private string GenerateRtf(NormalizedSnapshotSpanCollection spans)
{
// This behavior is consistent with VS editor.
// Don't generate RTF for large spans (since it is expensive and probably not wanted).
int length = spans.Sum((span) => span.Length);
if (length < 1000000)
{
using (var dialog = _waitIndicator.StartWait(InteractiveWindowResources.WaitTitle, InteractiveWindowResources.WaitMessage, allowCancel: true))
{
return _rtfBuilderService.GenerateRtf(spans, dialog.CancellationToken);
}
}
else
{
return null;
}
}
string TryCreateHtmlText(NormalizedSnapshotSpanCollection spans) {
if (spans.Count == 0)
return null;
// There's no way for us to cancel it so don't classify too much text
int totalChars = spans.Sum(a => a.Length);
const int maxTotalCharsToCopy = 1 * 1024 * 1024;
if (totalChars > maxTotalCharsToCopy)
return null;
var cancellationToken = CancellationToken.None;
return htmlBuilderService.GenerateHtmlFragment(spans, TextView, cancellationToken);
}