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/******************************************************************************
*
* package: Log4Qt
* file: ndc.h
* created: September 2007
* author: Martin Heinrich
*
*
* Copyright 2007 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.
*
******************************************************************************/
#ifndef LOG4QT_NDC_H
#define LOG4QT_NDC_H
/******************************************************************************
* Dependencies
******************************************************************************/
#include <QtCore/QString>
#include <QtCore/QStack>
#include <QtCore/QThreadStorage>
#include "log4qt.h"
/******************************************************************************
* Declarations
******************************************************************************/
namespace Log4Qt
{
/*!
* \brief The class NDC implements a nested diagnostic context.
*
* The method remove() is not required. QThreadStorage cleans up on thread
* exit.
*
* \note All the functions declared in this class are thread-safe.
*/
class LOG4QT_EXPORT NDC
{
private:
NDC();
NDC(const NDC &rOther); // Not implemented
// virtual ~NDC(); // Use compiler default
NDC &operator=(const NDC &rOther); // Not implemented
public:
static void clear();
// JAVA: static QStack<QString> cloneStack();
// JAVA: static QString get();
static int depth();
// JAVA: inherit(Stack stack)
/*!
* Returns the NDC instance.
*/
static NDC *instance();
static QString pop();
static void push(const QString &rMessage);
// JAVA: static void remove(); // Not required
static void setMaxDepth(int maxDepth);
static QString peek();
private:
QThreadStorage< QStack<QString> * > mStack;
};
/******************************************************************************
* Operators, Helper
******************************************************************************/
#ifndef QT_NO_DEBUG_STREAM
/*!
* \relates NDC
*
* Writes all object member variables to the given debug stream \a rDebug and
* returns the stream.
*
* <tt>
* %NDC(thread:"main" peek:"i = 3" depth:4)
* </tt>
* \sa QDebug
*/
QDebug operator<<(QDebug debug,
const NDC &rNDC);
#endif // QT_NO_DEBUG_STREAM
/******************************************************************************
* Inline
******************************************************************************/
inline NDC::NDC() :
mStack()
{}
} // namespace Log4Qt
// Q_DECLARE_TYPEINFO(Log4Qt::NDC, Q_COMPLEX_TYPE); // Use default
#endif // LOG4QT_NDC_H
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