static HexCell GetCell(HexBufferLineFormatter bufferLines, HexBufferPoint position)
{
var line = bufferLines.GetLineFromPosition(position);
var cell = line.ValueCells.GetCell(position);
if (cell == null && position == line.BufferEnd && position > line.BufferStart)
{
cell = line.ValueCells.GetCell(position - 1);
}
return(cell);
}
public void Add(HexBufferLineFormatter bufferLines, HexClassifier classifier, NormalizedHexBufferSpanCollection spans, CancellationToken cancellationToken)
{
if (bufferLines == null)
{
throw new ArgumentNullException(nameof(bufferLines));
}
if (classifier == null)
{
throw new ArgumentNullException(nameof(classifier));
}
if (spans == null)
{
throw new ArgumentNullException(nameof(spans));
}
if (spans.Count != 0 && spans[0].Buffer != bufferLines.Buffer)
{
throw new ArgumentException();
}
var classificationSpans = new List <HexClassificationSpan>();
foreach (var span in spans)
{
if (spansCount > 0)
{
htmlWriter.WriteRaw(delimiter);
}
spansCount++;
var pos = span.Start;
for (;;)
{
classificationSpans.Clear();
var line = bufferLines.GetLineFromPosition(pos);
var text = line.GetText(span);
var context = new HexClassificationContext(line, line.TextSpan);
classifier.GetClassificationSpans(classificationSpans, context, cancellationToken);
int textPos = 0;
foreach (var tagSpan in classificationSpans)
{
if (textPos < tagSpan.Span.Start)
{
WriteCss(classificationFormatMap.DefaultTextProperties);
htmlWriter.WriteSpan(cssWriter.ToString(), text, textPos, tagSpan.Span.Start - textPos);
}
WriteCss(classificationFormatMap.GetTextProperties(tagSpan.ClassificationType));
htmlWriter.WriteSpan(cssWriter.ToString(), text, tagSpan.Span.Start, tagSpan.Span.Length);
textPos = tagSpan.Span.End;
}
if (textPos < text.Length)
{
WriteCss(classificationFormatMap.DefaultTextProperties);
htmlWriter.WriteSpan(cssWriter.ToString(), text, textPos, text.Length - textPos);
}
htmlWriter.WriteRaw("<br/>");
pos = line.BufferEnd;
if (pos >= span.End)
{
break;
}
}
}
}
