private void GenerateSpan(TextWriter tw, ClassificationSpan span, string spanText, ref int referenceIndex, ref ReferenceSpan currentReference, IReadOnlyList <ReferenceSpan> referenceSpans)
{
while ((currentReference == null || currentReference.Start < span.Start) && referenceIndex < referenceSpans.Count)
{
referenceIndex++;
if (referenceIndex < referenceSpans.Count)
{
currentReference = referenceSpans[referenceIndex];
}
else
{
currentReference = null;
}
}
if (currentReference != null)
{
GetBestReference(ref referenceIndex, ref currentReference, referenceSpans);
}
string cssClass = MapClassificationToCssClass(span.Classification);
string referenceClass = string.Empty;
if (span.LocalGroupId > 0)
{
referenceClass = $"r{span.LocalGroupId} r";
cssClass = string.IsNullOrEmpty(cssClass) ? referenceClass : $"{referenceClass} {cssClass}";
}
HtmlElementInfo htmlElementInfo = null;
if (currentReference?.SpanEquals(span) == true)
{
htmlElementInfo = GenerateHyperlinkForReference(currentReference.Reference);
}
if (htmlElementInfo == null && !span.Contains(currentReference))
{
if (cssClass == null)
{
tw.Write(HttpUtility.HtmlEncode(spanText));
return;
}
}
string elementName = "span";
bool classAttributeSpecified = false;
if (htmlElementInfo != null)
{
elementName = htmlElementInfo.Name;
if (htmlElementInfo.RequiresWrappingSpan)
{
tw.Write("<span");
AddAttribute(tw, "class", cssClass);
tw.Write(">");
classAttributeSpecified = true;
}
}
tw.Write("<" + elementName);
if (htmlElementInfo != null)
{
foreach (var attribute in htmlElementInfo.Attributes)
{
if (AddAttribute(tw, attribute.Key, attribute.Value))
{
if (attribute.Key == "class")
{
classAttributeSpecified = true;
}
}
}
}
if (!classAttributeSpecified)
{
AddAttribute(tw, "class", cssClass);
}
if (span.LocalGroupId > 0 && (htmlElementInfo?.Attributes?.ContainsKey("onclick") != true))
{
AddAttribute(tw, "onclick", "t(this);");
}
tw.Write(">");
if (htmlElementInfo != null || !span.Contains(currentReference))
{
tw.Write(HttpUtility.HtmlEncode(spanText));
}
else
{
WriteReferenceText(tw, span, spanText, ref referenceIndex, ref currentReference, referenceSpans);
}
tw.Write("</" + elementName + ">");
if (htmlElementInfo?.RequiresWrappingSpan == true)
{
tw.Write("</span>");
}
}
