/// <summary>
/// Evaluate the given JScript expression, returning the evaluation result
/// as a string.
/// </summary>
/// <param name="expr">JScript expression</param>
/// <exception cref="EvaluationException"/>
/// <returns></returns>
public string EvalExprAsString(string expr)
{
string str;
try
{
object obj2 = Evaluator.EvalToObject(expr);
var dummy = obj2 as IEnumerable;
if (!(obj2 is string) && (dummy != null))
{
var builder = new StringBuilder();
foreach (object obj3 in dummy)
{
builder.Append(obj3);
}
return(builder.ToString());
}
str = obj2.ToString();
}
catch (Exception exception)
{
throw EvaluationException.CreateException(expr, exception);
}
return(str);
}
/// <summary>
/// Evaluates the given boolean JScript.NET expression, returns the result.
/// </summary>
/// <returns>comparison evaluation</returns>
public bool EvalBool(string expr)
{
bool flag;
try
{
flag = Evaluator.EvalToType <bool>(expr);
}
catch (Exception exception)
{
throw EvaluationException.CreateException(expr, exception);
}
return(flag);
}
/// <summary>
/// Evaluate the given JScript.NET expression, return the result
/// as a text node.
/// </summary>
/// <param name="expr"></param>
/// <returns></returns>
public IEnumerable <XNode> EvalExpr(string expr)
{
IEnumerable <XNode> iterator;
try
{
object obj2 = Evaluator.EvalToObject(expr);
var dummy = obj2 as IEnumerable;
if (!(obj2 is string) && (dummy != null))
{
return(_GetAsNodeSet(dummy));
}
iterator = _GetAsNodeSet(new[] { obj2.ToString() });
}
catch (EvaluationException)
{
throw;
}
catch (Exception exception)
{
throw EvaluationException.CreateException(expr, exception);
}
return(iterator);
}