/*
* LindexCmd.java - -
*
*	Implements the built-in "lindex" Tcl command.
*
* Copyright (c) 1997 Cornell University.
* Copyright (c) 1997 Sun Microsystems, Inc.
*
* See the file "license.terms" for information on usage and
* redistribution of this file, and for a DISCLAIMER OF ALL
* WARRANTIES.
* 
* Included in SQLite3 port to C# for use in testharness only;  2008 Noah B Hart
*
* RCS @(#) $Id: LindexCmd.java,v 1.2 2000/03/17 23:31:30 mo Exp $
*
*/
using System;
namespace tcl.lang
{

  /*
  * This class implements the built-in "lindex" command in Tcl.
  */

  class LindexCmd : Command
  {

    public TCL.CompletionCode cmdProc( Interp interp, TclObject[] argv )
    {
      if ( argv.Length < 3 )
      {
        throw new TclNumArgsException( interp, 1, argv, "list index" );
      }

      int size = TclList.getLength( interp, argv[1] );
      int index = Util.getIntForIndex( interp, argv[2], size - 1 );
      TclObject element = TclList.index( interp, argv[1], index );

      if ( element != null )
      {
        interp.setResult( element );
      }
      else
      {
        interp.resetResult();
      }
      return TCL.CompletionCode.RETURN;
    }
  } // end 
}