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LibWeb: Track quote-nesting level while building the layout tree

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This makes multiple levels of quote actually use different quotation
marks, instead of always the first available pair of them.

Each Layout::Node remembers what the quote-nesting level was before its
content was evaluated, so that we can re-use this number in
`apply_style()`. This is a bit hacky, since we end up converting the
`content` value into a string twice.

`StyleProperties::content()` now takes an initial quote-nesting level,
and returns the final level after that content.
This commit is contained in:
Sam Atkins 2023-09-18 15:41:17 +01:00 • committed by Andreas Kling
parent 493dd5d93c
commit 9e99368694
8 changed files with 372 additions and 14 deletions
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21
Tests/LibWeb/Layout/input/css-quotes-nesting.html Normal file
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<!doctype html>
<style>
span::before {
content: open-quote;
}
span::after {
content: close-quote;
}
.a {
quotes: none;
}
.b {
quotes: auto;
}
.c {
quotes: "(" ")" "{" "}" "[" "]";
}
</style>
<div class="a"><span>a<span>b<span>c<span>d<span>e</span>f</span>g</span>h</span>i</span></div>
<div class="b"><span>a<span>b<span>c<span>d<span>e</span>f</span>g</span>h</span>i</span></div>
<div class="c"><span>a<span>b<span>c<span>d<span>e</span>f</span>g</span>h</span>i</span></div>