/*
 * Copyright (c) 1999 World Wide Web Consortium,
 * (Massachusetts Institute of Technology, Institut National de
 * Recherche en Informatique et en Automatique, Keio University). All
 * Rights Reserved. This program is distributed under the W3C's Software
 * Intellectual Property License. This program 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 W3C License http://www.w3.org/Consortium/Legal/ for more details.
 *
 * $Id: ElementSelector.java 477010 2006-11-20 02:54:38Z mrglavas $
 */
package org.w3c.css.sac;


/**
 * The Interface ElementSelector.
 *
 * @author Philippe Le Hegaret
 * @version $Revision: 477010 $
 * @see Selector#SAC_ELEMENT_NODE_SELECTOR
 */
public interface ElementSelector extends SimpleSelector {

	/**
	 * Returns the <a
	 * href="http://www.w3.org/TR/REC-xml-names/#dt-NSName">namespace URI</a> of
	 * this element selector.
	 * <p>
	 * <code>NULL</code> if this element selector can match any namespace.
	 * </p>
	 *
	 * @return the namespace uri
	 */
	public String getNamespaceURI();

	/**
	 * Returns the <a
	 * href="http://www.w3.org/TR/REC-xml-names/#NT-LocalPart">local part</a> of
	 * the <a href="http://www.w3.org/TR/REC-xml-names/#ns-qualnames">qualified
	 * name</a> of this element.
	 * <p>
	 * <code>NULL</code> if this element selector can match any element.
	 * </p>
	 *
	 * @return the local name
	 */
	public String getLocalName();
}