/// <summary>
/// Evaluate the expression, returning the result as an <c>XdmValue</c> (that is,
/// a sequence of nodes and/or atomic values).
/// </summary>
/// <remarks>
/// Although a singleton result <i>may</i> be represented as an <c>XdmItem</c>, there is
/// no guarantee that this will always be the case. If you know that the expression will return at
/// most one node or atomic value, it is best to use the <c>EvaluateSingle</c> method, which
/// does guarantee that an <c>XdmItem</c> (or null) will be returned.
/// </remarks>
/// <returns>
/// An <c>XdmValue</c> representing the results of the expression.
/// </returns>
public XdmValue Evaluate()
{
JXPathContextMajor context = new JXPathContextMajor(contextItem, config);
context.setStackFrame(env.getStackFrameMap(), variableValues);
JValueRepresentation value = JSequenceExtent.makeSequenceExtent(exp.iterate(context));
return(XdmValue.Wrap(value));
}
// internal constructor
internal XPathSelector(JXPathExpression exp, JConfiguration config, DotNetIndependentContext env)
{
this.exp = exp.getInternalExpression();
this.config = config;
this.env = env;
variableValues = new JValueRepresentation[env.getStackFrameMap().getNumberOfVariables()];
// TODO: there are some reuse issues here if the compiler/static context has been reused
}
// internal constructor
internal XPathSelector(JXPathExpression exp, JConfiguration config, DotNetIndependentContext env) {
this.exp = exp.getInternalExpression();
this.config = config;
this.env = env;
variableValues = new JValueRepresentation[env.getStackFrameMap().getNumberOfVariables()];
// TODO: there are some reuse issues here if the compiler/static context has been reused
}