PreVerify/lib/log4Qt/include/log4qt/ndc.h
2024-09-09 19:18:28 +08:00

71 lines
1.6 KiB
C++

/******************************************************************************
*
* This file is part of Log4Qt library.
*
* Copyright (C) 2007 - 2020 Log4Qt contributors
*
* 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
#include "log4qt.h"
#include <QString>
#include <QStack>
#include <QThreadStorage>
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();
Q_DISABLE_COPY(NDC)
public:
static void clear();
static int depth();
/*!
* Returns the NDC instance.
*/
static NDC *instance();
static QString pop();
static void push(const QString &message);
static void setMaxDepth(int maxDepth);
static QString peek();
private:
QThreadStorage<QStack<QString> *> mStack;
};
inline NDC::NDC()
{}
} // namespace Log4Qt
#endif // LOG4QT_NDC_H