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100 lines
3.5 KiB
C
100 lines
3.5 KiB
C
1 year ago
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// Copyright (c) 2013, Razvan Petru
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// All rights reserved.
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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// * Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice, this
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// list of conditions and the following disclaimer in the documentation and/or other
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// materials provided with the distribution.
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// * The name of the contributors may not be used to endorse or promote products
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// derived from this software without specific prior written permission.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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// IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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// OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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// OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef QSLOGDEST_H
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#define QSLOGDEST_H
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#include "QsLogLevel.h"
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#include <QSharedPointer>
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#include <QtGlobal>
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class QString;
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class QObject;
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#ifdef QSLOG_IS_SHARED_LIBRARY
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#define QSLOG_SHARED_OBJECT Q_DECL_EXPORT
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#elif QSLOG_IS_SHARED_LIBRARY_IMPORT
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#define QSLOG_SHARED_OBJECT Q_DECL_IMPORT
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#else
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#define QSLOG_SHARED_OBJECT
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#endif
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namespace QsLogging
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{
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class QSLOG_SHARED_OBJECT Destination
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{
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public:
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typedef void (*LogFunction)(const QString &message, Level level);
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public:
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virtual ~Destination();
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virtual void write(const QString& message, Level level) = 0;
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virtual bool isValid() = 0; // returns whether the destination was created correctly
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};
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typedef QSharedPointer<Destination> DestinationPtr;
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// a series of "named" paramaters, to make the file destination creation more readable
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enum LogRotationOption
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{
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DisableLogRotation = 0,
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EnableLogRotation = 1
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};
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struct QSLOG_SHARED_OBJECT MaxSizeBytes
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{
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MaxSizeBytes() : size(0) {}
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explicit MaxSizeBytes(qint64 size_) : size(size_) {}
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qint64 size;
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};
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struct QSLOG_SHARED_OBJECT MaxOldLogCount
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{
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MaxOldLogCount() : count(0) {}
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explicit MaxOldLogCount(int count_) : count(count_) {}
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int count;
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};
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//! Creates logging destinations/sinks. The caller shares ownership of the destinations with the logger.
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//! After being added to a logger, the caller can discard the pointers.
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class QSLOG_SHARED_OBJECT DestinationFactory
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{
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public:
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static DestinationPtr MakeFileDestination(const QString& filePath,
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LogRotationOption rotation = DisableLogRotation,
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const MaxSizeBytes &sizeInBytesToRotateAfter = MaxSizeBytes(),
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const MaxOldLogCount &oldLogsToKeep = MaxOldLogCount());
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static DestinationPtr MakeDebugOutputDestination();
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// takes a pointer to a function
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static DestinationPtr MakeFunctorDestination(Destination::LogFunction f);
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// takes a QObject + signal/slot
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static DestinationPtr MakeFunctorDestination(QObject *receiver, const char *member);
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};
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} // end namespace
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#endif // QSLOGDEST_H
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