public bool Includes(IRangeElement element)
{
if (element == null)
{
return(false);
}
if (element is StartsWithElement)
{
return(((StartsWithElement)element).Start.CompareTo(End) <= 0);
}
if (element is RangeElement)
{
return(((RangeElement)element).End.End.CompareTo(End) <= 0);
}
if (element is LessThanElement)
{
return(((LessThanElement)element).End.CompareTo(End) <= 0);
}
if (element is GreaterThanElement)
{
return(false);
}
return(false);
}
public static bool Includes(this IEnumerable <IRangeElement> elements, IRangeElement find)
{
foreach (IRangeElement element in elements)
{
if (element.Includes(find) && !ReferenceEquals(element, find))
{
return(true);
}
}
return(false);
}
public bool Includes(IRangeElement element)
{
if (element == null)
{
return(false);
}
if (element is StartsWithElement)
{
return(Includes((StartsWithElement)element));
}
return(false);
}
public static bool Overlaps(this IRangeElement element, IRangeElement other)
{
if (element is LessThanElement && other is GreaterThanElement)
{
return(((LessThanElement)element).End.CompareTo(((GreaterThanElement)other).Begin) >= 0);
}
if (element is GreaterThanElement && other is LessThanElement)
{
return(((LessThanElement)other).End.CompareTo(((GreaterThanElement)element).Begin) >= 0);
}
return(false);
}
public bool Includes(IRangeElement element)
{
if (element == null)
{
return(false);
}
if (Begin.Includes(element) && End.Includes(element))
{
return(true);
}
return(false);
}
