Replace Servo's namespace.rs with a stub

Author: kmcallister

src/util/namespace.rs

@@ -2,44 +2,10 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-// FIXME: This is copied from Servo.  The two modules should be unified.
+// FIXME: Unify with Servo's namespace.rs.
 
 #[deriving(Eq, Clone)]
 pub enum Namespace {
-    Null,
     HTML,
-    XML,
-    XMLNS,
-    XLink,
-    SVG,
-    MathML,
-    Other(StrBuf)
-}
-
-impl Namespace {
-    /// Empty string for "no namespace"
-    pub fn from_str(url: &str) -> Namespace {
-        match url {
-            "http://www.w3.org/1999/xhtml" => HTML,
-            "http://www.w3.org/XML/1998/namespace" => XML,
-            "http://www.w3.org/2000/xmlns/" => XMLNS,
-            "http://www.w3.org/1999/xlink" => XLink,
-            "http://www.w3.org/2000/svg" => SVG,
-            "http://www.w3.org/1998/Math/MathML" => MathML,
-            "" => Null,
-            ns => Other(ns.to_strbuf())
-        }
-    }
-    pub fn to_str<'a>(&'a self) -> &'a str {
-        match *self {
-            Null => "",
-            HTML => "http://www.w3.org/1999/xhtml",
-            XML => "http://www.w3.org/XML/1998/namespace",
-            XMLNS => "http://www.w3.org/2000/xmlns/",
-            XLink => "http://www.w3.org/1999/xlink",
-            SVG => "http://www.w3.org/2000/svg",
-            MathML => "http://www.w3.org/1998/Math/MathML",
-            Other(ref x) => x.as_slice()
-        }
-    }
+    // FIXME: others
 }