/*
 * (c) COPYRIGHT 1999 World Wide Web Consortium
 * (Massachusetts Institute of Technology, Institut National de Recherche
 *  en Informatique et en Automatique, Keio University).
 * All Rights Reserved. http://www.w3.org/Consortium/Legal/
 *
 * $Id: PositionalCondition.java 477010 2006-11-20 02:54:38Z mrglavas $
 */
package org.w3c.css.sac;


/**
 * The Interface PositionalCondition.
 *
 * @author Philippe Le Hegaret
 * @version $Revision: 477010 $
 * @see Condition#SAC_POSITIONAL_CONDITION
 */
public interface PositionalCondition extends Condition {

	/**
	 * Returns the position in the tree.
	 * <p>
	 * A negative value means from the end of the child node list.
	 * <p>
	 * The child node list begins at 0.
	 *
	 * @return the position
	 */
	public int getPosition();

	/**
	 * <code>true</code> if the child node list only shows nodes of the same
	 * type of the selector (only elements, only PIS, ...)
	 *
	 * @return the type node
	 */
	public boolean getTypeNode();

	/**
	 * <code>true</code> if the node should have the same node type (for
	 * element, same namespaceURI and same localName).
	 *
	 * @return the type
	 */
	public boolean getType();
}