sdhexception.h

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/*
 * Copyright (c) 2007 SCHUNK GmbH & Co. KG
 * Copyright (c) 2017 Fraunhofer Institute for Manufacturing Engineering and Automation (IPA)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0

 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

//======================================================================
//======================================================================

#ifndef SDHEXCEPTION_H_
#define SDHEXCEPTION_H_

//----------------------------------------------------------------------
// System Includes - include with <>
//----------------------------------------------------------------------

#include <iostream>
#include <exception>
#include <stdarg.h>
#include <cstdio>     // needed in gcc-4.4 (as reported by Hannes Saal)

//----------------------------------------------------------------------
// Project Includes - include with ""
//----------------------------------------------------------------------

#include "sdhlibrary_settings.h"

//----------------------------------------------------------------------
// Defines, enums, unions, structs,
//----------------------------------------------------------------------

NAMESPACE_SDH_START


//----------------------------------------------------------------------
// Global variables
//----------------------------------------------------------------------


//----------------------------------------------------------------------
// Function and class declaration
//----------------------------------------------------------------------

class VCC_EXPORT cMsg
{
protected:

  enum
  {
    eMAX_MSG = 512 
  };

  char msg[ eMAX_MSG ];

public:
  cMsg();


  cMsg(cMsg const & other);


  cMsg(char const* fmt, ...) SDH__attribute__((format(printf, 2, 3)));

  /*
    Remark:
      Since non-static C++ methods have an implicit `this' argument,
      the arguments of such methods should be counted from two, not
      one, when giving values for STRING-INDEX and FIRST-TO-CHECK
      parameter of the format __attribute__.)
  */


  char const *c_str() const;

};

VCC_EXPORT std::ostream &operator<<(std::ostream &stream, cMsg const &msg);


//======================================================================

class VCC_EXPORT cSDHLibraryException: public std::exception
{

protected:
  cMsg msg;

public:
  cSDHLibraryException(char const * _type, cMsg const & _msg);

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

}; // cSDHLibraryException
//----------------------------------------------------------------------

class VCC_EXPORT cSDHErrorCommunication: public cSDHLibraryException
{
public:
  cSDHErrorCommunication(cMsg const & _msg)
    : cSDHLibraryException("cSDHErrorCommunication", _msg)
  {}

  cSDHErrorCommunication(char const* _type, cMsg const & _msg)
    : cSDHLibraryException(_type, _msg)
  {}
};
//-----------------------------------------------------------------

VCC_EXPORT std::ostream &operator<<(std::ostream &stream, cSDHLibraryException const &e);

//======================================================================

NAMESPACE_SDH_END

#endif


//======================================================================
/*
  Here are some settings for the emacs/xemacs editor (and can be safely ignored):
  (e.g. to explicitely set C++ mode for *.h header files)

  Local Variables:
  mode:C++
  mode:ELSE
  End:
*/
//======================================================================