private static ClassifiedSpan[] ConvertMultiLineToSingleLineSpans(SourceText text, ClassifiedSpan[] classifiedSpans)
{
using var _ = ArrayBuilder <ClassifiedSpan> .GetInstance(out var updatedClassifiedSpans);
for (var spanIndex = 0; spanIndex < classifiedSpans.Length; spanIndex++)
{
var span = classifiedSpans[spanIndex];
text.GetLinesAndOffsets(span.TextSpan, out var startLine, out var startOffset, out var endLine, out var endOffSet);
// If the start and end of the classified span are not on the same line, we're dealing with a multi-line span.
// Since VS doesn't support multi-line spans/tokens, we need to break the span up into single-line spans.
if (startLine != endLine)
{
spanIndex = ConvertToSingleLineSpan(
text, classifiedSpans, updatedClassifiedSpans, spanIndex, span.ClassificationType,
startLine, startOffset, endLine, endOffSet);
}
else
{
// This is already a single-line span, so no modification is necessary.
updatedClassifiedSpans.Add(span);
}
}
return(updatedClassifiedSpans.ToArray());
public static VsTextSpan GetVsTextSpanForSpan(this SourceText text, TextSpan textSpan)
{
text.GetLinesAndOffsets(textSpan, out var startLine, out var startOffset, out var endLine, out var endOffset);
return(new VsTextSpan()
{
iStartLine = startLine,
iStartIndex = startOffset,
iEndLine = endLine,
iEndIndex = endOffset
});
}
public static Range AsRange(this TextSpan span, SourceText sourceText)
{
if (sourceText is null)
{
throw new ArgumentNullException(nameof(sourceText));
}
sourceText.GetLinesAndOffsets(span, out var startLine, out var startChar, out var endLine, out var endChar);
var range = new Range {
Start = new Position(startLine, startChar), End = new Position(endLine, endChar)
};
return(range);
}
