public XPathSingletonIterator(XPathSingletonIterator it)
{
_nav = it._nav.Clone();
_position = it._position;
}
public XPathSingletonIterator(XPathSingletonIterator it)
{
this.nav = it.nav.Clone();
this.position = it.position;
}
public virtual object Evaluate(XPathExpression expr, XPathNodeIterator context)
{
CompiledXpathExpr expr2 = expr as CompiledXpathExpr;
if (expr2 == null)
{
throw XPathException.Create("Xp_BadQueryObject");
}
Query query = Query.Clone(expr2.QueryTree);
query.Reset();
if (context == null)
{
context = new XPathSingletonIterator(this.Clone(), true);
}
object obj2 = query.Evaluate(context);
if (obj2 is XPathNodeIterator)
{
return new XPathSelectionIterator(context.Current, query);
}
return obj2;
}
public virtual object Evaluate(XPathExpression expr, XPathNodeIterator context)
{
CompiledXpathExpr cexpr = expr as CompiledXpathExpr;
if (cexpr == null)
{
throw XPathException.Create(SR.Xp_BadQueryObject);
}
Query query = Query.Clone(cexpr.QueryTree);
query.Reset();
if (context == null)
{
context = new XPathSingletonIterator(this.Clone(), /*moved:*/true);
}
object result = query.Evaluate(context);
if (result is XPathNodeIterator)
{
return new XPathSelectionIterator(context.Current, query);
}
return result;
}
