public static object Scalar(this CompiledExpression evaluator, IElementNavigator input, EvaluationContext ctx)
{
return(evaluator.Scalar(input.ToTypedElement(), ctx));
}
public static object Scalar(this CompiledExpression evaluator, ITypedElement input, EvaluationContext ctx)
{
var result = evaluator(input, ctx);
if (result.Any())
{
return(evaluator(input, ctx).Single().Value);
}
else
{
return(null);
}
}
public static bool IsBoolean(this CompiledExpression evaluator, bool value, ITypedElement input, EvaluationContext ctx)
{
var result = evaluator(input, ctx).BooleanEval();
if (result == null)
{
return(false);
}
else
{
return(result.Value == value);
}
}
public static IEnumerable <IElementNavigator> Select(this IElementNavigator input, string expression, EvaluationContext ctx = null)
{
return(Select(input.ToTypedElement(), expression, ctx).Select(t => t.ToElementNavigator()));
}
public static object Scalar(this IElementNavigator input, string expression, EvaluationContext ctx = null)
{
return(Scalar(input.ToTypedElement(), expression, ctx));
}
public static bool IsBoolean(this ITypedElement input, string expression, bool value, EvaluationContext ctx = null)
{
var evaluator = getCompiledExpression(expression);
return(evaluator.IsBoolean(value, input, ctx ?? EvaluationContext.CreateDefault()));
}
public static bool Predicate(this ITypedElement input, string expression, EvaluationContext ctx = null)
{
var evaluator = getCompiledExpression(expression);
return(evaluator.Predicate(input, ctx ?? EvaluationContext.CreateDefault()));
}
public static IEnumerable <ITypedElement> Select(this ITypedElement input, string expression, EvaluationContext ctx = null)
{
var evaluator = getCompiledExpression(expression);
return(evaluator(input, ctx ?? EvaluationContext.CreateDefault()));
}
public static bool IsBoolean(this IElementNavigator input, string expression, bool value, EvaluationContext ctx = null)
{
return(IsBoolean(input.ToTypedElement(), expression, value, ctx));
}
public static bool Predicate(this IElementNavigator input, string expression, EvaluationContext ctx = null)
{
return(Predicate(input.ToTypedElement(), expression, ctx));
}
