public void TestCurrent()
{
CMLStack stack = new CMLStack();
stack.Push("first");
Assert.AreEqual("first", stack.Peek());
stack.Push("second");
Assert.AreEqual("second", stack.Peek());
stack.Push("third");
Assert.AreEqual("third", stack.Peek());
stack.Pop();
Assert.AreEqual("second", stack.Peek());
stack.Pop();
Assert.AreEqual("first", stack.Peek());
}
public override void StartElement(XElement element)
{
var uri = element.Name.NamespaceName;
var local = element.Name.LocalName;
xpath.Push(element.Name.LocalName);
Debug.WriteLine($"<{element.Value}> -> {xpath}");
// Detect CML modules, like CRML and CCML
if (local.StartsWith("reaction", StringComparison.Ordinal))
{
// e.g. reactionList, reaction -> CRML module
Trace.TraceInformation("Detected CRML module");
if (!string.Equals(conventionStack.Peek(), "CMLR", StringComparison.Ordinal))
{
conv = new CMLReactionModule(conv);
}
conventionStack.Push("CMLR");
}
else if (string.IsNullOrEmpty(uri) || uri.StartsWith("http://www.xml-cml.org/", StringComparison.Ordinal))
{
// assume CML Core
// Detect conventions
string convName = "";
if (element.Attribute(Attribute_convention) != null)
{
convName = element.Attribute(Attribute_convention).Value;
}
if (convName.Length == 0)
{
// no convention set/reset: take convention of parent
conventionStack.Push(conventionStack.Peek());
}
else
if (convName.Length > 0)
{
if (convName.Equals(conventionStack.Peek(), StringComparison.Ordinal))
{
Debug.WriteLine("Same convention as parent");
}
else
{
Trace.TraceInformation($"New Convention: {convName}");
switch (convName)
{
case "CML":
// Don't reset the convention handler to CMLCore,
// becuase all handlers should extend this handler, and
// use it for any content other then specifically put
// into the specific convention
break;
case "PDB":
conv = new PDBConvention(conv);
break;
case "PMP":
conv = new PMPConvention(conv);
break;
case "MDLMol":
Debug.WriteLine("MDLMolConvention instantiated...");
conv = new MDLMolConvention(conv);
break;
case "JMOL-ANIMATION":
conv = new JMOLANIMATIONConvention(conv);
break;
default:
if (userConventions.ContainsKey(convName))
{
//unknown convention. userConvention?
var newconv = userConventions[convName];
newconv.Inherit(conv);
conv = newconv;
}
else
{
Trace.TraceWarning($"Detected unknown convention: {convName}");
}
break;
}
}
conventionStack.Push(convName);
}
else
{
// no convention set/reset: take convention of parent
conventionStack.Push(conventionStack.Peek());
}
}
else
{
conv = new OtherNamespace();
conventionStack.Push("Other");
}
moduleStack.Push(conv);
Debug.WriteLine($"ConventionStack: {conventionStack}");
conv.StartElement(xpath, element);
}
