cxLogFile.h

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/
 
#ifndef CXLOGFILE_H
#define CXLOGFILE_H
 
#include "cxResourceExport.h"
#include "cxLogMessage.h"
 
namespace cx
{
 
class LogFile
{
public:
        explicit LogFile();
        static LogFile fromChannel(QString path, QString channel);
        static LogFile fromFilename(QString filename);
        virtual ~LogFile() {}
 
        void writeHeader();
        void write(Message message);
        bool isWritable() const;
        QString getFilename() const;
 
        std::vector<Message> readMessages();
 
private:
        QString mPath;
        QString mChannel;
        int mFilePosition;
        QDateTime mInitTimestamp;
 
        Message readMessageFirstLine(QString line);
        MESSAGE_LEVEL readMessageLevel(QString line);
        QRegExp getRX_Timestamp() const;
        QString formatMessage(Message msg);
        bool appendToLogfile(QString filename, QString text);
        QString readFileTail();
//      QString removeEarlierSessionsAndSetStartTime(QString text);
//      std::vector<std::pair<QDateTime, QString> > splitIntoSessions(QString text);
        QString timestampFormat() const;
        QDateTime readTimestampFromSessionStartLine(QString text);
 
        void parseTimestamp(QString text, Message* retval);
        void parseThread(QString text, Message* retval);
        void parseSourceFileLine(QString text, Message* retval);
        void parseSourceFunction(QString text, Message* retval);
        QString getIndex(const QStringList& list, int index);
 
};
 
} //namespace cx
 
 
#endif // CXLOGFILE_H