JUCE/modules/juce_core/logging/juce_Logger.cpp

/*
  ==============================================================================

   This file is part of the JUCE library - "Jules' Utility Class Extensions"
   Copyright 2004-11 by Raw Material Software Ltd.

  ------------------------------------------------------------------------------

   JUCE can be redistributed and/or modified under the terms of the GNU General
   Public License (Version 2), as published by the Free Software Foundation.
   A copy of the license is included in the JUCE distribution, or can be found
   online at www.gnu.org/licenses.

   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

  ------------------------------------------------------------------------------

   To release a closed-source product which uses JUCE, commercial licenses are
   available: visit www.rawmaterialsoftware.com/juce for more information.

  ==============================================================================
*/

Logger::Logger() {}

Logger::~Logger()
{
    // You're deleting this logger while it's still being used!
    // Always call Logger::setCurrentLogger (nullptr) before deleting the active logger.
    jassert (currentLogger != this);
}

Logger* Logger::currentLogger = nullptr;

void Logger::setCurrentLogger (Logger* const newLogger) noexcept    { currentLogger = newLogger; }
Logger* Logger::getCurrentLogger()  noexcept                        { return currentLogger; }

void Logger::writeToLog (const String& message)
{
    if (currentLogger != nullptr)
        currentLogger->logMessage (message);
    else
        outputDebugString (message);
}

#if JUCE_LOG_ASSERTIONS
void JUCE_API logAssertion (const char* const filename, const int lineNum) noexcept
{
    String m ("JUCE Assertion failure in ");
    m << File::createFileWithoutCheckingPath (filename).getFileName() << ':' << lineNum;

    Logger::writeToLog (m);
}
#endif