commit | e70c25a52544b0c1d140a2725526734a123a4f18 | [log] [tgz] |
---|---|---|
author | Anders Hartvoll Ruud <andruud@chromium.org> | Wed Apr 24 12:30:48 2024 |
committer | Blink WPT Bot <blink-w3c-test-autoroller@chromium.org> | Wed Apr 24 12:56:09 2024 |
tree | c8ee83b111f53b51ab329cfb77c9f8de001e4a46 | |
parent | 7a801529e3cb3f2146fb0e7f9732734eb12eb580 [diff] |
[@scope] Treat kScopeActivation as a special kSubSelector The internal selector relation kScopeActivation is inserted by the selector parser for selectors within @scope. This relation, when encountered in the selector, basically figures out if we're in scope [1], what the scoping roots are (there may be multiple), and tries to match the rest of the selector with context.scope set to those roots. However, kScopeActivation is not a combinator: it does not change the current element being considered for matching. In this respect, it's much like the kSubSelector relation. This CL treats it as such in SelectorChecker::MatchSelector, by skipping the combinator- related checks for exceeding the scope [2] and dynamic_pseudo matching (i.e. exactly the same as kSubSelector). I've moved the handling of kScopeActivation to a separate function (MatchForScopeActivation) to make it more clear that it's a special case (like MatchForSubSelector), and not like the other relations. This fixes a bug where selectors with pseudo-elements within @scope would match the originating element instead (due to missing dynamic_pseudo). [1] https://drafts.csswg.org/css-cascade-6/#in-scope [2] Although we already skipped this for kScopeActivation. Fixed: 335337303 Change-Id: I6f421c317c00efba5be8ca1407455f03e414a174 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5476369 Reviewed-by: Rune Lillesveen <futhark@chromium.org> Commit-Queue: Anders Hartvoll Ruud <andruud@chromium.org> Cr-Commit-Position: refs/heads/main@{#1291819}
The web-platform-tests Project is a cross-browser test suite for the Web-platform stack. Writing tests in a way that allows them to be run in all browsers gives browser projects confidence that they are shipping software that is compatible with other implementations, and that later implementations will be compatible with their implementations. This in turn gives Web authors/developers confidence that they can actually rely on the Web platform to deliver on the promise of working across browsers and devices without needing extra layers of abstraction to paper over the gaps left by specification editors and implementors.
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