mirror of
https://github.com/servo/servo.git
synced 2025-08-03 20:50:07 +01:00
script: Use atom comparison in more places, especially for attributes.
75% improvement in style recalc for Guardians of the Galaxy.
This commit is contained in:
parent
61642d64b5
commit
874db26104
32 changed files with 300 additions and 147 deletions
|
@ -13,13 +13,13 @@ use dom::element::{Element, AttributeHandlers};
|
|||
use dom::node::Node;
|
||||
use dom::window::Window;
|
||||
use dom::virtualmethods::vtable_for;
|
||||
|
||||
use servo_util::atom::Atom;
|
||||
use servo_util::namespace;
|
||||
use servo_util::namespace::Namespace;
|
||||
use servo_util::str::{DOMString, split_html_space_chars};
|
||||
use std::cell::{Ref, RefCell};
|
||||
use std::mem;
|
||||
use std::slice::Items;
|
||||
|
||||
pub enum AttrSettingType {
|
||||
FirstSetAttr,
|
||||
|
@ -51,9 +51,9 @@ impl AttrValue {
|
|||
AtomAttrValue(value)
|
||||
}
|
||||
|
||||
pub fn tokens<'a>(&'a self) -> Option<Items<'a, Atom>> {
|
||||
pub fn tokens<'a>(&'a self) -> Option<&'a [Atom]> {
|
||||
match *self {
|
||||
TokenListAttrValue(_, ref tokens) => Some(tokens.iter()),
|
||||
TokenListAttrValue(_, ref tokens) => Some(tokens.as_slice()),
|
||||
_ => None
|
||||
}
|
||||
}
|
||||
|
@ -189,17 +189,19 @@ impl<'a> AttrHelpers for JSRef<'a, Attr> {
|
|||
pub trait AttrHelpersForLayout {
|
||||
unsafe fn value_ref_forever(&self) -> &'static str;
|
||||
unsafe fn value_atom_forever(&self) -> Option<Atom>;
|
||||
unsafe fn value_tokens_forever(&self) -> Option<Items<Atom>>;
|
||||
unsafe fn value_tokens_forever(&self) -> Option<&'static [Atom]>;
|
||||
unsafe fn local_name_atom_forever(&self) -> Atom;
|
||||
}
|
||||
|
||||
impl AttrHelpersForLayout for Attr {
|
||||
#[inline]
|
||||
unsafe fn value_ref_forever(&self) -> &'static str {
|
||||
// cast to point to T in RefCell<T> directly
|
||||
let value = mem::transmute::<&RefCell<AttrValue>, &AttrValue>(self.value.deref());
|
||||
value.as_slice()
|
||||
}
|
||||
|
||||
#[inline]
|
||||
unsafe fn value_atom_forever(&self) -> Option<Atom> {
|
||||
// cast to point to T in RefCell<T> directly
|
||||
let value = mem::transmute::<&RefCell<AttrValue>, &AttrValue>(self.value.deref());
|
||||
|
@ -209,15 +211,17 @@ impl AttrHelpersForLayout for Attr {
|
|||
}
|
||||
}
|
||||
|
||||
unsafe fn value_tokens_forever(&self) -> Option<Items<Atom>> {
|
||||
#[inline]
|
||||
unsafe fn value_tokens_forever(&self) -> Option<&'static [Atom]> {
|
||||
// cast to point to T in RefCell<T> directly
|
||||
let value = mem::transmute::<&RefCell<AttrValue>, &AttrValue>(self.value.deref());
|
||||
match *value {
|
||||
TokenListAttrValue(_, ref tokens) => Some(tokens.iter()),
|
||||
TokenListAttrValue(_, ref tokens) => Some(tokens.as_slice()),
|
||||
_ => None,
|
||||
}
|
||||
}
|
||||
|
||||
#[inline]
|
||||
unsafe fn local_name_atom_forever(&self) -> Atom {
|
||||
self.local_name.clone()
|
||||
}
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue