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58ec5d5afe
* Replace boost with std equivalents: - bind, ref, cref, function, placeholders * More "include what you use" * Remove unnecessary includes
96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Portions of this file are from JUCE.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Please visit http://www.juce.com
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef BEAST_LOGGER_H_INCLUDED
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#define BEAST_LOGGER_H_INCLUDED
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#include <beast/strings/String.h>
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namespace beast
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{
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//==============================================================================
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/**
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Acts as an application-wide logging class.
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A subclass of Logger can be created and passed into the Logger::setCurrentLogger
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method and this will then be used by all calls to writeToLog.
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The logger class also contains methods for writing messages to the debugger's
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output stream.
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*/
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class Logger
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{
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public:
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//==============================================================================
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/** Destructor. */
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virtual ~Logger();
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//==============================================================================
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/** Sets the current logging class to use.
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Note that the object passed in will not be owned or deleted by the logger, so
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the caller must make sure that it is not deleted while still being used.
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A null pointer can be passed-in to disable any logging.
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*/
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static void setCurrentLogger (Logger* newLogger) noexcept;
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/** Returns the current logger, or nullptr if none has been set. */
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static Logger* getCurrentLogger() noexcept;
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/** Writes a string to the current logger.
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This will pass the string to the logger's logMessage() method if a logger
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has been set.
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@see logMessage
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*/
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static void writeToLog (const String& message);
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//==============================================================================
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/** Writes a message to the standard error stream.
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This can be called directly, or by using the DBG() macro in
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CompilerConfig.h (which will avoid calling the method in non-debug builds).
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*/
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static void outputDebugString (const String& text);
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protected:
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//==============================================================================
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Logger();
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/** This is overloaded by subclasses to implement custom logging behaviour.
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@see setCurrentLogger
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*/
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virtual void logMessage (const String& message) = 0;
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private:
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static Logger* currentLogger;
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};
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} // beast
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#endif // BEAST_LOGGER_H_INCLUDED
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