public static IEnumerable <BaseInfo> GetComparandCompletions(MSBuildRootDocument doc, IReadOnlyList <ExpressionNode> variables)
{
var names = new HashSet <string> ();
foreach (var variable in variables)
{
ValueInfo info;
switch (variable)
{
case ExpressionProperty ep:
if (ep.IsSimpleProperty)
{
info = doc.GetProperty(ep.Name) ?? new PropertyInfo(ep.Name, null, false);
break;
}
continue;
case ExpressionMetadata em:
info = doc.GetMetadata(em.ItemName, em.MetadataName, true) ?? new MetadataInfo(em.MetadataName, null, false);
break;
default:
continue;
}
if (info == null)
{
continue;
}
IEnumerable <BaseInfo> cinfos;
if (info.Values != null && info.Values.Count > 0)
{
cinfos = info.Values;
}
else
{
var kind = info.InferValueKindIfUnknown();
cinfos = MSBuildCompletionExtensions.GetValueCompletions(kind, doc);
}
if (cinfos != null)
{
foreach (var ci in cinfos)
{
if (names.Add(ci.Name))
{
yield return(ci);
}
}
}
}
}
