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LibWeb: Understand the format() part of a @font-face's src

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This is used to skip downloading fonts in formats that we don't support.
Currently we only support TTF as far as I am aware.

The parts of a `src` are in a fixed order, unusually, which makes the
parsing more nesty instead of loopy.
This commit is contained in:
Sam Atkins 2022-03-31 21:18:54 +01:00 • committed by Andreas Kling
parent dbb0b68175
commit 12b8570ce3
4 changed files with 91 additions and 28 deletions
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2
Userland/Libraries/LibWeb/CSS/Parser/Parser.h
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@ -13,6 +13,7 @@
#include <AK/Result.h>
#include <AK/Vector.h>
#include <LibWeb/CSS/CSSStyleDeclaration.h>
#include <LibWeb/CSS/FontFace.h>
#include <LibWeb/CSS/GeneralEnclosed.h>
#include <LibWeb/CSS/MediaQuery.h>
#include <LibWeb/CSS/Parser/ComponentValue.h>
@ -204,6 +205,7 @@ private:
Optional<GeneralEnclosed> parse_general_enclosed(TokenStream<ComponentValue>&);
RefPtr<CSSRule> parse_font_face_rule(TokenStream<ComponentValue>&);
Vector<FontFace::Source> parse_font_face_src(TokenStream<ComponentValue>&);
RefPtr<CSSRule> convert_to_rule(NonnullRefPtr<StyleRule>);
RefPtr<PropertyOwningCSSStyleDeclaration> convert_to_style_declaration(Vector<DeclarationOrAtRule> declarations);