/// <summary>
/// Attempts to locate the reference name in the specified schema.
/// </summary>
/// <param name="name">The reference to look up.</param>
/// <param name="schemaCompletionData">The schema completion data to use to
/// find the reference.</param>
/// <param name="elementName">The element to determine what sort of reference it is
/// (e.g. group, attribute, element).</param>
/// <returns><see langword="null"/> if no match can be found.</returns>
static XmlSchemaObject FindSchemaObjectReference(string name, XmlCompletionDataProvider provider, XmlSchemaCompletionData schemaCompletionData, string elementName)
{
QualifiedName qualifiedName = schemaCompletionData.CreateQualifiedName(name);
XmlSchemaCompletionData qualifiedNameSchema = provider.FindSchema(qualifiedName.Namespace);
if (qualifiedNameSchema != null) {
schemaCompletionData = qualifiedNameSchema;
}
switch (elementName) {
case "element":
return schemaCompletionData.FindElement(qualifiedName);
case "attribute":
return schemaCompletionData.FindAttribute(qualifiedName.Name);
case "group":
return schemaCompletionData.FindGroup(qualifiedName.Name);
case "attributeGroup":
return schemaCompletionData.FindAttributeGroup(qualifiedName.Name);
}
return null;
}
