LogFile.h

   1 /*
   2  * Copyright (c) 2002, Robert Collins..
   3  *
   4  *     This program is free software; you can redistribute it and/or modify
   5  *     it under the terms of the GNU General Public License as published by
   6  *     the Free Software Foundation; either version 2 of the License, or
   7  *     (at your option) any later version.
   8  *
   9  *     A copy of the GNU General Public License can be found at
  10  *     http://www.gnu.org/
  11  *
  12  * Written by Robert Collins <rbtcollins@hotmail.com>
  13  *
  14  */
  15
  16 #include "LogSingleton.h"
  17 #include <sstream>
  18
  19 // Logging class. Default logging level is PLAIN.
  20 class LogFile : public LogSingleton {
  21 public:
  22   LogFile *createLogFile();
  23   LogFile();
  24   void clearFiles(); // delete all target filenames
  25   void setFile (int minlevel, String const &path, bool append);
  26   /* Some platforms don't call destructors. So this call exists
  27    * which guarantees to flush any log data...
  28    * but doesn't call generic C++ destructors
  29    */
  30   virtual void exit (int const exit_code) __attribute__ ((noreturn));
  31   virtual ~LogFile();
  32   // get a specific verbosity stream.
  33   virtual std::ostream &operator() (enum log_level level);
  34
  35 protected:
  36   LogFile(std::stringbuf *aStream);
  37   LogFile (LogFile const &); // no copy constructor
  38   LogFile &operator = (LogFile const&); // no assignment operator
  39   virtual void endEntry(); // the current in-progress entry is complete.
  40 private:
  41   void log_save (int babble, String const &filename, bool append);
  42 };