private void CalculateSections(IEnumerable <VisualLine> visualLines)
{
foreach (var lineSegment in visualLines)
{
if (lineSegment.VisualLength == 0)
{
continue;
}
var section = new Section(lineSegment.StartOffset,
lineSegment.LastDocumentLine.EndOffset,
lineSegment.LastDocumentLine.DelimiterLength);
var firstChar = lineSegment.Document.GetCharAt(lineSegment.StartOffset);
switch (firstChar)
{
case '+':
HighlighterHelper.AddToSection(_plusLinesSections, section);
break;
case '-':
HighlighterHelper.AddToSection(_minusLinesSections, section);
break;
case '@':
case '\\':
HighlighterHelper.AddToSection(_headers, section);
break;
}
}
}
private void AddMarkerForDifferences(IMarkerRender markerRender, ITextSource textSource)
{
if (!_minusLinesSections.Any())
{
return;
}
if (!_plusLinesSections.Any())
{
return;
}
var intersections = HighlighterHelper.GetIntersections(_minusLinesSections, _plusLinesSections);
foreach (var intersection in intersections)
{
HighlighterHelper.MarkDifferenceForSection(intersection.Item1,
intersection.Item2, markerRender, textSource, Differ);
}
}
