/// <summary>
/// Returns true if the specified element begins and ends within the range.
/// </summary>
/// <param name="e"></param>
/// <returns></returns>
private bool isInScope(IHTMLElement e)
{
MarkupPointer p = MarkupServices.CreateMarkupPointer(e, _ELEMENT_ADJACENCY.ELEM_ADJ_BeforeBegin);
if (p.IsRightOfOrEqualTo(Start))
{
p = MarkupServices.CreateMarkupPointer(e, _ELEMENT_ADJACENCY.ELEM_ADJ_AfterEnd);
if (p.IsLeftOfOrEqualTo(End))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Returns true if the specified pointer is in a position between, or equal to the start/end points.
/// </summary>
/// <param name="p"></param>
/// <returns></returns>
private static bool isInRange(MarkupPointer start, MarkupPointer end, MarkupPointer p)
{
return start.IsLeftOfOrEqualTo(p) && end.IsRightOfOrEqualTo(p);
}
/// <summary>
/// Returns true if the specified pointer is in a position between, or equal to the start/end points.
/// </summary>
/// <param name="p"></param>
/// <returns></returns>
private static bool isInRange(MarkupPointer start, MarkupPointer end, MarkupPointer p)
{
return(start.IsLeftOfOrEqualTo(p) && end.IsRightOfOrEqualTo(p));
}
/// <summary>
/// Returns the markup pointer that is most deeply placed within the DOM.
/// </summary>
/// <param name="p1"></param>
/// <param name="p2"></param>
/// <returns></returns>
private MarkupPointer GetDeeperPoint(MarkupPointer p1, MarkupPointer p2)
{
IHTMLElement startElement = p1.CurrentScope;
IHTMLElement endElement = p2.CurrentScope;
int startSourceIndex = startElement != null ? startElement.sourceIndex : -1;
int endSourceIndex = startElement != null ? endElement.sourceIndex : -1;
if (startSourceIndex > endSourceIndex || (startSourceIndex == endSourceIndex && p1.IsRightOfOrEqualTo(p2)))
return p1;
else
return p2;
}