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annotate Utils/LogAppender.h @ 2:177f640940f2

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Update exception class and cleanup redifinitions During firmware download and exception caused the application to stop. Rootcause was the defference between QT5 and QT6 exception and string handling which is updated now. In addition some old definitions were removed to avoid compiler warnings.
author Ideenmodellierer
date Fri, 28 Nov 2025 19:57:35 +0100
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1
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1 //////////////////////////////////////////////////////////////////////////////
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2 /// \file LogAppender.h
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3 /// \brief Put Log message somewhere.
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4 /// \author JD Gascuel.
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5 /// \copyright (c) 2011-2016 JD Gascuel. All rights reserved.
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6 /// $Id$
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7 //////////////////////////////////////////////////////////////////////////////
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8 //
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9 // BSD 2-Clause License:
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10 //
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11 // Redistribution and use in source and binary forms, with or without
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12 // modification, are permitted provided that the following conditions
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13 // are met:
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14 //
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15 // 1. Redistributions of source code must retain the above copyright notice,
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16 // this list of conditions and the following disclaimer.
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17 //
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18 // 2. Redistributions in binary form must reproduce the above copyright notice,
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19 // this list of conditions and the following disclaimer in the documentation
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20 // and/or other materials provided with the distribution.
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21 //
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22 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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23 // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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24 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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25 // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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26 // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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27 // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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28 // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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29 // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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30 // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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31 // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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32 // THE POSSIBILITY OF SUCH DAMAGE.
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33 //
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34 //////////////////////////////////////////////////////////////////////////////
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35 // HISTORY
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36 // 2013-11-15 jDG: Creation.
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37 // 2016-05-24 jDG: BSD-2 version.
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38
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39 #include "Utils/Log.h"
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40
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41 #ifndef LOGAPPENDER_H
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42 #define LOGAPPENDER_H
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43
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44 #include <QByteArray>
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45 #include <QString>
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46
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47 #include <QList>
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48
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49 class LogFilter;
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50
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51 //////////////////////////////////////////////////////////////////////////////
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52
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53 class EXPORT LogAppender
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54 {
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55 /// Send a message to this appender.
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56 virtual void operator()(const Log& log) = 0;
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57
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58 /// Log::close() needs an access to the list, to remove all appenders.
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59 friend void Log::close();
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60
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61 /// Manage a list of all existing appenders.
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62 static QList<LogAppender *> &list();
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63
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64 protected:
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65 /// How to dislay logged data ?
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66 QByteArray _format;
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67 Log::Level _minLevel;
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68
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69 /// Default formating string for that appender.
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70 virtual const char* type() const = 0;
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71 virtual const char* defaultFormat() const = 0;
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72 virtual Log::Level defaultMinLevel() const = 0;
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73
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74 /// Do the substtutions
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75 /// Use the string set by setFormat() to format the \p log event.
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76 QString format(const Log& log) const;
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77
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78 public:
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79 LogAppender(int argc, char *argv[]);
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80 virtual ~LogAppender();
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81
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82 //------------------------------------------------------------------------
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83 /// Filter messages by error level.
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84 /// Sets the minimum level to use for this appender.
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85 /// \p level is one of:
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86 /// * Log::LEVEL_DEBUG : The most verbose one, used only during debug session.
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87 /// * Log::LEVEL_TRACE : Messages to be put in silent log files, for post-mortem analysis.
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88 /// * Log::LEVEL_INFO : General information send to the final user.
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89 /// * Log::LEVEL_WARNING : Error reported to the user (eg. with a Qt warning box. \sa LogAppenderWindow).
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90 /// * Log::LEVEL_THROW : Error that is mean to be catched, and corrected automatically.
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91 /// * Log::LEVEL_ERROR : Fatal error that cannot be recovered. The program should halt.
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92 ///
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93 /// The default depends from the appender.
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94 void setMinLevel(Log::Level level);
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95
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96 //------------------------------------------------------------------------
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97 /// Set current formating.
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98 ///
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99 /// How to format log line once appended.
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100 /// Default depends of the appender used (\sa defaultFormat()).
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101 /// Setting a null string returns to the appender's default.
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102 ///
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103 /// Valide substitutions are:
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104 /// * %o : log level (one of DEBUG, TRACE, INFO, THROW, WARNING, ERROR).
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105 /// * %d : log's date.
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106 /// * %t : log's time.
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107 /// * %f : source file where the error is logged (just trailling filename)
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108 /// * %F : source file where the error is logged (full path)
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109 /// * %l : source line where the error is logged.
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110 /// * %p : the function that fired the log message.
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111 /// * %m : the log message itself.
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112 ///
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113 /// Typical usage:
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114 /// \code
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115 /// LogAppenderMemory mem(0,0);
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116 /// mem.setFormat("[%o] %f:%l %m");
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117 /// ...
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118 /// LOG_TRACE("Here");
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119 /// \endcode
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120 void setFormat(const char* format);
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121
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122 //------------------------------------------------------------------------
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123 /// Send a message to all existing appenders.
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124 static void all(const Log& log);
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125 };
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126
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127 #endif // LOGAPPENDER_H