auto merge of #3635 : SimonSapin/servo/ua-stylesheet, r=pcwalton

Based on https://html.spec.whatwg.org/multipage/rendering.html rather than http://dev.w3.org/csswg/css2/grammar.html

Fixes #3629.

r? @pcwalton
This commit is contained in:
bors-servo 2014-10-13 12:21:44 -06:00
commit 6e3c776387
18 changed files with 891 additions and 152 deletions

View file

@ -2,6 +2,7 @@
* 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 std::ascii::AsciiExt;
use std::collections::hashmap::HashMap;
use std::hash::Hash;
use std::num::div_rem;
@ -279,12 +280,18 @@ impl Stylist {
after_map: PerPseudoElementSelectorMap::new(),
rules_source_order: 0u,
};
let ua_stylesheet = Stylesheet::from_bytes(
read_resource_file(["user-agent.css"]).unwrap().as_slice(),
Url::parse("chrome:///user-agent.css").unwrap(),
None,
None);
stylist.add_stylesheet(ua_stylesheet, UserAgentOrigin);
// FIXME: Add quirks-mode.css in quirks mode.
// FIXME: Add iso-8859-9.css when the documents encoding is ISO-8859-8.
// FIXME: presentational-hints.css should be at author origin with zero specificity.
// (Does it make a difference?)
for &filename in ["user-agent.css", "servo.css", "presentational-hints.css"].iter() {
let ua_stylesheet = Stylesheet::from_bytes(
read_resource_file([filename]).unwrap().as_slice(),
Url::parse(format!("chrome:///{}", filename).as_slice()).unwrap(),
None,
None);
stylist.add_stylesheet(ua_stylesheet, UserAgentOrigin);
}
stylist
}
@ -729,14 +736,17 @@ pub fn matches_simple_selector<'a, E:TElement<'a>,
*shareable = false;
element.match_attr(attr, |_| true)
}
AttrEqual(ref attr, ref value) => {
AttrEqual(ref attr, ref value, case_sensitivity) => {
if value.as_slice() != "DIR" {
// FIXME(pcwalton): Remove once we start actually supporting RTL text. This is in
// here because the UA style otherwise disables all style sharing completely.
*shareable = false
}
element.match_attr(attr, |attr_value| {
attr_value == value.as_slice()
match case_sensitivity {
CaseSensitive => attr_value == value.as_slice(),
CaseInsensitive => attr_value.eq_ignore_ascii_case(value.as_slice()),
}
})
}
AttrIncludes(ref attr, ref value) => {