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LibWeb/CSS: Serialize font-variant property closer to spec

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It also needs special handling when reading it from CSSStyleDeclaration.
This commit is contained in:
Sam Atkins 2025-02-06 17:21:34 +00:00
parent 8236022152
commit 62c18d1dec
Notes: github-actions[bot] 2025-02-12 16:01:55 +00:00
4 changed files with 65 additions and 97 deletions
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35
Libraries/LibWeb/CSS/CSSStyleDeclaration.cpp
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@ -11,6 +11,7 @@
#include <LibWeb/CSS/CSSStyleDeclaration.h>
#include <LibWeb/CSS/Parser/Parser.h>
#include <LibWeb/CSS/StyleComputer.h>
#include <LibWeb/CSS/StyleValues/CSSKeywordValue.h>
#include <LibWeb/CSS/StyleValues/ImageStyleValue.h>
#include <LibWeb/CSS/StyleValues/ShorthandStyleValue.h>
#include <LibWeb/CSS/StyleValues/StyleValueList.h>
@ -343,6 +344,40 @@ Optional<StyleProperty> CSSStyleDeclaration::get_property_internal(PropertyID pr
auto left = get_property_internal(PropertyID::BorderLeftWidth);
return style_property_for_sided_shorthand(property_id, top, right, bottom, left);
}
case PropertyID::FontVariant: {
auto ligatures = get_property_internal(PropertyID::FontVariantLigatures);
auto caps = get_property_internal(PropertyID::FontVariantCaps);
auto alternates = get_property_internal(PropertyID::FontVariantAlternates);
auto numeric = get_property_internal(PropertyID::FontVariantNumeric);
auto east_asian = get_property_internal(PropertyID::FontVariantEastAsian);
auto position = get_property_internal(PropertyID::FontVariantPosition);
auto emoji = get_property_internal(PropertyID::FontVariantEmoji);
if (!ligatures.has_value() || !caps.has_value() || !alternates.has_value() || !numeric.has_value() || !east_asian.has_value() || !position.has_value() || !emoji.has_value())
return {};
if (ligatures->important != caps->important || ligatures->important != alternates->important || ligatures->important != numeric->important || ligatures->important != east_asian->important || ligatures->important != position->important || ligatures->important != emoji->important)
return {};
// If ligatures is `none` and any other value isn't `normal`, that's invalid.
if (ligatures->value->to_keyword() == Keyword::None
&& (caps->value->to_keyword() != Keyword::Normal
|| alternates->value->to_keyword() != Keyword::Normal
|| numeric->value->to_keyword() != Keyword::Normal
|| east_asian->value->to_keyword() != Keyword::Normal
|| position->value->to_keyword() != Keyword::Normal
|| emoji->value->to_keyword() != Keyword::Normal)) {
return {};
}
return StyleProperty {
.important = ligatures->important,
.property_id = property_id,
.value = ShorthandStyleValue::create(property_id,
{ PropertyID::FontVariantLigatures, PropertyID::FontVariantCaps, PropertyID::FontVariantAlternates, PropertyID::FontVariantNumeric, PropertyID::FontVariantEastAsian, PropertyID::FontVariantPosition, PropertyID::FontVariantEmoji },
{ ligatures->value, caps->value, alternates->value, numeric->value, east_asian->value, position->value, emoji->value })
};
}
case PropertyID::Margin: {
auto top = get_property_internal(PropertyID::MarginTop);
auto right = get_property_internal(PropertyID::MarginRight);