71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
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/******************************************************************************
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*
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* This file is part of Log4Qt library.
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*
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* Copyright (C) 2007 - 2020 Log4Qt contributors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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#ifndef LOG4QT_NDC_H
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#define LOG4QT_NDC_H
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#include "log4qt.h"
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#include <QString>
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#include <QStack>
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#include <QThreadStorage>
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namespace Log4Qt
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{
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/*!
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* \brief The class NDC implements a nested diagnostic context.
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*
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* The method remove() is not required. QThreadStorage cleans up on thread
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* exit.
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*
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* \note All the functions declared in this class are thread-safe.
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*/
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class LOG4QT_EXPORT NDC
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{
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private:
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NDC();
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Q_DISABLE_COPY(NDC)
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public:
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static void clear();
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static int depth();
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/*!
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* Returns the NDC instance.
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*/
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static NDC *instance();
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static QString pop();
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static void push(const QString &message);
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static void setMaxDepth(int maxDepth);
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static QString peek();
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private:
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QThreadStorage<QStack<QString> *> mStack;
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};
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inline NDC::NDC()
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{}
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} // namespace Log4Qt
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#endif // LOG4QT_NDC_H
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