mirror of
https://github.com/LadybirdBrowser/ladybird
synced 2026-04-26 01:35:08 +02:00
61d79a1e47
Add an abstract image style value for image-set() and parse both the standard and -webkit-prefixed spellings through the existing <image> value path. The parser accepts URL and string image candidates, optional resolution descriptors, and type() filters. Track attr-taint through substituted component values so image-set() candidates using attr()-derived URL-producing tokens are rejected when resolved for URL-using properties. Update the relevant WPT baselines now that image-set() parsing is supported in additional value contexts.
70 lines
2.3 KiB
C++
70 lines
2.3 KiB
C++
/*
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* Copyright (c) 2020-2021, the SerenityOS developers.
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* Copyright (c) 2021-2025, Sam Atkins <sam@ladybird.org>
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* Copyright (c) 2023, Andreas Kling <andreas@ladybird.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/NonnullRefPtr.h>
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#include <AK/RefPtr.h>
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#include <LibWeb/CSS/Parser/Token.h>
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#include <LibWeb/CSS/Parser/Types.h>
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#include <LibWeb/Export.h>
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namespace Web::CSS::Parser {
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// https://drafts.csswg.org/css-syntax/#component-value
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class WEB_API ComponentValue {
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AK_MAKE_DEFAULT_COPYABLE(ComponentValue);
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AK_MAKE_DEFAULT_MOVABLE(ComponentValue);
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public:
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ComponentValue(Token);
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explicit ComponentValue(Function&&);
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explicit ComponentValue(SimpleBlock&&);
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explicit ComponentValue(GuaranteedInvalidValue&&);
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~ComponentValue();
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bool is_block() const { return m_value.has<SimpleBlock>(); }
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SimpleBlock const& block() const { return m_value.get<SimpleBlock>(); }
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bool is_function() const { return m_value.has<Function>(); }
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bool is_function(StringView name) const;
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Function const& function() const { return m_value.get<Function>(); }
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bool is_token() const { return m_value.has<Token>(); }
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bool is(Token::Type type) const { return is_token() && token().is(type); }
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bool is_delim(u32 delim) const;
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bool is_ident(StringView ident) const;
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Token const& token() const { return m_value.get<Token>(); }
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operator Token() const { return m_value.get<Token>(); }
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bool is_guaranteed_invalid() const { return m_value.has<GuaranteedInvalidValue>(); }
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bool contains_guaranteed_invalid_value() const;
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bool contains_attr_tainted_value() const;
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void set_attr_tainted() { m_attr_tainted = true; }
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String to_string() const;
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String to_debug_string() const;
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String original_source_text() const;
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bool operator==(ComponentValue const&) const = default;
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private:
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Variant<Token, Function, SimpleBlock, GuaranteedInvalidValue> m_value;
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bool m_attr_tainted { false };
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};
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}
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template<>
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struct AK::Formatter<Web::CSS::Parser::ComponentValue> : Formatter<StringView> {
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ErrorOr<void> format(FormatBuilder& builder, Web::CSS::Parser::ComponentValue const& component_value)
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{
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return Formatter<StringView>::format(builder, component_value.to_string());
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}
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};
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