/**
* Test whether a specified node is visible in the logical view of a TreeWalker or NodeIterator.
* This function will be called by the implementation of TreeWalker and NodeIterator; it is not
* intended to be called directly from user code.
*
* @param n The node to check to see if it passes the filter or not.
* @return a constant to determine whether the node is accepted, rejected, or skipped, as defined
* above .
*/
public short acceptNode(int n) {
XPathContext xctxt = getXPathContext();
try {
xctxt.pushCurrentNode(n);
for (int i = 0; i < m_nodeTests.length; i++) {
PredicatedNodeTest pnt = m_nodeTests[i];
XObject score = pnt.execute(xctxt, n);
if (score != NodeTest.SCORE_NONE) {
// Note that we are assuming there are no positional predicates!
if (pnt.getPredicateCount() > 0) {
if (pnt.executePredicates(n, xctxt)) return DTMIterator.FILTER_ACCEPT;
} else return DTMIterator.FILTER_ACCEPT;
}
}
} catch (javax.xml.transform.TransformerException se) {
// TODO: Fix this.
throw new RuntimeException(se.getMessage());
} finally {
xctxt.popCurrentNode();
}
return DTMIterator.FILTER_SKIP;
}
