private static int AdjustFixedLength(int baseLength, ScannableEntryItemRepeatInfo repeatData)
{
if (repeatData.Min == repeatData.Max && repeatData.Min != null)
{
return(baseLength * repeatData.Min.Value);
}
else if ((repeatData.Options & ~(ScannableEntryItemRepeatOptions.AnyOrder | ScannableEntryItemRepeatOptions.MaxReduce | ScannableEntryItemRepeatOptions.Specific)) == ScannableEntryItemRepeatOptions.None)
{
return(baseLength);
}
else
{
return(-1);
}
}
public static ScannableEntryItemRepeatInfo operator |(ScannableEntryItemRepeatInfo left, ScannableEntryItemRepeatInfo right)
{
if (left.Options == ScannableEntryItemRepeatOptions.Specific &&
right.Options == ScannableEntryItemRepeatOptions.Specific)
{
throw new InvalidOperationException("left and right are both specific match requirements");
}
if (left.Options == ScannableEntryItemRepeatOptions.Specific)
{
ScannableEntryItemRepeatInfo result = new ScannableEntryItemRepeatInfo(left.Min, left.Max);
result.Options = left.Options | right.Options;
return(result);
}
if (right.Options == ScannableEntryItemRepeatOptions.Specific)
{
ScannableEntryItemRepeatInfo result = new ScannableEntryItemRepeatInfo(right.Min, right.Max);
result.Options = left.Options | right.Options;
return(result);
}
return(new ScannableEntryItemRepeatInfo(left.Options | right.Options));
}
