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	This matches the name in the CSS Typed OM spec. https://drafts.css-houdini.org/css-typed-om-1/#cssstylevalue No behaviour changes.
		
			
				
	
	
		
			220 lines
		
	
	
	
		
			8.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			220 lines
		
	
	
	
		
			8.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2020-2022, Andreas Kling <kling@serenityos.org>
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|  *
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|  * SPDX-License-Identifier: BSD-2-Clause
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|  */
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| 
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| #pragma once
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| 
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| #include <LibGfx/Color.h>
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| #include <LibJS/Heap/Cell.h>
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| #include <LibWeb/DOM/Node.h>
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| #include <LibWeb/HTML/Parser/HTMLTokenizer.h>
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| #include <LibWeb/HTML/Parser/ListOfActiveFormattingElements.h>
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| #include <LibWeb/HTML/Parser/StackOfOpenElements.h>
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| 
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| namespace Web::HTML {
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| 
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| #define ENUMERATE_INSERTION_MODES               \
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|     __ENUMERATE_INSERTION_MODE(Initial)         \
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|     __ENUMERATE_INSERTION_MODE(BeforeHTML)      \
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|     __ENUMERATE_INSERTION_MODE(BeforeHead)      \
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|     __ENUMERATE_INSERTION_MODE(InHead)          \
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|     __ENUMERATE_INSERTION_MODE(InHeadNoscript)  \
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|     __ENUMERATE_INSERTION_MODE(AfterHead)       \
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|     __ENUMERATE_INSERTION_MODE(InBody)          \
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|     __ENUMERATE_INSERTION_MODE(Text)            \
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|     __ENUMERATE_INSERTION_MODE(InTable)         \
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|     __ENUMERATE_INSERTION_MODE(InTableText)     \
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|     __ENUMERATE_INSERTION_MODE(InCaption)       \
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|     __ENUMERATE_INSERTION_MODE(InColumnGroup)   \
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|     __ENUMERATE_INSERTION_MODE(InTableBody)     \
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|     __ENUMERATE_INSERTION_MODE(InRow)           \
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|     __ENUMERATE_INSERTION_MODE(InCell)          \
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|     __ENUMERATE_INSERTION_MODE(InSelect)        \
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|     __ENUMERATE_INSERTION_MODE(InSelectInTable) \
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|     __ENUMERATE_INSERTION_MODE(InTemplate)      \
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|     __ENUMERATE_INSERTION_MODE(AfterBody)       \
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|     __ENUMERATE_INSERTION_MODE(InFrameset)      \
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|     __ENUMERATE_INSERTION_MODE(AfterFrameset)   \
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|     __ENUMERATE_INSERTION_MODE(AfterAfterBody)  \
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|     __ENUMERATE_INSERTION_MODE(AfterAfterFrameset)
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| 
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| class HTMLParser final : public JS::Cell {
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|     JS_CELL(HTMLParser, JS::Cell);
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|     JS_DECLARE_ALLOCATOR(HTMLParser);
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| 
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|     friend class HTMLTokenizer;
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| 
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| public:
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|     ~HTMLParser();
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| 
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|     static JS::NonnullGCPtr<HTMLParser> create_for_scripting(DOM::Document&);
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|     static JS::NonnullGCPtr<HTMLParser> create_with_uncertain_encoding(DOM::Document&, ByteBuffer const& input);
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|     static JS::NonnullGCPtr<HTMLParser> create(DOM::Document&, StringView input, StringView encoding);
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| 
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|     void run(HTMLTokenizer::StopAtInsertionPoint = HTMLTokenizer::StopAtInsertionPoint::No);
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|     void run(const URL::URL&, HTMLTokenizer::StopAtInsertionPoint = HTMLTokenizer::StopAtInsertionPoint::No);
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| 
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|     static void the_end(JS::NonnullGCPtr<DOM::Document>, JS::GCPtr<HTMLParser> = nullptr);
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| 
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|     DOM::Document& document();
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|     enum class AllowDeclarativeShadowRoots {
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|         No,
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|         Yes,
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|     };
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|     static Vector<JS::Handle<DOM::Node>> parse_html_fragment(DOM::Element& context_element, StringView, AllowDeclarativeShadowRoots = AllowDeclarativeShadowRoots::No);
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|     enum class SerializableShadowRoots {
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|         No,
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|         Yes,
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|     };
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|     static String serialize_html_fragment(DOM::Node const&, SerializableShadowRoots, Vector<JS::Handle<DOM::ShadowRoot>> const&, DOM::FragmentSerializationMode = DOM::FragmentSerializationMode::Inner);
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| 
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|     enum class InsertionMode {
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| #define __ENUMERATE_INSERTION_MODE(mode) mode,
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|         ENUMERATE_INSERTION_MODES
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| #undef __ENUMERATE_INSERTION_MODE
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|     };
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| 
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|     InsertionMode insertion_mode() const { return m_insertion_mode; }
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| 
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|     static bool is_special_tag(FlyString const& tag_name, Optional<FlyString> const& namespace_);
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| 
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|     HTMLTokenizer& tokenizer() { return m_tokenizer; }
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| 
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|     // https://html.spec.whatwg.org/multipage/parsing.html#abort-a-parser
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|     void abort();
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| 
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|     bool aborted() const { return m_aborted; }
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|     bool stopped() const { return m_stop_parsing; }
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| 
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|     size_t script_nesting_level() const { return m_script_nesting_level; }
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| 
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| private:
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|     HTMLParser(DOM::Document&, StringView input, StringView encoding);
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|     HTMLParser(DOM::Document&);
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| 
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|     virtual void visit_edges(Cell::Visitor&) override;
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| 
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|     char const* insertion_mode_name() const;
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| 
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|     DOM::QuirksMode which_quirks_mode(HTMLToken const&) const;
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| 
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|     void handle_initial(HTMLToken&);
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|     void handle_before_html(HTMLToken&);
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|     void handle_before_head(HTMLToken&);
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|     void handle_in_head(HTMLToken&);
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|     void handle_in_head_noscript(HTMLToken&);
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|     void handle_after_head(HTMLToken&);
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|     void handle_in_body(HTMLToken&);
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|     void handle_after_body(HTMLToken&);
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|     void handle_after_after_body(HTMLToken&);
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|     void handle_text(HTMLToken&);
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|     void handle_in_table(HTMLToken&);
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|     void handle_in_table_body(HTMLToken&);
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|     void handle_in_row(HTMLToken&);
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|     void handle_in_cell(HTMLToken&);
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|     void handle_in_table_text(HTMLToken&);
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|     void handle_in_select_in_table(HTMLToken&);
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|     void handle_in_select(HTMLToken&);
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|     void handle_in_caption(HTMLToken&);
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|     void handle_in_column_group(HTMLToken&);
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|     void handle_in_template(HTMLToken&);
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|     void handle_in_frameset(HTMLToken&);
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|     void handle_after_frameset(HTMLToken&);
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|     void handle_after_after_frameset(HTMLToken&);
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| 
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|     void stop_parsing() { m_stop_parsing = true; }
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| 
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|     void generate_implied_end_tags(FlyString const& exception = {});
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|     void generate_all_implied_end_tags_thoroughly();
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|     JS::NonnullGCPtr<DOM::Element> create_element_for(HTMLToken const&, Optional<FlyString> const& namespace_, DOM::Node& intended_parent);
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| 
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|     struct AdjustedInsertionLocation {
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|         JS::GCPtr<DOM::Node> parent;
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|         JS::GCPtr<DOM::Node> insert_before_sibling;
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|     };
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| 
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|     AdjustedInsertionLocation find_appropriate_place_for_inserting_node(JS::GCPtr<DOM::Element> override_target = nullptr);
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| 
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|     void insert_an_element_at_the_adjusted_insertion_location(JS::NonnullGCPtr<DOM::Element>);
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| 
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|     DOM::Text* find_character_insertion_node();
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|     void flush_character_insertions();
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|     enum class OnlyAddToElementStack {
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|         No,
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|         Yes,
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|     };
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|     JS::NonnullGCPtr<DOM::Element> insert_foreign_element(HTMLToken const&, Optional<FlyString> const& namespace_, OnlyAddToElementStack);
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|     JS::NonnullGCPtr<DOM::Element> insert_html_element(HTMLToken const&);
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|     DOM::Element& current_node();
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|     DOM::Element& adjusted_current_node();
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|     DOM::Element& node_before_current_node();
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|     void insert_character(u32 data);
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|     void insert_comment(HTMLToken&);
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|     void reconstruct_the_active_formatting_elements();
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|     void close_a_p_element();
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|     void process_using_the_rules_for(InsertionMode, HTMLToken&);
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|     void process_using_the_rules_for_foreign_content(HTMLToken&);
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|     void parse_generic_raw_text_element(HTMLToken&);
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|     void increment_script_nesting_level();
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|     void decrement_script_nesting_level();
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|     void reset_the_insertion_mode_appropriately();
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| 
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|     void adjust_mathml_attributes(HTMLToken&);
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|     void adjust_svg_tag_names(HTMLToken&);
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|     void adjust_svg_attributes(HTMLToken&);
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|     static void adjust_foreign_attributes(HTMLToken&);
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| 
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|     enum AdoptionAgencyAlgorithmOutcome {
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|         DoNothing,
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|         RunAnyOtherEndTagSteps,
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|     };
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| 
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|     AdoptionAgencyAlgorithmOutcome run_the_adoption_agency_algorithm(HTMLToken&);
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|     void clear_the_stack_back_to_a_table_context();
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|     void clear_the_stack_back_to_a_table_body_context();
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|     void clear_the_stack_back_to_a_table_row_context();
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|     void close_the_cell();
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| 
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|     InsertionMode m_insertion_mode { InsertionMode::Initial };
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|     InsertionMode m_original_insertion_mode { InsertionMode::Initial };
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| 
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|     StackOfOpenElements m_stack_of_open_elements;
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|     Vector<InsertionMode> m_stack_of_template_insertion_modes;
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|     ListOfActiveFormattingElements m_list_of_active_formatting_elements;
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| 
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|     HTMLTokenizer m_tokenizer;
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| 
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|     bool m_foster_parenting { false };
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|     bool m_frameset_ok { true };
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|     bool m_parsing_fragment { false };
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| 
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|     // https://html.spec.whatwg.org/multipage/parsing.html#scripting-flag
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|     // The scripting flag is set to "enabled" if scripting was enabled for the Document with which the parser is associated when the parser was created, and "disabled" otherwise.
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|     bool m_scripting_enabled { true };
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| 
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|     bool m_invoked_via_document_write { false };
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|     bool m_aborted { false };
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|     bool m_parser_pause_flag { false };
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|     bool m_stop_parsing { false };
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|     size_t m_script_nesting_level { 0 };
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| 
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|     JS::Realm& realm();
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| 
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|     JS::GCPtr<DOM::Document> m_document;
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|     JS::GCPtr<HTMLHeadElement> m_head_element;
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|     JS::GCPtr<HTMLFormElement> m_form_element;
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|     JS::GCPtr<DOM::Element> m_context_element;
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| 
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|     Vector<HTMLToken> m_pending_table_character_tokens;
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| 
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|     JS::GCPtr<DOM::Text> m_character_insertion_node;
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|     StringBuilder m_character_insertion_builder;
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| };
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| 
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| RefPtr<CSS::CSSStyleValue> parse_dimension_value(StringView);
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| RefPtr<CSS::CSSStyleValue> parse_nonzero_dimension_value(StringView);
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| Optional<Color> parse_legacy_color_value(StringView);
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| 
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| }
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