| protected GetValue ( InterpretationContext context, ExplanationPart explain ) : IValue | ||
| context | InterpretationContext | The context on which the value must be found |
| explain | ExplanationPart | The explanation to fill, if any |
| return | IValue | |
protected internal override IValue GetValue(InterpretationContext context, ExplanationPart explain)
{
IValue retVal = null;
ListValue value = ListExpression.GetValue(context, explain) as ListValue;
if (value != null)
{
int token = PrepareIteration(context);
context.LocalScope.SetVariable(AccumulatorVariable);
Type resultType = GetExpressionType();
if (resultType != null)
{
AccumulatorVariable.Value = resultType.getValue("0");
foreach (IValue v in value.Val)
{
if (v != EfsSystem.Instance.EmptyValue)
{
// All elements should always be != from EmptyValue
ElementFound = true;
IteratorVariable.Value = v;
if (ConditionSatisfied(context, explain))
{
MatchingElementFound = true;
AccumulatorVariable.Value = Accumulator.GetValue(context, explain);
}
}
NextIteration();
}
}
EndIteration(context, explain, token);
retVal = AccumulatorVariable.Value;
}
return retVal;
}