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 */