private static IIonValue FilterHashLog(IIonValue actualHashLog, IIonValue expectedHashLog)
{
HashSet <string> methodCalls = new HashSet <string>();
IEnumerator <IIonValue> enumerator = expectedHashLog.GetEnumerator();
while (enumerator.MoveNext())
{
IIonValue v = enumerator.Current;
foreach (SymbolToken annotation in v.GetTypeAnnotationSymbols())
{
methodCalls.Add(annotation.Text);
}
}
IValueFactory valueFactory = new ValueFactory();
IIonValue result = valueFactory.NewEmptySexp();
if (methodCalls.Count == 1 && methodCalls.Contains("final_digest"))
{
IIonValue finalDigest = actualHashLog.GetElementAt(actualHashLog.Count - 1);
finalDigest.ClearAnnotations();
finalDigest.AddTypeAnnotation("final_digest");
result.Add(finalDigest);
}
else
{
enumerator = actualHashLog.GetEnumerator();
while (enumerator.MoveNext())
{
IIonValue v = enumerator.Current;
String methodCall = v.GetTypeAnnotationSymbols().ElementAt(0).Text;
if (methodCalls.Contains(methodCall))
{
result.Add(v);
}
}
}
return(result);
}