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LibWeb: Implement Node.isDefaultNamespace()
This method accepts a namespace URI as an argument and returns true if the given URI is the default namespace on the given node, false otherwise.
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parent
27d429a85f
commit
055c902a37
Notes:
sideshowbarker
2024-07-18 23:46:11 +09:00
Author: https://github.com/tcl3 Commit: https://github.com/LadybirdBrowser/ladybird/commit/055c902a375 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/693
12
Tests/LibWeb/Text/expected/DOM/Node-isDefaultNamespace.txt
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12
Tests/LibWeb/Text/expected/DOM/Node-isDefaultNamespace.txt
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@ -0,0 +1,12 @@
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documentFragment.isDefaultNamespace(null): true
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documentFragment.isDefaultNamespace(""): true
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documentFragment.isDefaultNamespace("foo"): false
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documentFragment.isDefaultNamespace("xmlms"): false
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docType.isDefaultNamespace(null): true
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docType.isDefaultNamespace(""): true
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docType.isDefaultNamespace("foo"): false
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docType.isDefaultNamespace("xmlms"): false
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element.isDefaultNamespace(null): true
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element.isDefaultNamespace(""): true
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element.isDefaultNamespace("foo"): false
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element.isDefaultNamespace("xmlms"): false
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31
Tests/LibWeb/Text/input/DOM/Node-isDefaultNamespace.html
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Tests/LibWeb/Text/input/DOM/Node-isDefaultNamespace.html
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<!DOCTYPE html>
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<script src="../include.js"></script>
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<script>
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function testIsDefaultNamespace(node, prefix, name) {
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let prefixName = prefix;
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if (prefixName !== null)
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prefixName = `"${prefix}"`;
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println(`${name}.isDefaultNamespace(${prefixName}): ${node.isDefaultNamespace(prefix)}`);
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}
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test(() => {
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const documentFragment = document.createDocumentFragment();
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testIsDefaultNamespace(documentFragment, null, "documentFragment");
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testIsDefaultNamespace(documentFragment, "", "documentFragment");
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testIsDefaultNamespace(documentFragment, "foo", "documentFragment");
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testIsDefaultNamespace(documentFragment, "xmlms", "documentFragment");
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const docType = document.doctype;
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testIsDefaultNamespace(docType, null, "docType");
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testIsDefaultNamespace(docType, "", "docType");
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testIsDefaultNamespace(docType, "foo", "docType");
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testIsDefaultNamespace(docType, "xmlms", "docType");
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const element = document.createElementNS("namespace", "prefix:element");
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testIsDefaultNamespace(element, null, "element");
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testIsDefaultNamespace(element, "", "element");
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testIsDefaultNamespace(element, "foo", "element");
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testIsDefaultNamespace(element, "xmlms", "element");
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});
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</script>
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@ -1733,6 +1733,20 @@ Optional<String> Node::lookup_namespace_uri(Optional<String> prefix) const
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return locate_a_namespace(prefix);
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}
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// https://dom.spec.whatwg.org/#dom-node-isdefaultnamespace
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bool Node::is_default_namespace(Optional<String> namespace_) const
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{
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// 1. If namespace is the empty string, then set it to null.
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if (namespace_.has_value() && namespace_->is_empty())
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namespace_ = {};
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// 2. Let defaultNamespace be the result of running locate a namespace for this using null.
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auto default_namespace = locate_a_namespace({});
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// 3. Return true if defaultNamespace is the same as namespace; otherwise false.
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return default_namespace == namespace_;
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}
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// https://dom.spec.whatwg.org/#in-a-document-tree
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bool Node::in_a_document_tree() const
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{
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@ -697,6 +697,7 @@ public:
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Optional<String> locate_a_namespace(Optional<String> const& prefix) const;
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Optional<String> lookup_namespace_uri(Optional<String> prefix) const;
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bool is_default_namespace(Optional<String> namespace_) const;
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protected:
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Node(JS::Realm&, Document&, NodeType);
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@ -56,7 +56,7 @@ interface Node : EventTarget {
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[FIXME] DOMString? lookupPrefix(DOMString? namespace);
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DOMString? lookupNamespaceURI(DOMString? prefix);
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[FIXME] boolean isDefaultNamespace(DOMString? namespace);
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boolean isDefaultNamespace(DOMString? namespace);
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[ImplementedAs=pre_insert, CEReactions] Node insertBefore(Node node, Node? child);
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[CEReactions] Node appendChild(Node node);
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