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/*
//
// Copyright 1997-2010 Torsten Rohlfing
//
// Copyright 2004-2010 SRI International
//
// This file is part of the Computational Morphometry Toolkit.
//
// http://www.nitrc.org/projects/cmtk/
//
// The Computational Morphometry Toolkit 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 3 of
// the License, or (at your option) any later version.
//
// The Computational Morphometry Toolkit 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 the Computational Morphometry Toolkit. If not, see
// <http://www.gnu.org/licenses/>.
//
// $Revision: 2398 $
//
// $LastChangedDate: 2010-10-05 14:54:37 -0700 (Tue, 05 Oct 2010) $
//
// $LastChangedBy: torstenrohlfing $
//
*/
#ifndef __cmtkExitException_h_included_
#define __cmtkExitException_h_included_
#include <cmtkconfig.h>
#include <exception>
#include <stdlib.h>
#include <string>
#include <System/cmtkConsole.h>
namespace
cmtk
{
/** \addtogroup System */
//@{
/** Program exit exception class.
* Throwing an object of this class should return control to the global main() function,
* which should exit() with the given exit status. This should ensure that all local
* automatic as well as global static objects have their destructors called.
*
* The global main() function can make use of this exception via the following wrapper
* construct,
*\code
* int
* main( const int argc, const char* argv[] )
* {
* int exitCode = 0;
* try
* {
* exitCode = doMain( argc, argv );
* }
* catch ( const cmtk::ExitException& ex )
* {
* exitCode = ex.ExitCode();
* }
* return exitCode;
* }
*\endcode
* where the actual function of the program is moved into the doMain() implementation function.
*/
class ExitException :
/// Inherit from C++ standard exception.
public std::exception
{
public:
/** Constructor.
*/
ExitException( const int exitCode = 0 /*!< Program exit code. */ ) : m_ExitCode( exitCode ) {}
/// Virtual destructor.
virtual ~ExitException() throw() {};
/// Overwrite inherited "what" member.
virtual const char* what() const throw()
{
return "cmtk::ExitException";
}
/// Return exit code.
int ExitCode() const
{
return this->m_ExitCode;
}
private:
/// Program exit code.
const int m_ExitCode;
};
//@}
} // namespace cmtk
#endif // #ifndef __cmtkExitException_h_included_
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