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/* This Source Code Form is subject to the terms of the Mozilla Public
* 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/. */
use dom::bindings::utils::{DOMString, null_str_as_empty_ref};
#[deriving(Eq, Clone)]
pub enum Namespace {
Null,
HTML,
XML,
XMLNS,
XLink,
SVG,
MathML,
Other(~str)
}
impl Namespace {
pub fn from_str(url: Option<DOMString>) -> Namespace {
match null_str_as_empty_ref(&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_owned())
}
}
pub fn to_str<'a>(&'a self) -> Option<&'a str> {
match *self {
Null => None,
HTML => Some("http://www.w3.org/1999/xhtml"),
XML => Some("http://www.w3.org/XML/1998/namespace"),
XMLNS => Some("http://www.w3.org/2000/xmlns/"),
XLink => Some("http://www.w3.org/1999/xlink"),
SVG => Some("http://www.w3.org/2000/svg"),
MathML => Some("http://www.w3.org/1998/Math/MathML"),
Other(ref x) => Some(x.as_slice())
}
}
}
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