OtLogger.h

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/* ========================================================================
* Copyright (c) 2006,
* Institute for Computer Graphics and Vision
* Graz University of Technology
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of the Graz University of Technology nor the names of
* its contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ========================================================================
* PROJECT: OpenTracker
* ======================================================================== */
/* ======================================================================= */


#ifndef _OTLOGGER_H_
#define _OTLOGGER_H_

#include <assert.h>

#include "../OpenTracker.h"

namespace ot {

/*
 * Usage:  
 *              - logPrintE("File Not Found");
 *              - logPrintE(LOG_ERROR_FILE_NOT_FOUND);
 *              - logPrintE("File %s Not Found", filename);
 *
*/
void OPENTRACKER_API logPrint(const char *message, ...);
void OPENTRACKER_API logPrintD(const char *debugMessage, ...);
void OPENTRACKER_API logPrintS(const char *setupMessage, ...);
void OPENTRACKER_API logPrintI(const char *infoMessage, ...);
void OPENTRACKER_API logPrintW(const char *warningMessage, ...);
void OPENTRACKER_API logPrintE(const char *errorMessage, ...);
void OPENTRACKER_API logPrintEAbort(const char *errorMessage, ...);

/*
 * Enumerations
 */
enum LOG_MODE
{
        MODE_OFF = 0,
        MODE_FILE = 1,
        MODE_CONSOLE = 2,
        MODE_CALLBACK = 3
};

class OPENTRACKER_API OtLogger
{
public:

        static OtLogger *getInstance();

        virtual ~OtLogger();

        virtual void setLogMode(LOG_MODE newMode);

        virtual void printMessage(const char *message);
        virtual void printDebug(const char *debugMessage);
        virtual void printSetup(const char *setupMessage);
        virtual void printInfo(const char *infoMessage);
        virtual void printWarning(const char *warningMessage);
        virtual void printErrorAndContinue(const char *errorMessage);
        virtual void printErrorAndAbort(const char *errorMessage);

        virtual void writeToFile(const char * message);
        virtual void writeToFileEx(const char * format, ...);

        virtual char * getLogFileName();
        virtual void setLogFileName(char * filename);

protected:
        LOG_MODE logMode;


        static OtLogger *instance;

        char * logFileName;

        OtLogger();
};

} // namespace ot {

#endif //_OTLOGGER_H_

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