forked from mirrors/gecko-dev
1209 lines
42 KiB
C++
1209 lines
42 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/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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using namespace mozilla;
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using namespace mozilla::dom;
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using mozilla::dom::Document;
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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 opRunScript& aOperation) {}
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void operator()(const opRunScriptAsyncDefer& 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 opSetScriptLineNumberAndFreeze& aOperation) {}
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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, dom::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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mozilla::dom::FromParser aFromParser,
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nsHtml5DocumentBuilder* aBuilder) {
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Maybe<nsHtml5AutoPauseUpdate> autoPause;
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Maybe<dom::AutoCEReaction> autoCEReaction;
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dom::DocGroup* docGroup = aParent->OwnerDoc()->GetDocGroup();
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if (docGroup && aFromParser != mozilla::dom::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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dom::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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dom::Element* aElement, nsAtom* aName, nsHtml5HtmlAttributes* aAttributes) {
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int32_t len = aAttributes->getLength();
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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->SetSingleClassFromParser(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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if (nsGkAtoms::a == aName && nsGkAtoms::name == localName) {
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// This is an HTML5-incompliant Geckoism.
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// Remove when fixing bug 582361
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NS_ConvertUTF16toUTF8 cname(value);
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NS_ConvertUTF8toUTF16 uv(nsUnescape(cname.BeginWriting()));
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aElement->SetAttr(nsuri, localName, prefix, uv, false);
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} else {
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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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}
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nsIContent* nsHtml5TreeOperation::CreateHTMLElement(
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nsAtom* aName, nsHtml5HtmlAttributes* aAttributes,
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mozilla::dom::FromParser aFromParser, nsNodeInfoManager* aNodeInfoManager,
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nsHtml5DocumentBuilder* aBuilder,
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mozilla::dom::HTMLContentCreatorFunction aCreator) {
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RefPtr<dom::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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dom::Element* newContent = nullptr;
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Document* document = nodeInfo->GetDocument();
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bool willExecuteScript = false;
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bool isCustomElement = false;
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RefPtr<nsAtom> isAtom;
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dom::CustomElementDefinition* definition = nullptr;
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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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isCustomElement = (aCreator == NS_NewCustomElement || isAtom);
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if (isCustomElement && aFromParser != dom::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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definition = nsContentUtils::LookupCustomElementDefinition(
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document, nodeInfo->NameAtom(), nodeInfo->NamespaceID(), typeAtom);
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if (definition) {
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willExecuteScript = true;
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}
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}
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if (willExecuteScript) { // This will cause custom element constructors to
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// run
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mozilla::dom::AutoSetThrowOnDynamicMarkupInsertionCounter
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throwOnDynamicMarkupInsertionCounter(document);
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nsHtml5AutoPauseUpdate autoPauseContentUpdate(aBuilder);
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{ nsAutoMicroTask mt; }
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dom::AutoCEReaction autoCEReaction(
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document->GetDocGroup()->CustomElementReactionsStack(), nullptr);
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nsCOMPtr<dom::Element> newElement;
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NS_NewHTMLElement(getter_AddRefs(newElement), nodeInfo.forget(),
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aFromParser, isAtom, definition);
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MOZ_ASSERT(newElement, "Element creation created null pointer.");
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newContent = newElement;
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aBuilder->HoldElement(newElement.forget());
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if (MOZ_UNLIKELY(aName == nsGkAtoms::style || aName == nsGkAtoms::link)) {
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if (auto* linkStyle = dom::LinkStyle::FromNode(*newContent)) {
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linkStyle->SetEnableUpdates(false);
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}
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}
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if (!aAttributes) {
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return newContent;
|
|
}
|
|
|
|
SetHTMLElementAttributes(newContent, aName, aAttributes);
|
|
} else {
|
|
nsCOMPtr<dom::Element> newElement;
|
|
|
|
if (isCustomElement) {
|
|
NS_NewHTMLElement(getter_AddRefs(newElement), nodeInfo.forget(),
|
|
aFromParser, isAtom, definition);
|
|
} else {
|
|
newElement = aCreator(nodeInfo.forget(), aFromParser);
|
|
}
|
|
|
|
MOZ_ASSERT(newElement, "Element creation created null pointer.");
|
|
|
|
newContent = newElement;
|
|
aBuilder->HoldElement(newElement.forget());
|
|
|
|
if (MOZ_UNLIKELY(aName == nsGkAtoms::style || aName == nsGkAtoms::link)) {
|
|
if (auto* linkStyle = dom::LinkStyle::FromNode(*newContent)) {
|
|
linkStyle->SetEnableUpdates(false);
|
|
}
|
|
}
|
|
|
|
if (!aAttributes) {
|
|
return newContent;
|
|
}
|
|
|
|
SetHTMLElementAttributes(newContent, aName, aAttributes);
|
|
}
|
|
|
|
return newContent;
|
|
}
|
|
|
|
nsIContent* nsHtml5TreeOperation::CreateSVGElement(
|
|
nsAtom* aName, nsHtml5HtmlAttributes* aAttributes,
|
|
mozilla::dom::FromParser aFromParser, nsNodeInfoManager* aNodeInfoManager,
|
|
nsHtml5DocumentBuilder* aBuilder,
|
|
mozilla::dom::SVGContentCreatorFunction aCreator) {
|
|
nsCOMPtr<nsIContent> newElement;
|
|
if (MOZ_LIKELY(aNodeInfoManager->SVGEnabled())) {
|
|
RefPtr<dom::NodeInfo> nodeInfo = aNodeInfoManager->GetNodeInfo(
|
|
aName, nullptr, kNameSpaceID_SVG, nsINode::ELEMENT_NODE);
|
|
MOZ_ASSERT(nodeInfo, "Got null nodeinfo.");
|
|
|
|
mozilla::DebugOnly<nsresult> rv =
|
|
aCreator(getter_AddRefs(newElement), nodeInfo.forget(), aFromParser);
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv) && newElement);
|
|
} else {
|
|
RefPtr<dom::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<dom::Element> xmlElement;
|
|
mozilla::DebugOnly<nsresult> rv =
|
|
NS_NewXMLElement(getter_AddRefs(xmlElement), nodeInfo.forget());
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv) && xmlElement);
|
|
newElement = xmlElement;
|
|
}
|
|
|
|
dom::Element* newContent = newElement->AsElement();
|
|
aBuilder->HoldElement(newElement.forget());
|
|
|
|
if (MOZ_UNLIKELY(aName == nsGkAtoms::style)) {
|
|
if (auto* linkStyle = dom::LinkStyle::FromNode(*newContent)) {
|
|
linkStyle->SetEnableUpdates(false);
|
|
}
|
|
}
|
|
|
|
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->SetSingleClassFromParser(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<dom::Element> newElement;
|
|
if (MOZ_LIKELY(aNodeInfoManager->MathMLEnabled())) {
|
|
RefPtr<dom::NodeInfo> nodeInfo = aNodeInfoManager->GetNodeInfo(
|
|
aName, nullptr, kNameSpaceID_MathML, nsINode::ELEMENT_NODE);
|
|
NS_ASSERTION(nodeInfo, "Got null nodeinfo.");
|
|
|
|
mozilla::DebugOnly<nsresult> rv =
|
|
NS_NewMathMLElement(getter_AddRefs(newElement), nodeInfo.forget());
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv) && newElement);
|
|
} else {
|
|
RefPtr<dom::NodeInfo> nodeInfo = aNodeInfoManager->GetNodeInfo(
|
|
aName, nullptr, kNameSpaceID_disabled_MathML, nsINode::ELEMENT_NODE);
|
|
NS_ASSERTION(nodeInfo, "Got null nodeinfo.");
|
|
|
|
mozilla::DebugOnly<nsresult> rv =
|
|
NS_NewXMLElement(getter_AddRefs(newElement), nodeInfo.forget());
|
|
MOZ_ASSERT(NS_SUCCEEDED(rv) && newElement);
|
|
}
|
|
|
|
dom::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->SetSingleClassFromParser(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<dom::HTMLFormElement> formElement =
|
|
dom::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(kNameSpaceID_None, nsGkAtoms::form)) {
|
|
formControl->SetForm(formElement);
|
|
} else if (HTMLImageElement* domImageElement =
|
|
dom::HTMLImageElement::FromNodeOrNull(aNode)) {
|
|
domImageElement->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<dom::Comment> comment =
|
|
new (nodeInfoManager) dom::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<dom::Comment> comment = new (aBuilder->GetNodeInfoManager())
|
|
dom::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<dom::DocumentType> docType =
|
|
NS_NewDOMDocumentType(aBuilder->GetNodeInfoManager(), aName, aPublicId,
|
|
aSystemId, VoidString());
|
|
return AppendToDocument(docType, aBuilder);
|
|
}
|
|
|
|
nsIContent* nsHtml5TreeOperation::GetDocumentFragmentForTemplate(
|
|
nsIContent* aNode) {
|
|
dom::HTMLTemplateElement* tempElem =
|
|
static_cast<dom::HTMLTemplateElement*>(aNode);
|
|
RefPtr<dom::DocumentFragment> frag = tempElem->Content();
|
|
return frag;
|
|
}
|
|
|
|
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(TaskCategory::Network, 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;
|
|
mozilla::dom::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;
|
|
mozilla::dom::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 opRunScript& aOperation) {
|
|
nsIContent* node = *(aOperation.mElement);
|
|
nsAHtml5TreeBuilderState* snapshot = aOperation.mBuilderState;
|
|
if (snapshot) {
|
|
mBuilder->InitializeDocWriteParserState(snapshot,
|
|
aOperation.mLineNumber);
|
|
}
|
|
*mScriptElement = node;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult operator()(const opRunScriptAsyncDefer& aOperation) {
|
|
mBuilder->RunScript(*(aOperation.mElement));
|
|
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 = dom::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 opSetScriptLineNumberAndFreeze& aOperation) {
|
|
nsIContent* node = *(aOperation.mContent);
|
|
nsCOMPtr<nsIScriptElement> sele = do_QueryInterface(node);
|
|
if (sele) {
|
|
sele->SetScriptLineNumber(aOperation.mLineNumber);
|
|
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(kNameSpaceID_None, 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.
|
|
bool doesNotReturnData = false;
|
|
rv =
|
|
NS_URIChainHasFlags(uri, nsIProtocolHandler::URI_DOES_NOT_RETURN_DATA,
|
|
&doesNotReturnData);
|
|
NS_ENSURE_SUCCESS(rv, NS_OK);
|
|
if (!doesNotReturnData) {
|
|
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(kNameSpaceID_None, 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(kNameSpaceID_None, 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));
|
|
}
|