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LibWeb: Implement and use ListStyleStyleValue

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Yes, the name is silly, but it's a StyleValue for list-style, so...
yeah. :^)

Since `list-style-type` and `list-style-image` can both have `none` as a
value, and can appear in any order, we have to handle it separately, and
then assign either or both of those to `none` depending on how many
`none`s there are, and whether those sub-properties already have values.

Added some extra test cases to lists.html to cover list-style-image and
list-style-position parts of the list-style shorthand, and the `none`
values.
This commit is contained in:
Sam Atkins 2021-08-03 15:56:51 +01:00 • committed by Andreas Kling
parent dcbfb61816
commit 0e15561df0
7 changed files with 246 additions and 98 deletions
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Userland/Libraries/LibWeb/CSS/Parser/Parser.h
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@ -178,6 +178,7 @@ private:
static RefPtr<StyleValue> parse_background_value(ParsingContext const&, Vector<StyleComponentValueRule> const&);
static RefPtr<StyleValue> parse_box_shadow_value(ParsingContext const&, Vector<StyleComponentValueRule> const&);
static RefPtr<StyleValue> parse_font_value(ParsingContext const&, Vector<StyleComponentValueRule> const&);
static RefPtr<StyleValue> parse_list_style_value(ParsingContext const&, Vector<StyleComponentValueRule> const&);
// calc() parsing, according to https://www.w3.org/TR/css-values-3/#calc-syntax
static OwnPtr<CalculatedStyleValue::CalcSum> parse_calc_sum(ParsingContext const&, TokenStream<StyleComponentValueRule>&);