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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.
111 lines
5.3 KiB
C++
111 lines
5.3 KiB
C++
/*
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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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#pragma once
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#include <AK/String.h>
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#include <LibWeb/HTML/HTMLElement.h>
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#include <LibWeb/WebIDL/CallbackType.h>
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namespace Web::HTML {
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struct AlreadyConstructedCustomElementMarker {
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};
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// https://html.spec.whatwg.org/multipage/custom-elements.html#custom-element-definition
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class CustomElementDefinition : public JS::Cell {
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JS_CELL(CustomElementDefinition, JS::Cell);
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using LifecycleCallbacksStorage = OrderedHashMap<FlyString, JS::Handle<WebIDL::CallbackType>>;
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using ConstructionStackStorage = Vector<Variant<JS::Handle<DOM::Element>, AlreadyConstructedCustomElementMarker>>;
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static JS::NonnullGCPtr<CustomElementDefinition> create(JS::Realm& realm, String const& name, String const& local_name, WebIDL::CallbackType& constructor, Vector<String>&& observed_attributes, LifecycleCallbacksStorage&& lifecycle_callbacks, bool form_associated, bool disable_internals, bool disable_shadow)
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{
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return realm.heap().allocate<CustomElementDefinition>(realm, name, local_name, constructor, move(observed_attributes), move(lifecycle_callbacks), form_associated, disable_internals, disable_shadow);
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}
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~CustomElementDefinition() = default;
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String const& name() const { return m_name; }
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String const& local_name() const { return m_local_name; }
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WebIDL::CallbackType& constructor() { return *m_constructor; }
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WebIDL::CallbackType const& constructor() const { return *m_constructor; }
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Vector<String> const& observed_attributes() const { return m_observed_attributes; }
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LifecycleCallbacksStorage const& lifecycle_callbacks() const { return m_lifecycle_callbacks; }
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ConstructionStackStorage& construction_stack() { return m_construction_stack; }
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ConstructionStackStorage const& construction_stack() const { return m_construction_stack; }
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bool form_associated() const { return m_form_associated; }
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bool disable_internals() const { return m_disable_internals; }
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bool disable_shadow() const { return m_disable_shadow; }
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private:
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CustomElementDefinition(String const& name, String const& local_name, WebIDL::CallbackType& constructor, Vector<String>&& observed_attributes, LifecycleCallbacksStorage&& lifecycle_callbacks, bool form_associated, bool disable_internals, bool disable_shadow)
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: m_name(name)
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, m_local_name(local_name)
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, m_constructor(JS::make_handle(constructor))
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, m_observed_attributes(move(observed_attributes))
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, m_lifecycle_callbacks(move(lifecycle_callbacks))
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, m_form_associated(form_associated)
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, m_disable_internals(disable_internals)
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, m_disable_shadow(disable_shadow)
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{
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}
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// https://html.spec.whatwg.org/multipage/custom-elements.html#concept-custom-element-definition-name
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// A name
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// A valid custom element name
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String m_name;
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// https://html.spec.whatwg.org/multipage/custom-elements.html#concept-custom-element-definition-local-name
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// A local name
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// A local name
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String m_local_name;
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// https://html.spec.whatwg.org/multipage/custom-elements.html#concept-custom-element-definition-constructor
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// A Web IDL CustomElementConstructor callback function type value wrapping the custom element constructor
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JS::Handle<WebIDL::CallbackType> m_constructor;
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// https://html.spec.whatwg.org/multipage/custom-elements.html#concept-custom-element-definition-observed-attributes
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// A list of observed attributes
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// A sequence<DOMString>
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Vector<String> m_observed_attributes;
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// https://html.spec.whatwg.org/multipage/custom-elements.html#concept-custom-element-definition-lifecycle-callbacks
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// A collection of lifecycle callbacks
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// A map, whose keys are the strings "connectedCallback", "disconnectedCallback", "adoptedCallback", "attributeChangedCallback",
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// "formAssociatedCallback", "formDisabledCallback", "formResetCallback", and "formStateRestoreCallback".
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// The corresponding values are either a Web IDL Function callback function type value, or null.
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// By default the value of each entry is null.
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LifecycleCallbacksStorage m_lifecycle_callbacks;
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// https://html.spec.whatwg.org/multipage/custom-elements.html#concept-custom-element-definition-construction-stack
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// A construction stack
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// A list, initially empty, that is manipulated by the upgrade an element algorithm and the HTML element constructors.
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// Each entry in the list will be either an element or an already constructed marker.
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ConstructionStackStorage m_construction_stack;
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// https://html.spec.whatwg.org/multipage/custom-elements.html#concept-custom-element-definition-form-associated
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// A form-associated boolean
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// If this is true, user agent treats elements associated to this custom element definition as form-associated custom elements.
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bool m_form_associated { false };
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// https://html.spec.whatwg.org/multipage/custom-elements.html#concept-custom-element-definition-disable-internals
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// A disable internals boolean
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// Controls attachInternals().
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bool m_disable_internals { false };
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// https://html.spec.whatwg.org/multipage/custom-elements.html#concept-custom-element-definition-disable-shadow
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// A disable shadow boolean
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// Controls attachShadow().
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bool m_disable_shadow { false };
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};
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}
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