LinePartsCollection CreateLinePartsCollection(ITextAndAdornmentCollection coll, SnapshotSpan lineExtent)
{
if (coll.Count == 0)
{
return(new LinePartsCollection(emptyLineParts, lineExtent));
}
var list = new List <LinePart>();
int column = 0;
int startOffs = lineExtent.Start.Position;
foreach (var seqElem in coll)
{
var seqSpans = seqElem.Span.GetSpans(SourceTextSnapshot);
if (seqElem.ShouldRenderText)
{
foreach (var span in seqSpans)
{
var cspans = aggregateClassifier.GetClassificationSpans(span);
int lastOffs = span.Start.Position;
for (int i = 0; i < cspans.Count; i++)
{
var cspan = cspans[i];
int otherSize = cspan.Span.Start.Position - lastOffs;
if (otherSize != 0)
{
Debug.Assert(otherSize > 0);
list.Add(new LinePart(list.Count, column, new Span(lastOffs - startOffs, otherSize), DefaultTextProperties));
column += otherSize;
}
Add(list, column, cspan, lineExtent);
column += cspan.Span.Length;
lastOffs = cspan.Span.End.Position;
}
int lastSize = span.End.Position - lastOffs;
if (lastSize != 0)
{
list.Add(new LinePart(list.Count, column, new Span(lastOffs - startOffs, lastSize), DefaultTextProperties));
column += lastSize;
}
}
}
else
{
if (seqElem is IAdornmentElement adornmentElement && seqSpans.Count == 1)
{
var span = seqSpans[0].Span;
list.Add(new LinePart(list.Count, column, new Span(span.Start - startOffs, span.Length), adornmentElement, DefaultTextProperties));
column += list[list.Count - 1].ColumnLength;
}
}
}
Debug.Assert(list.Sum(a => a.ColumnLength) == column);
return(new LinePartsCollection(list, lineExtent));
}
ITextSnapshotLine GetBufferLine(ITextAndAdornmentCollection coll) => coll[0].Span.GetSpans(SourceTextSnapshot)[0].Start.GetContainingLine();
LinePartsCollection CreateLinePartsCollection(ITextAndAdornmentCollection coll, SnapshotSpan lineExtent) {
if (coll.Count == 0)
return new LinePartsCollection(emptyLineParts, lineExtent);
var list = new List<LinePart>();
int column = 0;
int startOffs = lineExtent.Start.Position;
foreach (var seqElem in coll) {
var seqSpans = seqElem.Span.GetSpans(SourceTextSnapshot);
if (seqElem.ShouldRenderText) {
foreach (var span in seqSpans) {
var cspans = aggregateClassifier.GetClassificationSpans(span);
int lastOffs = span.Start.Position;
for (int i = 0; i < cspans.Count; i++) {
var cspan = cspans[i];
int otherSize = cspan.Span.Start.Position - lastOffs;
if (otherSize != 0) {
Debug.Assert(otherSize > 0);
list.Add(new LinePart(list.Count, column, new Span(lastOffs - startOffs, otherSize), DefaultTextProperties));
column += otherSize;
}
Add(list, column, cspan, lineExtent);
column += cspan.Span.Length;
lastOffs = cspan.Span.End.Position;
}
int lastSize = span.End.Position - lastOffs;
if (lastSize != 0) {
list.Add(new LinePart(list.Count, column, new Span(lastOffs - startOffs, lastSize), DefaultTextProperties));
column += lastSize;
}
}
}
else {
var adornmentElement = seqElem as IAdornmentElement;
if (adornmentElement != null && seqSpans.Count == 1) {
var span = seqSpans[0].Span;
list.Add(new LinePart(list.Count, column, new Span(span.Start - startOffs, span.Length), adornmentElement, DefaultTextProperties));
column += list[list.Count - 1].ColumnLength;
}
}
}
Debug.Assert(list.Sum(a => a.ColumnLength) == column);
return new LinePartsCollection(list, lineExtent);
}
ITextSnapshotLine GetBufferLine(ITextAndAdornmentCollection coll) => coll[0].Span.GetSpans(SourceTextSnapshot)[0].Start.GetContainingLine();
