/// <summary>
/// Build a tree of only one schema
/// </summary>
/// <param name="schemaA"></param>
/// <returns></returns>
public IDiffNode BuildTree(XmlSchemaObject obj)
{
// Setup the schema
IDiffNode retVal = null;
if (obj is XmlSchemaAttribute)
retVal = new AttributeDiffNode() { Original = obj as XmlSchemaAttribute };
else if (obj is XmlSchemaElement)
{
retVal = new ElementDiffNode() { Original = obj as XmlSchemaElement };
CopyChildNodes((obj as XmlSchemaElement).SchemaType as XmlSchemaComplexType, retVal, new Stack<string>(), true);
}
else if (obj is XmlSchemaChoice)
{
retVal = new ChoiceDiffNode() { Original = obj as XmlSchemaChoice };
CopyChildNodes(obj as XmlSchemaChoice, retVal, new Stack<string>());
retVal = retVal.Children[0];
}
else if (obj is XmlSchemaSequence)
{
retVal = new SequenceDiffNode() { Original = obj as XmlSchemaSequence };
CopyChildNodes(obj as XmlSchemaSequence, retVal, new Stack<string>());
if (TreatSequenceAsNode)
retVal = retVal.Children[0];
}
else
return null;
return retVal;
}
/// <summary>
/// Copy child nodes for a choice
/// </summary>
private void CopyChildNodes(XmlSchemaChoice choice, IDiffNode parent, Stack<String> typeStack)
{
if (choice.Content == null || choice.Content.Count == 0) return;
ChoiceDiffNode chcNode = new ChoiceDiffNode()
{
Original = choice
};
// Build the children of this
foreach (XmlSchemaObject child in choice.Content)
if (child is XmlSchemaChoice)
CopyChildNodes(child as XmlSchemaChoice, chcNode, typeStack);
else if (child is XmlSchemaSequence)
CopyChildNodes(child as XmlSchemaSequence, chcNode, typeStack);
else if (child is XmlSchemaElement)
CopyChildNodes(child as XmlSchemaElement, chcNode, typeStack);
else if (child is XmlSchemaAny)
chcNode.AddChild(new DiffNode<XmlSchemaAny>() { Original = child as XmlSchemaAny });
// Don't duplicate on structure
if (parent.Children == null || FindProbableCandidate(parent.Children, chcNode) == null)
parent.AddChild(chcNode);
}
