RenameNamespaceCommand(string newName, NamespaceTreeNode nsNode) {
this.newName = newName;
this.origName = nsNode.Name;
this.nsNode = nsNode;
this.existingNsNode = (NamespaceTreeNode)nsNode.Parent.Children.FirstOrDefault(a => a is NamespaceTreeNode && AssemblyTreeNode.NamespaceStringEqualsComparer.Equals(newName, ((NamespaceTreeNode)a).Name));
var module = ILSpyTreeNode.GetModule(nsNode);
Debug.Assert(module != null);
if (module == null)
throw new InvalidOperationException();
this.origParentNode = (ILSpyTreeNode)nsNode.Parent;
this.origParentChildIndex = this.origParentNode.Children.IndexOf(nsNode);
Debug.Assert(this.origParentChildIndex >= 0);
if (this.origParentChildIndex < 0)
throw new InvalidOperationException();
// Make sure the exact same namespace names are restored if we undo. The names are UTF8
// strings, but not necessarily canonicalized if it's an obfuscated assembly.
nsNode.EnsureChildrenFiltered();
this.origChildren = nsNode.Children.Cast<TypeTreeNode>().ToArray();
this.typeNamespaces = new UTF8String[nsNode.Children.Count];
for (int i = 0; i < this.typeNamespaces.Length; i++)
this.typeNamespaces[i] = origChildren[i].TypeDefinition.Namespace;
this.typeRefInfos = GetTypeRefInfos(module, new[] { nsNode });
}
