mirror of
https://github.com/LadybirdBrowser/ladybird.git
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218 lines
8.7 KiB
C++
218 lines
8.7 KiB
C++
/*
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* Copyright (c) 2018-2021, 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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#pragma once
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#include <AK/DeprecatedString.h>
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#include <AK/FlyString.h>
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#include <LibWeb/Bindings/ElementPrototype.h>
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#include <LibWeb/CSS/CSSStyleDeclaration.h>
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#include <LibWeb/CSS/StyleComputer.h>
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#include <LibWeb/DOM/Attr.h>
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#include <LibWeb/DOM/ChildNode.h>
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#include <LibWeb/DOM/NamedNodeMap.h>
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#include <LibWeb/DOM/NonDocumentTypeChildNode.h>
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#include <LibWeb/DOM/ParentNode.h>
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#include <LibWeb/DOM/QualifiedName.h>
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#include <LibWeb/HTML/AttributeNames.h>
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#include <LibWeb/HTML/EventLoop/Task.h>
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#include <LibWeb/HTML/TagNames.h>
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#include <LibWeb/Layout/Node.h>
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#include <LibWeb/Layout/TreeBuilder.h>
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#include <LibWeb/WebIDL/ExceptionOr.h>
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namespace Web::DOM {
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// https://w3c.github.io/csswg-drafts/cssom-view-1/#dictdef-scrolloptions
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struct ScrollOptions {
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Bindings::ScrollBehavior behavior { Bindings::ScrollBehavior::Auto };
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};
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// https://w3c.github.io/csswg-drafts/cssom-view-1/#dictdef-scrollintoviewoptions
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struct ScrollIntoViewOptions : public ScrollOptions {
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Bindings::ScrollLogicalPosition block { Bindings::ScrollLogicalPosition::Start };
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Bindings::ScrollLogicalPosition inline_ { Bindings::ScrollLogicalPosition::Nearest };
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};
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class Element
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: public ParentNode
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, public ChildNode<Element>
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, public NonDocumentTypeChildNode<Element> {
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WEB_PLATFORM_OBJECT(Element, ParentNode);
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public:
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virtual ~Element() override;
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DeprecatedString const& qualified_name() const { return m_qualified_name.as_string(); }
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DeprecatedString const& html_uppercased_qualified_name() const { return m_html_uppercased_qualified_name; }
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virtual FlyString node_name() const final { return html_uppercased_qualified_name(); }
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FlyString const& local_name() const { return m_qualified_name.local_name(); }
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// NOTE: This is for the JS bindings
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DeprecatedString const& tag_name() const { return html_uppercased_qualified_name(); }
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FlyString const& prefix() const { return m_qualified_name.prefix(); }
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FlyString const& namespace_() const { return m_qualified_name.namespace_(); }
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// NOTE: This is for the JS bindings
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FlyString const& namespace_uri() const { return namespace_(); }
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bool has_attribute(FlyString const& name) const;
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bool has_attributes() const { return !m_attributes->is_empty(); }
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DeprecatedString attribute(FlyString const& name) const { return get_attribute(name); }
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DeprecatedString get_attribute(FlyString const& name) const;
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WebIDL::ExceptionOr<void> set_attribute(FlyString const& name, DeprecatedString const& value);
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WebIDL::ExceptionOr<void> set_attribute_ns(FlyString const& namespace_, FlyString const& qualified_name, DeprecatedString const& value);
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void remove_attribute(FlyString const& name);
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WebIDL::ExceptionOr<bool> toggle_attribute(FlyString const& name, Optional<bool> force);
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size_t attribute_list_size() const { return m_attributes->length(); }
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NamedNodeMap const* attributes() const { return m_attributes.ptr(); }
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Vector<DeprecatedString> get_attribute_names() const;
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JS::GCPtr<Attr> get_attribute_node(FlyString const& name) const;
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DOMTokenList* class_list();
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WebIDL::ExceptionOr<bool> matches(StringView selectors) const;
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WebIDL::ExceptionOr<DOM::Element const*> closest(StringView selectors) const;
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int client_top() const;
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int client_left() const;
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int client_width() const;
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int client_height() const;
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template<typename Callback>
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void for_each_attribute(Callback callback) const
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{
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for (size_t i = 0; i < m_attributes->length(); ++i) {
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auto const* attribute = m_attributes->item(i);
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callback(attribute->name(), attribute->value());
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}
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}
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bool has_class(FlyString const&, CaseSensitivity = CaseSensitivity::CaseSensitive) const;
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Vector<FlyString> const& class_names() const { return m_classes; }
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virtual void apply_presentational_hints(CSS::StyleProperties&) const { }
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virtual void parse_attribute(FlyString const& name, DeprecatedString const& value);
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virtual void did_remove_attribute(FlyString const&);
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enum class NeedsRelayout {
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No = 0,
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Yes = 1,
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};
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NeedsRelayout recompute_style();
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Layout::NodeWithStyle* layout_node() { return static_cast<Layout::NodeWithStyle*>(Node::layout_node()); }
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Layout::NodeWithStyle const* layout_node() const { return static_cast<Layout::NodeWithStyle const*>(Node::layout_node()); }
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DeprecatedString name() const { return attribute(HTML::AttributeNames::name); }
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CSS::StyleProperties const* computed_css_values() const { return m_computed_css_values.ptr(); }
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void set_computed_css_values(RefPtr<CSS::StyleProperties> style) { m_computed_css_values = move(style); }
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NonnullRefPtr<CSS::StyleProperties> resolved_css_values();
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CSS::CSSStyleDeclaration const* inline_style() const;
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CSS::CSSStyleDeclaration* style_for_bindings();
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WebIDL::ExceptionOr<DeprecatedString> inner_html() const;
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WebIDL::ExceptionOr<void> set_inner_html(DeprecatedString const&);
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WebIDL::ExceptionOr<void> insert_adjacent_html(DeprecatedString position, DeprecatedString text);
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bool is_focused() const;
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bool is_active() const;
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JS::NonnullGCPtr<HTMLCollection> get_elements_by_class_name(FlyString const&);
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ShadowRoot* shadow_root() { return m_shadow_root.ptr(); }
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ShadowRoot const* shadow_root() const { return m_shadow_root.ptr(); }
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void set_shadow_root(JS::GCPtr<ShadowRoot>);
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void set_custom_properties(HashMap<FlyString, CSS::StyleProperty> custom_properties) { m_custom_properties = move(custom_properties); }
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HashMap<FlyString, CSS::StyleProperty> const& custom_properties() const { return m_custom_properties; }
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void queue_an_element_task(HTML::Task::Source, JS::SafeFunction<void()>);
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bool is_void_element() const;
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bool serializes_as_void() const;
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JS::NonnullGCPtr<Geometry::DOMRect> get_bounding_client_rect() const;
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JS::NonnullGCPtr<Geometry::DOMRectList> get_client_rects() const;
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virtual JS::GCPtr<Layout::Node> create_layout_node(NonnullRefPtr<CSS::StyleProperties>);
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virtual void did_receive_focus() { }
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virtual void did_lose_focus() { }
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static JS::GCPtr<Layout::Node> create_layout_node_for_display_type(DOM::Document&, CSS::Display const&, NonnullRefPtr<CSS::StyleProperties>, Element*);
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void set_pseudo_element_node(Badge<Layout::TreeBuilder>, CSS::Selector::PseudoElement, JS::GCPtr<Layout::Node>);
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JS::GCPtr<Layout::Node> get_pseudo_element_node(CSS::Selector::PseudoElement) const;
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void clear_pseudo_element_nodes(Badge<Layout::TreeBuilder>);
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void serialize_pseudo_elements_as_json(JsonArraySerializer<StringBuilder>& children_array) const;
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i32 tab_index() const;
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void set_tab_index(i32 tab_index);
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bool is_potentially_scrollable() const;
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double scroll_top() const;
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double scroll_left() const;
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void set_scroll_top(double y);
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void set_scroll_left(double x);
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int scroll_width() const;
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int scroll_height() const;
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bool is_actually_disabled() const;
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WebIDL::ExceptionOr<JS::GCPtr<Element>> insert_adjacent_element(DeprecatedString const& where, JS::NonnullGCPtr<Element> element);
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WebIDL::ExceptionOr<void> insert_adjacent_text(DeprecatedString const& where, DeprecatedString const& data);
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// https://w3c.github.io/csswg-drafts/cssom-view-1/#dom-element-scrollintoview
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ErrorOr<void> scroll_into_view(Optional<Variant<bool, ScrollIntoViewOptions>> = {});
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protected:
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Element(Document&, DOM::QualifiedName);
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virtual void initialize(JS::Realm&) override;
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virtual void children_changed() override;
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virtual i32 default_tab_index_value() const;
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virtual void visit_edges(Cell::Visitor&) override;
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private:
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void make_html_uppercased_qualified_name();
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void invalidate_style_after_attribute_change(FlyString const& attribute_name);
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WebIDL::ExceptionOr<JS::GCPtr<Node>> insert_adjacent(DeprecatedString const& where, JS::NonnullGCPtr<Node> node);
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QualifiedName m_qualified_name;
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DeprecatedString m_html_uppercased_qualified_name;
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JS::GCPtr<NamedNodeMap> m_attributes;
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JS::GCPtr<CSS::ElementInlineCSSStyleDeclaration> m_inline_style;
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JS::GCPtr<DOMTokenList> m_class_list;
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JS::GCPtr<ShadowRoot> m_shadow_root;
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RefPtr<CSS::StyleProperties> m_computed_css_values;
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HashMap<FlyString, CSS::StyleProperty> m_custom_properties;
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Vector<FlyString> m_classes;
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Array<JS::GCPtr<Layout::Node>, to_underlying(CSS::Selector::PseudoElement::PseudoElementCount)> m_pseudo_element_nodes;
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};
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template<>
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inline bool Node::fast_is<Element>() const { return is_element(); }
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WebIDL::ExceptionOr<QualifiedName> validate_and_extract(JS::Realm&, FlyString namespace_, FlyString qualified_name);
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}
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