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LibWeb: Don't add shorthand CSS properties to cascaded values

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We already expand shorthands in the cascade, so there's no need to
preserve them in the output.

This patch reorganizes the CSS::PropertyID enum values so that we can
easily iterate over all shorthand or longhand properties.
This commit is contained in:
Andreas Kling 2021-09-21 15:51:51 +02:00
parent e07cf6f41b
commit ca45d34055
Notes: sideshowbarker 2024-07-18 03:34:58 +09:00
2 changed files with 33 additions and 9 deletions
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40
Meta/Lagom/Tools/CodeGenerators/LibWeb/Generate_CSS_PropertyID_h.cpp
View file

@ -56,26 +56,46 @@ enum class PropertyID {
Custom,
)~~~");
Optional<String> first_property_id;
Optional<String> last_property_id;
Vector<String> shorthand_property_ids;
Vector<String> longhand_property_ids;
json.value().as_object().for_each_member([&](auto& name, auto& value) {
VERIFY(value.is_object());
if (value.as_object().has("longhands"))
shorthand_property_ids.append(name);
else
longhand_property_ids.append(name);
});
if (!first_property_id.has_value())
first_property_id = name;
last_property_id = name;
auto first_property_id = shorthand_property_ids.first();
auto last_property_id = longhand_property_ids.last();
for (auto& name : shorthand_property_ids) {
auto member_generator = generator.fork();
member_generator.set("name:titlecase", title_casify(name));
member_generator.append(R"~~~(
@name:titlecase@,
)~~~");
});
}
generator.set("first_property_id", title_casify(first_property_id.value()));
generator.set("last_property_id", title_casify(last_property_id.value()));
for (auto& name : longhand_property_ids) {
auto member_generator = generator.fork();
member_generator.set("name:titlecase", title_casify(name));
member_generator.append(R"~~~(
@name:titlecase@,
)~~~");
}
generator.set("first_property_id", title_casify(first_property_id));
generator.set("last_property_id", title_casify(last_property_id));
generator.set("first_shorthand_property_id", title_casify(shorthand_property_ids.first()));
generator.set("last_shorthand_property_id", title_casify(shorthand_property_ids.last()));
generator.set("first_longhand_property_id", title_casify(longhand_property_ids.first()));
generator.set("last_longhand_property_id", title_casify(longhand_property_ids.last()));
generator.append(R"~~~(
};
@ -88,6 +108,10 @@ RefPtr<StyleValue> property_initial_value(PropertyID);
constexpr PropertyID first_property_id = PropertyID::@first_property_id@;
constexpr PropertyID last_property_id = PropertyID::@last_property_id@;
constexpr PropertyID first_shorthand_property_id = PropertyID::@first_shorthand_property_id@;
constexpr PropertyID last_shorthand_property_id = PropertyID::@last_shorthand_property_id@;
constexpr PropertyID first_longhand_property_id = PropertyID::@first_longhand_property_id@;
constexpr PropertyID last_longhand_property_id = PropertyID::@last_longhand_property_id@;
enum class Quirk {
// https://quirks.spec.whatwg.org/#the-hashless-hex-color-quirk

2
Userland/Libraries/LibWeb/CSS/StyleResolver.cpp
View file

@ -629,7 +629,7 @@ void StyleResolver::compute_defaulted_values(StyleProperties& style, DOM::Elemen
// Walk the list of all known CSS properties and:
// - Add them to `style` if they are missing.
// - Resolve `inherit` and `initial` as needed.
for (auto i = to_underlying(CSS::first_property_id); i <= to_underlying(CSS::last_property_id); ++i) {
for (auto i = to_underlying(CSS::first_longhand_property_id); i <= to_underlying(CSS::last_longhand_property_id); ++i) {
auto property_id = (CSS::PropertyID)i;
auto it = style.m_property_values.find(property_id);
if (it == style.m_property_values.end()) {