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/*
==============================================================================
This file is part of the JUCE framework.
Copyright (c) Raw Material Software Limited
JUCE is an open source framework subject to commercial or open source
licensing.
By downloading, installing, or using the JUCE framework, or combining the
JUCE framework with any other source code, object code, content or any other
copyrightable work, you agree to the terms of the JUCE End User Licence
Agreement, and all incorporated terms including the JUCE Privacy Policy and
the JUCE Website Terms of Service, as applicable, which will bind you. If you
do not agree to the terms of these agreements, we will not license the JUCE
framework to you, and you must discontinue the installation or download
process and cease use of the JUCE framework.
JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
JUCE Privacy Policy: https://juce.com/juce-privacy-policy
JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
Or:
You may also use this code under the terms of the AGPLv3:
https://www.gnu.org/licenses/agpl-3.0.en.html
THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
==============================================================================
*/
namespace juce
{
//==============================================================================
/**
Acts as an application-wide logging class.
A subclass of Logger can be created and passed into the Logger::setCurrentLogger
method and this will then be used by all calls to writeToLog.
The logger class also contains methods for writing messages to the debugger's
output stream.
@see FileLogger
@tags{Core}
*/
class JUCE_API Logger
{
public:
//==============================================================================
/** Destructor. */
virtual ~Logger();
//==============================================================================
/** Sets the current logging class to use.
Note that the object passed in will not be owned or deleted by the logger, so
the caller must make sure that it is not deleted while still being used.
A null pointer can be passed-in to reset the system to the default logger.
*/
static void JUCE_CALLTYPE setCurrentLogger (Logger* newLogger) noexcept;
/** Returns the current logger, or nullptr if no custom logger has been set. */
static Logger* JUCE_CALLTYPE getCurrentLogger() noexcept;
/** Writes a string to the current logger.
This will pass the string to the logger's logMessage() method if a logger
has been set.
@see logMessage
*/
static void JUCE_CALLTYPE writeToLog (const String& message);
//==============================================================================
/** Writes a message to the standard error stream.
This can be called directly, or by using the DBG() macro in
juce_PlatformDefs.h (which will avoid calling the method in non-debug builds).
*/
static void JUCE_CALLTYPE outputDebugString (const String& text);
protected:
//==============================================================================
Logger();
/** This is overloaded by subclasses to implement custom logging behaviour.
@see setCurrentLogger
*/
virtual void logMessage (const String& message) = 0;
private:
static Logger* currentLogger;
};
} // namespace juce
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