[webkit-changes] [WebKit/WebKit] ee0320: [CSS] Matched element should be within the @scope

[Matthieu Dubet]

  Branch: refs/heads/main
  Home:   https://github.com/WebKit/WebKit
  Commit: ee0320f9080b7d19f60aee912ac8acd10464f418
      https://github.com/WebKit/WebKit/commit/ee0320f9080b7d19f60aee912ac8acd10464f418
  Author: Matthieu Dubet <m_dubet at apple.com>
  Date:   2023-11-24 (Fri, 24 Nov 2023)

  Changed paths:
    M LayoutTests/TestExpectations
    M LayoutTests/fast/css/scope-at-rule-expected.html
    M LayoutTests/fast/css/scope-at-rule.html
    M LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-deep-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-evaluation-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-focus-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-hover-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-implicit-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-invalidation-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-nesting-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-proximity-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-specificity-expected.txt
    M LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-visited-cssom-expected.txt
    M Source/WebCore/style/ElementRuleCollector.cpp
    M Source/WebCore/style/RuleSetBuilder.cpp
    M Source/WebCore/style/RuleSetBuilder.h

  Log Message:
  -----------
  [CSS] Matched element should be within the @scope
https://bugs.webkit.org/show_bug.cgi?id=265241
rdar://118713295

Reviewed by Antti Koivisto.

This patch adds one part of the @scope matching algorithm: the matched element
has to be within the scope.

https://drafts.csswg.org/css-cascade-6/#scoped-styles

* LayoutTests/TestExpectations:
* LayoutTests/fast/css/scope-at-rule-expected.html:
* LayoutTests/fast/css/scope-at-rule.html:
* LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-deep-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-evaluation-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-focus-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-hover-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-implicit-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-invalidation-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-nesting-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-proximity-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-specificity-expected.txt:
* LayoutTests/imported/w3c/web-platform-tests/css/css-cascade/scope-visited-cssom-expected.txt:
* Source/WebCore/style/ElementRuleCollector.cpp:
(WebCore::Style::ElementRuleCollector::matchUARules):
(WebCore::Style::ElementRuleCollector::ruleMatches):
(WebCore::Style::ElementRuleCollector::scopeRulesMatch):
(WebCore::Style::ElementRuleCollector::matchAllRules):
* Source/WebCore/style/RuleSetBuilder.cpp:
(WebCore::Style::RuleSetBuilder::resolveSelectorListWithNesting):
(WebCore::Style::RuleSetBuilder::addStyleRule):
* Source/WebCore/style/RuleSetBuilder.h:

Canonical link: https://commits.webkit.org/271104@main