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/* -*- 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
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