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/******************************************************************************
*
* package: Log4Qt
* file: classlogger.cpp
* created: September 2007
* author: Martin Heinrich
*
*
* changes: Sep 2008, Martin Heinrich:
* - Replaced usage of q_atomic_test_and_set_ptr with
* QAtomicPointer
*
*
* Copyright 2007 - 2008 Martin Heinrich
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************/
/******************************************************************************
* Dependencies
******************************************************************************/
#include "helpers/classlogger.h"
#include <QtCore/QDebug>
#include "logmanager.h"
namespace Log4Qt
{
/**************************************************************************
* Declarations
**************************************************************************/
/**************************************************************************
* C helper functions
**************************************************************************/
/**************************************************************************
* Class implementation: ClassLogger
**************************************************************************/
ClassLogger::ClassLogger() :
mpLogger(0)
{
}
Logger *ClassLogger::logger(const QObject *pObject)
{
Q_ASSERT_X(pObject, "ClassLogger::logger()", "pObject must not be null");
#if QT_VERSION < QT_VERSION_CHECK(4, 4, 0)
if (!mpLogger)
q_atomic_test_and_set_ptr(&mpLogger,
0,
LogManager::logger(QLatin1String(pObject->metaObject()->className())));
return const_cast<Logger *>(mpLogger);
#elif QT_VERSION < QT_VERSION_CHECK(5, 0, 0)
if (!static_cast<Logger *>(mpLogger))
mpLogger.testAndSetOrdered(0,
LogManager::logger(QLatin1String(pObject->metaObject()->className())));
return const_cast<Logger *>(static_cast<Logger *>(mpLogger));
#else
if (!static_cast<Logger *>(mpLogger.loadAcquire()))
mpLogger.testAndSetOrdered(0,
LogManager::logger(QLatin1String(pObject->metaObject()->className())));
return const_cast<Logger *>(static_cast<Logger *>(mpLogger.loadAcquire()));
#endif
}
/**************************************************************************
* Implementation: Operators, Helper
**************************************************************************/
} // namespace Log4Qt
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