// Token: 0x0600625B RID: 25179 RVA: 0x001B9470 File Offset: 0x001B7670
private static TextSegment CreateNormalizedSegment(ITextPointer start, ITextPointer end)
{
if (start.CompareTo(end) == 0)
{
if (!TextPointerBase.IsAtInsertionPosition(start, start.LogicalDirection))
{
start = start.GetInsertionPosition(start.LogicalDirection);
end = start;
}
}
else
{
if (!TextPointerBase.IsAtInsertionPosition(start, start.LogicalDirection))
{
start = start.GetInsertionPosition(LogicalDirection.Forward);
}
if (!TextPointerBase.IsAtInsertionPosition(end, start.LogicalDirection))
{
end = end.GetInsertionPosition(LogicalDirection.Backward);
}
if (start.CompareTo(end) >= 0)
{
if (start.LogicalDirection == LogicalDirection.Backward)
{
start = end.GetFrozenPointer(LogicalDirection.Backward);
}
end = start;
}
}
return(new TextSegment(start, end));
}
/// <summary>
/// Creates a new segment with the specified pointers, but first
/// normalizes them to make sure they are on insertion positions.
/// </summary>
/// <param name="start">start of the new segment</param>
/// <param name="end">end of the new segment</param>
private static TextSegment CreateNormalizedSegment(ITextPointer start, ITextPointer end)
{
// Normalize the segment
if (start.CompareTo(end) == 0)
{
// When the range is empty we must keep it that way during normalization
if (!TextPointerBase.IsAtInsertionPosition(start, start.LogicalDirection))
{
start = start.GetInsertionPosition(start.LogicalDirection);
end = start;
}
}
else
{
if (!TextPointerBase.IsAtInsertionPosition(start, start.LogicalDirection))
{
start = start.GetInsertionPosition(LogicalDirection.Forward);
}
if (!TextPointerBase.IsAtInsertionPosition(end, start.LogicalDirection))
{
end = end.GetInsertionPosition(LogicalDirection.Backward);
}
// Collapse range in case of overlapped normalization result
if (start.CompareTo(end) >= 0)
{
// The range is effectuvely empty, so collapse it to single pointer instance
if (start.LogicalDirection == LogicalDirection.Backward)
{
// Choose a position normalized backward,
start = end.GetFrozenPointer(LogicalDirection.Backward);
// NOTE that otherwise we will use start position,
// which is oriented and normalizd Forward
}
end = start;
}
}
return(new TextSegment(start, end));
}