nevrax.org : docs

00001 
+00007 /* Copyright, 2000 Nevrax Ltd.
+00008  *
+00009  * This file is part of NEVRAX NEL.
+00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
+00011  * it under the terms of the GNU General Public License as published by
+00012  * the Free Software Foundation; either version 2, or (at your option)
+00013  * any later version.
+00014 
+00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
+00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
+00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+00018  * General Public License for more details.
+00019 
+00020  * You should have received a copy of the GNU General Public License
+00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
+00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+00023  * MA 02111-1307, USA.
+00024  */
+00025 
+00026 #ifndef NL_LOG_H
+00027 #define NL_LOG_H
+00028 
+00029 #include "nel/misc/types_nl.h"
+00030 #include "nel/misc/mutex.h"
+00031 
+00032 #include <string>
+00033 #include <list>
+00034 
+00035 
+00036 namespace NLMISC
+00037 {
+00038 
+00039 class IDisplayer;
+00040 
+00053 class CLog {
+00054 public:
+00055 
+00056         typedef enum { LOG_NO=0, LOG_ERROR, LOG_WARNING, LOG_INFO, LOG_DEBUG, LOG_STAT, LOG_ASSERT, LOG_UNKNOWN } TLogType;
+00057 
+00058         CLog(TLogType logType = LOG_NO);
+00059 
+00063         void addDisplayer (IDisplayer *displayer, bool bypassFilter = false);
+00064 
+00066         IDisplayer *getDisplayer (const char *displayerName);
+00067 
+00069         void removeDisplayer (IDisplayer *displayer);
+00070 
+00072         void removeDisplayer (const char *displayerName);
+00073 
+00075         bool attached(IDisplayer *displayer) const;
+00076         
+00078         bool noDisplayer() const { return _Displayers.empty() && _BypassFilterDisplayers.empty(); }
+00079 
+00080 
+00082         static void setProcessName (const std::string &processName);
+00083 
+00085         static void setDefaultProcessName ();
+00086 
+00088         void setPosition (sint line, char *fileName);
+00089 
+00090 
+00092         void displayNL (const char *format, ...);
+00093 
+00095         void display (const char *format, ...);
+00096 
+00098         void displayRawNL (const char *format, ...);
+00099 
+00101         void displayRaw (const char *format, ...);
+00102 
+00105         void forceDisplayRaw (const char *format, ...);
+00106         
+00108         void addPositiveFilter( const char *filterstr );
+00109 
+00111         void addNegativeFilter( const char *filterstr );
+00112 
+00114         void resetFilters();
+00115 
+00117         void removeFilter( const char *filterstr = NULL);
+00118 
+00120         void displayFilter( CLog &log );
+00121 
+00122 protected:
+00123 
+00125         void unsetPosition();
+00126 
+00128         bool passFilter( const char *filter );
+00129 
+00130         TLogType                          _LogType;
+00131         static std::string                        *_ProcessName;
+00132 
+00133         sint                              _Line;
+00134         char                             *_FileName;
+00135 
+00136         typedef std::list<IDisplayer *> CDisplayers;
+00137 
+00138         CDisplayers                       _Displayers;
+00139 
+00140         CDisplayers                       _BypassFilterDisplayers;      // these displayers always log info (by pass filter system)
+00141 
+00142         CMutex                                                    _Mutex;
+00143 
+00144         uint32                                                    _PosSet;
+00145 
+00147         std::list<std::string>                    _NegativeFilter;
+00148 
+00150         std::list<std::string>                    _PositiveFilter;
+00151 
+00153         void displayString (const char *str);
+00154 
+00156         void displayRawString (const char *str);
+00157 
+00158 };
+00159 
+00160 
+00161 } // NLMISC
+00162 
+00163 #endif // NL_LOG_H
+00164 
+00165 /* End of log.h */
+