//  $Id: TclCmd.hh,v 4.9 2002/04/09 11:48:46 katie Exp $
// Copyright (c) 2001,2002                        RIPE NCC
//
// All Rights Reserved
//
// Permission to use, copy, modify, and distribute this software and its
// documentation for any purpose and without fee is hereby granted,
// provided that the above copyright notice appear in all copies and that
// both that copyright notice and this permission notice appear in
// supporting documentation, and that the name of the author not be
// used in advertising or publicity pertaining to distribution of the
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// DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
// AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
//
//  Copyright (c) 1994 by the University of Southern California
//  All rights reserved.
//
//  Permission to use, copy, modify, and distribute this software and its
//  documentation in source and binary forms for lawful non-commercial
//  purposes and without fee is hereby granted, provided that the above
//  copyright notice appear in all copies and that both the copyright
//  notice and this permission notice appear in supporting documentation,
//  and that any documentation, advertising materials, and other materials
//  related to such distribution and use acknowledge that the software was
//  developed by the University of Southern California, Information
//  Sciences Institute. The name of the USC may not be used to endorse or
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//  written permission.
//
//  THE UNIVERSITY OF SOUTHERN CALIFORNIA DOES NOT MAKE ANY
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//  IN NO EVENT SHALL USC, OR ANY OTHER CONTRIBUTOR BE LIABLE FOR ANY
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//  Questions concerning this software should be directed to 
//  ratoolset@isi.edu.
//
//  Author(s): WeeSan Lee <wlee@ISI.EDU>


#ifndef TCLCMD_HH
#define TCLCMD_HH

#include <tk.h>
#include "TclObj.hh"

class TclCommand : public TclObject 
{
   private:
      static int command(ClientData ptData, Tcl_Interp *ptInterp,
			 int argc, char *argv[]);
      static void cleanUp(ClientData ptData);

   protected:
      virtual int command(int argc, char *argv[]) = 0;
      virtual void cleanUp(void) { delete this; }

   public:
      TclCommand(char *pzcName) : TclObject(pzcName) {}
      TclCommand(char *pzcName, void *pvExtraArgument) 
	 : TclObject(pzcName, pvExtraArgument) {}
      // Never keep track of this object's pointer,
      // so, there is no way to destroy it,
      // hence, destructor has never been called.
      // Instead, cleanUp() function is used to destroy this object itself.
      // ~TclCommand(void) { delete this; }
};

#endif // TCLCMD_HH