|
public MatchNode ( |
||
| current | ||
| return | ||
public override XPathNavigator MatchNode(XPathNavigator current)
{
XPathNavigator context = _child.MatchNode(current);
if (context == null)
{
return(null);
}
context = input.MatchNode(context);
if (context == null)
{
return(null);
}
Evaluate(new XPathSingletonIterator(context.Clone(), /*moved:*/ true));
XPathNavigator result = Advance();
while (result != null)
{
if (result.IsSamePosition(current))
{
return(context);
}
result = Advance();
}
return(null);
}
public override XPathNavigator MatchNode(XPathNavigator xsltContext)
{
if (xsltContext != null)
{
XPathNavigator result = qy1.MatchNode(xsltContext);
if (result != null)
{
return(result);
}
return(qy2.MatchNode(xsltContext));
}
return(null);
}
private static void EvaluateKey(XPathNavigator node, Query matchExpr, string matchStr, Query useExpr, Hashtable keyTable) {
try {
if (matchExpr.MatchNode(node) == null) {
return;
}
} catch(XPathException) {
throw XsltException.Create(Res.Xslt_InvalidPattern, matchStr);
}
object result = useExpr.Evaluate(new XPathSingletonIterator(node, /*moved:*/true));
XPathNodeIterator it = result as XPathNodeIterator;
if (it != null) {
bool checkDuplicates = false;
while (it.MoveNext()) {
AddKeyValue(keyTable, /*key:*/it.Current.Value, /*value:*/node, checkDuplicates);
checkDuplicates = true;
}
} else {
String key = XmlConvert.ToXPathString(result);
AddKeyValue(keyTable, key, /*value:*/node, /*checkDuplicates:*/ false);
}
}