public static SchemaNamespaceList Intersection(SchemaNamespaceList o1, SchemaNamespaceList o2) {
// This method is only used to figure out if we need to call Union, so
// we can safely ignore the types ArrayList.
SchemaNamespaceList nslist = null;
if (o1.type == ListType.Any) {
if (o2.type == ListType.Any)
return null; // result in wildcard
nslist = o2.Clone();
}
else if (o2.type == ListType.Any) {
nslist = o1.Clone();
}
else if (o1.type == ListType.Other && o2.type == ListType.Other) {
if (o1.targetNamespace == o2.targetNamespace) {
nslist = o1.Clone();
}
}
else if (o1.type == ListType.Set && o2.type == ListType.Set) {
nslist = o1.Clone();
nslist = new SchemaNamespaceList();
nslist.type = ListType.Set;
nslist.set = new Hashtable();
foreach(string ns in o1.set.Keys) {
if (o2.set.Contains(ns)) {
nslist.set.Add(ns, ns);
}
}
}
else if (o1.type == ListType.Set && o2.type == ListType.Other) {
nslist = o1.Clone();
if (nslist.set[o2.targetNamespace] != null) {
nslist.set.Remove(o2.targetNamespace);
}
}
else if (o2.type == ListType.Set && o1.type == ListType.Other) {
nslist = o2.Clone();
if (nslist.set[o1.targetNamespace] != null) {
nslist.set.Remove(o1.targetNamespace);
}
}
return nslist;
}
public static SchemaNamespaceList Union(SchemaNamespaceList o1, SchemaNamespaceList o2) {
SchemaNamespaceList nslist = null;
if (o1.type == ListType.Any) {
nslist = new SchemaNamespaceList();
}
else if (o2.type == ListType.Any) {
nslist = new SchemaNamespaceList();
}
else if (o1.type == ListType.Other && o2.type == ListType.Other) {
if (o1.targetNamespace == o2.targetNamespace) {
nslist = o1.Clone();
}
}
else if (o1.type == ListType.Set && o2.type == ListType.Set) {
nslist = o1.Clone();
foreach (string ns in o2.set.Keys) {
nslist.set[ns] = ns;
}
}
else if (o1.type == ListType.Set && o2.type == ListType.Other) {
if (o1.set.Contains(o2.targetNamespace)) {
nslist = new SchemaNamespaceList();
}
}
else if (o2.type == ListType.Set && o1.type == ListType.Other) {
if (o2.set.Contains(o2.targetNamespace)) {
nslist = new SchemaNamespaceList();
}
else {
nslist = o1.Clone();
}
}
if (o1.types != null) {
foreach (TypeNode t in o1.types) {
nslist.AddType(t);
}
}
if (o2.types != null) {
foreach (TypeNode t in o2.types) {
nslist.AddType(t);
}
}
return nslist;
}
