Cargoify servo

components/util/atom.rs

@@ -0,0 +1,43 @@
+/* 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/. */
+
+//! Provides a wrapper around the Atom type in the string cache
+//! crate. It's needed so that it can implement the Encodable
+//! trait which is required by Servo.
+
+use serialize::{Encoder, Encodable};
+use std::fmt;
+use std::hash::Hash;
+use string_cache::atom;
+
+#[deriving(Clone, Eq, Hash, PartialEq)]
+pub struct Atom {
+    atom: atom::Atom,
+}
+
+impl Atom {
+    #[inline(always)]
+    pub fn from_slice(slice: &str) -> Atom {
+        Atom {
+            atom: atom::Atom::from_slice(slice)
+        }
+    }
+
+    #[inline(always)]
+    pub fn as_slice<'t>(&'t self) -> &'t str {
+        self.atom.as_slice()
+    }
+}
+
+impl fmt::Show for Atom {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "{:s}", self.atom.as_slice())
+    }
+}
+
+impl<E, S: Encoder<E>> Encodable<S, E> for Atom {
+    fn encode(&self, _s: &mut S) -> Result<(), E> {
+        Ok(())
+    }
+}