diff options
Diffstat (limited to 'dom/base/DOMImplementation.cpp')
| -rw-r--r-- | dom/base/DOMImplementation.cpp | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/dom/base/DOMImplementation.cpp b/dom/base/DOMImplementation.cpp new file mode 100644 index 0000000000..cc4d3d3da8 --- /dev/null +++ b/dom/base/DOMImplementation.cpp @@ -0,0 +1,213 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "mozilla/dom/DOMImplementation.h" + +#include "mozilla/ContentEvents.h" +#include "mozilla/dom/DOMImplementationBinding.h" +#include "nsContentCreatorFunctions.h" +#include "nsContentUtils.h" +#include "mozilla/dom/Document.h" +#include "mozilla/dom/DocumentType.h" +#include "nsTextNode.h" + +namespace mozilla::dom { + +// QueryInterface implementation for DOMImplementation +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(DOMImplementation) + NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY + NS_INTERFACE_MAP_ENTRY(nsISupports) +NS_INTERFACE_MAP_END + +NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(DOMImplementation, mOwner) + +NS_IMPL_CYCLE_COLLECTING_ADDREF(DOMImplementation) +NS_IMPL_CYCLE_COLLECTING_RELEASE(DOMImplementation) + +DOMImplementation::DOMImplementation(Document* aOwner, + nsIGlobalObject* aScriptObject, + nsIURI* aDocumentURI, nsIURI* aBaseURI) + : mOwner(aOwner), + mScriptObject(do_GetWeakReference(aScriptObject)), + mDocumentURI(aDocumentURI), + mBaseURI(aBaseURI) { + MOZ_ASSERT(aOwner); +} + +DOMImplementation::~DOMImplementation() = default; + +JSObject* DOMImplementation::WrapObject(JSContext* aCx, + JS::Handle<JSObject*> aGivenProto) { + return DOMImplementation_Binding::Wrap(aCx, this, aGivenProto); +} + +already_AddRefed<DocumentType> DOMImplementation::CreateDocumentType( + const nsAString& aQualifiedName, const nsAString& aPublicId, + const nsAString& aSystemId, ErrorResult& aRv) { + if (!mOwner) { + aRv.Throw(NS_ERROR_UNEXPECTED); + return nullptr; + } + + aRv = nsContentUtils::CheckQName(aQualifiedName); + if (aRv.Failed()) { + return nullptr; + } + + RefPtr<nsAtom> name = NS_Atomize(aQualifiedName); + if (!name) { + aRv.Throw(NS_ERROR_OUT_OF_MEMORY); + return nullptr; + } + + // Indicate that there is no internal subset (not just an empty one) + RefPtr<DocumentType> docType = NS_NewDOMDocumentType( + mOwner->NodeInfoManager(), name, aPublicId, aSystemId, VoidString()); + return docType.forget(); +} + +nsresult DOMImplementation::CreateDocument(const nsAString& aNamespaceURI, + const nsAString& aQualifiedName, + DocumentType* aDoctype, + Document** aDocument) { + *aDocument = nullptr; + + nsresult rv; + if (!aQualifiedName.IsEmpty()) { + const nsString& qName = PromiseFlatString(aQualifiedName); + const char16_t* colon; + rv = nsContentUtils::CheckQName(qName, true, &colon); + NS_ENSURE_SUCCESS(rv, rv); + + if (colon && (DOMStringIsNull(aNamespaceURI) || + (Substring(qName.get(), colon).EqualsLiteral("xml") && + !aNamespaceURI.EqualsLiteral( + "http://www.w3.org/XML/1998/namespace")))) { + return NS_ERROR_DOM_NAMESPACE_ERR; + } + } + + nsCOMPtr<nsIGlobalObject> scriptHandlingObject = + do_QueryReferent(mScriptObject); + + NS_ENSURE_STATE(!mScriptObject || scriptHandlingObject); + + nsCOMPtr<Document> doc; + + rv = NS_NewDOMDocument(getter_AddRefs(doc), aNamespaceURI, aQualifiedName, + aDoctype, mDocumentURI, mBaseURI, + mOwner->NodePrincipal(), true, scriptHandlingObject, + DocumentFlavorXML); + NS_ENSURE_SUCCESS(rv, rv); + + // When DOMImplementation's createDocument method is invoked with + // namespace set to HTML Namespace use the registry of the associated + // document to the new instance. + + if (aNamespaceURI.EqualsLiteral("http://www.w3.org/1999/xhtml")) { + doc->SetContentType("application/xhtml+xml"_ns); + } else if (aNamespaceURI.EqualsLiteral("http://www.w3.org/2000/svg")) { + doc->SetContentType("image/svg+xml"_ns); + } else { + doc->SetContentType("application/xml"_ns); + } + + doc->SetReadyStateInternal(Document::READYSTATE_COMPLETE); + + doc.forget(aDocument); + return NS_OK; +} + +already_AddRefed<Document> DOMImplementation::CreateDocument( + const nsAString& aNamespaceURI, const nsAString& aQualifiedName, + DocumentType* aDoctype, ErrorResult& aRv) { + nsCOMPtr<Document> document; + aRv = CreateDocument(aNamespaceURI, aQualifiedName, aDoctype, + getter_AddRefs(document)); + return document.forget(); +} + +nsresult DOMImplementation::CreateHTMLDocument(const nsAString& aTitle, + Document** aDocument) { + *aDocument = nullptr; + + NS_ENSURE_STATE(mOwner); + + // Indicate that there is no internal subset (not just an empty one) + RefPtr<DocumentType> doctype = + NS_NewDOMDocumentType(mOwner->NodeInfoManager(), + nsGkAtoms::html, // aName + u""_ns, // aPublicId + u""_ns, // aSystemId + VoidString()); // aInternalSubset + + nsCOMPtr<nsIGlobalObject> scriptHandlingObject = + do_QueryReferent(mScriptObject); + + NS_ENSURE_STATE(!mScriptObject || scriptHandlingObject); + + nsCOMPtr<Document> doc; + nsresult rv = + NS_NewDOMDocument(getter_AddRefs(doc), u""_ns, u""_ns, doctype, + mDocumentURI, mBaseURI, mOwner->NodePrincipal(), true, + scriptHandlingObject, DocumentFlavorLegacyGuess); + NS_ENSURE_SUCCESS(rv, rv); + + ErrorResult error; + nsCOMPtr<Element> root = + doc->CreateElem(u"html"_ns, nullptr, kNameSpaceID_XHTML); + doc->AppendChildTo(root, false, error); + if (error.Failed()) { + return error.StealNSResult(); + } + + nsCOMPtr<Element> head = + doc->CreateElem(u"head"_ns, nullptr, kNameSpaceID_XHTML); + root->AppendChildTo(head, false, error); + if (error.Failed()) { + return error.StealNSResult(); + } + + if (!DOMStringIsNull(aTitle)) { + nsCOMPtr<Element> title = + doc->CreateElem(u"title"_ns, nullptr, kNameSpaceID_XHTML); + head->AppendChildTo(title, false, error); + if (error.Failed()) { + return error.StealNSResult(); + } + + RefPtr<nsTextNode> titleText = + new (doc->NodeInfoManager()) nsTextNode(doc->NodeInfoManager()); + rv = titleText->SetText(aTitle, false); + NS_ENSURE_SUCCESS(rv, rv); + title->AppendChildTo(titleText, false, error); + if (error.Failed()) { + return error.StealNSResult(); + } + } + + nsCOMPtr<Element> body = + doc->CreateElem(u"body"_ns, nullptr, kNameSpaceID_XHTML); + root->AppendChildTo(body, false, error); + if (error.Failed()) { + return error.StealNSResult(); + } + + doc->SetReadyStateInternal(Document::READYSTATE_COMPLETE); + + doc.forget(aDocument); + return NS_OK; +} + +already_AddRefed<Document> DOMImplementation::CreateHTMLDocument( + const Optional<nsAString>& aTitle, ErrorResult& aRv) { + nsCOMPtr<Document> document; + aRv = CreateHTMLDocument(aTitle.WasPassed() ? aTitle.Value() : VoidString(), + getter_AddRefs(document)); + return document.forget(); +} + +} // namespace mozilla::dom |