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LibWeb: Bring parse_as_sizes_attribute() up to date with the spec

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The following spec algorithms had changed since we implemented them:
- "parse a sizes attribute"
- "update the source set"
- "create a source set"

This commit brings them up to date, as well as adding some additional
logging when parsing the sizes attribute fails in some way.
This commit is contained in:
Sam Atkins
2024-09-11 16:41:18 +01:00
committed by Andreas Kling
parent 99718653e2
commit 2a0f6fd23e
5 changed files with 80 additions and 33 deletions
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4
Userland/Libraries/LibWeb/HTML/SourceSet.h
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@@ -33,7 +33,7 @@ struct ImageSourceAndPixelDensity {
// https://html.spec.whatwg.org/multipage/images.html#source-set
struct SourceSet {
static SourceSet create(DOM::Element const&, String default_source, String srcset, String sizes);
static SourceSet create(DOM::Element const& element, String const& default_source, String const& srcset, String const& sizes, HTML::HTMLImageElement const* img = nullptr);
[[nodiscard]] bool is_empty() const;
@@ -50,6 +50,6 @@ struct SourceSet {
};
SourceSet parse_a_srcset_attribute(StringView);
[[nodiscard]] CSS::LengthOrCalculated parse_a_sizes_attribute(DOM::Document const&, StringView);
[[nodiscard]] CSS::LengthOrCalculated parse_a_sizes_attribute(DOM::Element const& element, StringView sizes, HTML::HTMLImageElement const* img = nullptr);
}