Decimal StepRange::parseStep(AnyStepHandling anyStepHandling, const StepDescription& stepDescription, const String& stepString)
{
if (stepString.isEmpty())
return stepDescription.defaultValue();
if (equalIgnoringCase(stepString, "any")) {
switch (anyStepHandling) {
case RejectAny:
return Decimal::nan();
case AnyIsDefaultStep:
return stepDescription.defaultValue();
default:
ASSERT_NOT_REACHED();
}
}
Decimal step = parseToDecimalForNumberType(stepString);
if (!step.isFinite() || step <= 0)
return stepDescription.defaultValue();
switch (stepDescription.stepValueShouldBe) {
case StepValueShouldBeReal:
step *= stepDescription.stepScaleFactor;
break;
case ParsedStepValueShouldBeInteger:
// For date, month, and week, the parsed value should be an integer for some types.
step = std::max(step.round(), Decimal(1));
step *= stepDescription.stepScaleFactor;
break;
case ScaledStepValueShouldBeInteger:
// For datetime, datetime-local, time, the result should be an integer.
step *= stepDescription.stepScaleFactor;
step = std::max(step.round(), Decimal(1));
break;
default:
ASSERT_NOT_REACHED();
}
ASSERT(step > 0);
return step;
}
