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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 gecko_bindings::structs::nsIAtom;
use selectors::bloom::BloomHash;
use std::borrow::Borrow;
use std::fmt;
use std::ops::Deref;
use {Atom, WeakAtom};
#[macro_export]
macro_rules! ns {
() => { $crate::Namespace(atom!("")) }
}
#[derive(Debug, PartialEq, Eq, Clone, Default, Hash)]
pub struct Namespace(pub Atom);
pub struct WeakNamespace(WeakAtom);
impl Deref for Namespace {
type Target = WeakNamespace;
#[inline]
fn deref(&self) -> &WeakNamespace {
let weak: *const WeakAtom = &*self.0;
unsafe {
&*(weak as *const WeakNamespace)
}
}
}
impl fmt::Display for Namespace {
fn fmt(&self, w: &mut fmt::Formatter) -> fmt::Result {
self.0.fmt(w)
}
}
impl Borrow<WeakNamespace> for Namespace {
#[inline]
fn borrow(&self) -> &WeakNamespace {
self
}
}
impl WeakNamespace {
#[inline]
pub unsafe fn new<'a>(atom: *mut nsIAtom) -> &'a Self {
&*(atom as *const WeakNamespace)
}
#[inline]
pub fn clone(&self) -> Namespace {
Namespace(self.0.clone())
}
}
impl Eq for WeakNamespace {}
impl PartialEq for WeakNamespace {
#[inline]
fn eq(&self, other: &Self) -> bool {
let weak: *const WeakNamespace = self;
let other: *const WeakNamespace = other;
weak == other
}
}
impl BloomHash for Namespace {
#[inline]
fn bloom_hash(&self) -> u32 {
self.0.get_hash()
}
}
impl BloomHash for WeakNamespace {
#[inline]
fn bloom_hash(&self) -> u32 {
self.0.get_hash()
}
}
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