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ID and class selectors are ASCII case-insensitive in quirks mode.

Browse source 
https://bugzilla.mozilla.org/show_bug.cgi?id=1363778
This commit is contained in:
Simon Sapin 2017-06-07 19:07:07 +02:00
parent 524fcac191
commit 5bccf98aa4
22 changed files with 313 additions and 191 deletions
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43
components/script/dom/element.rs
View file

@ -85,7 +85,7 @@ use net_traits::request::CorsSettings;
use ref_filter_map::ref_filter_map;
use script_layout_interface::message::ReflowQueryType;
use script_thread::Runnable;
use selectors::attr::{AttrSelectorOperation, NamespaceConstraint};
use selectors::attr::{AttrSelectorOperation, NamespaceConstraint, CaseSensitivity};
use selectors::matching::{ElementSelectorFlags, LocalMatchingContext, MatchingContext, MatchingMode};
use selectors::matching::{HAS_EDGE_CHILD_SELECTOR, HAS_SLOW_SELECTOR, HAS_SLOW_SELECTOR_LATER_SIBLINGS};
use selectors::matching::{RelevantLinkStatus, matches_selector_list};
@ -97,6 +97,7 @@ use std::convert::TryFrom;
use std::default::Default;
use std::fmt;
use std::rc::Rc;
use style::CaseSensitivityExt;
use style::applicable_declarations::ApplicableDeclarationBlock;
use style::attr::{AttrValue, LengthOrPercentageOrAuto};
use style::context::{QuirksMode, ReflowGoal};
@ -345,7 +346,9 @@ impl RawLayoutElementHelpers for Element {
pub trait LayoutElementHelpers {
#[allow(unsafe_code)]
unsafe fn has_class_for_layout(&self, name: &Atom) -> bool;
unsafe fn in_quirks_mode_document_for_layout(&self) -> bool;
#[allow(unsafe_code)]
unsafe fn has_class_for_layout(&self, name: &Atom, case_sensitivity: CaseSensitivity) -> bool;
#[allow(unsafe_code)]
unsafe fn get_classes_for_layout(&self) -> Option<&'static [Atom]>;
@ -373,9 +376,15 @@ pub trait LayoutElementHelpers {
impl LayoutElementHelpers for LayoutJS<Element> {
#[allow(unsafe_code)]
#[inline]
unsafe fn has_class_for_layout(&self, name: &Atom) -> bool {
unsafe fn in_quirks_mode_document_for_layout(&self) -> bool {
self.upcast::<Node>().owner_doc_for_layout().quirks_mode() == QuirksMode::Quirks
}
#[allow(unsafe_code)]
#[inline]
unsafe fn has_class_for_layout(&self, name: &Atom, case_sensitivity: CaseSensitivity) -> bool {
get_attr_for_layout(&*self.unsafe_get(), &ns!(), &local_name!("class")).map_or(false, |attr| {
attr.value_tokens_forever().unwrap().iter().any(|atom| atom == name)
attr.value_tokens_forever().unwrap().iter().any(|atom| case_sensitivity.eq_atom(atom, name))
})
}
@ -1158,16 +1167,10 @@ impl Element {
})
}
pub fn has_class(&self, name: &Atom) -> bool {
let quirks_mode = document_from_node(self).quirks_mode();
let is_equal = |lhs: &Atom, rhs: &Atom| {
match quirks_mode {
QuirksMode::NoQuirks | QuirksMode::LimitedQuirks => lhs == rhs,
QuirksMode::Quirks => lhs.eq_ignore_ascii_case(&rhs),
}
};
self.get_attribute(&ns!(), &local_name!("class"))
.map_or(false, |attr| attr.value().as_tokens().iter().any(|atom| is_equal(name, atom)))
pub fn has_class(&self, name: &Atom, case_sensitivity: CaseSensitivity) -> bool {
self.get_attribute(&ns!(), &local_name!("class")).map_or(false, |attr| {
attr.value().as_tokens().iter().any(|atom| case_sensitivity.eq_atom(name, atom))
})
}
pub fn set_atomic_attribute(&self, local_name: &LocalName, value: DOMString) {
@ -2503,12 +2506,16 @@ impl<'a> ::selectors::Element for Root<Element> {
}
}
fn get_id(&self) -> Option<Atom> {
self.id_attribute.borrow().clone()
fn has_id(&self, id: &Atom, case_sensitivity: CaseSensitivity) -> bool {
self.id_attribute.borrow().as_ref().map_or(false, |atom| case_sensitivity.eq_atom(id, atom))
}
fn has_class(&self, name: &Atom) -> bool {
Element::has_class(&**self, name)
fn has_class(&self, name: &Atom, case_sensitivity: CaseSensitivity) -> bool {
Element::has_class(&**self, name, case_sensitivity)
}
fn in_quirks_mode_document(&self) -> bool {
document_from_node(&**self).quirks_mode() == QuirksMode::Quirks
}
fn is_html_element_in_html_document(&self) -> bool {