// Copyright (c) 2003  Per M.A. Bothner.// This is free software;  for terms and warranty disclaimer see ./COPYING.package gnu.kawa.xml;import gnu.lists.*;/** Used to implement a child:: step in a path expression. */public class ChildAxis extends TreeScanner{  public static ChildAxis make (NodePredicate type)  {    ChildAxis axis = new ChildAxis();    axis.type = type;    return axis;  }  public void scan (AbstractSequence seq, int ipos, PositionConsumer out)  {    int child = seq.firstChildPos(ipos, type);    while (child != 0)      {	out.writePosition(seq, child);      	child = seq.nextMatching(child, type, -1, false);      }  }}