mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-20 09:49:15 +03:00
ad5cbdc51b
This ports MouseEvent, UIEvent, WheelEvent, and Event to new String. They all had a dependency to T::create() in WebDriverConnection::fire_an_event() and therefore had to be ported in the same commit.
268 lines
70 KiB
C++
268 lines
70 KiB
C++
/*
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* Copyright (c) 2022, Ali Mohammad Pur <mpfard@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibWeb/DOM/Event.h>
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#include <LibWeb/HTML/HTMLTemplateElement.h>
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#include <LibWeb/HTML/Window.h>
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#include <LibWeb/HighResolutionTime/TimeOrigin.h>
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#include <LibWeb/XML/XMLDocumentBuilder.h>
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inline namespace {
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extern char const* s_xhtml_unified_dtd;
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}
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static DeprecatedFlyString s_html_namespace = "http://www.w3.org/1999/xhtml";
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namespace Web {
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ErrorOr<DeprecatedString> resolve_xml_resource(XML::SystemID const&, Optional<XML::PublicID> const& public_id)
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{
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if (!public_id.has_value())
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return Error::from_string_literal("Refusing to load disallowed external entity");
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auto public_literal = public_id->public_literal;
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if (!public_literal.is_one_of(
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"-//W3C//DTD XHTML 1.0 Transitional//EN",
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"-//W3C//DTD XHTML 1.1//EN",
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"-//W3C//DTD XHTML 1.0 Strict//EN",
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"-//W3C//DTD XHTML 1.0 Frameset//EN",
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"-//W3C//DTD XHTML Basic 1.0//EN",
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"-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN",
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"-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN",
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"-//W3C//DTD MathML 2.0//EN",
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"-//WAPFORUM//DTD XHTML Mobile 1.0//EN"))
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return Error::from_string_literal("Refusing to load disallowed external entity");
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return s_xhtml_unified_dtd;
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}
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XMLDocumentBuilder::XMLDocumentBuilder(DOM::Document& document, XMLScriptingSupport scripting_support)
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: m_document(document)
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, m_current_node(m_document)
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, m_scripting_support(scripting_support)
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{
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}
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void XMLDocumentBuilder::set_source(DeprecatedString source)
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{
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m_document->set_source(move(source));
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}
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void XMLDocumentBuilder::element_start(const XML::Name& name, HashMap<XML::Name, DeprecatedString> const& attributes)
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{
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if (m_has_error)
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return;
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// FIXME: This should not live here at all.
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if (auto it = attributes.find("xmlns"); it != attributes.end()) {
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if (name == HTML::TagNames::html && it->value != s_html_namespace) {
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m_has_error = true;
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return;
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}
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}
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auto node = DOM::create_element(m_document, name, {}).release_value_but_fixme_should_propagate_errors();
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// When an XML parser with XML scripting support enabled creates a script element,
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// it must have its parser document set and its "force async" flag must be unset.
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// FIXME: If the parser was created as part of the XML fragment parsing algorithm, then the element must be marked as "already started" also.
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if (m_scripting_support == XMLScriptingSupport::Enabled && HTML::TagNames::script == name) {
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auto& script_element = static_cast<HTML::HTMLScriptElement&>(*node);
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script_element.set_parser_document(Badge<XMLDocumentBuilder> {}, m_document);
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script_element.set_force_async(Badge<XMLDocumentBuilder> {}, false);
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}
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if (HTML::TagNames::template_ == m_current_node->node_name()) {
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// When an XML parser would append a node to a template element, it must instead append it to the template element's template contents (a DocumentFragment node).
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MUST(static_cast<HTML::HTMLTemplateElement&>(*m_current_node).content()->append_child(node));
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} else {
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MUST(m_current_node->append_child(node));
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}
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for (auto& attribute : attributes)
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MUST(node->set_attribute(attribute.key, attribute.value));
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m_current_node = node.ptr();
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}
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void XMLDocumentBuilder::element_end(const XML::Name& name)
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{
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if (m_has_error)
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return;
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VERIFY(m_current_node->node_name() == name);
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// When an XML parser with XML scripting support enabled creates a script element, [...]
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// When the element's end tag is subsequently parsed,
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if (m_scripting_support == XMLScriptingSupport::Enabled && HTML::TagNames::script == name) {
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// the user agent must perform a microtask checkpoint,
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HTML::perform_a_microtask_checkpoint();
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// and then prepare the script element.
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auto& script_element = static_cast<HTML::HTMLScriptElement&>(*m_current_node);
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script_element.prepare_script(Badge<XMLDocumentBuilder> {});
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// If this causes there to be a pending parsing-blocking script, then the user agent must run the following steps:
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if (m_document->pending_parsing_blocking_script()) {
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// Block this instance of the XML parser, such that the event loop will not run tasks that invoke it.
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// NOTE: Noop.
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// Spin the event loop until the parser's Document has no style sheet that is blocking scripts and the pending parsing-blocking script's "ready to be parser-executed" flag is set.
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if (m_document->has_a_style_sheet_that_is_blocking_scripts() || !script_element.is_ready_to_be_parser_executed()) {
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HTML::main_thread_event_loop().spin_until([&] {
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return !m_document->has_a_style_sheet_that_is_blocking_scripts() && script_element.is_ready_to_be_parser_executed();
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});
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}
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// Unblock this instance of the XML parser, such that tasks that invoke it can again be run.
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// NOTE: Noop.
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// Execute the pending parsing-blocking script.
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script_element.execute_script();
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// There is no longer a pending parsing-blocking script.
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}
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}
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m_current_node = m_current_node->parent_node();
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}
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void XMLDocumentBuilder::text(StringView data)
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{
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if (m_has_error)
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return;
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auto last = m_current_node->last_child();
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if (last && last->is_text()) {
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auto& text_node = static_cast<DOM::Text&>(*last);
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text_builder.append(text_node.data());
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text_builder.append(data);
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text_node.set_data(text_builder.to_deprecated_string());
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text_builder.clear();
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} else {
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auto string = DeprecatedString::empty();
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if (!data.is_null())
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string = data.to_deprecated_string();
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auto node = m_document->create_text_node(string);
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MUST(m_current_node->append_child(node));
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}
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}
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void XMLDocumentBuilder::comment(StringView data)
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{
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if (m_has_error)
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return;
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auto string = DeprecatedString::empty();
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if (!data.is_null())
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string = data.to_deprecated_string();
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MUST(m_document->append_child(m_document->create_comment(string)));
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}
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void XMLDocumentBuilder::document_end()
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{
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// When an XML parser reaches the end of its input, it must stop parsing.
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// If the active speculative HTML parser is not null, then stop the speculative HTML parser and return.
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// NOTE: Noop.
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// Set the insertion point to undefined.
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m_current_node = nullptr;
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// Update the current document readiness to "interactive".
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m_document->update_readiness(HTML::DocumentReadyState::Interactive);
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// Pop all the nodes off the stack of open elements.
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// NOTE: Noop.
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// While the list of scripts that will execute when the document has finished parsing is not empty:
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while (!m_document->scripts_to_execute_when_parsing_has_finished().is_empty()) {
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// Spin the event loop until the first script in the list of scripts that will execute when the document has finished parsing has its "ready to be parser-executed" flag set
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// and the parser's Document has no style sheet that is blocking scripts.
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HTML::main_thread_event_loop().spin_until([&] {
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return m_document->scripts_to_execute_when_parsing_has_finished().first()->is_ready_to_be_parser_executed()
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&& !m_document->has_a_style_sheet_that_is_blocking_scripts();
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});
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// Execute the first script in the list of scripts that will execute when the document has finished parsing.
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m_document->scripts_to_execute_when_parsing_has_finished().first()->execute_script();
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// Remove the first script element from the list of scripts that will execute when the document has finished parsing (i.e. shift out the first entry in the list).
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(void)m_document->scripts_to_execute_when_parsing_has_finished().take_first();
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}
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// Queue a global task on the DOM manipulation task source given the Document's relevant global object to run the following substeps:
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old_queue_global_task_with_document(HTML::Task::Source::DOMManipulation, m_document, [document = m_document] {
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// Set the Document's load timing info's DOM content loaded event start time to the current high resolution time given the Document's relevant global object.
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document->load_timing_info().dom_content_loaded_event_start_time = HighResolutionTime::unsafe_shared_current_time();
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// Fire an event named DOMContentLoaded at the Document object, with its bubbles attribute initialized to true.
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auto content_loaded_event = DOM::Event::create(document->realm(), HTML::EventNames::DOMContentLoaded).release_value_but_fixme_should_propagate_errors();
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content_loaded_event->set_bubbles(true);
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document->dispatch_event(content_loaded_event);
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// Set the Document's load timing info's DOM content loaded event end time to the current high resolution time given the Document's relevant global object.
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document->load_timing_info().dom_content_loaded_event_end_time = HighResolutionTime::unsafe_shared_current_time();
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// FIXME: Enable the client message queue of the ServiceWorkerContainer object whose associated service worker client is the Document object's relevant settings object.
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// FIXME: Invoke WebDriver BiDi DOM content loaded with the Document's browsing context, and a new WebDriver BiDi navigation status whose id is the Document object's navigation id, status is "pending", and url is the Document object's URL.
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});
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// Spin the event loop until the set of scripts that will execute as soon as possible and the list of scripts that will execute in order as soon as possible are empty.
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HTML::main_thread_event_loop().spin_until([&] {
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return m_document->scripts_to_execute_as_soon_as_possible().is_empty();
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});
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// Spin the event loop until there is nothing that delays the load event in the Document.
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HTML::main_thread_event_loop().spin_until([&] {
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return m_document->number_of_things_delaying_the_load_event() == 0;
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});
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// Queue a global task on the DOM manipulation task source given the Document's relevant global object to run the following steps:
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old_queue_global_task_with_document(HTML::Task::Source::DOMManipulation, m_document, [document = m_document] {
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// Update the current document readiness to "complete".
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document->update_readiness(HTML::DocumentReadyState::Complete);
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// If the Document object's browsing context is null, then abort these steps.
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if (!document->browsing_context())
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return;
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// Let window be the Document's relevant global object.
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JS::NonnullGCPtr<HTML::Window> window = verify_cast<HTML::Window>(relevant_global_object(*document));
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// Set the Document's load timing info's load event start time to the current high resolution time given window.
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document->load_timing_info().load_event_start_time = HighResolutionTime::unsafe_shared_current_time();
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// Fire an event named load at window, with legacy target override flag set.
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// FIXME: The legacy target override flag is currently set by a virtual override of dispatch_event()
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// We should reorganize this so that the flag appears explicitly here instead.
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window->dispatch_event(DOM::Event::create(document->realm(), HTML::EventNames::load).release_value_but_fixme_should_propagate_errors());
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// FIXME: Invoke WebDriver BiDi load complete with the Document's browsing context, and a new WebDriver BiDi navigation status whose id is the Document object's navigation id, status is "complete", and url is the Document object's URL.
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// FIXME: Set the Document object's navigation id to null.
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// Set the Document's load timing info's load event end time to the current high resolution time given window.
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document->load_timing_info().dom_content_loaded_event_end_time = HighResolutionTime::unsafe_shared_current_time();
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// Assert: Document's page showing is false.
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VERIFY(!document->page_showing());
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// Set the Document's page showing flag to true.
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document->set_page_showing(true);
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// Fire a page transition event named pageshow at window with false.
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window->fire_a_page_transition_event(HTML::EventNames::pageshow.to_deprecated_fly_string(), false);
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// Completely finish loading the Document.
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document->completely_finish_loading();
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// FIXME: Queue the navigation timing entry for the Document.
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});
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// FIXME: If the Document's print when loaded flag is set, then run the printing steps.
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// The Document is now ready for post-load tasks.
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m_document->set_ready_for_post_load_tasks(true);
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}
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}
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inline namespace {
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char const* s_xhtml_unified_dtd = R"xmlxmlxml(
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<!ENTITY Tab "	"><!ENTITY NewLine "
"><!ENTITY excl "!"><!ENTITY quot """><!ENTITY QUOT """><!ENTITY num "#"><!ENTITY dollar "$"><!ENTITY percnt "%"><!ENTITY amp "&#x26;"><!ENTITY AMP "&#x26;"><!ENTITY apos "'"><!ENTITY lpar "("><!ENTITY rpar ")"><!ENTITY ast "*"><!ENTITY midast "*"><!ENTITY plus "+"><!ENTITY comma ","><!ENTITY period "."><!ENTITY sol "/"><!ENTITY colon ":"><!ENTITY semi ";"><!ENTITY lt "&#x3C;"><!ENTITY LT "&#x3C;"><!ENTITY nvlt "&#x3C;⃒"><!ENTITY equals "="><!ENTITY bne "=⃥"><!ENTITY gt ">"><!ENTITY GT ">"><!ENTITY nvgt ">⃒"><!ENTITY quest "?"><!ENTITY commat "@"><!ENTITY lsqb "["><!ENTITY lbrack "["><!ENTITY bsol "\"><!ENTITY rsqb "]"><!ENTITY rbrack "]"><!ENTITY Hat "^"><!ENTITY lowbar "_"><!ENTITY UnderBar "_"><!ENTITY grave "`"><!ENTITY DiacriticalGrave "`"><!ENTITY fjlig "fj"><!ENTITY lcub "{"><!ENTITY lbrace "{"><!ENTITY verbar "|"><!ENTITY vert "|"><!ENTITY VerticalLine "|"><!ENTITY rcub "}"><!ENTITY rbrace "}"><!ENTITY nbsp " "><!ENTITY NonBreakingSpace " "><!ENTITY iexcl "¡"><!ENTITY cent "¢"><!ENTITY pound "£"><!ENTITY curren "¤"><!ENTITY yen "¥"><!ENTITY brvbar "¦"><!ENTITY sect "§"><!ENTITY Dot "¨"><!ENTITY die "¨"><!ENTITY DoubleDot "¨"><!ENTITY uml "¨"><!ENTITY copy "©"><!ENTITY COPY "©"><!ENTITY ordf "ª"><!ENTITY laquo "«"><!ENTITY not "¬"><!ENTITY shy "­"><!ENTITY reg "®"><!ENTITY circledR "®"><!ENTITY REG "®"><!ENTITY macr "¯"><!ENTITY strns "¯"><!ENTITY deg "°"><!ENTITY plusmn "±"><!ENTITY pm "±"><!ENTITY PlusMinus "±"><!ENTITY sup2 "²"><!ENTITY sup3 "³"><!ENTITY acute "´"><!ENTITY DiacriticalAcute "´"><!ENTITY micro "µ"><!ENTITY para "¶"><!ENTITY middot "·"><!ENTITY centerdot "·"><!ENTITY CenterDot "·"><!ENTITY cedil "¸"><!ENTITY Cedilla "¸"><!ENTITY sup1 "¹"><!ENTITY ordm "º"><!ENTITY raquo "»"><!ENTITY frac14 "¼"><!ENTITY frac12 "½"><!ENTITY half "½"><!ENTITY frac34 "¾"><!ENTITY iquest "¿"><!ENTITY Agrave "À"><!ENTITY Aacute "Á"><!ENTITY Acirc "Â"><!ENTITY Atilde "Ã"><!ENTITY Auml "Ä"><!ENTITY Aring "Å"><!ENTITY angst "Å"><!ENTITY AElig "Æ"><!ENTITY Ccedil "Ç"><!ENTITY Egrave "È"><!ENTITY Eacute "É"><!ENTITY Ecirc "Ê"><!ENTITY Euml "Ë"><!ENTITY Igrave "Ì"><!ENTITY Iacute "Í"><!ENTITY Icirc "Î"><!ENTITY Iuml "Ï"><!ENTITY ETH "Ð"><!ENTITY Ntilde "Ñ"><!ENTITY Ograve "Ò"><!ENTITY Oacute "Ó"><!ENTITY Ocirc "Ô"><!ENTITY Otilde "Õ"><!ENTITY Ouml "Ö"><!ENTITY times "×"><!ENTITY Oslash "Ø"><!ENTITY Ugrave "Ù"><!ENTITY Uacute "Ú"><!ENTITY Ucirc "Û"><!ENTITY Uuml "Ü"><!ENTITY Yacute "Ý"><!ENTITY THORN "Þ"><!ENTITY szlig "ß"><!ENTITY agrave "à"><!ENTITY aacute "á"><!ENTITY acirc "â"><!ENTITY atilde "ã"><!ENTITY auml "ä"><!ENTITY aring "å"><!ENTITY aelig "æ"><!ENTITY ccedil "ç"><!ENTITY egrave "è"><!ENTITY eacute "é"><!ENTITY ecirc "ê"><!ENTITY euml "ë"><!ENTITY igrave "ì"><!ENTITY iacute "í"><!ENTITY icirc "î"><!ENTITY iuml "ï"><!ENTITY eth "ð"><!ENTITY ntilde "ñ"><!ENTITY ograve "ò"><!ENTITY oacute "ó"><!ENTITY ocirc "ô"><!ENTITY otilde "õ"><!ENTITY ouml "ö"><!ENTITY divide "÷"><!ENTITY div "÷"><!ENTITY oslash "ø"><!ENTITY ugrave "ù"><!ENTITY uacute "ú"><!ENTITY ucirc "û"><!ENTITY uuml "ü"><!ENTITY yacute "ý"><!ENTITY thorn "þ"><!ENTITY yuml "ÿ"><!ENTITY Amacr "Ā"><!ENTITY amacr "ā"><!ENTITY Abreve "Ă"><!ENTITY abreve "ă"><!ENTITY Aogon "Ą"><!ENTITY aogon "ą"><!ENTITY Cacute "Ć"><!ENTITY cacute "ć"><!ENTITY Ccirc "Ĉ"><!ENTITY ccirc "ĉ"><!ENTITY Cdot "Ċ"><!ENTITY cdot "ċ"><!ENTITY Ccaron "Č"><!ENTITY ccaron "č"><!ENTITY Dcaron "Ď"><!ENTITY dcaron "ď"><!ENTITY Dstrok "Đ"><!ENTITY dstrok "đ"><!ENTITY Emacr "Ē"><!ENTITY emacr "ē"><!ENTITY Edot "Ė"><!ENTITY edot "ė"><!ENTITY Eogon "Ę"><!ENTITY eogon "ę"><!ENTITY Ecaron "Ě"><!ENTITY ecaron "ě"><!ENTITY Gcirc "Ĝ"><!ENTITY gcirc "ĝ"><!ENTITY Gbreve "Ğ"><!ENTITY gbreve "ğ"><!ENTITY Gdot "Ġ"><!ENTITY gdot "ġ"><!ENTITY Gcedil "Ģ"><!ENTITY Hcirc "Ĥ"><!ENTITY hcirc "ĥ"><!ENTITY Hstrok "Ħ"><!ENTITY hstrok "ħ"><!ENTITY Itilde "Ĩ"><!ENTITY itilde "ĩ"><!ENTITY Imacr "Ī"><!ENTITY imacr "ī"><!ENTITY Iogon "Į"><!ENTITY iogon "į"><!ENTITY Idot "İ"><!ENTITY imath "ı"><!ENTITY inodot "ı"><!ENTITY IJlig "IJ"><!ENTITY ijlig "ij"><!ENTITY Jcirc "Ĵ"><!ENTITY jcirc "ĵ"><!ENTITY Kcedil "Ķ"><!ENTITY kcedil "ķ"><!ENTITY kgreen "ĸ"><!ENTITY Lacute "Ĺ"><!ENTITY lacute "ĺ"><!ENTITY Lcedil "Ļ"><!ENTITY lcedil "ļ"><!ENTITY Lcaron "Ľ"><!ENTITY lcaron "ľ"><!ENTITY Lmidot "Ŀ"><!ENTITY lmidot "ŀ"><!ENTITY Lstrok "Ł"><!ENTITY lstrok "ł"><!ENTITY Nacute "Ń"><!ENTITY nacute "ń"><!ENTITY Ncedil "Ņ"><!ENTITY ncedil "ņ"><!ENTITY Ncaron "Ň"><!ENTITY ncaron "ň"><!ENTITY napos "ʼn"><!ENTITY ENG "Ŋ"><!ENTITY eng "ŋ"><!ENTITY Omacr "Ō"><!ENTITY omacr "ō"><!ENTITY Odblac "Ő"><!ENTITY odblac "ő"><!ENTITY OElig "Œ"><!ENTITY oelig "œ"><!ENTITY Racute "Ŕ"><!ENTITY racute "ŕ"><!ENTITY Rcedil "Ŗ"><!ENTITY rcedil "ŗ"><!ENTITY Rcaron "Ř"><!ENTITY rcaron "ř"><!ENTITY Sacute "Ś"><!ENTITY sacute "ś"><!ENTITY Scirc "Ŝ"><!ENTITY scirc "ŝ"><!ENTITY Scedil "Ş"><!ENTITY scedil "ş"><!ENTITY Scaron "Š"><!ENTITY scaron "š"><!ENTITY Tcedil "Ţ"><!ENTITY tcedil "ţ"><!ENTITY Tcaron "Ť"><!ENTITY tcaron "ť"><!ENTITY Tstrok "Ŧ"><!ENTITY tstrok "ŧ"><!ENTITY Utilde "Ũ"><!ENTITY utilde "ũ"><!ENTITY Umacr "Ū"><!ENTITY umacr "ū"><!ENTITY Ubreve "Ŭ"><!ENTITY ubreve "ŭ"><!ENTITY Uring "Ů"><!ENTITY uring "ů"><!ENTITY Udblac "Ű"><!ENTITY udblac "ű"><!ENTITY Uogon "Ų"><!ENTITY uogon "ų"><!ENTITY Wcirc "Ŵ"><!ENTITY wcirc "ŵ"><!ENTITY Ycirc "Ŷ"><!ENTITY ycirc "ŷ"><!ENTITY Yuml "Ÿ"><!ENTITY Zacute "Ź"><!ENTITY zacute "ź"><!ENTITY Zdot "Ż"><!ENTITY zdot "ż"><!ENTITY Zcaron "Ž"><!ENTITY zcaron "ž"><!ENTITY fnof "ƒ"><!ENTITY imped "Ƶ"><!ENTITY gacute "ǵ"><!ENTITY jmath "ȷ"><!ENTITY circ "ˆ"><!ENTITY caron "ˇ"><!ENTITY Hacek "ˇ"><!ENTITY breve "˘"><!ENTITY Breve "˘"><!ENTITY dot "˙"><!ENTITY DiacriticalDot "˙"><!ENTITY ring "˚"><!ENTITY ogon "˛"><!ENTITY tilde "˜"><!ENTITY DiacriticalTilde "˜"><!ENTITY dblac "˝"><!ENTITY DiacriticalDoubleAcute "˝"><!ENTITY DownBreve "̑"><!ENTITY Alpha "Α"><!ENTITY Beta "Β"><!ENTITY Gamma "Γ"><!ENTITY Delta "Δ"><!ENTITY Epsilon "Ε"><!ENTITY Zeta "Ζ"><!ENTITY Eta "Η"><!ENTITY Theta 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"⥶"><!ENTITY gtrarr "⥸"><!ENTITY subrarr "⥹"><!ENTITY suplarr "⥻"><!ENTITY lfisht "⥼"><!ENTITY rfisht "⥽"><!ENTITY ufisht "⥾"><!ENTITY dfisht "⥿"><!ENTITY lopar "⦅"><!ENTITY ropar "⦆"><!ENTITY lbrke "⦋"><!ENTITY rbrke "⦌"><!ENTITY lbrkslu "⦍"><!ENTITY rbrksld "⦎"><!ENTITY lbrksld "⦏"><!ENTITY rbrkslu "⦐"><!ENTITY langd "⦑"><!ENTITY rangd "⦒"><!ENTITY lparlt "⦓"><!ENTITY rpargt "⦔"><!ENTITY gtlPar "⦕"><!ENTITY ltrPar "⦖"><!ENTITY vzigzag "⦚"><!ENTITY vangrt "⦜"><!ENTITY angrtvbd "⦝"><!ENTITY ange "⦤"><!ENTITY range "⦥"><!ENTITY dwangle "⦦"><!ENTITY uwangle "⦧"><!ENTITY angmsdaa "⦨"><!ENTITY angmsdab "⦩"><!ENTITY angmsdac "⦪"><!ENTITY angmsdad "⦫"><!ENTITY angmsdae "⦬"><!ENTITY angmsdaf "⦭"><!ENTITY angmsdag "⦮"><!ENTITY angmsdah "⦯"><!ENTITY bemptyv "⦰"><!ENTITY demptyv "⦱"><!ENTITY cemptyv "⦲"><!ENTITY raemptyv "⦳"><!ENTITY laemptyv "⦴"><!ENTITY ohbar "⦵"><!ENTITY omid "⦶"><!ENTITY opar "⦷"><!ENTITY operp "⦹"><!ENTITY olcross "⦻"><!ENTITY odsold "⦼"><!ENTITY olcir "⦾"><!ENTITY ofcir "⦿"><!ENTITY olt "⧀"><!ENTITY ogt "⧁"><!ENTITY cirscir "⧂"><!ENTITY cirE "⧃"><!ENTITY solb "⧄"><!ENTITY bsolb "⧅"><!ENTITY boxbox "⧉"><!ENTITY trisb "⧍"><!ENTITY rtriltri "⧎"><!ENTITY LeftTriangleBar "⧏"><!ENTITY NotLeftTriangleBar "⧏̸"><!ENTITY RightTriangleBar "⧐"><!ENTITY NotRightTriangleBar "⧐̸"><!ENTITY iinfin "⧜"><!ENTITY infintie "⧝"><!ENTITY nvinfin "⧞"><!ENTITY eparsl "⧣"><!ENTITY smeparsl "⧤"><!ENTITY eqvparsl "⧥"><!ENTITY lozf "⧫"><!ENTITY blacklozenge "⧫"><!ENTITY RuleDelayed "⧴"><!ENTITY dsol "⧶"><!ENTITY xodot "⨀"><!ENTITY bigodot "⨀"><!ENTITY xoplus "⨁"><!ENTITY bigoplus "⨁"><!ENTITY xotime "⨂"><!ENTITY bigotimes "⨂"><!ENTITY xuplus "⨄"><!ENTITY biguplus "⨄"><!ENTITY xsqcup "⨆"><!ENTITY bigsqcup "⨆"><!ENTITY qint "⨌"><!ENTITY iiiint "⨌"><!ENTITY fpartint "⨍"><!ENTITY cirfnint "⨐"><!ENTITY awint "⨑"><!ENTITY rppolint "⨒"><!ENTITY scpolint "⨓"><!ENTITY npolint "⨔"><!ENTITY pointint "⨕"><!ENTITY quatint "⨖"><!ENTITY intlarhk "⨗"><!ENTITY pluscir "⨢"><!ENTITY plusacir "⨣"><!ENTITY simplus "⨤"><!ENTITY plusdu "⨥"><!ENTITY plussim "⨦"><!ENTITY plustwo "⨧"><!ENTITY mcomma "⨩"><!ENTITY minusdu "⨪"><!ENTITY loplus "⨭"><!ENTITY roplus "⨮"><!ENTITY Cross "⨯"><!ENTITY timesd "⨰"><!ENTITY timesbar "⨱"><!ENTITY smashp "⨳"><!ENTITY lotimes "⨴"><!ENTITY rotimes "⨵"><!ENTITY otimesas "⨶"><!ENTITY Otimes "⨷"><!ENTITY odiv "⨸"><!ENTITY triplus "⨹"><!ENTITY triminus "⨺"><!ENTITY tritime "⨻"><!ENTITY iprod "⨼"><!ENTITY intprod "⨼"><!ENTITY amalg "⨿"><!ENTITY capdot "⩀"><!ENTITY ncup "⩂"><!ENTITY ncap "⩃"><!ENTITY capand "⩄"><!ENTITY cupor "⩅"><!ENTITY cupcap "⩆"><!ENTITY capcup "⩇"><!ENTITY cupbrcap "⩈"><!ENTITY capbrcup "⩉"><!ENTITY cupcup "⩊"><!ENTITY capcap "⩋"><!ENTITY ccups "⩌"><!ENTITY ccaps "⩍"><!ENTITY ccupssm "⩐"><!ENTITY And "⩓"><!ENTITY Or "⩔"><!ENTITY andand "⩕"><!ENTITY oror "⩖"><!ENTITY orslope "⩗"><!ENTITY andslope "⩘"><!ENTITY andv "⩚"><!ENTITY orv "⩛"><!ENTITY andd "⩜"><!ENTITY ord "⩝"><!ENTITY wedbar "⩟"><!ENTITY sdote "⩦"><!ENTITY simdot "⩪"><!ENTITY congdot "⩭"><!ENTITY ncongdot "⩭̸"><!ENTITY easter "⩮"><!ENTITY apacir "⩯"><!ENTITY apE "⩰"><!ENTITY napE "⩰̸"><!ENTITY eplus "⩱"><!ENTITY pluse "⩲"><!ENTITY Esim "⩳"><!ENTITY Colone "⩴"><!ENTITY Equal "⩵"><!ENTITY eDDot "⩷"><!ENTITY ddotseq "⩷"><!ENTITY equivDD "⩸"><!ENTITY ltcir "⩹"><!ENTITY gtcir "⩺"><!ENTITY ltquest "⩻"><!ENTITY gtquest "⩼"><!ENTITY les "⩽"><!ENTITY LessSlantEqual "⩽"><!ENTITY leqslant "⩽"><!ENTITY nles "⩽̸"><!ENTITY NotLessSlantEqual "⩽̸"><!ENTITY nleqslant "⩽̸"><!ENTITY ges "⩾"><!ENTITY GreaterSlantEqual "⩾"><!ENTITY geqslant "⩾"><!ENTITY nges "⩾̸"><!ENTITY NotGreaterSlantEqual "⩾̸"><!ENTITY ngeqslant "⩾̸"><!ENTITY lesdot "⩿"><!ENTITY gesdot "⪀"><!ENTITY lesdoto "⪁"><!ENTITY gesdoto "⪂"><!ENTITY lesdotor "⪃"><!ENTITY gesdotol "⪄"><!ENTITY lap "⪅"><!ENTITY lessapprox "⪅"><!ENTITY gap "⪆"><!ENTITY gtrapprox "⪆"><!ENTITY lne "⪇"><!ENTITY lneq "⪇"><!ENTITY gne "⪈"><!ENTITY gneq "⪈"><!ENTITY lnap "⪉"><!ENTITY lnapprox "⪉"><!ENTITY gnap "⪊"><!ENTITY gnapprox "⪊"><!ENTITY lEg "⪋"><!ENTITY lesseqqgtr "⪋"><!ENTITY gEl "⪌"><!ENTITY gtreqqless "⪌"><!ENTITY lsime "⪍"><!ENTITY gsime "⪎"><!ENTITY lsimg "⪏"><!ENTITY gsiml "⪐"><!ENTITY lgE "⪑"><!ENTITY glE "⪒"><!ENTITY lesges "⪓"><!ENTITY gesles "⪔"><!ENTITY els "⪕"><!ENTITY eqslantless "⪕"><!ENTITY egs "⪖"><!ENTITY eqslantgtr "⪖"><!ENTITY elsdot "⪗"><!ENTITY egsdot "⪘"><!ENTITY el "⪙"><!ENTITY eg "⪚"><!ENTITY siml "⪝"><!ENTITY simg "⪞"><!ENTITY simlE "⪟"><!ENTITY simgE "⪠"><!ENTITY LessLess "⪡"><!ENTITY NotNestedLessLess "⪡̸"><!ENTITY GreaterGreater "⪢"><!ENTITY NotNestedGreaterGreater "⪢̸"><!ENTITY glj "⪤"><!ENTITY gla "⪥"><!ENTITY ltcc "⪦"><!ENTITY gtcc "⪧"><!ENTITY lescc "⪨"><!ENTITY gescc "⪩"><!ENTITY smt "⪪"><!ENTITY lat "⪫"><!ENTITY smte "⪬"><!ENTITY smtes "⪬︀"><!ENTITY late "⪭"><!ENTITY lates "⪭︀"><!ENTITY bumpE "⪮"><!ENTITY pre "⪯"><!ENTITY preceq "⪯"><!ENTITY PrecedesEqual "⪯"><!ENTITY npre "⪯̸"><!ENTITY npreceq "⪯̸"><!ENTITY NotPrecedesEqual "⪯̸"><!ENTITY sce "⪰"><!ENTITY succeq "⪰"><!ENTITY SucceedsEqual "⪰"><!ENTITY nsce "⪰̸"><!ENTITY nsucceq "⪰̸"><!ENTITY NotSucceedsEqual "⪰̸"><!ENTITY prE "⪳"><!ENTITY scE "⪴"><!ENTITY prnE "⪵"><!ENTITY precneqq "⪵"><!ENTITY scnE "⪶"><!ENTITY succneqq "⪶"><!ENTITY prap "⪷"><!ENTITY precapprox "⪷"><!ENTITY scap "⪸"><!ENTITY succapprox "⪸"><!ENTITY prnap "⪹"><!ENTITY precnapprox "⪹"><!ENTITY scnap "⪺"><!ENTITY succnapprox "⪺"><!ENTITY Pr "⪻"><!ENTITY Sc "⪼"><!ENTITY subdot "⪽"><!ENTITY supdot "⪾"><!ENTITY subplus "⪿"><!ENTITY supplus "⫀"><!ENTITY submult "⫁"><!ENTITY supmult "⫂"><!ENTITY subedot "⫃"><!ENTITY supedot "⫄"><!ENTITY subE "⫅"><!ENTITY subseteqq "⫅"><!ENTITY nsubE "⫅̸"><!ENTITY nsubseteqq "⫅̸"><!ENTITY supE "⫆"><!ENTITY supseteqq "⫆"><!ENTITY nsupE "⫆̸"><!ENTITY nsupseteqq "⫆̸"><!ENTITY subsim "⫇"><!ENTITY supsim "⫈"><!ENTITY subnE "⫋"><!ENTITY subsetneqq "⫋"><!ENTITY vsubnE "⫋︀"><!ENTITY varsubsetneqq "⫋︀"><!ENTITY supnE "⫌"><!ENTITY supsetneqq "⫌"><!ENTITY vsupnE "⫌︀"><!ENTITY varsupsetneqq "⫌︀"><!ENTITY csub "⫏"><!ENTITY csup "⫐"><!ENTITY csube "⫑"><!ENTITY csupe "⫒"><!ENTITY subsup "⫓"><!ENTITY supsub "⫔"><!ENTITY subsub "⫕"><!ENTITY supsup "⫖"><!ENTITY suphsub "⫗"><!ENTITY supdsub "⫘"><!ENTITY forkv "⫙"><!ENTITY topfork "⫚"><!ENTITY mlcp "⫛"><!ENTITY Dashv "⫤"><!ENTITY DoubleLeftTee "⫤"><!ENTITY Vdashl "⫦"><!ENTITY Barv "⫧"><!ENTITY vBar "⫨"><!ENTITY vBarv "⫩"><!ENTITY Vbar "⫫"><!ENTITY Not "⫬"><!ENTITY bNot "⫭"><!ENTITY rnmid "⫮"><!ENTITY cirmid "⫯"><!ENTITY midcir "⫰"><!ENTITY topcir "⫱"><!ENTITY nhpar "⫲"><!ENTITY parsim "⫳"><!ENTITY parsl "⫽"><!ENTITY nparsl "⫽⃥"><!ENTITY fflig "ff"><!ENTITY filig "fi"><!ENTITY fllig "fl"><!ENTITY ffilig "ffi"><!ENTITY ffllig "ffl"><!ENTITY Ascr "𝒜"><!ENTITY Cscr "𝒞"><!ENTITY Dscr "𝒟"><!ENTITY Gscr "𝒢"><!ENTITY Jscr "𝒥"><!ENTITY Kscr "𝒦"><!ENTITY Nscr "𝒩"><!ENTITY Oscr "𝒪"><!ENTITY Pscr "𝒫"><!ENTITY Qscr "𝒬"><!ENTITY Sscr "𝒮"><!ENTITY Tscr "𝒯"><!ENTITY Uscr "𝒰"><!ENTITY Vscr "𝒱"><!ENTITY Wscr "𝒲"><!ENTITY Xscr "𝒳"><!ENTITY Yscr "𝒴"><!ENTITY Zscr "𝒵"><!ENTITY ascr "𝒶"><!ENTITY bscr "𝒷"><!ENTITY cscr "𝒸"><!ENTITY dscr "𝒹"><!ENTITY fscr "𝒻"><!ENTITY hscr "𝒽"><!ENTITY iscr "𝒾"><!ENTITY jscr "𝒿"><!ENTITY kscr "𝓀"><!ENTITY lscr "𝓁"><!ENTITY mscr "𝓂"><!ENTITY nscr "𝓃"><!ENTITY pscr "𝓅"><!ENTITY qscr "𝓆"><!ENTITY rscr "𝓇"><!ENTITY sscr "𝓈"><!ENTITY tscr "𝓉"><!ENTITY uscr "𝓊"><!ENTITY vscr "𝓋"><!ENTITY wscr "𝓌"><!ENTITY xscr "𝓍"><!ENTITY yscr "𝓎"><!ENTITY zscr "𝓏"><!ENTITY Afr "𝔄"><!ENTITY Bfr "𝔅"><!ENTITY Dfr "𝔇"><!ENTITY Efr "𝔈"><!ENTITY Ffr "𝔉"><!ENTITY Gfr "𝔊"><!ENTITY Jfr "𝔍"><!ENTITY Kfr "𝔎"><!ENTITY Lfr "𝔏"><!ENTITY Mfr "𝔐"><!ENTITY Nfr "𝔑"><!ENTITY Ofr "𝔒"><!ENTITY Pfr "𝔓"><!ENTITY Qfr "𝔔"><!ENTITY Sfr "𝔖"><!ENTITY Tfr "𝔗"><!ENTITY Ufr "𝔘"><!ENTITY Vfr "𝔙"><!ENTITY Wfr "𝔚"><!ENTITY Xfr "𝔛"><!ENTITY Yfr "𝔜"><!ENTITY afr "𝔞"><!ENTITY bfr "𝔟"><!ENTITY cfr "𝔠"><!ENTITY dfr "𝔡"><!ENTITY efr "𝔢"><!ENTITY ffr "𝔣"><!ENTITY gfr "𝔤"><!ENTITY hfr "𝔥"><!ENTITY ifr "𝔦"><!ENTITY jfr "𝔧"><!ENTITY kfr "𝔨"><!ENTITY lfr "𝔩"><!ENTITY mfr "𝔪"><!ENTITY nfr "𝔫"><!ENTITY ofr "𝔬"><!ENTITY pfr "𝔭"><!ENTITY qfr "𝔮"><!ENTITY rfr "𝔯"><!ENTITY sfr "𝔰"><!ENTITY tfr "𝔱"><!ENTITY ufr "𝔲"><!ENTITY vfr "𝔳"><!ENTITY wfr "𝔴"><!ENTITY xfr "𝔵"><!ENTITY yfr "𝔶"><!ENTITY zfr "𝔷"><!ENTITY Aopf "𝔸"><!ENTITY Bopf "𝔹"><!ENTITY Dopf "𝔻"><!ENTITY Eopf "𝔼"><!ENTITY Fopf "𝔽"><!ENTITY Gopf "𝔾"><!ENTITY Iopf "𝕀"><!ENTITY Jopf "𝕁"><!ENTITY Kopf "𝕂"><!ENTITY Lopf "𝕃"><!ENTITY Mopf "𝕄"><!ENTITY Oopf "𝕆"><!ENTITY Sopf "𝕊"><!ENTITY Topf "𝕋"><!ENTITY Uopf "𝕌"><!ENTITY Vopf "𝕍"><!ENTITY Wopf "𝕎"><!ENTITY Xopf "𝕏"><!ENTITY Yopf "𝕐"><!ENTITY aopf "𝕒"><!ENTITY bopf "𝕓"><!ENTITY copf "𝕔"><!ENTITY dopf "𝕕"><!ENTITY eopf "𝕖"><!ENTITY fopf "𝕗"><!ENTITY gopf "𝕘"><!ENTITY hopf "𝕙"><!ENTITY iopf "𝕚"><!ENTITY jopf "𝕛"><!ENTITY kopf "𝕜"><!ENTITY lopf "𝕝"><!ENTITY mopf "𝕞"><!ENTITY nopf "𝕟"><!ENTITY oopf "𝕠"><!ENTITY popf "𝕡"><!ENTITY qopf "𝕢"><!ENTITY ropf "𝕣"><!ENTITY sopf "𝕤"><!ENTITY topf "𝕥"><!ENTITY uopf "𝕦"><!ENTITY vopf "𝕧"><!ENTITY wopf "𝕨"><!ENTITY xopf "𝕩"><!ENTITY yopf "𝕪"><!ENTITY zopf "𝕫">
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)xmlxmlxml";
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}
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