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LibWeb: Implement (most of) NamedNodeMap to store attributes
This commit is contained in:
parent
454d218716
commit
2a3ac02ef1
6 changed files with 284 additions and 0 deletions
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@ -928,6 +928,8 @@ static bool is_wrappable_type(IDL::Type const& type)
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return true;
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return true;
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if (type.name == "Attribute")
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if (type.name == "Attribute")
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return true;
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return true;
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if (type.name == "NamedNodeMap")
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return true;
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return false;
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return false;
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}
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}
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@ -1655,6 +1657,7 @@ void generate_implementation(IDL::Interface const& interface)
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#include <LibWeb/Bindings/IDLAbstractOperations.h>
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#include <LibWeb/Bindings/IDLAbstractOperations.h>
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#include <LibWeb/Bindings/ImageDataWrapper.h>
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#include <LibWeb/Bindings/ImageDataWrapper.h>
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#include <LibWeb/Bindings/MessagePortWrapper.h>
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#include <LibWeb/Bindings/MessagePortWrapper.h>
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#include <LibWeb/Bindings/NamedNodeMapWrapper.h>
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#include <LibWeb/Bindings/NodeWrapperFactory.h>
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#include <LibWeb/Bindings/NodeWrapperFactory.h>
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#include <LibWeb/Bindings/TextWrapper.h>
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#include <LibWeb/Bindings/TextWrapper.h>
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#include <LibWeb/Bindings/WindowObject.h>
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#include <LibWeb/Bindings/WindowObject.h>
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@ -2867,6 +2870,7 @@ void generate_prototype_implementation(IDL::Interface const& interface)
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#include <LibWeb/Bindings/ImageDataWrapper.h>
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#include <LibWeb/Bindings/ImageDataWrapper.h>
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#include <LibWeb/Bindings/LocationObject.h>
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#include <LibWeb/Bindings/LocationObject.h>
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#include <LibWeb/Bindings/MessagePortWrapper.h>
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#include <LibWeb/Bindings/MessagePortWrapper.h>
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#include <LibWeb/Bindings/NamedNodeMapWrapper.h>
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#include <LibWeb/Bindings/NodeListWrapper.h>
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#include <LibWeb/Bindings/NodeListWrapper.h>
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#include <LibWeb/Bindings/NodeWrapperFactory.h>
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#include <LibWeb/Bindings/NodeWrapperFactory.h>
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#include <LibWeb/Bindings/PerformanceTimingWrapper.h>
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#include <LibWeb/Bindings/PerformanceTimingWrapper.h>
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@ -73,6 +73,7 @@ set(SOURCES
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DOM/EventTarget.cpp
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DOM/EventTarget.cpp
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DOM/HTMLCollection.cpp
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DOM/HTMLCollection.cpp
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DOM/LiveNodeList.cpp
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DOM/LiveNodeList.cpp
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DOM/NamedNodeMap.cpp
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DOM/Node.cpp
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DOM/Node.cpp
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DOM/ParentNode.cpp
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DOM/ParentNode.cpp
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DOM/Position.cpp
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DOM/Position.cpp
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@ -383,6 +384,7 @@ libweb_js_wrapper(DOM/Element)
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libweb_js_wrapper(DOM/Event)
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libweb_js_wrapper(DOM/Event)
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libweb_js_wrapper(DOM/EventTarget)
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libweb_js_wrapper(DOM/EventTarget)
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libweb_js_wrapper(DOM/HTMLCollection)
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libweb_js_wrapper(DOM/HTMLCollection)
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libweb_js_wrapper(DOM/NamedNodeMap)
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libweb_js_wrapper(DOM/Node)
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libweb_js_wrapper(DOM/Node)
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libweb_js_wrapper(DOM/NodeList)
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libweb_js_wrapper(DOM/NodeList)
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libweb_js_wrapper(DOM/ProcessingInstruction)
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libweb_js_wrapper(DOM/ProcessingInstruction)
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199
Userland/Libraries/LibWeb/DOM/NamedNodeMap.cpp
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199
Userland/Libraries/LibWeb/DOM/NamedNodeMap.cpp
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@ -0,0 +1,199 @@
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/*
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* Copyright (c) 2021, Tim Flynn <trflynn89@pm.me>
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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/Attribute.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/NamedNodeMap.h>
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#include <LibWeb/Namespace.h>
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namespace Web::DOM {
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NonnullRefPtr<NamedNodeMap> NamedNodeMap::create(Element const& associated_element)
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{
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return adopt_ref(*new NamedNodeMap(associated_element));
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}
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NamedNodeMap::NamedNodeMap(Element const& associated_element)
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: m_associated_element(associated_element)
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{
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}
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// https://dom.spec.whatwg.org/#ref-for-dfn-supported-property-indices%E2%91%A3
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bool NamedNodeMap::is_supported_property_index(u32 index) const
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{
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return index < m_attributes.size();
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}
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// https://dom.spec.whatwg.org/#ref-for-dfn-supported-property-names%E2%91%A0
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Vector<String> NamedNodeMap::supported_property_names() const
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{
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// 1. Let names be the qualified names of the attributes in this NamedNodeMap object’s attribute list, with duplicates omitted, in order.
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Vector<String> names;
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names.ensure_capacity(m_attributes.size());
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for (auto const& attribute : m_attributes) {
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if (!names.contains_slow(attribute.name()))
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names.append(attribute.name());
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}
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// 2. If this NamedNodeMap object’s element is in the HTML namespace and its node document is an HTML document, then for each name in names:
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// FIXME: Handle the second condition, assume it is an HTML document for now.
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if (m_associated_element.namespace_uri() == Namespace::HTML) {
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// 1. Let lowercaseName be name, in ASCII lowercase.
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// 2. If lowercaseName is not equal to name, remove name from names.
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names.remove_all_matching([](auto const& name) { return name != name.to_lowercase(); });
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}
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// 3. Return names.
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return names;
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}
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// https://dom.spec.whatwg.org/#dom-namednodemap-item
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Attribute const* NamedNodeMap::item(u32 index) const
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{
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// 1. If index is equal to or greater than this’s attribute list’s size, then return null.
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if (index >= m_attributes.size())
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return nullptr;
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// 2. Otherwise, return this’s attribute list[index].
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return &m_attributes[index];
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}
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// https://dom.spec.whatwg.org/#dom-namednodemap-getnameditem
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Attribute const* NamedNodeMap::get_named_item(StringView qualified_name) const
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{
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return get_attribute(qualified_name);
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}
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// https://dom.spec.whatwg.org/#dom-namednodemap-setnameditem
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ExceptionOr<Attribute const*> NamedNodeMap::set_named_item(Attribute& attribute)
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{
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return set_attribute(attribute);
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}
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// https://dom.spec.whatwg.org/#dom-namednodemap-removenameditem
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ExceptionOr<Attribute const*> NamedNodeMap::remove_named_item(StringView qualified_name)
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{
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// 1. Let attr be the result of removing an attribute given qualifiedName and element.
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auto const* attribute = remove_attribute(qualified_name);
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// 2. If attr is null, then throw a "NotFoundError" DOMException.
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if (!attribute)
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return NotFoundError::create(String::formatted("Attribute with name '{}' not found", qualified_name));
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// 3. Return attr.
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return nullptr;
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}
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// https://dom.spec.whatwg.org/#concept-element-attributes-get-by-name
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Attribute* NamedNodeMap::get_attribute(StringView qualified_name, size_t* item_index)
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{
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return const_cast<Attribute*>(const_cast<NamedNodeMap const*>(this)->get_attribute(qualified_name, item_index));
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}
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// https://dom.spec.whatwg.org/#concept-element-attributes-get-by-name
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Attribute const* NamedNodeMap::get_attribute(StringView qualified_name, size_t* item_index) const
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{
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if (item_index)
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*item_index = 0;
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// 1. If element is in the HTML namespace and its node document is an HTML document, then set qualifiedName to qualifiedName in ASCII lowercase.
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// FIXME: Handle the second condition, assume it is an HTML document for now.
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Optional<String> qualified_name_lowercase;
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if (m_associated_element.namespace_uri() == Namespace::HTML) {
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qualified_name_lowercase = qualified_name.to_lowercase_string();
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qualified_name = qualified_name_lowercase->view();
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}
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// 2. Return the first attribute in element’s attribute list whose qualified name is qualifiedName; otherwise null.
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for (auto const& attribute : m_attributes) {
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if (attribute.name() == qualified_name)
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return &attribute;
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if (item_index)
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++(*item_index);
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}
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return nullptr;
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}
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// https://dom.spec.whatwg.org/#concept-element-attributes-set
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ExceptionOr<Attribute const*> NamedNodeMap::set_attribute(Attribute& attribute)
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{
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// 1. If attr’s element is neither null nor element, throw an "InUseAttributeError" DOMException.
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if ((attribute.owner_element() != nullptr) && (attribute.owner_element() != &m_associated_element))
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return InUseAttributeError::create("Attribute must not already be in use"sv);
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// 2. Let oldAttr be the result of getting an attribute given attr’s namespace, attr’s local name, and element.
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// FIXME: When getNamedItemNS is implemented, use that instead.
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size_t old_attribute_index = 0;
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auto* old_attribute = get_attribute(attribute.local_name(), &old_attribute_index);
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// 3. If oldAttr is attr, return attr.
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if (old_attribute == &attribute)
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return &attribute;
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// 4. If oldAttr is non-null, then replace oldAttr with attr.
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if (old_attribute) {
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replace_attribute(*old_attribute, attribute, old_attribute_index);
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}
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// 5. Otherwise, append attr to element.
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else {
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append_attribute(attribute);
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}
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// 6. Return oldAttr.
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return old_attribute;
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}
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// https://dom.spec.whatwg.org/#concept-element-attributes-replace
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void NamedNodeMap::replace_attribute(Attribute& old_attribute, Attribute& new_attribute, size_t old_attribute_index)
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{
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// 1. Handle attribute changes for oldAttr with oldAttr’s element, oldAttr’s value, and newAttr’s value.
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// FIXME: The steps to handle an attribute change deal with mutation records and custom element states.
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// Once those are supported, implement these steps: https://dom.spec.whatwg.org/#handle-attribute-changes
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// 2. Replace oldAttr by newAttr in oldAttr’s element’s attribute list.
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m_attributes.remove(old_attribute_index);
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m_attributes.insert(old_attribute_index, new_attribute);
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// 3. Set newAttr’s element to oldAttr’s element.
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new_attribute.set_owner_element(old_attribute.owner_element());
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// 4 .Set oldAttr’s element to null.
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old_attribute.set_owner_element(nullptr);
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}
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// https://dom.spec.whatwg.org/#concept-element-attributes-append
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void NamedNodeMap::append_attribute(Attribute& attribute)
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{
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// 1. Handle attribute changes for attribute with element, null, and attribute’s value.
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// FIXME: The steps to handle an attribute change deal with mutation records and custom element states.
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// Once those are supported, implement these steps: https://dom.spec.whatwg.org/#handle-attribute-changes
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// 2. Append attribute to element’s attribute list.
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m_attributes.append(attribute);
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// 3. Set attribute’s element to element.
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attribute.set_owner_element(&m_associated_element);
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}
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// https://dom.spec.whatwg.org/#concept-element-attributes-remove-by-name
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Attribute const* NamedNodeMap::remove_attribute(StringView qualified_name)
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{
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size_t item_index = 0;
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// 1. Let attr be the result of getting an attribute given qualifiedName and element.
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auto const* attribute = get_attribute(qualified_name, &item_index);
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// 2. If attr is non-null, then remove attr.
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if (attribute)
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m_attributes.remove(item_index);
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// 3. Return attr.
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return attribute;
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}
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}
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63
Userland/Libraries/LibWeb/DOM/NamedNodeMap.h
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63
Userland/Libraries/LibWeb/DOM/NamedNodeMap.h
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/*
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* Copyright (c) 2021, Tim Flynn <trflynn89@pm.me>
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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/NonnullRefPtrVector.h>
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#include <AK/RefCounted.h>
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#include <AK/String.h>
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#include <AK/StringView.h>
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#include <LibWeb/Bindings/Wrappable.h>
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#include <LibWeb/DOM/ExceptionOr.h>
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#include <LibWeb/Forward.h>
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namespace Web::DOM {
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// https://dom.spec.whatwg.org/#interface-namednodemap
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class NamedNodeMap final
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: public RefCounted<NamedNodeMap>
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, public Bindings::Wrappable {
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public:
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using WrapperType = Bindings::NamedNodeMapWrapper;
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static NonnullRefPtr<NamedNodeMap> create(Element const& associated_element);
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~NamedNodeMap() = default;
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bool is_supported_property_index(u32 index) const;
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Vector<String> supported_property_names() const;
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size_t length() const { return m_attributes.size(); }
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bool is_empty() const { return m_attributes.is_empty(); }
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// Methods defined by the spec for JavaScript:
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Attribute const* item(u32 index) const;
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Attribute const* get_named_item(StringView qualified_name) const;
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ExceptionOr<Attribute const*> set_named_item(Attribute& attribute);
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ExceptionOr<Attribute const*> remove_named_item(StringView qualified_name);
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// Methods defined by the spec for internal use:
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Attribute* get_attribute(StringView qualified_name, size_t* item_index = nullptr);
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Attribute const* get_attribute(StringView qualified_name, size_t* item_index = nullptr) const;
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ExceptionOr<Attribute const*> set_attribute(Attribute& attribute);
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void replace_attribute(Attribute& old_attribute, Attribute& new_attribute, size_t old_attribute_index);
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void append_attribute(Attribute& attribute);
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Attribute const* remove_attribute(StringView qualified_name);
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private:
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explicit NamedNodeMap(Element const& associated_element);
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Element const& m_associated_element;
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NonnullRefPtrVector<Attribute> m_attributes;
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};
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}
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namespace Web::Bindings {
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NamedNodeMapWrapper* wrap(JS::GlobalObject&, DOM::NamedNodeMap&);
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}
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14
Userland/Libraries/LibWeb/DOM/NamedNodeMap.idl
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14
Userland/Libraries/LibWeb/DOM/NamedNodeMap.idl
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[Exposed=Window, LegacyUnenumerableNamedProperties]
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interface NamedNodeMap {
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readonly attribute unsigned long length;
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getter Attribute? item(unsigned long index);
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getter Attribute? getNamedItem(DOMString qualifiedName);
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// Attribute? getNamedItemNS(DOMString? namespace, DOMString localName);
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[CEReactions] Attribute? setNamedItem(Attribute attr);
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// [CEReactions] Attribute? setNamedItemNS(Attribute attr);
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[CEReactions] Attribute removeNamedItem(DOMString qualifiedName);
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// [CEReactions] Attribute removeNamedItemNS(DOMString? namespace, DOMString localName);
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};
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@ -88,6 +88,7 @@ class EventListener;
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class EventTarget;
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class EventTarget;
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class HTMLCollection;
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class HTMLCollection;
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class LiveNodeList;
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class LiveNodeList;
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class NamedNodeMap;
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class Node;
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class Node;
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class NodeList;
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class NodeList;
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class ParentNode;
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class ParentNode;
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@ -400,6 +401,7 @@ class MessageChannelWrapper;
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class MessageEventWrapper;
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class MessageEventWrapper;
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class MessagePortWrapper;
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class MessagePortWrapper;
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class MouseEventWrapper;
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class MouseEventWrapper;
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class NamedNodeMapWrapper;
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class NodeListWrapper;
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class NodeListWrapper;
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class NodeWrapper;
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class NodeWrapper;
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class PageTransitionEventWrapper;
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class PageTransitionEventWrapper;
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