public void DeclareVariable(XPathCompiledExpression compiledExpression)
{
if (_scopeStack is not null)
{
_scopeStack.Peek()[compiledExpression.Expression] = default;
}
}
public object Evaluate(XPathCompiledExpression compiledExpression)
{
Infra.NotNull(ExecutionContext);
compiledExpression.SetResolver(this);
return(new DataModelXPathNavigator(ExecutionContext.DataModel).Evaluate(compiledExpression.XPathExpression) !);
}
public XPathLocationExpressionEvaluator(ILocationExpression locationExpression, XPathCompiledExpression compiledExpression)
{
_locationExpression = locationExpression;
_compiledExpression = compiledExpression;
if (_locationExpression.Is <XPathLocationExpression>(out var xPathLocationExpression))
{
_assignType = xPathLocationExpression.AssignType;
_attribute = xPathLocationExpression.Attribute;
}
else
{
_assignType = XPathAssignType.ReplaceChildren;
}
}
public XPathValueExpressionEvaluator(IValueExpression valueExpression, XPathCompiledExpression compiledExpression)
{
_valueExpression = valueExpression;
_compiledExpression = compiledExpression;
}
public string GetName(XPathCompiledExpression compiledExpression) => compiledExpression.Expression;
public XPathConditionExpressionEvaluator(IConditionExpression conditionExpression, XPathCompiledExpression compiledExpression)
{
_conditionExpression = conditionExpression;
_compiledExpression = compiledExpression;
}