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Diffstat (limited to 'components/util/atom.rs')
-rw-r--r-- | components/util/atom.rs | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/components/util/atom.rs b/components/util/atom.rs new file mode 100644 index 00000000000..49cb047768e --- /dev/null +++ b/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(()) + } +} |