forked from mirrors/gecko-dev
c69cbb70a3
Backed out changeset 554a46ed8046 (bug 1712140) Backed out changeset 14ebbfca2e84 (bug 1712140) Backed out changeset 98dd5766dd46 (bug 1712140) Backed out changeset 4241a7241a9b (bug 1712140) Backed out changeset 59ee434d503e (bug 1712140) Backed out changeset ff3bb42f91d1 (bug 1712140)
1167 lines
40 KiB
C++
1167 lines
40 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 sw=2 et tw=78: */
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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 "nsHtml5TreeOperation.h"
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#include "mozAutoDocUpdate.h"
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#include "mozilla/CycleCollectedJSContext.h"
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#include "mozilla/Likely.h"
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#include "mozilla/dom/Comment.h"
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#include "mozilla/dom/CustomElementRegistry.h"
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#include "mozilla/dom/DocGroup.h"
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#include "mozilla/dom/DocumentType.h"
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#include "mozilla/dom/Element.h"
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#include "mozilla/dom/LinkStyle.h"
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#include "mozilla/dom/HTMLFormElement.h"
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#include "mozilla/dom/HTMLImageElement.h"
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#include "mozilla/dom/HTMLTemplateElement.h"
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#include "mozilla/dom/MutationObservers.h"
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#include "mozilla/dom/Text.h"
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#include "nsAttrName.h"
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#include "nsContentCreatorFunctions.h"
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#include "nsContentUtils.h"
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#include "nsDocElementCreatedNotificationRunner.h"
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#include "nsEscape.h"
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#include "nsHtml5AutoPauseUpdate.h"
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#include "nsHtml5DocumentMode.h"
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#include "nsHtml5HtmlAttributes.h"
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#include "nsHtml5SVGLoadDispatcher.h"
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#include "nsHtml5TreeBuilder.h"
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#include "nsIDTD.h"
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#include "nsIFormControl.h"
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#include "nsIMutationObserver.h"
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#include "nsINode.h"
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#include "nsIProtocolHandler.h"
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#include "nsIScriptElement.h"
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#include "nsISupportsImpl.h"
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#include "nsIURI.h"
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#include "nsNetUtil.h"
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#include "nsTextNode.h"
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#include "js/ColumnNumber.h" // JS::ColumnNumberOneOrigin
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using namespace mozilla;
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using namespace mozilla::dom;
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/**
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* Helper class that opens a notification batch if the current doc
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* is different from the executor doc.
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*/
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class MOZ_STACK_CLASS nsHtml5OtherDocUpdate {
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public:
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nsHtml5OtherDocUpdate(Document* aCurrentDoc, Document* aExecutorDoc) {
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MOZ_ASSERT(aCurrentDoc, "Node has no doc?");
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MOZ_ASSERT(aExecutorDoc, "Executor has no doc?");
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if (MOZ_LIKELY(aCurrentDoc == aExecutorDoc)) {
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mDocument = nullptr;
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} else {
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mDocument = aCurrentDoc;
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aCurrentDoc->BeginUpdate();
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}
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}
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~nsHtml5OtherDocUpdate() {
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if (MOZ_UNLIKELY(mDocument)) {
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mDocument->EndUpdate();
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}
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}
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private:
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RefPtr<Document> mDocument;
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};
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nsHtml5TreeOperation::nsHtml5TreeOperation() : mOperation(uninitialized()) {
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MOZ_COUNT_CTOR(nsHtml5TreeOperation);
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}
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nsHtml5TreeOperation::~nsHtml5TreeOperation() {
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MOZ_COUNT_DTOR(nsHtml5TreeOperation);
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struct TreeOperationMatcher {
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void operator()(const opAppend& aOperation) {}
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void operator()(const opDetach& aOperation) {}
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void operator()(const opAppendChildrenToNewParent& aOperation) {}
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void operator()(const opFosterParent& aOperation) {}
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void operator()(const opAppendToDocument& aOperation) {}
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void operator()(const opAddAttributes& aOperation) {
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delete aOperation.mAttributes;
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}
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void operator()(const nsHtml5DocumentMode& aMode) {}
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void operator()(const opCreateHTMLElement& aOperation) {
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aOperation.mName->Release();
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delete aOperation.mAttributes;
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}
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void operator()(const opCreateSVGElement& aOperation) {
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aOperation.mName->Release();
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delete aOperation.mAttributes;
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}
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void operator()(const opCreateMathMLElement& aOperation) {
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aOperation.mName->Release();
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delete aOperation.mAttributes;
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}
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void operator()(const opSetFormElement& aOperation) {}
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void operator()(const opAppendText& aOperation) {
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delete[] aOperation.mBuffer;
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}
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void operator()(const opFosterParentText& aOperation) {
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delete[] aOperation.mBuffer;
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}
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void operator()(const opAppendComment& aOperation) {
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delete[] aOperation.mBuffer;
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}
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void operator()(const opAppendCommentToDocument& aOperation) {
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delete[] aOperation.mBuffer;
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}
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void operator()(const opAppendDoctypeToDocument& aOperation) {
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aOperation.mName->Release();
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delete aOperation.mStringPair;
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}
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void operator()(const opGetDocumentFragmentForTemplate& aOperation) {}
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void operator()(const opGetFosterParent& aOperation) {}
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void operator()(const opMarkAsBroken& aOperation) {}
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void operator()(const opRunScriptThatMayDocumentWriteOrBlock& aOperation) {}
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void operator()(
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const opRunScriptThatCannotDocumentWriteOrBlock& aOperation) {}
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void operator()(const opPreventScriptExecution& aOperation) {}
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void operator()(const opDoneAddingChildren& aOperation) {}
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void operator()(const opDoneCreatingElement& aOperation) {}
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void operator()(const opUpdateCharsetSource& aOperation) {}
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void operator()(const opCharsetSwitchTo& aOperation) {}
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void operator()(const opUpdateStyleSheet& aOperation) {}
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void operator()(const opProcessOfflineManifest& aOperation) {
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free(aOperation.mUrl);
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}
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void operator()(const opMarkMalformedIfScript& aOperation) {}
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void operator()(const opStreamEnded& aOperation) {}
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void operator()(const opSetStyleLineNumber& aOperation) {}
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void operator()(const opSetScriptLineAndColumnNumberAndFreeze& aOperation) {
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}
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void operator()(const opSvgLoad& aOperation) {}
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void operator()(const opMaybeComplainAboutCharset& aOperation) {}
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void operator()(const opMaybeComplainAboutDeepTree& aOperation) {}
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void operator()(const opAddClass& aOperation) {}
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void operator()(const opAddViewSourceHref& aOperation) {
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delete[] aOperation.mBuffer;
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}
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void operator()(const opAddViewSourceBase& aOperation) {
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delete[] aOperation.mBuffer;
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}
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void operator()(const opAddErrorType& aOperation) {
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if (aOperation.mName) {
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aOperation.mName->Release();
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}
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if (aOperation.mOther) {
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aOperation.mOther->Release();
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}
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}
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void operator()(const opAddLineNumberId& aOperation) {}
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void operator()(const opStartLayout& aOperation) {}
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void operator()(const opEnableEncodingMenu& aOperation) {}
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void operator()(const uninitialized& aOperation) {
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NS_WARNING("Uninitialized tree op.");
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}
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};
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mOperation.match(TreeOperationMatcher());
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}
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nsresult nsHtml5TreeOperation::AppendTextToTextNode(
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const char16_t* aBuffer, uint32_t aLength, Text* aTextNode,
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nsHtml5DocumentBuilder* aBuilder) {
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MOZ_ASSERT(aTextNode, "Got null text node.");
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MOZ_ASSERT(aBuilder);
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MOZ_ASSERT(aBuilder->IsInDocUpdate());
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uint32_t oldLength = aTextNode->TextLength();
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CharacterDataChangeInfo info = {true, oldLength, oldLength, aLength};
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MutationObservers::NotifyCharacterDataWillChange(aTextNode, info);
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nsresult rv = aTextNode->AppendText(aBuffer, aLength, false);
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NS_ENSURE_SUCCESS(rv, rv);
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MutationObservers::NotifyCharacterDataChanged(aTextNode, info);
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return rv;
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}
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nsresult nsHtml5TreeOperation::AppendText(const char16_t* aBuffer,
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uint32_t aLength, nsIContent* aParent,
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nsHtml5DocumentBuilder* aBuilder) {
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nsresult rv = NS_OK;
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nsIContent* lastChild = aParent->GetLastChild();
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if (lastChild && lastChild->IsText()) {
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nsHtml5OtherDocUpdate update(aParent->OwnerDoc(), aBuilder->GetDocument());
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return AppendTextToTextNode(aBuffer, aLength, lastChild->GetAsText(),
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aBuilder);
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}
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nsNodeInfoManager* nodeInfoManager = aParent->OwnerDoc()->NodeInfoManager();
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RefPtr<nsTextNode> text = new (nodeInfoManager) nsTextNode(nodeInfoManager);
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NS_ASSERTION(text, "Infallible malloc failed?");
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rv = text->SetText(aBuffer, aLength, false);
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NS_ENSURE_SUCCESS(rv, rv);
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return Append(text, aParent, aBuilder);
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}
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nsresult nsHtml5TreeOperation::Append(nsIContent* aNode, nsIContent* aParent,
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nsHtml5DocumentBuilder* aBuilder) {
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MOZ_ASSERT(aBuilder);
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MOZ_ASSERT(aBuilder->IsInDocUpdate());
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ErrorResult rv;
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nsHtml5OtherDocUpdate update(aParent->OwnerDoc(), aBuilder->GetDocument());
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aParent->AppendChildTo(aNode, false, rv);
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if (!rv.Failed()) {
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aNode->SetParserHasNotified();
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MutationObservers::NotifyContentAppended(aParent, aNode);
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}
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return rv.StealNSResult();
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}
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nsresult nsHtml5TreeOperation::Append(nsIContent* aNode, nsIContent* aParent,
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FromParser aFromParser,
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nsHtml5DocumentBuilder* aBuilder) {
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Maybe<nsHtml5AutoPauseUpdate> autoPause;
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Maybe<AutoCEReaction> autoCEReaction;
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DocGroup* docGroup = aParent->OwnerDoc()->GetDocGroup();
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if (docGroup && aFromParser != FROM_PARSER_FRAGMENT) {
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autoCEReaction.emplace(docGroup->CustomElementReactionsStack(), nullptr);
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}
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nsresult rv = Append(aNode, aParent, aBuilder);
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// Pause the parser only when there are reactions to be invoked to avoid
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// pausing parsing too aggressive.
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if (autoCEReaction.isSome() && docGroup &&
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docGroup->CustomElementReactionsStack()
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->IsElementQueuePushedForCurrentRecursionDepth()) {
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autoPause.emplace(aBuilder);
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}
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return rv;
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}
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nsresult nsHtml5TreeOperation::AppendToDocument(
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nsIContent* aNode, nsHtml5DocumentBuilder* aBuilder) {
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MOZ_ASSERT(aBuilder);
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MOZ_ASSERT(aBuilder->GetDocument() == aNode->OwnerDoc());
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MOZ_ASSERT(aBuilder->IsInDocUpdate());
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ErrorResult rv;
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Document* doc = aBuilder->GetDocument();
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doc->AppendChildTo(aNode, false, rv);
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if (rv.ErrorCodeIs(NS_ERROR_DOM_HIERARCHY_REQUEST_ERR)) {
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aNode->SetParserHasNotified();
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return NS_OK;
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}
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if (rv.Failed()) {
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return rv.StealNSResult();
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}
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aNode->SetParserHasNotified();
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MutationObservers::NotifyContentInserted(doc, aNode);
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NS_ASSERTION(!nsContentUtils::IsSafeToRunScript(),
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"Someone forgot to block scripts");
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if (aNode->IsElement()) {
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nsContentUtils::AddScriptRunner(
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new nsDocElementCreatedNotificationRunner(doc));
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}
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return NS_OK;
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}
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static bool IsElementOrTemplateContent(nsINode* aNode) {
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if (aNode) {
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if (aNode->IsElement()) {
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return true;
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}
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if (aNode->IsDocumentFragment()) {
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// Check if the node is a template content.
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nsIContent* fragHost = aNode->AsDocumentFragment()->GetHost();
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if (fragHost && fragHost->IsTemplateElement()) {
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return true;
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}
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}
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}
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return false;
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}
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void nsHtml5TreeOperation::Detach(nsIContent* aNode,
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nsHtml5DocumentBuilder* aBuilder) {
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MOZ_ASSERT(aBuilder);
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MOZ_ASSERT(aBuilder->IsInDocUpdate());
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nsCOMPtr<nsINode> parent = aNode->GetParentNode();
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if (parent) {
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nsHtml5OtherDocUpdate update(parent->OwnerDoc(), aBuilder->GetDocument());
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parent->RemoveChildNode(aNode, true);
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}
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}
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nsresult nsHtml5TreeOperation::AppendChildrenToNewParent(
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nsIContent* aNode, nsIContent* aParent, nsHtml5DocumentBuilder* aBuilder) {
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MOZ_ASSERT(aBuilder);
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MOZ_ASSERT(aBuilder->IsInDocUpdate());
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nsHtml5OtherDocUpdate update(aParent->OwnerDoc(), aBuilder->GetDocument());
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bool didAppend = false;
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while (aNode->HasChildren()) {
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nsCOMPtr<nsIContent> child = aNode->GetFirstChild();
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aNode->RemoveChildNode(child, true);
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ErrorResult rv;
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aParent->AppendChildTo(child, false, rv);
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if (rv.Failed()) {
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return rv.StealNSResult();
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}
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didAppend = true;
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}
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if (didAppend) {
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MutationObservers::NotifyContentAppended(aParent, aParent->GetLastChild());
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}
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return NS_OK;
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}
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nsresult nsHtml5TreeOperation::FosterParent(nsIContent* aNode,
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nsIContent* aParent,
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nsIContent* aTable,
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nsHtml5DocumentBuilder* aBuilder) {
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MOZ_ASSERT(aBuilder);
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MOZ_ASSERT(aBuilder->IsInDocUpdate());
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nsIContent* foster = aTable->GetParent();
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if (IsElementOrTemplateContent(foster)) {
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nsHtml5OtherDocUpdate update(foster->OwnerDoc(), aBuilder->GetDocument());
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ErrorResult rv;
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foster->InsertChildBefore(aNode, aTable, false, rv);
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if (rv.Failed()) {
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return rv.StealNSResult();
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}
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MutationObservers::NotifyContentInserted(foster, aNode);
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return NS_OK;
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}
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return Append(aNode, aParent, aBuilder);
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}
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nsresult nsHtml5TreeOperation::AddAttributes(nsIContent* aNode,
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nsHtml5HtmlAttributes* aAttributes,
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nsHtml5DocumentBuilder* aBuilder) {
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Element* node = aNode->AsElement();
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nsHtml5OtherDocUpdate update(node->OwnerDoc(), aBuilder->GetDocument());
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int32_t len = aAttributes->getLength();
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for (int32_t i = len; i > 0;) {
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--i;
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nsAtom* localName = aAttributes->getLocalNameNoBoundsCheck(i);
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int32_t nsuri = aAttributes->getURINoBoundsCheck(i);
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if (!node->HasAttr(nsuri, localName)) {
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nsString value; // Not Auto, because using it to hold nsStringBuffer*
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aAttributes->getValueNoBoundsCheck(i).ToString(value);
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node->SetAttr(nsuri, localName, aAttributes->getPrefixNoBoundsCheck(i),
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value, true);
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// XXX what to do with nsresult?
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}
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}
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return NS_OK;
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}
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void nsHtml5TreeOperation::SetHTMLElementAttributes(
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Element* aElement, nsAtom* aName, nsHtml5HtmlAttributes* aAttributes) {
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int32_t len = aAttributes->getLength();
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aElement->TryReserveAttributeCount((uint32_t)len);
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for (int32_t i = 0; i < len; i++) {
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nsHtml5String val = aAttributes->getValueNoBoundsCheck(i);
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nsAtom* klass = val.MaybeAsAtom();
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if (klass) {
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aElement->SetClassAttrFromParser(klass);
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} else {
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nsAtom* localName = aAttributes->getLocalNameNoBoundsCheck(i);
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nsAtom* prefix = aAttributes->getPrefixNoBoundsCheck(i);
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int32_t nsuri = aAttributes->getURINoBoundsCheck(i);
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nsString value; // Not Auto, because using it to hold nsStringBuffer*
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val.ToString(value);
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aElement->SetAttr(nsuri, localName, prefix, value, false);
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}
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}
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}
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nsIContent* nsHtml5TreeOperation::CreateHTMLElement(
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nsAtom* aName, nsHtml5HtmlAttributes* aAttributes, FromParser aFromParser,
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nsNodeInfoManager* aNodeInfoManager, nsHtml5DocumentBuilder* aBuilder,
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HTMLContentCreatorFunction aCreator) {
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RefPtr<NodeInfo> nodeInfo = aNodeInfoManager->GetNodeInfo(
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aName, nullptr, kNameSpaceID_XHTML, nsINode::ELEMENT_NODE);
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NS_ASSERTION(nodeInfo, "Got null nodeinfo.");
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Document* document = nodeInfo->GetDocument();
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RefPtr<nsAtom> isAtom;
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if (aAttributes) {
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nsHtml5String is = aAttributes->getValue(nsHtml5AttributeName::ATTR_IS);
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if (is) {
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nsAutoString isValue;
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is.ToString(isValue);
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isAtom = NS_Atomize(isValue);
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}
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}
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const bool isCustomElement = aCreator == NS_NewCustomElement || isAtom;
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CustomElementDefinition* customElementDefinition = nullptr;
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if (isCustomElement && aFromParser != FROM_PARSER_FRAGMENT) {
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RefPtr<nsAtom> tagAtom = nodeInfo->NameAtom();
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RefPtr<nsAtom> typeAtom =
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aCreator == NS_NewCustomElement ? tagAtom : isAtom;
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MOZ_ASSERT(nodeInfo->NameAtom()->Equals(nodeInfo->LocalName()));
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customElementDefinition = nsContentUtils::LookupCustomElementDefinition(
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document, nodeInfo->NameAtom(), nodeInfo->NamespaceID(), typeAtom);
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}
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auto DoCreateElement = [&](HTMLContentCreatorFunction aCreator) -> Element* {
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nsCOMPtr<Element> newElement;
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if (aCreator) {
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newElement = aCreator(nodeInfo.forget(), aFromParser);
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} else {
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NS_NewHTMLElement(getter_AddRefs(newElement), nodeInfo.forget(),
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aFromParser, isAtom, customElementDefinition);
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}
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MOZ_ASSERT(newElement, "Element creation created null pointer.");
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Element* element = newElement.get();
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aBuilder->HoldElement(newElement.forget());
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if (auto* linkStyle = LinkStyle::FromNode(*element)) {
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linkStyle->DisableUpdates();
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}
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if (!aAttributes) {
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return element;
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}
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SetHTMLElementAttributes(element, aName, aAttributes);
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return element;
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};
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if (customElementDefinition) {
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// This will cause custom element constructors to run.
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AutoSetThrowOnDynamicMarkupInsertionCounter
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throwOnDynamicMarkupInsertionCounter(document);
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nsHtml5AutoPauseUpdate autoPauseContentUpdate(aBuilder);
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{ nsAutoMicroTask mt; }
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AutoCEReaction autoCEReaction(
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document->GetDocGroup()->CustomElementReactionsStack(), nullptr);
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return DoCreateElement(nullptr);
|
|
}
|
|
return DoCreateElement(isCustomElement ? nullptr : aCreator);
|
|
}
|
|
|
|
nsIContent* nsHtml5TreeOperation::CreateSVGElement(
|
|
nsAtom* aName, nsHtml5HtmlAttributes* aAttributes, FromParser aFromParser,
|
|
nsNodeInfoManager* aNodeInfoManager, nsHtml5DocumentBuilder* aBuilder,
|
|
SVGContentCreatorFunction aCreator) {
|
|
nsCOMPtr<nsIContent> newElement;
|
|
if (MOZ_LIKELY(aNodeInfoManager->SVGEnabled())) {
|
|
RefPtr<NodeInfo> nodeInfo = aNodeInfoManager->GetNodeInfo(
|
|
aName, nullptr, kNameSpaceID_SVG, nsINode::ELEMENT_NODE);
|
|
MOZ_ASSERT(nodeInfo, "Got null nodeinfo.");
|
|
|
|
DebugOnly<nsresult> rv =
|
|
aCreator(getter_AddRefs(newElement), nodeInfo.forget(), aFromParser);
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv) && newElement);
|
|
} else {
|
|
RefPtr<NodeInfo> nodeInfo = aNodeInfoManager->GetNodeInfo(
|
|
aName, nullptr, kNameSpaceID_disabled_SVG, nsINode::ELEMENT_NODE);
|
|
MOZ_ASSERT(nodeInfo, "Got null nodeinfo.");
|
|
|
|
// The mismatch between NS_NewXMLElement and SVGContentCreatorFunction
|
|
// argument types is annoying.
|
|
nsCOMPtr<Element> xmlElement;
|
|
DebugOnly<nsresult> rv =
|
|
NS_NewXMLElement(getter_AddRefs(xmlElement), nodeInfo.forget());
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv) && xmlElement);
|
|
newElement = xmlElement;
|
|
}
|
|
|
|
Element* newContent = newElement->AsElement();
|
|
aBuilder->HoldElement(newElement.forget());
|
|
|
|
if (MOZ_UNLIKELY(aName == nsGkAtoms::style)) {
|
|
if (auto* linkStyle = LinkStyle::FromNode(*newContent)) {
|
|
linkStyle->DisableUpdates();
|
|
}
|
|
}
|
|
|
|
if (!aAttributes) {
|
|
return newContent;
|
|
}
|
|
|
|
int32_t len = aAttributes->getLength();
|
|
for (int32_t i = 0; i < len; i++) {
|
|
nsHtml5String val = aAttributes->getValueNoBoundsCheck(i);
|
|
nsAtom* klass = val.MaybeAsAtom();
|
|
if (klass) {
|
|
newContent->SetClassAttrFromParser(klass);
|
|
} else {
|
|
nsAtom* localName = aAttributes->getLocalNameNoBoundsCheck(i);
|
|
nsAtom* prefix = aAttributes->getPrefixNoBoundsCheck(i);
|
|
int32_t nsuri = aAttributes->getURINoBoundsCheck(i);
|
|
|
|
nsString value; // Not Auto, because using it to hold nsStringBuffer*
|
|
val.ToString(value);
|
|
newContent->SetAttr(nsuri, localName, prefix, value, false);
|
|
}
|
|
}
|
|
return newContent;
|
|
}
|
|
|
|
nsIContent* nsHtml5TreeOperation::CreateMathMLElement(
|
|
nsAtom* aName, nsHtml5HtmlAttributes* aAttributes,
|
|
nsNodeInfoManager* aNodeInfoManager, nsHtml5DocumentBuilder* aBuilder) {
|
|
nsCOMPtr<Element> newElement;
|
|
if (MOZ_LIKELY(aNodeInfoManager->MathMLEnabled())) {
|
|
RefPtr<NodeInfo> nodeInfo = aNodeInfoManager->GetNodeInfo(
|
|
aName, nullptr, kNameSpaceID_MathML, nsINode::ELEMENT_NODE);
|
|
NS_ASSERTION(nodeInfo, "Got null nodeinfo.");
|
|
|
|
DebugOnly<nsresult> rv =
|
|
NS_NewMathMLElement(getter_AddRefs(newElement), nodeInfo.forget());
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv) && newElement);
|
|
} else {
|
|
RefPtr<NodeInfo> nodeInfo = aNodeInfoManager->GetNodeInfo(
|
|
aName, nullptr, kNameSpaceID_disabled_MathML, nsINode::ELEMENT_NODE);
|
|
NS_ASSERTION(nodeInfo, "Got null nodeinfo.");
|
|
|
|
DebugOnly<nsresult> rv =
|
|
NS_NewXMLElement(getter_AddRefs(newElement), nodeInfo.forget());
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv) && newElement);
|
|
}
|
|
|
|
Element* newContent = newElement;
|
|
aBuilder->HoldElement(newElement.forget());
|
|
|
|
if (!aAttributes) {
|
|
return newContent;
|
|
}
|
|
|
|
int32_t len = aAttributes->getLength();
|
|
for (int32_t i = 0; i < len; i++) {
|
|
nsHtml5String val = aAttributes->getValueNoBoundsCheck(i);
|
|
nsAtom* klass = val.MaybeAsAtom();
|
|
if (klass) {
|
|
newContent->SetClassAttrFromParser(klass);
|
|
} else {
|
|
nsAtom* localName = aAttributes->getLocalNameNoBoundsCheck(i);
|
|
nsAtom* prefix = aAttributes->getPrefixNoBoundsCheck(i);
|
|
int32_t nsuri = aAttributes->getURINoBoundsCheck(i);
|
|
|
|
nsString value; // Not Auto, because using it to hold nsStringBuffer*
|
|
val.ToString(value);
|
|
newContent->SetAttr(nsuri, localName, prefix, value, false);
|
|
}
|
|
}
|
|
return newContent;
|
|
}
|
|
|
|
void nsHtml5TreeOperation::SetFormElement(nsIContent* aNode,
|
|
nsIContent* aParent) {
|
|
RefPtr formElement = HTMLFormElement::FromNodeOrNull(aParent);
|
|
NS_ASSERTION(formElement,
|
|
"The form element doesn't implement HTMLFormElement.");
|
|
nsCOMPtr<nsIFormControl> formControl(do_QueryInterface(aNode));
|
|
if (formControl &&
|
|
formControl->ControlType() !=
|
|
FormControlType::FormAssociatedCustomElement &&
|
|
!aNode->AsElement()->HasAttr(nsGkAtoms::form)) {
|
|
formControl->SetForm(formElement);
|
|
} else if (auto* image = HTMLImageElement::FromNodeOrNull(aNode)) {
|
|
image->SetForm(formElement);
|
|
}
|
|
}
|
|
|
|
nsresult nsHtml5TreeOperation::FosterParentText(
|
|
nsIContent* aStackParent, char16_t* aBuffer, uint32_t aLength,
|
|
nsIContent* aTable, nsHtml5DocumentBuilder* aBuilder) {
|
|
MOZ_ASSERT(aBuilder);
|
|
MOZ_ASSERT(aBuilder->IsInDocUpdate());
|
|
nsresult rv = NS_OK;
|
|
nsIContent* foster = aTable->GetParent();
|
|
|
|
if (IsElementOrTemplateContent(foster)) {
|
|
nsHtml5OtherDocUpdate update(foster->OwnerDoc(), aBuilder->GetDocument());
|
|
|
|
nsIContent* previousSibling = aTable->GetPreviousSibling();
|
|
if (previousSibling && previousSibling->IsText()) {
|
|
return AppendTextToTextNode(aBuffer, aLength,
|
|
previousSibling->GetAsText(), aBuilder);
|
|
}
|
|
|
|
nsNodeInfoManager* nodeInfoManager =
|
|
aStackParent->OwnerDoc()->NodeInfoManager();
|
|
RefPtr<nsTextNode> text = new (nodeInfoManager) nsTextNode(nodeInfoManager);
|
|
NS_ASSERTION(text, "Infallible malloc failed?");
|
|
rv = text->SetText(aBuffer, aLength, false);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
ErrorResult error;
|
|
foster->InsertChildBefore(text, aTable, false, error);
|
|
if (error.Failed()) {
|
|
return error.StealNSResult();
|
|
}
|
|
|
|
MutationObservers::NotifyContentInserted(foster, text);
|
|
return rv;
|
|
}
|
|
|
|
return AppendText(aBuffer, aLength, aStackParent, aBuilder);
|
|
}
|
|
|
|
nsresult nsHtml5TreeOperation::AppendComment(nsIContent* aParent,
|
|
char16_t* aBuffer, int32_t aLength,
|
|
nsHtml5DocumentBuilder* aBuilder) {
|
|
nsNodeInfoManager* nodeInfoManager = aParent->OwnerDoc()->NodeInfoManager();
|
|
RefPtr<Comment> comment = new (nodeInfoManager) Comment(nodeInfoManager);
|
|
NS_ASSERTION(comment, "Infallible malloc failed?");
|
|
nsresult rv = comment->SetText(aBuffer, aLength, false);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
return Append(comment, aParent, aBuilder);
|
|
}
|
|
|
|
nsresult nsHtml5TreeOperation::AppendCommentToDocument(
|
|
char16_t* aBuffer, int32_t aLength, nsHtml5DocumentBuilder* aBuilder) {
|
|
RefPtr<Comment> comment = new (aBuilder->GetNodeInfoManager())
|
|
Comment(aBuilder->GetNodeInfoManager());
|
|
NS_ASSERTION(comment, "Infallible malloc failed?");
|
|
nsresult rv = comment->SetText(aBuffer, aLength, false);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
return AppendToDocument(comment, aBuilder);
|
|
}
|
|
|
|
nsresult nsHtml5TreeOperation::AppendDoctypeToDocument(
|
|
nsAtom* aName, const nsAString& aPublicId, const nsAString& aSystemId,
|
|
nsHtml5DocumentBuilder* aBuilder) {
|
|
// Adapted from nsXMLContentSink
|
|
// Create a new doctype node
|
|
RefPtr<DocumentType> docType =
|
|
NS_NewDOMDocumentType(aBuilder->GetNodeInfoManager(), aName, aPublicId,
|
|
aSystemId, VoidString());
|
|
return AppendToDocument(docType, aBuilder);
|
|
}
|
|
|
|
nsIContent* nsHtml5TreeOperation::GetDocumentFragmentForTemplate(
|
|
nsIContent* aNode) {
|
|
auto* tempElem = static_cast<HTMLTemplateElement*>(aNode);
|
|
return tempElem->Content();
|
|
}
|
|
|
|
nsIContent* nsHtml5TreeOperation::GetFosterParent(nsIContent* aTable,
|
|
nsIContent* aStackParent) {
|
|
nsIContent* tableParent = aTable->GetParent();
|
|
return IsElementOrTemplateContent(tableParent) ? tableParent : aStackParent;
|
|
}
|
|
|
|
void nsHtml5TreeOperation::PreventScriptExecution(nsIContent* aNode) {
|
|
nsCOMPtr<nsIScriptElement> sele = do_QueryInterface(aNode);
|
|
if (sele) {
|
|
sele->PreventExecution();
|
|
} else {
|
|
MOZ_ASSERT(nsNameSpaceManager::GetInstance()->mSVGDisabled,
|
|
"Node didn't QI to script, but SVG wasn't disabled.");
|
|
}
|
|
}
|
|
|
|
void nsHtml5TreeOperation::DoneAddingChildren(nsIContent* aNode) {
|
|
aNode->DoneAddingChildren(aNode->HasParserNotified());
|
|
}
|
|
|
|
void nsHtml5TreeOperation::DoneCreatingElement(nsIContent* aNode) {
|
|
aNode->DoneCreatingElement();
|
|
}
|
|
|
|
void nsHtml5TreeOperation::SvgLoad(nsIContent* aNode) {
|
|
nsCOMPtr<nsIRunnable> event = new nsHtml5SVGLoadDispatcher(aNode);
|
|
if (NS_FAILED(aNode->OwnerDoc()->Dispatch(event.forget()))) {
|
|
NS_WARNING("failed to dispatch svg load dispatcher");
|
|
}
|
|
}
|
|
|
|
void nsHtml5TreeOperation::MarkMalformedIfScript(nsIContent* aNode) {
|
|
nsCOMPtr<nsIScriptElement> sele = do_QueryInterface(aNode);
|
|
if (sele) {
|
|
// Make sure to serialize this script correctly, for nice round tripping.
|
|
sele->SetIsMalformed();
|
|
}
|
|
}
|
|
|
|
nsresult nsHtml5TreeOperation::Perform(nsHtml5TreeOpExecutor* aBuilder,
|
|
nsIContent** aScriptElement,
|
|
bool* aInterrupted, bool* aStreamEnded) {
|
|
struct TreeOperationMatcher {
|
|
TreeOperationMatcher(nsHtml5TreeOpExecutor* aBuilder,
|
|
nsIContent** aScriptElement, bool* aInterrupted,
|
|
bool* aStreamEnded)
|
|
: mBuilder(aBuilder),
|
|
mScriptElement(aScriptElement),
|
|
mInterrupted(aInterrupted),
|
|
mStreamEnded(aStreamEnded) {}
|
|
|
|
nsHtml5TreeOpExecutor* mBuilder;
|
|
nsIContent** mScriptElement;
|
|
bool* mInterrupted;
|
|
bool* mStreamEnded;
|
|
|
|
nsresult operator()(const opAppend& aOperation) {
|
|
return Append(*(aOperation.mChild), *(aOperation.mParent),
|
|
aOperation.mFromNetwork, mBuilder);
|
|
}
|
|
|
|
nsresult operator()(const opDetach& aOperation) {
|
|
Detach(*(aOperation.mElement), mBuilder);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opAppendChildrenToNewParent& aOperation) {
|
|
nsCOMPtr<nsIContent> node = *(aOperation.mOldParent);
|
|
nsIContent* parent = *(aOperation.mNewParent);
|
|
return AppendChildrenToNewParent(node, parent, mBuilder);
|
|
}
|
|
|
|
nsresult operator()(const opFosterParent& aOperation) {
|
|
nsIContent* node = *(aOperation.mChild);
|
|
nsIContent* parent = *(aOperation.mStackParent);
|
|
nsIContent* table = *(aOperation.mTable);
|
|
return FosterParent(node, parent, table, mBuilder);
|
|
}
|
|
|
|
nsresult operator()(const opAppendToDocument& aOperation) {
|
|
nsresult rv = AppendToDocument(*(aOperation.mContent), mBuilder);
|
|
mBuilder->PauseDocUpdate(mInterrupted);
|
|
return rv;
|
|
}
|
|
|
|
nsresult operator()(const opAddAttributes& aOperation) {
|
|
nsIContent* node = *(aOperation.mElement);
|
|
nsHtml5HtmlAttributes* attributes = aOperation.mAttributes;
|
|
return AddAttributes(node, attributes, mBuilder);
|
|
}
|
|
|
|
nsresult operator()(const nsHtml5DocumentMode& aMode) {
|
|
mBuilder->SetDocumentMode(aMode);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opCreateHTMLElement& aOperation) {
|
|
nsIContent** target = aOperation.mContent;
|
|
HTMLContentCreatorFunction creator = aOperation.mCreator;
|
|
nsAtom* name = aOperation.mName;
|
|
nsHtml5HtmlAttributes* attributes = aOperation.mAttributes;
|
|
nsIContent* intendedParent =
|
|
aOperation.mIntendedParent ? *(aOperation.mIntendedParent) : nullptr;
|
|
|
|
// intendedParent == nullptr is a special case where the
|
|
// intended parent is the document.
|
|
nsNodeInfoManager* nodeInfoManager =
|
|
intendedParent ? intendedParent->OwnerDoc()->NodeInfoManager()
|
|
: mBuilder->GetNodeInfoManager();
|
|
|
|
*target = CreateHTMLElement(name, attributes, aOperation.mFromNetwork,
|
|
nodeInfoManager, mBuilder, creator);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opCreateSVGElement& aOperation) {
|
|
nsIContent** target = aOperation.mContent;
|
|
SVGContentCreatorFunction creator = aOperation.mCreator;
|
|
nsAtom* name = aOperation.mName;
|
|
nsHtml5HtmlAttributes* attributes = aOperation.mAttributes;
|
|
nsIContent* intendedParent =
|
|
aOperation.mIntendedParent ? *(aOperation.mIntendedParent) : nullptr;
|
|
|
|
// intendedParent == nullptr is a special case where the
|
|
// intended parent is the document.
|
|
nsNodeInfoManager* nodeInfoManager =
|
|
intendedParent ? intendedParent->OwnerDoc()->NodeInfoManager()
|
|
: mBuilder->GetNodeInfoManager();
|
|
|
|
*target = CreateSVGElement(name, attributes, aOperation.mFromNetwork,
|
|
nodeInfoManager, mBuilder, creator);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opCreateMathMLElement& aOperation) {
|
|
nsIContent** target = aOperation.mContent;
|
|
nsAtom* name = aOperation.mName;
|
|
nsHtml5HtmlAttributes* attributes = aOperation.mAttributes;
|
|
nsIContent* intendedParent =
|
|
aOperation.mIntendedParent ? *(aOperation.mIntendedParent) : nullptr;
|
|
|
|
// intendedParent == nullptr is a special case where the
|
|
// intended parent is the document.
|
|
nsNodeInfoManager* nodeInfoManager =
|
|
intendedParent ? intendedParent->OwnerDoc()->NodeInfoManager()
|
|
: mBuilder->GetNodeInfoManager();
|
|
|
|
*target =
|
|
CreateMathMLElement(name, attributes, nodeInfoManager, mBuilder);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opSetFormElement& aOperation) {
|
|
SetFormElement(*(aOperation.mContent), *(aOperation.mFormElement));
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opAppendText& aOperation) {
|
|
nsIContent* parent = *aOperation.mParent;
|
|
char16_t* buffer = aOperation.mBuffer;
|
|
uint32_t length = aOperation.mLength;
|
|
return AppendText(buffer, length, parent, mBuilder);
|
|
}
|
|
|
|
nsresult operator()(const opFosterParentText& aOperation) {
|
|
nsIContent* stackParent = *aOperation.mStackParent;
|
|
char16_t* buffer = aOperation.mBuffer;
|
|
uint32_t length = aOperation.mLength;
|
|
nsIContent* table = *aOperation.mTable;
|
|
return FosterParentText(stackParent, buffer, length, table, mBuilder);
|
|
}
|
|
|
|
nsresult operator()(const opAppendComment& aOperation) {
|
|
nsIContent* parent = *aOperation.mParent;
|
|
char16_t* buffer = aOperation.mBuffer;
|
|
uint32_t length = aOperation.mLength;
|
|
return AppendComment(parent, buffer, length, mBuilder);
|
|
}
|
|
|
|
nsresult operator()(const opAppendCommentToDocument& aOperation) {
|
|
char16_t* buffer = aOperation.mBuffer;
|
|
int32_t length = aOperation.mLength;
|
|
return AppendCommentToDocument(buffer, length, mBuilder);
|
|
}
|
|
|
|
nsresult operator()(const opAppendDoctypeToDocument& aOperation) {
|
|
nsAtom* name = aOperation.mName;
|
|
nsHtml5TreeOperationStringPair* pair = aOperation.mStringPair;
|
|
nsString publicId;
|
|
nsString systemId;
|
|
pair->Get(publicId, systemId);
|
|
return AppendDoctypeToDocument(name, publicId, systemId, mBuilder);
|
|
}
|
|
|
|
nsresult operator()(const opGetDocumentFragmentForTemplate& aOperation) {
|
|
nsIContent* node = *(aOperation.mTemplate);
|
|
*(aOperation.mFragHandle) = GetDocumentFragmentForTemplate(node);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opGetFosterParent& aOperation) {
|
|
nsIContent* table = *(aOperation.mTable);
|
|
nsIContent* stackParent = *(aOperation.mStackParent);
|
|
nsIContent* fosterParent = GetFosterParent(table, stackParent);
|
|
*aOperation.mParentHandle = fosterParent;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opMarkAsBroken& aOperation) {
|
|
return aOperation.mResult;
|
|
}
|
|
|
|
nsresult operator()(
|
|
const opRunScriptThatMayDocumentWriteOrBlock& aOperation) {
|
|
nsIContent* node = *(aOperation.mElement);
|
|
nsAHtml5TreeBuilderState* snapshot = aOperation.mBuilderState;
|
|
if (snapshot) {
|
|
mBuilder->InitializeDocWriteParserState(snapshot,
|
|
aOperation.mLineNumber);
|
|
}
|
|
*mScriptElement = node;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(
|
|
const opRunScriptThatCannotDocumentWriteOrBlock& aOperation) {
|
|
mBuilder->RunScript(*(aOperation.mElement), false);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opPreventScriptExecution& aOperation) {
|
|
PreventScriptExecution(*(aOperation.mElement));
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opDoneAddingChildren& aOperation) {
|
|
nsIContent* node = *(aOperation.mElement);
|
|
node->DoneAddingChildren(node->HasParserNotified());
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opDoneCreatingElement& aOperation) {
|
|
DoneCreatingElement(*(aOperation.mElement));
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opUpdateCharsetSource& aOperation) {
|
|
mBuilder->UpdateCharsetSource(aOperation.mCharsetSource);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opCharsetSwitchTo& aOperation) {
|
|
auto encoding = WrapNotNull(aOperation.mEncoding);
|
|
mBuilder->NeedsCharsetSwitchTo(encoding, aOperation.mCharsetSource,
|
|
(uint32_t)aOperation.mLineNumber);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opUpdateStyleSheet& aOperation) {
|
|
mBuilder->UpdateStyleSheet(*(aOperation.mElement));
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opProcessOfflineManifest& aOperation) {
|
|
// TODO: remove this
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opMarkMalformedIfScript& aOperation) {
|
|
MarkMalformedIfScript(*(aOperation.mElement));
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opStreamEnded& aOperation) {
|
|
*mStreamEnded = true;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opSetStyleLineNumber& aOperation) {
|
|
nsIContent* node = *(aOperation.mContent);
|
|
if (auto* linkStyle = LinkStyle::FromNode(*node)) {
|
|
linkStyle->SetLineNumber(aOperation.mLineNumber);
|
|
} else {
|
|
MOZ_ASSERT(nsNameSpaceManager::GetInstance()->mSVGDisabled,
|
|
"Node didn't QI to style, but SVG wasn't disabled.");
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(
|
|
const opSetScriptLineAndColumnNumberAndFreeze& aOperation) {
|
|
nsIContent* node = *(aOperation.mContent);
|
|
nsCOMPtr<nsIScriptElement> sele = do_QueryInterface(node);
|
|
if (sele) {
|
|
sele->SetScriptLineNumber(aOperation.mLineNumber);
|
|
sele->SetScriptColumnNumber(
|
|
JS::ColumnNumberOneOrigin(aOperation.mColumnNumber));
|
|
sele->FreezeExecutionAttrs(node->OwnerDoc());
|
|
} else {
|
|
MOZ_ASSERT(nsNameSpaceManager::GetInstance()->mSVGDisabled,
|
|
"Node didn't QI to script, but SVG wasn't disabled.");
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opSvgLoad& aOperation) {
|
|
SvgLoad(*(aOperation.mElement));
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opMaybeComplainAboutCharset& aOperation) {
|
|
char* msgId = aOperation.mMsgId;
|
|
bool error = aOperation.mError;
|
|
int32_t lineNumber = aOperation.mLineNumber;
|
|
mBuilder->MaybeComplainAboutCharset(msgId, error, (uint32_t)lineNumber);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opMaybeComplainAboutDeepTree& aOperation) {
|
|
mBuilder->MaybeComplainAboutDeepTree((uint32_t)aOperation.mLineNumber);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opAddClass& aOperation) {
|
|
Element* element = (*(aOperation.mElement))->AsElement();
|
|
char16_t* str = aOperation.mClass;
|
|
nsDependentString depStr(str);
|
|
// See viewsource.css for the possible classes
|
|
nsAutoString klass;
|
|
element->GetAttr(nsGkAtoms::_class, klass);
|
|
if (!klass.IsEmpty()) {
|
|
klass.Append(' ');
|
|
klass.Append(depStr);
|
|
element->SetAttr(kNameSpaceID_None, nsGkAtoms::_class, klass, true);
|
|
} else {
|
|
element->SetAttr(kNameSpaceID_None, nsGkAtoms::_class, depStr, true);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opAddViewSourceHref& aOperation) {
|
|
Element* element = (*aOperation.mElement)->AsElement();
|
|
char16_t* buffer = aOperation.mBuffer;
|
|
int32_t length = aOperation.mLength;
|
|
nsDependentString relative(buffer, length);
|
|
|
|
Document* doc = mBuilder->GetDocument();
|
|
|
|
auto encoding = doc->GetDocumentCharacterSet();
|
|
nsCOMPtr<nsIURI> uri;
|
|
nsresult rv = NS_NewURI(getter_AddRefs(uri), relative, encoding,
|
|
mBuilder->GetViewSourceBaseURI());
|
|
NS_ENSURE_SUCCESS(rv, NS_OK);
|
|
|
|
// Reuse the fix for bug 467852
|
|
// URLs that execute script (e.g. "javascript:" URLs) should just be
|
|
// ignored. There's nothing reasonable we can do with them, and allowing
|
|
// them to execute in the context of the view-source window presents a
|
|
// security risk. Just return the empty string in this case.
|
|
bool openingExecutesScript = false;
|
|
rv = NS_URIChainHasFlags(uri,
|
|
nsIProtocolHandler::URI_OPENING_EXECUTES_SCRIPT,
|
|
&openingExecutesScript);
|
|
if (NS_FAILED(rv) || openingExecutesScript) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsAutoCString viewSourceUrl;
|
|
|
|
// URLs that return data (e.g. "http:" URLs) should be prefixed with
|
|
// "view-source:". URLs that don't return data should just be returned
|
|
// undecorated.
|
|
if (!nsContentUtils::IsExternalProtocol(uri)) {
|
|
viewSourceUrl.AssignLiteral("view-source:");
|
|
}
|
|
|
|
nsAutoCString spec;
|
|
rv = uri->GetSpec(spec);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
viewSourceUrl.Append(spec);
|
|
|
|
nsAutoString utf16;
|
|
CopyUTF8toUTF16(viewSourceUrl, utf16);
|
|
|
|
element->SetAttr(kNameSpaceID_None, nsGkAtoms::href, utf16, true);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opAddViewSourceBase& aOperation) {
|
|
nsDependentString baseUrl(aOperation.mBuffer, aOperation.mLength);
|
|
mBuilder->AddBase(baseUrl);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opAddErrorType& aOperation) {
|
|
Element* element = (*(aOperation.mElement))->AsElement();
|
|
char* msgId = aOperation.mMsgId;
|
|
nsAtom* atom = aOperation.mName;
|
|
nsAtom* otherAtom = aOperation.mOther;
|
|
// See viewsource.css for the possible classes in addition to "error".
|
|
nsAutoString klass;
|
|
element->GetAttr(nsGkAtoms::_class, klass);
|
|
if (!klass.IsEmpty()) {
|
|
klass.AppendLiteral(" error");
|
|
element->SetAttr(kNameSpaceID_None, nsGkAtoms::_class, klass, true);
|
|
} else {
|
|
element->SetAttr(kNameSpaceID_None, nsGkAtoms::_class, u"error"_ns,
|
|
true);
|
|
}
|
|
|
|
nsresult rv;
|
|
nsAutoString message;
|
|
if (otherAtom) {
|
|
rv = nsContentUtils::FormatLocalizedString(
|
|
message, nsContentUtils::eHTMLPARSER_PROPERTIES, msgId,
|
|
nsDependentAtomString(atom), nsDependentAtomString(otherAtom));
|
|
NS_ENSURE_SUCCESS(rv, NS_OK);
|
|
} else if (atom) {
|
|
rv = nsContentUtils::FormatLocalizedString(
|
|
message, nsContentUtils::eHTMLPARSER_PROPERTIES, msgId,
|
|
nsDependentAtomString(atom));
|
|
NS_ENSURE_SUCCESS(rv, NS_OK);
|
|
} else {
|
|
rv = nsContentUtils::GetLocalizedString(
|
|
nsContentUtils::eHTMLPARSER_PROPERTIES, msgId, message);
|
|
NS_ENSURE_SUCCESS(rv, NS_OK);
|
|
}
|
|
|
|
nsAutoString title;
|
|
element->GetAttr(nsGkAtoms::title, title);
|
|
if (!title.IsEmpty()) {
|
|
title.Append('\n');
|
|
title.Append(message);
|
|
element->SetAttr(kNameSpaceID_None, nsGkAtoms::title, title, true);
|
|
} else {
|
|
element->SetAttr(kNameSpaceID_None, nsGkAtoms::title, message, true);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
nsresult operator()(const opAddLineNumberId& aOperation) {
|
|
Element* element = (*(aOperation.mElement))->AsElement();
|
|
int32_t lineNumber = aOperation.mLineNumber;
|
|
nsAutoString val(u"line"_ns);
|
|
val.AppendInt(lineNumber);
|
|
element->SetAttr(kNameSpaceID_None, nsGkAtoms::id, val, true);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opStartLayout& aOperation) {
|
|
mBuilder->StartLayout(
|
|
mInterrupted); // this causes a notification flush anyway
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opEnableEncodingMenu& aOperation) {
|
|
Document* doc = mBuilder->GetDocument();
|
|
doc->EnableEncodingMenu();
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const uninitialized& aOperation) {
|
|
MOZ_CRASH("uninitialized");
|
|
return NS_OK;
|
|
}
|
|
};
|
|
|
|
return mOperation.match(TreeOperationMatcher(aBuilder, aScriptElement,
|
|
aInterrupted, aStreamEnded));
|
|
}
|