vpException.h

/****************************************************************************
 *
 * This file is part of the ViSP software.
 * Copyright (C) 2005 - 2017 by Inria. All rights reserved.
 *
 * This software is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * ("GPL") version 2 as published by the Free Software Foundation.
 * See the file LICENSE.txt at the root directory of this source
 * distribution for additional information about the GNU GPL.
 *
 * For using ViSP with software that can not be combined with the GNU
 * GPL, please contact Inria about acquiring a ViSP Professional
 * Edition License.
 *
 * See http://visp.inria.fr for more information.
 *
 * This software was developed at:
 * Inria Rennes - Bretagne Atlantique
 * Campus Universitaire de Beaulieu
 * 35042 Rennes Cedex
 * France
 *
 * If you have questions regarding the use of this file, please contact
 * Inria at visp@inria.fr
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 * Description:
 * Exception handling.
 *
 * Authors:
 * Nicolas Mansard
 *
 *****************************************************************************/


/* \file vpException.h
   \brief error that can be emited by the vp class and its derivates
 */

#ifndef __vpException_H
#define __vpException_H


/* --------------------------------------------------------------------- */
/* --- INCLUDE --------------------------------------------------------- */
/* --------------------------------------------------------------------- */

#include <visp3/core/vpConfig.h>

/* Classes standards. */
#include <iostream>                /* Classe std::ostream.    */
#include <string>                  /* Classe string.     */
#include <stdarg.h>

/* --------------------------------------------------------------------- */
/* --- CLASS ----------------------------------------------------------- */
/* --------------------------------------------------------------------- */


class VISP_EXPORT vpException : public std::exception
{
  protected:

    int code;

    std::string message;

    void setMessage(const char* format, va_list args);

    vpException(): code(notInitialized), message("") { };

  public:

    enum generalExceptionEnum
    {
      memoryAllocationError,
      memoryFreeError,
      functionNotImplementedError,
      ioError,
      cannotUseConstructorError,
      notImplementedError,
      divideByZeroError,
      dimensionError,
      fatalError,
      badValue, 
      notInitialized 
    } ;

    vpException (const int code, const char* format, va_list args);
    vpException (const int code, const char* format, ...);
    vpException (const int code, const std::string & msg);
    vpException (const int code);

    virtual ~vpException() throw() {}

    int getCode (void);

    const std::string &getStringMessage (void) const;
    const char *getMessage (void) const;

    friend VISP_EXPORT std::ostream & operator << (std::ostream & os, const vpException & art);

    const char* what () const throw();
};

#endif /* #ifndef __vpException_H */