/// <summary>
/// Evaluates using the specified evaluator.
/// </summary>
/// <param name="evaluator">The evaluator.</param>
/// <param name="baseRow">The base row.</param>
/// <param name="baseColumn">The base column.</param>
/// <param name="actualObj">The actual value object.</param>
/// <returns><c>true</c> if the result is successful; otherwise, <c>false</c>.</returns>
public override bool Evaluate(ICalcEvaluator evaluator, int baseRow, int baseColumn, IActualValue actualObj)
{
if (this.customValueType == CustomValueType.Formula)
{
object val = base.GetExpected(evaluator, baseRow, baseColumn);
if (this.IgnoreBlank && (val == null))
{
return(true);
}
bool?nullable = ConditionValueConverter.TryBool(val);
if (!nullable.HasValue)
{
return(false);
}
return(nullable.Value);
}
object objA = actualObj.GetValue();
switch (this.customValueType)
{
case CustomValueType.Empty:
return((objA == null) || object.Equals(objA, string.Empty));
case CustomValueType.NonEmpty:
if (objA == null)
{
return(false);
}
return(!object.Equals(objA, string.Empty));
case CustomValueType.Error:
return(evaluator.IsCalcError(objA));
case CustomValueType.NonError:
return(!evaluator.IsCalcError(objA));
}
return(false);
}
/// <summary>
/// Gets the expected bool value.
/// </summary>
/// <param name="evaluator">The evaluator.</param>
/// <param name="baseRow">The base row index.</param>
/// <param name="baseColumn">The base column index.</param>
/// <returns>Returns the expected bool value.</returns>
protected bool?GetExpectedBoolean(ICalcEvaluator evaluator, int baseRow, int baseColumn)
{
return(ConditionValueConverter.TryBool(this.GetExpected(evaluator, baseRow, baseColumn)));
}