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	 72c9f56c66
			
		
	
	
		72c9f56c66
		
	
	
	
	
		
			
			Stop worrying about tiny OOMs. Work towards #20449. While going through these, I also changed the function signature in many places where returning ThrowCompletionOr<T> is no longer necessary.
		
			
				
	
	
		
			73 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
	
		
			3.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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|  * Copyright (c) 2021, Tim Flynn <trflynn89@serenityos.org>
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|  * Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
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|  * Copyright (c) 2023, Luke Wilde <lukew@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 <AK/DeprecatedFlyString.h>
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| #include <AK/DeprecatedString.h>
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| #include <AK/Optional.h>
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| #include <AK/StringView.h>
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| #include <AK/Vector.h>
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| #include <LibWeb/Bindings/LegacyPlatformObject.h>
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| #include <LibWeb/Forward.h>
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| #include <LibWeb/WebIDL/ExceptionOr.h>
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| 
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| namespace Web::DOM {
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| 
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| // https://dom.spec.whatwg.org/#domtokenlist
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| class DOMTokenList final : public Bindings::LegacyPlatformObject {
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|     WEB_PLATFORM_OBJECT(DOMTokenList, Bindings::LegacyPlatformObject);
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| 
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| public:
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|     [[nodiscard]] static JS::NonnullGCPtr<DOMTokenList> create(Element& associated_element, DeprecatedFlyString associated_attribute);
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|     ~DOMTokenList() = default;
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| 
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|     void associated_attribute_changed(StringView value);
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| 
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|     virtual bool is_supported_property_index(u32 index) const override;
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|     virtual WebIDL::ExceptionOr<JS::Value> item_value(size_t index) const override;
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| 
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|     size_t length() const { return m_token_set.size(); }
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|     DeprecatedString const& item(size_t index) const;
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|     bool contains(StringView token);
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|     WebIDL::ExceptionOr<void> add(Vector<DeprecatedString> const& tokens);
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|     WebIDL::ExceptionOr<void> remove(Vector<DeprecatedString> const& tokens);
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|     WebIDL::ExceptionOr<bool> toggle(DeprecatedString const& token, Optional<bool> force);
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|     WebIDL::ExceptionOr<bool> replace(DeprecatedString const& token, DeprecatedString const& new_token);
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|     WebIDL::ExceptionOr<bool> supports(StringView token);
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|     DeprecatedString value() const;
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|     void set_value(DeprecatedString value);
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| 
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| private:
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|     DOMTokenList(Element& associated_element, DeprecatedFlyString associated_attribute);
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| 
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|     virtual void initialize(JS::Realm&) override;
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|     virtual void visit_edges(Cell::Visitor&) override;
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| 
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|     // ^Bindings::LegacyPlatformObject
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|     virtual bool supports_indexed_properties() const override { return true; }
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|     virtual bool supports_named_properties() const override { return false; }
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|     virtual bool has_indexed_property_setter() const override { return false; }
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|     virtual bool has_named_property_setter() const override { return false; }
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|     virtual bool has_named_property_deleter() const override { return false; }
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|     virtual bool has_legacy_override_built_ins_interface_extended_attribute() const override { return false; }
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|     virtual bool has_legacy_unenumerable_named_properties_interface_extended_attribute() const override { return false; }
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|     virtual bool has_global_interface_extended_attribute() const override { return false; }
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|     virtual bool indexed_property_setter_has_identifier() const override { return false; }
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|     virtual bool named_property_setter_has_identifier() const override { return false; }
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|     virtual bool named_property_deleter_has_identifier() const override { return false; }
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| 
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|     WebIDL::ExceptionOr<void> validate_token(StringView token) const;
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|     void run_update_steps();
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| 
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|     JS::NonnullGCPtr<Element> m_associated_element;
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|     DeprecatedFlyString m_associated_attribute;
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|     Vector<DeprecatedString> m_token_set;
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| };
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| 
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| }
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