public bool TryCreateOrUpdate(ITextView textView, SnapshotSpan span, PackageGlyphTag existingTag, out TagSpan <PackageGlyphTag> tag, out Span valueSpan)
{
if (!PackageCompletionSource.IsInRangeForPackageCompletion(span.Snapshot, span.Start, out valueSpan, out string name, out string ver, out string type))
{
tag = null;
return(false);
}
double?lineHeight;
try
{
lineHeight = textView.LineHeight;
}
catch { lineHeight = null; }
string text = span.Snapshot.GetText();
int targetFrameworkElementStartIndex = text.IndexOf("<TargetFramework>", StringComparison.OrdinalIgnoreCase);
int targetFrameworksElementStartIndex = text.IndexOf("<TargetFrameworks>", StringComparison.OrdinalIgnoreCase);
string tfm = "netcoreapp1.0";
if (targetFrameworksElementStartIndex > -1)
{
int closeTfms = text.IndexOf("</TargetFrameworks>", targetFrameworksElementStartIndex);
int realStart = targetFrameworksElementStartIndex + "<TargetFrameworks>".Length;
string allTfms = text.Substring(realStart, closeTfms - realStart);
tfm = allTfms.Split(';')[0];
}
else if (targetFrameworkElementStartIndex > -1)
{
int closeTfm = text.IndexOf("</TargetFramework>", targetFrameworkElementStartIndex);
int realStart = targetFrameworkElementStartIndex + "<TargetFramework>".Length;
tfm = text.Substring(realStart, closeTfm - realStart);
}
PackageGlyphTag t = existingTag ?? new PackageGlyphTag(PositionAffinity.Predecessor, textView);
t.PackageIcon.Source = WpfUtil.MonikerToBitmap(KnownMonikers.NuGet, (int)(lineHeight ?? 16));
IssueIconQuery(name, ver, tfm, t);
if (lineHeight.HasValue)
{
t.Wrapper.Height = lineHeight.Value;
}
tag = new TagSpan <PackageGlyphTag>(new SnapshotSpan(span.Snapshot, Span.FromBounds(valueSpan.Start, valueSpan.Start)), t);
return(true);
}
