ArLog.h

/*
ActivMedia Robotics Interface for Applications (ARIA)
Copyright (C) 2004,2005 ActivMedia Robotics, LLC


     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.

     This program is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.

     You should have received a copy of the GNU General Public License
     along with this program; if not, write to the Free Software
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

If you wish to redistribute ARIA under different terms, contact 
ActivMedia Robotics for information about a commercial version of ARIA at 
robots@activmedia.com or 
ActivMedia Robotics, 19 Columbia Drive, Amherst, NH 03031; 800-639-9481

*/

#ifndef ARLOG_H
#define ARLOG_H

#ifndef WIN32
#include <stdio.h>
#endif
#include <string>
#include "ariaTypedefs.h"
#include "ArMutex.h"
#include "ArFunctor.h"

class ArConfig;


class ArLog
{
public:

  typedef enum {
    StdOut, 
    StdErr, 
    File, 
    Colbert, 
    None 
  } LogType;
  typedef enum {
    Terse, 
    Normal, 
    Verbose 
  } LogLevel;

#ifndef SWIG

  static void log(LogLevel level, const char *str, ...);
#endif
  static void logPlain(LogLevel level, const char *str);

  static bool init(LogType type, LogLevel level,
                            const char *fileName="",
                            bool logTime = false, bool alsoPrint = false, 
                            bool printThisCall = true);
  static void close();

#ifndef SWIG // this is internal we don't need to wrap it
  // Do not use this unless you know what you are doing...
  static void logNoLock(LogLevel level, const char *str, ...);
#endif 
  // We use this to print to a Colbert stream, if available
  static void (* colbertPrint)(int i, const char *str);

  static void addToConfig(ArConfig *config);
protected:
  static bool processFile(void);

  static ArLog *ourLog;
  static ArMutex ourMutex;
  static LogType ourType;
  static LogLevel ourLevel;
  static bool ourLoggingTime;
  static FILE *ourFP;
  static int ourColbertStream;
  static std::string ourFileName;
  static bool ourAlsoPrint;
  
  static LogType ourConfigLogType;
  static LogLevel ourConfigLogLevel;
  static char ourConfigFileName[1024];
  static bool ourConfigLogTime;
  static bool ourConfigAlsoPrint;
  static ArGlobalRetFunctor<bool> ourConfigProcessFileCB;
};


#endif

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