public IEnumerable <DocumentNodeMarkerSortedListBase.IntersectionResult> Intersect(DocumentNodeMarkerSortedListBase rhs, DocumentNodeMarkerSortedListBase.Flags flags)
{
int thisCur = 0;
int rhsCur = 0;
for (; thisCur < this.Count; ++thisCur)
{
while (rhsCur < rhs.Count && thisCur < this.Count && rhs.MarkerAt(rhsCur).CompareTo((object)this.MarkerAt(thisCur)) < 0)
{
bool wasContained = false;
if ((flags & DocumentNodeMarkerSortedListBase.Flags.ContainedBy) != DocumentNodeMarkerSortedListBase.Flags.None)
{
int rhsLookahead;
for (rhsLookahead = rhsCur; rhsLookahead < rhs.Count && rhs.MarkerAt(rhsLookahead).Contains(this.MarkerAt(thisCur)); ++rhsLookahead)
{
yield return(new DocumentNodeMarkerSortedListBase.IntersectionResult(thisCur, rhsLookahead, DocumentNodeMarkerSortedListBase.Flags.ContainedBy));
}
if (rhsLookahead != rhsCur)
{
wasContained = true;
}
}
if (wasContained)
{
++thisCur;
}
else
{
++rhsCur;
}
}
if (rhsCur >= rhs.Count || thisCur >= this.Count)
{
break;
}
if ((flags & DocumentNodeMarkerSortedListBase.Flags.Equals) != DocumentNodeMarkerSortedListBase.Flags.None && rhs.MarkerAt(rhsCur).CompareTo((object)this.MarkerAt(thisCur)) == 0)
{
yield return(new DocumentNodeMarkerSortedListBase.IntersectionResult(thisCur, rhsCur, DocumentNodeMarkerSortedListBase.Flags.Equals));
}
else if ((flags & DocumentNodeMarkerSortedListBase.Flags.Contains) != DocumentNodeMarkerSortedListBase.Flags.None)
{
for (int rhsLookahead = rhsCur; rhsLookahead < rhs.Count && this.MarkerAt(thisCur).Contains(rhs.MarkerAt(rhsLookahead)); ++rhsLookahead)
{
yield return(new DocumentNodeMarkerSortedListBase.IntersectionResult(thisCur, rhsLookahead, DocumentNodeMarkerSortedListBase.Flags.Contains));
}
}
}
}
public IEnumerable <DocumentNodeMarkerSortedListBase.IntersectionResult> UnionIdentity(DocumentNodeMarkerSortedListBase rhs)
{
int thisCur = 0;
int rhsCur = 0;
for (; thisCur < this.Count; ++thisCur)
{
int currentResult = 1;
for (; rhsCur < rhs.Count && (currentResult = rhs.MarkerAt(rhsCur).CompareTo((object)this.MarkerAt(thisCur))) < 0; ++rhsCur)
{
yield return(new DocumentNodeMarkerSortedListBase.IntersectionResult(-1, rhsCur, DocumentNodeMarkerSortedListBase.Flags.Equals));
}
if (rhsCur < rhs.Count)
{
if (currentResult == 0)
{
yield return(new DocumentNodeMarkerSortedListBase.IntersectionResult(thisCur, rhsCur, DocumentNodeMarkerSortedListBase.Flags.Equals));
++rhsCur;
}
else
{
yield return(new DocumentNodeMarkerSortedListBase.IntersectionResult(thisCur, -1, DocumentNodeMarkerSortedListBase.Flags.Equals));
}
}
else
{
yield return(new DocumentNodeMarkerSortedListBase.IntersectionResult(thisCur, -1, DocumentNodeMarkerSortedListBase.Flags.Equals));
}
}
for (; rhsCur < rhs.Count; ++rhsCur)
{
yield return(new DocumentNodeMarkerSortedListBase.IntersectionResult(-1, rhsCur, DocumentNodeMarkerSortedListBase.Flags.Equals));
}
}
public IEnumerable <DocumentNodeMarkerSortedListBase.IntersectionResult> IntersectIdentity(DocumentNodeMarkerSortedListBase rhs)
{
int thisCur = 0;
int rhsCur = 0;
for (; thisCur < this.Count; ++thisCur)
{
if (rhs.MarkerAt(rhsCur).CompareTo((object)this.MarkerAt(thisCur)) <= 0)
{
rhsCur = rhs.FindNormalizedPosition(this.MarkerAt(thisCur));
if (rhsCur >= rhs.Count)
{
break;
}
if (rhs.MarkerAt(rhsCur) == this.MarkerAt(thisCur))
{
yield return(new DocumentNodeMarkerSortedListBase.IntersectionResult(thisCur, rhsCur, DocumentNodeMarkerSortedListBase.Flags.Equals));
}
}
}
}