/*
* FlushCmd.java --
*
* 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: FlushCmd.java,v 1.1.1.1 1998/10/14 21:09:18 cvsadmin Exp $
*
*/
using System;
using System.IO;
namespace tcl.lang
{

  /// <summary> This class implements the built-in "flush" command in Tcl.</summary>

  class FlushCmd : Command
  {

    /// <summary> This procedure is invoked to process the "flush" Tcl command.
    /// See the user documentation for details on what it does.
    /// 
    /// </summary>
    /// <param name="interp">the current interpreter.
    /// </param>
    /// <param name="argv">command arguments.
    /// </param>

    public TCL.CompletionCode cmdProc( Interp interp, TclObject[] argv )
    {

      Channel chan; /* The channel being operated on this method */

      if ( argv.Length != 2 )
      {
        throw new TclNumArgsException( interp, 1, argv, "channelId" );
      }


      chan = TclIO.getChannel( interp, argv[1].ToString() );
      if ( chan == null )
      {

        throw new TclException( interp, "can not find channel named \"" + argv[1].ToString() + "\"" );
      }

      try
      {
        chan.flush( interp );
      }
      catch ( IOException e )
      {
        throw new TclRuntimeError( "FlushCmd.cmdProc() Error: IOException when flushing " + chan.ChanName );
      }
      return TCL.CompletionCode.RETURN;
    }
  }
}