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aa15dc269f
http://www.robohornet.org gives a score of 101.36 on master, and 102.68 with this PR. The latter is slightly better, but probably within noise level. So it looks like this PR does not affect DOM performance. This is expected since `Box::new` is defined as: ```rust impl<T> Box<T> { #[inline(always)] pub fn new(x: T) -> Box<T> { box x } } ``` With inlining, it should compile to the same as box syntax.
54 lines
1.8 KiB
Rust
54 lines
1.8 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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use cssparser::Parser;
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use cssparser::ParserInput;
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use dom::bindings::codegen::Bindings::CSSStyleValueBinding::CSSStyleValueMethods;
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use dom::bindings::codegen::Bindings::CSSStyleValueBinding::Wrap;
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use dom::bindings::reflector::Reflector;
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use dom::bindings::reflector::reflect_dom_object;
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use dom::bindings::root::DomRoot;
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use dom::bindings::str::DOMString;
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use dom::globalscope::GlobalScope;
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use dom_struct::dom_struct;
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use servo_url::ServoUrl;
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#[dom_struct]
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pub struct CSSStyleValue {
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reflector: Reflector,
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value: String,
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}
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impl CSSStyleValue {
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fn new_inherited(value: String) -> CSSStyleValue {
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CSSStyleValue {
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reflector: Reflector::new(),
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value: value,
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}
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}
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pub fn new(global: &GlobalScope, value: String) -> DomRoot<CSSStyleValue> {
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reflect_dom_object(Box::new(CSSStyleValue::new_inherited(value)), global, Wrap)
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}
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}
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impl CSSStyleValueMethods for CSSStyleValue {
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/// https://drafts.css-houdini.org/css-typed-om-1/#CSSStyleValue-stringification-behavior
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fn Stringifier(&self) -> DOMString {
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DOMString::from(&*self.value)
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}
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}
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impl CSSStyleValue {
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/// Parse the value as a `url()`.
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/// TODO: This should really always be an absolute URL, but we currently
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/// return relative URLs for computed values, so we pass in a base.
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/// https://github.com/servo/servo/issues/17625
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pub fn get_url(&self, base_url: ServoUrl) -> Option<ServoUrl> {
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let mut input = ParserInput::new(&*self.value);
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let mut parser = Parser::new(&mut input);
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parser.expect_url().ok()
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.and_then(|string| base_url.join(&*string).ok())
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}
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}
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