
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using PrintFunction = Lambda <void (const char *)>;
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private:
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File handle_;
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PrintFunction printFun_;
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public:
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SimpleLogger () = default;
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~SimpleLogger () {
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handle_.close ();
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}
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private:
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void logToFile (const char *level, const char *msg) {
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if (!handle_) {
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return;
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}
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time_t ticks = time (&ticks);
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tm *timeinfo = nullptr;
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#if defined (CR_WINDOWS)
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tm get;
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localtime_s (&get, &ticks);
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timeinfo = &get;
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#else
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timeinfo = localtime (&ticks);
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#endif
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auto timebuf = strings.chars ();
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strftime (timebuf, StringBuffer::StaticBufferSize, "%Y-%m-%d %H:%M:%S", timeinfo);
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handle_.puts ("%s (%s): %s\n", timebuf, level, msg);
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}
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public:
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template <typename ...Args> void fatal (const char *fmt, Args &&...args) {
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auto msg = strings.format (fmt, cr::forward <Args> (args)...);
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logToFile ("FATAL", msg);
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if (printFun_) {
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printFun_ (msg);
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}
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plat.abort (msg);
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}
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template <typename ...Args> void error (const char *fmt, Args &&...args) {
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auto msg = strings.format (fmt, cr::forward <Args> (args)...);
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logToFile ("ERROR", msg);
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if (printFun_) {
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printFun_ (msg);
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}
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}
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template <typename ...Args> void message (const char *fmt, Args &&...args) {
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auto msg = strings.format (fmt, cr::forward <Args> (args)...);
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logToFile ("INFO", msg);
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if (printFun_) {
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printFun_ (msg);
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}
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}
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public:
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void initialize (StringRef filename, PrintFunction printFunction) {
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if (handle_) {
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handle_.close ();
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}
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printFun_ = cr::move (printFunction);
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handle_.open (filename, "at");
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}
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};
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// expose global instance
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CR_EXPOSE_GLOBAL_SINGLETON (SimpleLogger, logger);
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CR_NAMESPACE_END |