/// <summary>
/// If there was no $end$ token, place it at the end of the snippet code. Otherwise, it
/// defaults to the beginning of the snippet code.
/// </summary>
private static bool SetEndPositionIfNoneSpecified(IExpansionSession pSession)
{
if (pSession.GetSnippetNode() is not XElement snippetNode)
{
return(false);
}
var ns = snippetNode.Name.NamespaceName;
var codeNode = snippetNode.Element(XName.Get("Code", ns));
if (codeNode == null)
{
return(false);
}
var delimiterAttribute = codeNode.Attribute("Delimiter");
var delimiter = delimiterAttribute != null ? delimiterAttribute.Value : "$";
if (codeNode.Value.IndexOf(string.Format("{0}end{0}", delimiter), StringComparison.OrdinalIgnoreCase) != -1)
{
return(false);
}
var snippetSpan = pSession.GetSnippetSpan();
var newEndSpan = new SnapshotSpan(snippetSpan.End, 0);
pSession.EndSpan = newEndSpan;
return(true);
}
private void AddReferencesAndImports(
IExpansionSession pSession,
int position,
CancellationToken cancellationToken)
{
if (!(pSession.GetSnippetNode() is XElement snippetNode))
{
return;
}
var documentWithImports = this.SubjectBuffer.CurrentSnapshot.GetOpenDocumentInCurrentContextWithChanges();
if (documentWithImports == null)
{
return;
}
var documentOptions = documentWithImports.GetOptionsAsync(cancellationToken).WaitAndGetResult(cancellationToken);
var placeSystemNamespaceFirst = documentOptions.GetOption(GenerationOptions.PlaceSystemNamespaceFirst);
documentWithImports = AddImports(documentWithImports, position, snippetNode, placeSystemNamespaceFirst, cancellationToken);
AddReferences(documentWithImports.Project, snippetNode);
}