/*
Wotonomy: OpenStep design patterns for pure Java applications.
Copyright (C) 2000 Blacksmith, Inc.

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library 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
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see http://www.gnu.org
*/

package net.wotonomy.foundation;

/**
* A pure java implementation of NSMutableRange.
* An NSMutableRange is a modifiable NSRange.
*
* @author michael@mpowers.net
* @author $Author: cgruber $
* @version $Revision: 893 $
*/
public class NSMutableRange extends NSRange
{
    /**
    * Default constructor produces an empty range.
    */
    public NSMutableRange ()
    {
    	super();
    }

    /**
    * Produces a range that has the same location and length as 
    * the specified range.
    */
    public NSMutableRange (NSRange aRange)
    {
    	super( aRange );
    }

    /**
    * Produces a range with the specified location and length.
    */
    public NSMutableRange (int location, int length)
    {
    	super( location, length );
    }

    /**
    * Sets the location of this range.
    */
    public void setLocation (int location)
    {
    	loc = location;
    }

    /**
    * Sets the length of this range.
    */
    public void setLength (int length)
    {
    	len = length;
    }
    
    /**
    * Modifies this range to be the union of this
    * range and the specified range.
	*/
    public void unionRange (NSRange aRange)
    {
    	NSRange range = rangeByUnioningRange( aRange );
	    setLocation( range.location() );
	    setLength( range.length() );
    }

    /**
    * Modifies this range to be the intersection of this
    * range and the specified range.
	*/
    public void intersectRange (NSRange aRange)
    {
    	NSRange range = rangeByIntersectingRange( aRange );
	    setLocation( range.location() );
	    setLength( range.length() );
    }

    /**
    * Returns a copy of this range.
	*/
    public Object clone ()
    {
    	return new NSMutableRange( location(), length() );
    }
}

/*
 * $Log$
 * Revision 1.2  2006/02/16 13:15:00  cgruber
 * Check in all sources in eclipse-friendly maven-enabled packages.
 *
 * Revision 1.1.1.1  2000/12/21 15:47:36  mpowers
 * Contributing wotonomy.
 *
 * Revision 1.3  2000/12/20 16:25:38  michael
 * Added log to all files.
 *
 *
 */