mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-11 02:56:06 +00:00
997 lines
33 KiB
C++
997 lines
33 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 "nsContentUtils.h"
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#include "nsDocElementCreatedNotificationRunner.h"
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#include "nsNodeUtils.h"
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#include "nsAttrName.h"
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#include "nsHtml5TreeBuilder.h"
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#include "nsIDOMMutationEvent.h"
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#include "mozAutoDocUpdate.h"
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#include "nsBindingManager.h"
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#include "nsXBLBinding.h"
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#include "nsHtml5DocumentMode.h"
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#include "nsHtml5HtmlAttributes.h"
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#include "nsContentCreatorFunctions.h"
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#include "nsIScriptElement.h"
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#include "nsIDTD.h"
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#include "nsISupportsImpl.h"
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#include "nsIDOMHTMLFormElement.h"
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#include "nsIFormControl.h"
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#include "nsIStyleSheetLinkingElement.h"
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#include "nsIDOMDocumentType.h"
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#include "nsIObserverService.h"
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#include "mozilla/Services.h"
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#include "nsIMutationObserver.h"
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#include "nsIFormProcessor.h"
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#include "nsIServiceManager.h"
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#include "nsEscape.h"
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#include "mozilla/dom/Comment.h"
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#include "mozilla/dom/Element.h"
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#include "mozilla/dom/HTMLImageElement.h"
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#include "mozilla/dom/HTMLTemplateElement.h"
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#include "nsHtml5SVGLoadDispatcher.h"
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#include "nsIURI.h"
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#include "nsIProtocolHandler.h"
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#include "nsNetUtil.h"
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#include "nsIHTMLDocument.h"
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#include "mozilla/Likely.h"
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#include "nsTextNode.h"
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using namespace mozilla;
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static NS_DEFINE_CID(kFormProcessorCID, NS_FORMPROCESSOR_CID);
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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(nsIDocument* aCurrentDoc, nsIDocument* aExecutorDoc)
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{
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NS_PRECONDITION(aCurrentDoc, "Node has no doc?");
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NS_PRECONDITION(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(UPDATE_CONTENT_MODEL);
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}
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}
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~nsHtml5OtherDocUpdate()
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{
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if (MOZ_UNLIKELY(mDocument)) {
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mDocument->EndUpdate(UPDATE_CONTENT_MODEL);
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}
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}
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private:
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nsCOMPtr<nsIDocument> mDocument;
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};
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nsHtml5TreeOperation::nsHtml5TreeOperation()
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: mOpCode(eTreeOpUninitialized)
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{
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MOZ_COUNT_CTOR(nsHtml5TreeOperation);
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}
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nsHtml5TreeOperation::~nsHtml5TreeOperation()
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{
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MOZ_COUNT_DTOR(nsHtml5TreeOperation);
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NS_ASSERTION(mOpCode != eTreeOpUninitialized, "Uninitialized tree op.");
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switch(mOpCode) {
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case eTreeOpAddAttributes:
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delete mTwo.attributes;
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break;
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case eTreeOpCreateElementNetwork:
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case eTreeOpCreateElementNotNetwork:
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delete mThree.attributes;
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break;
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case eTreeOpAppendDoctypeToDocument:
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delete mTwo.stringPair;
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break;
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case eTreeOpFosterParentText:
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case eTreeOpAppendText:
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case eTreeOpAppendComment:
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case eTreeOpAppendCommentToDocument:
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case eTreeOpAddViewSourceHref:
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case eTreeOpAddViewSourceBase:
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delete[] mTwo.unicharPtr;
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break;
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case eTreeOpSetDocumentCharset:
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case eTreeOpNeedsCharsetSwitchTo:
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delete[] mOne.charPtr;
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break;
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case eTreeOpProcessOfflineManifest:
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free(mOne.unicharPtr);
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break;
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default: // keep the compiler happy
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break;
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}
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}
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nsresult
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nsHtml5TreeOperation::AppendTextToTextNode(const char16_t* aBuffer,
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uint32_t aLength,
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nsIContent* aTextNode,
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nsHtml5DocumentBuilder* aBuilder)
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{
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NS_PRECONDITION(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 = {
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true,
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oldLength,
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oldLength,
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aLength
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};
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nsNodeUtils::CharacterDataWillChange(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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nsNodeUtils::CharacterDataChanged(aTextNode, &info);
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return rv;
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}
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nsresult
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nsHtml5TreeOperation::AppendText(const char16_t* aBuffer,
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uint32_t aLength,
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nsIContent* aParent,
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nsHtml5DocumentBuilder* aBuilder)
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{
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nsresult rv = NS_OK;
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nsIContent* lastChild = aParent->GetLastChild();
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if (lastChild && lastChild->IsNodeOfType(nsINode::eTEXT)) {
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nsHtml5OtherDocUpdate update(aParent->OwnerDoc(),
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aBuilder->GetDocument());
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return AppendTextToTextNode(aBuffer,
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aLength,
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lastChild,
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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 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
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nsHtml5TreeOperation::Append(nsIContent* aNode,
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nsIContent* aParent,
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nsHtml5DocumentBuilder* aBuilder)
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{
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MOZ_ASSERT(aBuilder);
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MOZ_ASSERT(aBuilder->IsInDocUpdate());
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nsresult rv = NS_OK;
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nsHtml5OtherDocUpdate update(aParent->OwnerDoc(),
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aBuilder->GetDocument());
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uint32_t childCount = aParent->GetChildCount();
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rv = aParent->AppendChildTo(aNode, false);
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if (NS_SUCCEEDED(rv)) {
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aNode->SetParserHasNotified();
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nsNodeUtils::ContentAppended(aParent, aNode, childCount);
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}
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return rv;
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}
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nsresult
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nsHtml5TreeOperation::AppendToDocument(nsIContent* aNode,
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nsHtml5DocumentBuilder* aBuilder)
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{
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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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nsresult rv = NS_OK;
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nsIDocument* doc = aBuilder->GetDocument();
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uint32_t childCount = doc->GetChildCount();
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rv = doc->AppendChildTo(aNode, false);
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if (rv == 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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NS_ENSURE_SUCCESS(rv, rv);
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aNode->SetParserHasNotified();
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nsNodeUtils::ContentInserted(doc, aNode, childCount);
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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 rv;
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}
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static bool
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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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} else if (aNode->NodeType() == nsIDOMNode::DOCUMENT_FRAGMENT_NODE) {
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// Check if the node is a template content.
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mozilla::dom::DocumentFragment* frag =
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static_cast<mozilla::dom::DocumentFragment*>(aNode);
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nsIContent* fragHost = frag->GetHost();
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if (fragHost && nsNodeUtils::IsTemplateElement(fragHost)) {
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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
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nsHtml5TreeOperation::Detach(nsIContent* aNode, nsHtml5DocumentBuilder* aBuilder)
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{
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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(),
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aBuilder->GetDocument());
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int32_t pos = parent->IndexOf(aNode);
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NS_ASSERTION((pos >= 0), "Element not found as child of its parent");
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parent->RemoveChildAt(pos, true);
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}
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}
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nsresult
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nsHtml5TreeOperation::AppendChildrenToNewParent(nsIContent* aNode,
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nsIContent* aParent,
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nsHtml5DocumentBuilder* aBuilder)
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{
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MOZ_ASSERT(aBuilder);
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MOZ_ASSERT(aBuilder->IsInDocUpdate());
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nsHtml5OtherDocUpdate update(aParent->OwnerDoc(),
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aBuilder->GetDocument());
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uint32_t childCount = aParent->GetChildCount();
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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->RemoveChildAt(0, true);
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nsresult rv = aParent->AppendChildTo(child, false);
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NS_ENSURE_SUCCESS(rv, rv);
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didAppend = true;
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}
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if (didAppend) {
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nsNodeUtils::ContentAppended(aParent, aParent->GetChildAt(childCount),
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childCount);
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}
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return NS_OK;
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}
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nsresult
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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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{
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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(),
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aBuilder->GetDocument());
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uint32_t pos = foster->IndexOf(aTable);
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nsresult rv = foster->InsertChildAt(aNode, pos, false);
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NS_ENSURE_SUCCESS(rv, rv);
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nsNodeUtils::ContentInserted(foster, aNode, pos);
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return rv;
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}
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return Append(aNode, aParent, aBuilder);
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}
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nsresult
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nsHtml5TreeOperation::AddAttributes(nsIContent* aNode,
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nsHtml5HtmlAttributes* aAttributes,
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nsHtml5DocumentBuilder* aBuilder)
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{
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dom::Element* node = aNode->AsElement();
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nsHtml5OtherDocUpdate update(node->OwnerDoc(),
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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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// prefix doesn't need regetting. it is always null or a static atom
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// local name is never null
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nsCOMPtr<nsIAtom> localName =
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Reget(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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// prefix doesn't need regetting. it is always null or a static atom
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// local name is never null
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node->SetAttr(nsuri,
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localName,
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aAttributes->getPrefixNoBoundsCheck(i),
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*(aAttributes->getValueNoBoundsCheck(i)),
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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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nsIContent*
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nsHtml5TreeOperation::CreateElement(int32_t aNs,
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nsIAtom* aName,
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nsHtml5HtmlAttributes* aAttributes,
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mozilla::dom::FromParser aFromParser,
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nsNodeInfoManager* aNodeInfoManager,
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nsHtml5DocumentBuilder* aBuilder)
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{
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bool isKeygen = (aName == nsHtml5Atoms::keygen && aNs == kNameSpaceID_XHTML);
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if (MOZ_UNLIKELY(isKeygen)) {
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aName = nsHtml5Atoms::select;
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}
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nsCOMPtr<dom::Element> newElement;
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RefPtr<dom::NodeInfo> nodeInfo = aNodeInfoManager->
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GetNodeInfo(aName, nullptr, aNs, nsIDOMNode::ELEMENT_NODE);
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NS_ASSERTION(nodeInfo, "Got null nodeinfo.");
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NS_NewElement(getter_AddRefs(newElement),
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nodeInfo.forget(),
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aFromParser);
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NS_ASSERTION(newElement, "Element creation created null pointer.");
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dom::Element* newContent = newElement;
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aBuilder->HoldElement(newElement.forget());
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if (MOZ_UNLIKELY(aName == nsHtml5Atoms::style || aName == nsHtml5Atoms::link)) {
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nsCOMPtr<nsIStyleSheetLinkingElement> ssle(do_QueryInterface(newContent));
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if (ssle) {
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ssle->InitStyleLinkElement(false);
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ssle->SetEnableUpdates(false);
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}
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} else if (MOZ_UNLIKELY(isKeygen)) {
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// Adapted from CNavDTD
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nsresult rv;
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nsCOMPtr<nsIFormProcessor> theFormProcessor =
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do_GetService(kFormProcessorCID, &rv);
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if (NS_FAILED(rv)) {
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return newContent;
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}
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nsTArray<nsString> theContent;
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nsAutoString theAttribute;
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(void) theFormProcessor->ProvideContent(NS_LITERAL_STRING("select"),
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theContent,
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theAttribute);
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newContent->SetAttr(kNameSpaceID_None,
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nsGkAtoms::moztype,
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nullptr,
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theAttribute,
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false);
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RefPtr<dom::NodeInfo> optionNodeInfo =
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aNodeInfoManager->GetNodeInfo(nsHtml5Atoms::option,
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nullptr,
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kNameSpaceID_XHTML,
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nsIDOMNode::ELEMENT_NODE);
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for (uint32_t i = 0; i < theContent.Length(); ++i) {
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nsCOMPtr<dom::Element> optionElt;
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RefPtr<dom::NodeInfo> ni = optionNodeInfo;
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NS_NewElement(getter_AddRefs(optionElt),
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ni.forget(),
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aFromParser);
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RefPtr<nsTextNode> optionText = new nsTextNode(aNodeInfoManager);
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(void) optionText->SetText(theContent[i], false);
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optionElt->AppendChildTo(optionText, false);
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newContent->AppendChildTo(optionElt, false);
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// XXXsmaug Shouldn't we call this after adding all the child nodes.
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newContent->DoneAddingChildren(false);
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}
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}
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if (!aAttributes) {
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return newContent;
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}
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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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// prefix doesn't need regetting. it is always null or a static atom
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// local name is never null
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nsCOMPtr<nsIAtom> localName =
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Reget(aAttributes->getLocalNameNoBoundsCheck(i));
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nsCOMPtr<nsIAtom> prefix = aAttributes->getPrefixNoBoundsCheck(i);
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int32_t nsuri = aAttributes->getURINoBoundsCheck(i);
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if (aNs == kNameSpaceID_XHTML &&
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nsHtml5Atoms::a == aName &&
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nsHtml5Atoms::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(*(aAttributes->getValueNoBoundsCheck(i)));
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NS_ConvertUTF8toUTF16 uv(nsUnescape(cname.BeginWriting()));
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newContent->SetAttr(nsuri,
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localName,
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prefix,
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uv,
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false);
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} else {
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nsString& value = *(aAttributes->getValueNoBoundsCheck(i));
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newContent->SetAttr(nsuri,
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localName,
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prefix,
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value,
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false);
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// Custom element setup may be needed if there is an "is" attribute.
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if (kNameSpaceID_None == nsuri && !prefix && nsGkAtoms::is == localName) {
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newContent->OwnerDoc()->SetupCustomElement(newContent,
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newContent->GetNameSpaceID(),
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&value);
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}
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}
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}
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return newContent;
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}
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void
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nsHtml5TreeOperation::SetFormElement(nsIContent* aNode, nsIContent* aParent)
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{
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nsCOMPtr<nsIFormControl> formControl(do_QueryInterface(aNode));
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nsCOMPtr<nsIDOMHTMLImageElement> domImageElement = do_QueryInterface(aNode);
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// NS_ASSERTION(formControl, "Form-associated element did not implement nsIFormControl.");
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// TODO: uncomment the above line when <keygen> (bug 101019) is supported by Gecko
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nsCOMPtr<nsIDOMHTMLFormElement> formElement(do_QueryInterface(aParent));
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NS_ASSERTION(formElement, "The form element doesn't implement nsIDOMHTMLFormElement.");
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// avoid crashing on <keygen>
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if (formControl &&
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!aNode->HasAttr(kNameSpaceID_None, nsGkAtoms::form)) {
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formControl->SetForm(formElement);
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} else if (domImageElement) {
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RefPtr<dom::HTMLImageElement> imageElement =
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static_cast<dom::HTMLImageElement*>(domImageElement.get());
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MOZ_ASSERT(imageElement);
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imageElement->SetForm(formElement);
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}
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}
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nsresult
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nsHtml5TreeOperation::AppendIsindexPrompt(nsIContent* parent, nsHtml5DocumentBuilder* aBuilder)
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{
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nsXPIDLString prompt;
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nsresult rv =
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nsContentUtils::GetLocalizedString(nsContentUtils::eFORMS_PROPERTIES,
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"IsIndexPromptWithSpace", prompt);
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uint32_t len = prompt.Length();
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if (NS_FAILED(rv)) {
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return rv;
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}
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if (!len) {
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// Don't bother appending a zero-length text node.
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return NS_OK;
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}
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return AppendText(prompt.BeginReading(), len, parent, aBuilder);
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}
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nsresult
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nsHtml5TreeOperation::FosterParentText(nsIContent* aStackParent,
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char16_t* aBuffer,
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uint32_t aLength,
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nsIContent* aTable,
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nsHtml5DocumentBuilder* aBuilder)
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|
{
|
|
MOZ_ASSERT(aBuilder);
|
|
MOZ_ASSERT(aBuilder->IsInDocUpdate());
|
|
nsresult rv = NS_OK;
|
|
nsIContent* foster = aTable->GetParent();
|
|
|
|
if (IsElementOrTemplateContent(foster)) {
|
|
nsHtml5OtherDocUpdate update(foster->OwnerDoc(),
|
|
aBuilder->GetDocument());
|
|
|
|
uint32_t pos = foster->IndexOf(aTable);
|
|
|
|
nsIContent* previousSibling = aTable->GetPreviousSibling();
|
|
if (previousSibling && previousSibling->IsNodeOfType(nsINode::eTEXT)) {
|
|
return AppendTextToTextNode(aBuffer,
|
|
aLength,
|
|
previousSibling,
|
|
aBuilder);
|
|
}
|
|
|
|
nsNodeInfoManager* nodeInfoManager = aStackParent->OwnerDoc()->NodeInfoManager();
|
|
RefPtr<nsTextNode> text = new nsTextNode(nodeInfoManager);
|
|
NS_ASSERTION(text, "Infallible malloc failed?");
|
|
rv = text->SetText(aBuffer, aLength, false);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
rv = foster->InsertChildAt(text, pos, false);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
nsNodeUtils::ContentInserted(foster, text, pos);
|
|
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 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 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(nsIAtom* aName,
|
|
const nsAString& aPublicId,
|
|
const nsAString& aSystemId,
|
|
nsHtml5DocumentBuilder* aBuilder)
|
|
{
|
|
// Adapted from nsXMLContentSink
|
|
// Create a new doctype node
|
|
nsCOMPtr<nsIDOMDocumentType> docType;
|
|
nsAutoString voidString;
|
|
voidString.SetIsVoid(true);
|
|
NS_NewDOMDocumentType(getter_AddRefs(docType),
|
|
aBuilder->GetNodeInfoManager(),
|
|
aName,
|
|
aPublicId,
|
|
aSystemId,
|
|
voidString);
|
|
NS_ASSERTION(docType, "Doctype creation failed.");
|
|
nsCOMPtr<nsIContent> asContent = do_QueryInterface(docType);
|
|
return AppendToDocument(asContent, 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);
|
|
MOZ_ASSERT(sele);
|
|
sele->PreventExecution();
|
|
}
|
|
|
|
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(NS_DispatchToMainThread(event))) {
|
|
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)
|
|
{
|
|
switch(mOpCode) {
|
|
case eTreeOpAppend: {
|
|
nsIContent* node = *(mOne.node);
|
|
nsIContent* parent = *(mTwo.node);
|
|
return Append(node, parent, aBuilder);
|
|
}
|
|
case eTreeOpDetach: {
|
|
nsIContent* node = *(mOne.node);
|
|
Detach(node, aBuilder);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpAppendChildrenToNewParent: {
|
|
nsCOMPtr<nsIContent> node = *(mOne.node);
|
|
nsIContent* parent = *(mTwo.node);
|
|
return AppendChildrenToNewParent(node, parent, aBuilder);
|
|
}
|
|
case eTreeOpFosterParent: {
|
|
nsIContent* node = *(mOne.node);
|
|
nsIContent* parent = *(mTwo.node);
|
|
nsIContent* table = *(mThree.node);
|
|
return FosterParent(node, parent, table, aBuilder);
|
|
}
|
|
case eTreeOpAppendToDocument: {
|
|
nsIContent* node = *(mOne.node);
|
|
return AppendToDocument(node, aBuilder);
|
|
}
|
|
case eTreeOpAddAttributes: {
|
|
nsIContent* node = *(mOne.node);
|
|
nsHtml5HtmlAttributes* attributes = mTwo.attributes;
|
|
return AddAttributes(node, attributes, aBuilder);
|
|
}
|
|
case eTreeOpCreateElementNetwork:
|
|
case eTreeOpCreateElementNotNetwork: {
|
|
nsIContent** target = mOne.node;
|
|
int32_t ns = mFour.integer;
|
|
nsCOMPtr<nsIAtom> name = Reget(mTwo.atom);
|
|
nsHtml5HtmlAttributes* attributes = mThree.attributes;
|
|
nsIContent* intendedParent = mFive.node ? *(mFive.node) : nullptr;
|
|
|
|
// intendedParent == nullptr is a special case where the
|
|
// intended parent is the document.
|
|
nsNodeInfoManager* nodeInfoManager = intendedParent ?
|
|
intendedParent->OwnerDoc()->NodeInfoManager() :
|
|
aBuilder->GetNodeInfoManager();
|
|
|
|
*target = CreateElement(ns,
|
|
name,
|
|
attributes,
|
|
mOpCode == eTreeOpCreateElementNetwork ?
|
|
dom::FROM_PARSER_NETWORK :
|
|
dom::FROM_PARSER_DOCUMENT_WRITE,
|
|
nodeInfoManager,
|
|
aBuilder);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpSetFormElement: {
|
|
nsIContent* node = *(mOne.node);
|
|
nsIContent* parent = *(mTwo.node);
|
|
SetFormElement(node, parent);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpAppendText: {
|
|
nsIContent* parent = *mOne.node;
|
|
char16_t* buffer = mTwo.unicharPtr;
|
|
uint32_t length = mFour.integer;
|
|
return AppendText(buffer, length, parent, aBuilder);
|
|
}
|
|
case eTreeOpAppendIsindexPrompt: {
|
|
nsIContent* parent = *mOne.node;
|
|
return AppendIsindexPrompt(parent, aBuilder);
|
|
}
|
|
case eTreeOpFosterParentText: {
|
|
nsIContent* stackParent = *mOne.node;
|
|
char16_t* buffer = mTwo.unicharPtr;
|
|
uint32_t length = mFour.integer;
|
|
nsIContent* table = *mThree.node;
|
|
return FosterParentText(stackParent, buffer, length, table, aBuilder);
|
|
}
|
|
case eTreeOpAppendComment: {
|
|
nsIContent* parent = *mOne.node;
|
|
char16_t* buffer = mTwo.unicharPtr;
|
|
int32_t length = mFour.integer;
|
|
return AppendComment(parent, buffer, length, aBuilder);
|
|
}
|
|
case eTreeOpAppendCommentToDocument: {
|
|
char16_t* buffer = mTwo.unicharPtr;
|
|
int32_t length = mFour.integer;
|
|
return AppendCommentToDocument(buffer, length, aBuilder);
|
|
}
|
|
case eTreeOpAppendDoctypeToDocument: {
|
|
nsCOMPtr<nsIAtom> name = Reget(mOne.atom);
|
|
nsHtml5TreeOperationStringPair* pair = mTwo.stringPair;
|
|
nsString publicId;
|
|
nsString systemId;
|
|
pair->Get(publicId, systemId);
|
|
return AppendDoctypeToDocument(name, publicId, systemId, aBuilder);
|
|
}
|
|
case eTreeOpGetDocumentFragmentForTemplate: {
|
|
nsIContent* node = *(mOne.node);
|
|
*mTwo.node = GetDocumentFragmentForTemplate(node);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpGetFosterParent: {
|
|
nsIContent* table = *(mOne.node);
|
|
nsIContent* stackParent = *(mTwo.node);
|
|
nsIContent* fosterParent = GetFosterParent(table, stackParent);
|
|
*mThree.node = fosterParent;
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpMarkAsBroken: {
|
|
return mOne.result;
|
|
}
|
|
case eTreeOpRunScript: {
|
|
nsIContent* node = *(mOne.node);
|
|
nsAHtml5TreeBuilderState* snapshot = mTwo.state;
|
|
if (snapshot) {
|
|
aBuilder->InitializeDocWriteParserState(snapshot, mFour.integer);
|
|
}
|
|
*aScriptElement = node;
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpRunScriptAsyncDefer: {
|
|
nsIContent* node = *(mOne.node);
|
|
aBuilder->RunScript(node);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpPreventScriptExecution: {
|
|
nsIContent* node = *(mOne.node);
|
|
PreventScriptExecution(node);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpDoneAddingChildren: {
|
|
nsIContent* node = *(mOne.node);
|
|
node->DoneAddingChildren(node->HasParserNotified());
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpDoneCreatingElement: {
|
|
nsIContent* node = *(mOne.node);
|
|
DoneCreatingElement(node);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpSetDocumentCharset: {
|
|
char* str = mOne.charPtr;
|
|
int32_t charsetSource = mFour.integer;
|
|
nsDependentCString dependentString(str);
|
|
aBuilder->SetDocumentCharsetAndSource(dependentString, charsetSource);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpNeedsCharsetSwitchTo: {
|
|
char* str = mOne.charPtr;
|
|
int32_t charsetSource = mFour.integer;
|
|
int32_t lineNumber = mTwo.integer;
|
|
aBuilder->NeedsCharsetSwitchTo(str, charsetSource, (uint32_t)lineNumber);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpUpdateStyleSheet: {
|
|
nsIContent* node = *(mOne.node);
|
|
aBuilder->UpdateStyleSheet(node);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpProcessMeta: {
|
|
nsIContent* node = *(mOne.node);
|
|
return aBuilder->ProcessMETATag(node);
|
|
}
|
|
case eTreeOpProcessOfflineManifest: {
|
|
char16_t* str = mOne.unicharPtr;
|
|
nsDependentString dependentString(str);
|
|
aBuilder->ProcessOfflineManifest(dependentString);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpMarkMalformedIfScript: {
|
|
nsIContent* node = *(mOne.node);
|
|
MarkMalformedIfScript(node);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpStreamEnded: {
|
|
aBuilder->DidBuildModel(false); // this causes a notifications flush anyway
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpStartLayout: {
|
|
aBuilder->StartLayout(); // this causes a notification flush anyway
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpDocumentMode: {
|
|
aBuilder->SetDocumentMode(mOne.mode);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpSetStyleLineNumber: {
|
|
nsIContent* node = *(mOne.node);
|
|
nsCOMPtr<nsIStyleSheetLinkingElement> ssle = do_QueryInterface(node);
|
|
NS_ASSERTION(ssle, "Node didn't QI to style.");
|
|
ssle->SetLineNumber(mFour.integer);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpSetScriptLineNumberAndFreeze: {
|
|
nsIContent* node = *(mOne.node);
|
|
nsCOMPtr<nsIScriptElement> sele = do_QueryInterface(node);
|
|
NS_ASSERTION(sele, "Node didn't QI to script.");
|
|
sele->SetScriptLineNumber(mFour.integer);
|
|
sele->FreezeUriAsyncDefer();
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpSvgLoad: {
|
|
nsIContent* node = *(mOne.node);
|
|
SvgLoad(node);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpMaybeComplainAboutCharset: {
|
|
char* msgId = mOne.charPtr;
|
|
bool error = mTwo.integer;
|
|
int32_t lineNumber = mThree.integer;
|
|
aBuilder->MaybeComplainAboutCharset(msgId, error, (uint32_t)lineNumber);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpAddClass: {
|
|
nsIContent* node = *(mOne.node);
|
|
char16_t* str = mTwo.unicharPtr;
|
|
nsDependentString depStr(str);
|
|
// See viewsource.css for the possible classes
|
|
nsAutoString klass;
|
|
node->GetAttr(kNameSpaceID_None, nsGkAtoms::_class, klass);
|
|
if (!klass.IsEmpty()) {
|
|
klass.Append(' ');
|
|
klass.Append(depStr);
|
|
node->SetAttr(kNameSpaceID_None, nsGkAtoms::_class, klass, true);
|
|
} else {
|
|
node->SetAttr(kNameSpaceID_None, nsGkAtoms::_class, depStr, true);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpAddLineNumberId: {
|
|
nsIContent* node = *(mOne.node);
|
|
int32_t lineNumber = mFour.integer;
|
|
nsAutoString val(NS_LITERAL_STRING("line"));
|
|
val.AppendInt(lineNumber);
|
|
node->SetAttr(kNameSpaceID_None, nsGkAtoms::id, val, true);
|
|
return NS_OK;
|
|
}
|
|
case eTreeOpAddViewSourceHref: {
|
|
nsIContent* node = *mOne.node;
|
|
char16_t* buffer = mTwo.unicharPtr;
|
|
int32_t length = mFour.integer;
|
|
|
|
nsDependentString relative(buffer, length);
|
|
|
|
nsIDocument* doc = aBuilder->GetDocument();
|
|
|
|
const nsCString& charset = doc->GetDocumentCharacterSet();
|
|
nsCOMPtr<nsIURI> uri;
|
|
nsresult rv = NS_NewURI(getter_AddRefs(uri),
|
|
relative,
|
|
charset.get(),
|
|
aBuilder->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;
|
|
uri->GetSpec(spec);
|
|
|
|
viewSourceUrl.Append(spec);
|
|
|
|
nsAutoString utf16;
|
|
CopyUTF8toUTF16(viewSourceUrl, utf16);
|
|
|
|
node->SetAttr(kNameSpaceID_None, nsGkAtoms::href, utf16, true);
|
|
return rv;
|
|
}
|
|
case eTreeOpAddError: {
|
|
nsIContent* node = *(mOne.node);
|
|
char* msgId = mTwo.charPtr;
|
|
nsCOMPtr<nsIAtom> atom = Reget(mThree.atom);
|
|
nsCOMPtr<nsIAtom> otherAtom = Reget(mFour.atom);
|
|
// See viewsource.css for the possible classes in addition to "error".
|
|
nsAutoString klass;
|
|
node->GetAttr(kNameSpaceID_None, nsGkAtoms::_class, klass);
|
|
if (!klass.IsEmpty()) {
|
|
klass.AppendLiteral(" error");
|
|
node->SetAttr(kNameSpaceID_None, nsGkAtoms::_class, klass, true);
|
|
} else {
|
|
node->SetAttr(kNameSpaceID_None,
|
|
nsGkAtoms::_class,
|
|
NS_LITERAL_STRING("error"),
|
|
true);
|
|
}
|
|
|
|
nsresult rv;
|
|
nsXPIDLString message;
|
|
if (otherAtom) {
|
|
const char16_t* params[] = { atom->GetUTF16String(),
|
|
otherAtom->GetUTF16String() };
|
|
rv = nsContentUtils::FormatLocalizedString(
|
|
nsContentUtils::eHTMLPARSER_PROPERTIES, msgId, params, message);
|
|
NS_ENSURE_SUCCESS(rv, NS_OK);
|
|
} else if (atom) {
|
|
const char16_t* params[] = { atom->GetUTF16String() };
|
|
rv = nsContentUtils::FormatLocalizedString(
|
|
nsContentUtils::eHTMLPARSER_PROPERTIES, msgId, params, message);
|
|
NS_ENSURE_SUCCESS(rv, NS_OK);
|
|
} else {
|
|
rv = nsContentUtils::GetLocalizedString(
|
|
nsContentUtils::eHTMLPARSER_PROPERTIES, msgId, message);
|
|
NS_ENSURE_SUCCESS(rv, NS_OK);
|
|
}
|
|
|
|
nsAutoString title;
|
|
node->GetAttr(kNameSpaceID_None, nsGkAtoms::title, title);
|
|
if (!title.IsEmpty()) {
|
|
title.Append('\n');
|
|
title.Append(message);
|
|
node->SetAttr(kNameSpaceID_None, nsGkAtoms::title, title, true);
|
|
} else {
|
|
node->SetAttr(kNameSpaceID_None, nsGkAtoms::title, message, true);
|
|
}
|
|
return rv;
|
|
}
|
|
case eTreeOpAddViewSourceBase: {
|
|
char16_t* buffer = mTwo.unicharPtr;
|
|
int32_t length = mFour.integer;
|
|
nsDependentString baseUrl(buffer, length);
|
|
aBuilder->AddBase(baseUrl);
|
|
return NS_OK;
|
|
}
|
|
default: {
|
|
MOZ_CRASH("Bogus tree op");
|
|
}
|
|
}
|
|
return NS_OK; // keep compiler happy
|
|
}
|