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0c1d7143d1
hasFeature() always returning true matches the current DOM spec. SVG 2 has removed requiredFeatures. Chrome has had both of these always return true since 2014, and they seem to have had no problems. Even requiredFeatures="" (empty string) now returns true, matching Chrome. MozReview-Commit-ID: 1LEu3iK4R94
267 lines
9.1 KiB
C++
267 lines
9.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/DOMImplementation.h"
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#include "mozilla/ContentEvents.h"
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#include "mozilla/dom/DOMImplementationBinding.h"
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#include "nsContentCreatorFunctions.h"
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#include "nsContentUtils.h"
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#include "nsDOMClassInfoID.h"
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#include "nsIDOMDocument.h"
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#include "DocumentType.h"
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#include "nsTextNode.h"
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namespace mozilla {
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namespace dom {
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// QueryInterface implementation for DOMImplementation
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DOMImplementation)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsIDOMDOMImplementation)
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(DOMImplementation, mOwner)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(DOMImplementation)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(DOMImplementation)
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JSObject*
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DOMImplementation::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return DOMImplementationBinding::Wrap(aCx, this, aGivenProto);
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}
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NS_IMETHODIMP
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DOMImplementation::HasFeature(const nsAString& aFeature,
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const nsAString& aVersion,
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bool* aReturn)
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{
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*aReturn = true;
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return NS_OK;
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}
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already_AddRefed<DocumentType>
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DOMImplementation::CreateDocumentType(const nsAString& aQualifiedName,
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const nsAString& aPublicId,
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const nsAString& aSystemId,
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ErrorResult& aRv)
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{
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if (!mOwner) {
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aRv.Throw(NS_ERROR_UNEXPECTED);
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return nullptr;
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}
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aRv = nsContentUtils::CheckQName(aQualifiedName);
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if (aRv.Failed()) {
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return nullptr;
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}
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nsCOMPtr<nsIAtom> name = NS_Atomize(aQualifiedName);
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if (!name) {
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aRv.Throw(NS_ERROR_OUT_OF_MEMORY);
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return nullptr;
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}
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// Indicate that there is no internal subset (not just an empty one)
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RefPtr<DocumentType> docType =
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NS_NewDOMDocumentType(mOwner->NodeInfoManager(), name, aPublicId,
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aSystemId, NullString(), aRv);
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return docType.forget();
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}
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NS_IMETHODIMP
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DOMImplementation::CreateDocumentType(const nsAString& aQualifiedName,
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const nsAString& aPublicId,
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const nsAString& aSystemId,
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nsIDOMDocumentType** aReturn)
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{
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ErrorResult rv;
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*aReturn =
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CreateDocumentType(aQualifiedName, aPublicId, aSystemId, rv).take();
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return rv.StealNSResult();
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}
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nsresult
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DOMImplementation::CreateDocument(const nsAString& aNamespaceURI,
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const nsAString& aQualifiedName,
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nsIDOMDocumentType* aDoctype,
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nsIDocument** aDocument,
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nsIDOMDocument** aDOMDocument)
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{
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*aDocument = nullptr;
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*aDOMDocument = nullptr;
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nsresult rv;
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if (!aQualifiedName.IsEmpty()) {
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const nsAFlatString& qName = PromiseFlatString(aQualifiedName);
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const char16_t *colon;
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rv = nsContentUtils::CheckQName(qName, true, &colon);
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NS_ENSURE_SUCCESS(rv, rv);
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if (colon &&
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(DOMStringIsNull(aNamespaceURI) ||
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(Substring(qName.get(), colon).EqualsLiteral("xml") &&
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!aNamespaceURI.EqualsLiteral("http://www.w3.org/XML/1998/namespace")))) {
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return NS_ERROR_DOM_NAMESPACE_ERR;
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}
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}
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nsCOMPtr<nsIGlobalObject> scriptHandlingObject =
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do_QueryReferent(mScriptObject);
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NS_ENSURE_STATE(!mScriptObject || scriptHandlingObject);
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nsCOMPtr<nsIDOMDocument> document;
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rv = NS_NewDOMDocument(getter_AddRefs(document),
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aNamespaceURI, aQualifiedName, aDoctype,
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mDocumentURI, mBaseURI,
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mOwner->NodePrincipal(),
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true, scriptHandlingObject,
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DocumentFlavorLegacyGuess);
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NS_ENSURE_SUCCESS(rv, rv);
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// When DOMImplementation's createDocument method is invoked with
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// namespace set to HTML Namespace use the registry of the associated
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// document to the new instance.
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nsCOMPtr<nsIDocument> doc = do_QueryInterface(document);
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if (aNamespaceURI.EqualsLiteral("http://www.w3.org/1999/xhtml")) {
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doc->SetContentType(NS_LITERAL_STRING("application/xhtml+xml"));
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} else if (aNamespaceURI.EqualsLiteral("http://www.w3.org/2000/svg")) {
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doc->SetContentType(NS_LITERAL_STRING("image/svg+xml"));
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} else {
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doc->SetContentType(NS_LITERAL_STRING("application/xml"));
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}
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doc->SetReadyStateInternal(nsIDocument::READYSTATE_COMPLETE);
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doc.forget(aDocument);
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document.forget(aDOMDocument);
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return NS_OK;
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}
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already_AddRefed<nsIDocument>
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DOMImplementation::CreateDocument(const nsAString& aNamespaceURI,
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const nsAString& aQualifiedName,
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nsIDOMDocumentType* aDoctype,
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ErrorResult& aRv)
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{
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nsCOMPtr<nsIDocument> document;
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nsCOMPtr<nsIDOMDocument> domDocument;
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aRv = CreateDocument(aNamespaceURI, aQualifiedName, aDoctype,
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getter_AddRefs(document), getter_AddRefs(domDocument));
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return document.forget();
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}
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NS_IMETHODIMP
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DOMImplementation::CreateDocument(const nsAString& aNamespaceURI,
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const nsAString& aQualifiedName,
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nsIDOMDocumentType* aDoctype,
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nsIDOMDocument** aReturn)
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{
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nsCOMPtr<nsIDocument> document;
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return CreateDocument(aNamespaceURI, aQualifiedName, aDoctype,
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getter_AddRefs(document), aReturn);
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}
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nsresult
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DOMImplementation::CreateHTMLDocument(const nsAString& aTitle,
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nsIDocument** aDocument,
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nsIDOMDocument** aDOMDocument)
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{
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*aDocument = nullptr;
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*aDOMDocument = nullptr;
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NS_ENSURE_STATE(mOwner);
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nsCOMPtr<nsIDOMDocumentType> doctype;
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// Indicate that there is no internal subset (not just an empty one)
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nsresult rv = NS_NewDOMDocumentType(getter_AddRefs(doctype),
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mOwner->NodeInfoManager(),
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nsGkAtoms::html, // aName
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EmptyString(), // aPublicId
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EmptyString(), // aSystemId
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NullString()); // aInternalSubset
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIGlobalObject> scriptHandlingObject =
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do_QueryReferent(mScriptObject);
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NS_ENSURE_STATE(!mScriptObject || scriptHandlingObject);
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nsCOMPtr<nsIDOMDocument> document;
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rv = NS_NewDOMDocument(getter_AddRefs(document),
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EmptyString(), EmptyString(),
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doctype, mDocumentURI, mBaseURI,
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mOwner->NodePrincipal(),
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true, scriptHandlingObject,
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DocumentFlavorLegacyGuess);
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIDocument> doc = do_QueryInterface(document);
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nsCOMPtr<Element> root = doc->CreateElem(NS_LITERAL_STRING("html"), nullptr,
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kNameSpaceID_XHTML);
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rv = doc->AppendChildTo(root, false);
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<Element> head = doc->CreateElem(NS_LITERAL_STRING("head"), nullptr,
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kNameSpaceID_XHTML);
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rv = root->AppendChildTo(head, false);
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NS_ENSURE_SUCCESS(rv, rv);
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if (!DOMStringIsNull(aTitle)) {
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nsCOMPtr<Element> title = doc->CreateElem(NS_LITERAL_STRING("title"),
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nullptr, kNameSpaceID_XHTML);
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rv = head->AppendChildTo(title, false);
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NS_ENSURE_SUCCESS(rv, rv);
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RefPtr<nsTextNode> titleText = new nsTextNode(doc->NodeInfoManager());
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rv = titleText->SetText(aTitle, false);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = title->AppendChildTo(titleText, false);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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nsCOMPtr<Element> body = doc->CreateElem(NS_LITERAL_STRING("body"), nullptr,
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kNameSpaceID_XHTML);
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rv = root->AppendChildTo(body, false);
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NS_ENSURE_SUCCESS(rv, rv);
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doc->SetReadyStateInternal(nsIDocument::READYSTATE_COMPLETE);
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doc.forget(aDocument);
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document.forget(aDOMDocument);
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return NS_OK;
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}
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already_AddRefed<nsIDocument>
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DOMImplementation::CreateHTMLDocument(const Optional<nsAString>& aTitle,
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ErrorResult& aRv)
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{
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nsCOMPtr<nsIDocument> document;
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nsCOMPtr<nsIDOMDocument> domDocument;
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aRv = CreateHTMLDocument(aTitle.WasPassed() ? aTitle.Value()
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: NullString(),
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getter_AddRefs(document),
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getter_AddRefs(domDocument));
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return document.forget();
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}
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NS_IMETHODIMP
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DOMImplementation::CreateHTMLDocument(const nsAString& aTitle,
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nsIDOMDocument** aReturn)
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{
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nsCOMPtr<nsIDocument> document;
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return CreateHTMLDocument(aTitle, getter_AddRefs(document), aReturn);
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}
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} // namespace dom
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} // namespace mozilla
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