зеркало из https://github.com/mozilla/pjs.git
828 строки
29 KiB
C++
828 строки
29 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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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Pierre Phaneuf <pp@ludusdesign.com>
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* Henri Sivonen <hsivonen@iki.fi>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsHtml5TreeOperation.h"
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#include "nsContentUtils.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 "nsTraceRefcnt.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/Element.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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namespace dom = mozilla::dom;
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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 NS_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 (NS_LIKELY(aCurrentDoc == aExecutorDoc)) {
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mDocument = nsnull;
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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 (NS_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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nsIDocument* mDocument;
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};
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nsHtml5TreeOperation::nsHtml5TreeOperation()
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#ifdef DEBUG
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: mOpCode(eTreeOpUninitialized)
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#endif
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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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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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nsMemory::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 PRUnichar* aBuffer,
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PRUint32 aLength,
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nsIContent* aTextNode,
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nsHtml5TreeOpExecutor* aBuilder)
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{
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NS_PRECONDITION(aTextNode, "Got null text node.");
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if (aBuilder->HaveNotified(aTextNode)) {
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// This text node has already been notified on, so it's necessary to
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// notify on the append
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nsresult rv = NS_OK;
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PRUint32 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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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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return aTextNode->AppendText(aBuffer, aLength, false);
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}
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nsresult
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nsHtml5TreeOperation::AppendText(const PRUnichar* aBuffer,
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PRUint32 aLength,
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nsIContent* aParent,
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nsHtml5TreeOpExecutor* 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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nsCOMPtr<nsIContent> text;
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NS_NewTextNode(getter_AddRefs(text), aBuilder->GetNodeInfoManager());
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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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nsHtml5TreeOpExecutor* aBuilder)
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{
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nsresult rv = NS_OK;
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nsIDocument* executorDoc = aBuilder->GetDocument();
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NS_ASSERTION(executorDoc, "Null doc on executor");
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nsIDocument* parentDoc = aParent->OwnerDoc();
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NS_ASSERTION(parentDoc, "Null owner doc on old node.");
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if (NS_LIKELY(executorDoc == parentDoc)) {
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// the usual case. the parent is in the parser's doc
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rv = aParent->AppendChildTo(aNode, false);
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if (NS_SUCCEEDED(rv)) {
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aBuilder->PostPendingAppendNotification(aParent, aNode);
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}
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return rv;
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}
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// The parent has been moved to another doc
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parentDoc->BeginUpdate(UPDATE_CONTENT_MODEL);
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PRUint32 childCount = aParent->GetChildCount();
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rv = aParent->AppendChildTo(aNode, false);
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if (NS_SUCCEEDED(rv)) {
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nsNodeUtils::ContentAppended(aParent, aNode, childCount);
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}
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parentDoc->EndUpdate(UPDATE_CONTENT_MODEL);
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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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nsHtml5TreeOpExecutor* aBuilder)
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{
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nsresult rv = NS_OK;
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aBuilder->FlushPendingAppendNotifications();
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nsIDocument* doc = aBuilder->GetDocument();
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PRUint32 childCount = doc->GetChildCount();
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rv = doc->AppendChildTo(aNode, false);
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NS_ENSURE_SUCCESS(rv, rv);
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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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nsresult
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nsHtml5TreeOperation::Perform(nsHtml5TreeOpExecutor* aBuilder,
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nsIContent** aScriptElement)
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{
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nsresult rv = NS_OK;
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switch(mOpCode) {
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case eTreeOpAppend: {
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nsIContent* node = *(mOne.node);
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nsIContent* parent = *(mTwo.node);
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return Append(node, parent, aBuilder);
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}
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case eTreeOpDetach: {
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nsIContent* node = *(mOne.node);
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aBuilder->FlushPendingAppendNotifications();
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nsCOMPtr<nsIContent> parent = node->GetParent();
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if (parent) {
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nsHtml5OtherDocUpdate update(parent->OwnerDoc(),
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aBuilder->GetDocument());
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PRUint32 pos = parent->IndexOf(node);
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NS_ASSERTION((pos >= 0), "Element not found as child of its parent");
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rv = parent->RemoveChildAt(pos, true);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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return rv;
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}
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case eTreeOpAppendChildrenToNewParent: {
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nsCOMPtr<nsIContent> node = *(mOne.node);
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nsIContent* parent = *(mTwo.node);
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aBuilder->FlushPendingAppendNotifications();
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nsHtml5OtherDocUpdate update(parent->OwnerDoc(),
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aBuilder->GetDocument());
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PRUint32 childCount = parent->GetChildCount();
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bool didAppend = false;
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while (node->HasChildren()) {
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nsCOMPtr<nsIContent> child = node->GetFirstChild();
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rv = node->RemoveChildAt(0, true);
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NS_ENSURE_SUCCESS(rv, rv);
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rv = parent->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(parent, parent->GetChildAt(childCount),
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childCount);
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}
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return rv;
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}
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case eTreeOpFosterParent: {
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nsIContent* node = *(mOne.node);
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nsIContent* parent = *(mTwo.node);
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nsIContent* table = *(mThree.node);
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nsIContent* foster = table->GetParent();
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if (foster && foster->IsElement()) {
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aBuilder->FlushPendingAppendNotifications();
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nsHtml5OtherDocUpdate update(foster->OwnerDoc(),
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aBuilder->GetDocument());
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PRUint32 pos = foster->IndexOf(table);
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rv = foster->InsertChildAt(node, pos, false);
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NS_ENSURE_SUCCESS(rv, rv);
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nsNodeUtils::ContentInserted(foster, node, pos);
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return rv;
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}
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return Append(node, parent, aBuilder);
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}
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case eTreeOpAppendToDocument: {
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nsIContent* node = *(mOne.node);
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return AppendToDocument(node, aBuilder);
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}
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case eTreeOpAddAttributes: {
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dom::Element* node = (*(mOne.node))->AsElement();
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nsHtml5HtmlAttributes* attributes = mTwo.attributes;
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nsHtml5OtherDocUpdate update(node->OwnerDoc(),
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aBuilder->GetDocument());
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PRInt32 len = attributes->getLength();
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for (PRInt32 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 = Reget(attributes->getLocalName(i));
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PRInt32 nsuri = attributes->getURI(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, localName, attributes->getPrefix(i), *(attributes->getValue(i)), true);
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// XXX what to do with nsresult?
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}
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}
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return rv;
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}
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case eTreeOpCreateElementNetwork:
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case eTreeOpCreateElementNotNetwork: {
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nsIContent** target = mOne.node;
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PRInt32 ns = mFour.integer;
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nsCOMPtr<nsIAtom> name = Reget(mTwo.atom);
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nsHtml5HtmlAttributes* attributes = mThree.attributes;
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bool isKeygen = (name == nsHtml5Atoms::keygen && ns == kNameSpaceID_XHTML);
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if (NS_UNLIKELY(isKeygen)) {
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name = nsHtml5Atoms::select;
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}
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nsCOMPtr<nsIContent> newContent;
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nsCOMPtr<nsINodeInfo> nodeInfo = aBuilder->GetNodeInfoManager()->
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GetNodeInfo(name, nsnull, ns, nsIDOMNode::ELEMENT_NODE);
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NS_ASSERTION(nodeInfo, "Got null nodeinfo.");
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NS_NewElement(getter_AddRefs(newContent),
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nodeInfo.forget(),
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(mOpCode == eTreeOpCreateElementNetwork ?
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dom::FROM_PARSER_NETWORK
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: (aBuilder->BelongsToStringParser() ?
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dom::FROM_PARSER_FRAGMENT :
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dom::FROM_PARSER_DOCUMENT_WRITE)));
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NS_ASSERTION(newContent, "Element creation created null pointer.");
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aBuilder->HoldElement(*target = newContent);
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if (NS_UNLIKELY(name == nsHtml5Atoms::style || name == 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 (NS_UNLIKELY(isKeygen)) {
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// Adapted from CNavDTD
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nsCOMPtr<nsIFormProcessor> theFormProcessor =
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do_GetService(kFormProcessorCID, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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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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nsnull,
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theAttribute,
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false);
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nsCOMPtr<nsINodeInfo> optionNodeInfo =
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aBuilder->GetNodeInfoManager()->GetNodeInfo(nsHtml5Atoms::option,
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nsnull,
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kNameSpaceID_XHTML,
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nsIDOMNode::ELEMENT_NODE);
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for (PRUint32 i = 0; i < theContent.Length(); ++i) {
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nsCOMPtr<nsIContent> optionElt;
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nsCOMPtr<nsINodeInfo> ni = optionNodeInfo;
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NS_NewElement(getter_AddRefs(optionElt),
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ni.forget(),
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(mOpCode == eTreeOpCreateElementNetwork ?
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dom::FROM_PARSER_NETWORK
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: (aBuilder->BelongsToStringParser() ?
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dom::FROM_PARSER_FRAGMENT :
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dom::FROM_PARSER_DOCUMENT_WRITE)));
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nsCOMPtr<nsIContent> optionText;
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NS_NewTextNode(getter_AddRefs(optionText),
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aBuilder->GetNodeInfoManager());
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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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newContent->DoneAddingChildren(false);
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}
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} else if (name == nsHtml5Atoms::frameset && ns == kNameSpaceID_XHTML) {
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nsIDocument* doc = aBuilder->GetDocument();
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nsCOMPtr<nsIHTMLDocument> htmlDocument = do_QueryInterface(doc);
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if (htmlDocument) {
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// It seems harmless to call this multiple times, since this
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// is a simple field setter
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htmlDocument->SetIsFrameset(true);
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}
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}
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if (!attributes) {
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return rv;
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}
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PRInt32 len = attributes->getLength();
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for (PRInt32 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 = Reget(attributes->getLocalName(i));
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if (ns == kNameSpaceID_XHTML &&
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nsHtml5Atoms::a == name &&
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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(*(attributes->getValue(i)));
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NS_ConvertUTF8toUTF16 uv(nsUnescape(cname.BeginWriting()));
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newContent->SetAttr(attributes->getURI(i), localName,
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attributes->getPrefix(i), uv, false);
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} else {
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newContent->SetAttr(attributes->getURI(i), localName,
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attributes->getPrefix(i), *(attributes->getValue(i)), false);
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}
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}
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return rv;
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}
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case eTreeOpSetFormElement: {
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nsIContent* node = *(mOne.node);
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nsIContent* parent = *(mTwo.node);
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nsCOMPtr<nsIFormControl> formControl(do_QueryInterface(node));
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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(parent));
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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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!node->HasAttr(kNameSpaceID_None, nsGkAtoms::form)) {
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formControl->SetForm(formElement);
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}
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return rv;
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}
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case eTreeOpAppendText: {
|
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nsIContent* parent = *mOne.node;
|
|
PRUnichar* buffer = mTwo.unicharPtr;
|
|
PRUint32 length = mFour.integer;
|
|
return AppendText(buffer, length, parent, aBuilder);
|
|
}
|
|
case eTreeOpAppendIsindexPrompt: {
|
|
nsIContent* parent = *mOne.node;
|
|
nsXPIDLString prompt;
|
|
nsresult rv =
|
|
nsContentUtils::GetLocalizedString(nsContentUtils::eFORMS_PROPERTIES,
|
|
"IsIndexPromptWithSpace", prompt);
|
|
PRUint32 len = prompt.Length();
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
if (!len) {
|
|
// Don't bother appending a zero-length text node.
|
|
return NS_OK;
|
|
}
|
|
return AppendText(prompt.BeginReading(), len, parent, aBuilder);
|
|
}
|
|
case eTreeOpFosterParentText: {
|
|
nsIContent* stackParent = *mOne.node;
|
|
PRUnichar* buffer = mTwo.unicharPtr;
|
|
PRUint32 length = mFour.integer;
|
|
nsIContent* table = *mThree.node;
|
|
|
|
nsIContent* foster = table->GetParent();
|
|
|
|
if (foster && foster->IsElement()) {
|
|
aBuilder->FlushPendingAppendNotifications();
|
|
|
|
nsHtml5OtherDocUpdate update(foster->OwnerDoc(),
|
|
aBuilder->GetDocument());
|
|
|
|
PRUint32 pos = foster->IndexOf(table);
|
|
|
|
nsIContent* previousSibling = table->GetPreviousSibling();
|
|
if (previousSibling && previousSibling->IsNodeOfType(nsINode::eTEXT)) {
|
|
return AppendTextToTextNode(buffer,
|
|
length,
|
|
previousSibling,
|
|
aBuilder);
|
|
}
|
|
|
|
nsCOMPtr<nsIContent> text;
|
|
NS_NewTextNode(getter_AddRefs(text), aBuilder->GetNodeInfoManager());
|
|
NS_ASSERTION(text, "Infallible malloc failed?");
|
|
rv = text->SetText(buffer, length, 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(buffer, length, stackParent, aBuilder);
|
|
}
|
|
case eTreeOpAppendComment: {
|
|
nsIContent* parent = *mOne.node;
|
|
PRUnichar* buffer = mTwo.unicharPtr;
|
|
PRInt32 length = mFour.integer;
|
|
|
|
nsCOMPtr<nsIContent> comment;
|
|
NS_NewCommentNode(getter_AddRefs(comment), aBuilder->GetNodeInfoManager());
|
|
NS_ASSERTION(comment, "Infallible malloc failed?");
|
|
rv = comment->SetText(buffer, length, false);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
return Append(comment, parent, aBuilder);
|
|
}
|
|
case eTreeOpAppendCommentToDocument: {
|
|
PRUnichar* buffer = mTwo.unicharPtr;
|
|
PRInt32 length = mFour.integer;
|
|
|
|
nsCOMPtr<nsIContent> comment;
|
|
NS_NewCommentNode(getter_AddRefs(comment), aBuilder->GetNodeInfoManager());
|
|
NS_ASSERTION(comment, "Infallible malloc failed?");
|
|
rv = comment->SetText(buffer, length, false);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
return AppendToDocument(comment, aBuilder);
|
|
}
|
|
case eTreeOpAppendDoctypeToDocument: {
|
|
nsCOMPtr<nsIAtom> name = Reget(mOne.atom);
|
|
nsHtml5TreeOperationStringPair* pair = mTwo.stringPair;
|
|
nsString publicId;
|
|
nsString systemId;
|
|
pair->Get(publicId, systemId);
|
|
|
|
// Adapted from nsXMLContentSink
|
|
// Create a new doctype node
|
|
nsCOMPtr<nsIDOMDocumentType> docType;
|
|
nsAutoString voidString;
|
|
voidString.SetIsVoid(true);
|
|
NS_NewDOMDocumentType(getter_AddRefs(docType),
|
|
aBuilder->GetNodeInfoManager(),
|
|
name,
|
|
publicId,
|
|
systemId,
|
|
voidString);
|
|
NS_ASSERTION(docType, "Doctype creation failed.");
|
|
nsCOMPtr<nsIContent> asContent = do_QueryInterface(docType);
|
|
return AppendToDocument(asContent, aBuilder);
|
|
}
|
|
case eTreeOpMarkAsBroken: {
|
|
aBuilder->MarkAsBroken();
|
|
return rv;
|
|
}
|
|
case eTreeOpRunScript: {
|
|
nsIContent* node = *(mOne.node);
|
|
nsAHtml5TreeBuilderState* snapshot = mTwo.state;
|
|
if (snapshot) {
|
|
aBuilder->InitializeDocWriteParserState(snapshot, mFour.integer);
|
|
}
|
|
*aScriptElement = node;
|
|
return rv;
|
|
}
|
|
case eTreeOpRunScriptAsyncDefer: {
|
|
nsIContent* node = *(mOne.node);
|
|
aBuilder->RunScript(node);
|
|
return rv;
|
|
}
|
|
case eTreeOpDoneAddingChildren: {
|
|
nsIContent* node = *(mOne.node);
|
|
node->DoneAddingChildren(aBuilder->HaveNotified(node));
|
|
return rv;
|
|
}
|
|
case eTreeOpDoneCreatingElement: {
|
|
nsIContent* node = *(mOne.node);
|
|
node->DoneCreatingElement();
|
|
return rv;
|
|
}
|
|
case eTreeOpFlushPendingAppendNotifications: {
|
|
aBuilder->FlushPendingAppendNotifications();
|
|
return rv;
|
|
}
|
|
case eTreeOpSetDocumentCharset: {
|
|
char* str = mOne.charPtr;
|
|
PRInt32 charsetSource = mFour.integer;
|
|
nsDependentCString dependentString(str);
|
|
aBuilder->SetDocumentCharsetAndSource(dependentString, charsetSource);
|
|
return rv;
|
|
}
|
|
case eTreeOpNeedsCharsetSwitchTo: {
|
|
char* str = mOne.charPtr;
|
|
PRInt32 charsetSource = mFour.integer;
|
|
aBuilder->NeedsCharsetSwitchTo(str, charsetSource);
|
|
return rv;
|
|
}
|
|
case eTreeOpUpdateStyleSheet: {
|
|
nsIContent* node = *(mOne.node);
|
|
aBuilder->FlushPendingAppendNotifications();
|
|
aBuilder->UpdateStyleSheet(node);
|
|
return rv;
|
|
}
|
|
case eTreeOpProcessMeta: {
|
|
nsIContent* node = *(mOne.node);
|
|
rv = aBuilder->ProcessMETATag(node);
|
|
return rv;
|
|
}
|
|
case eTreeOpProcessOfflineManifest: {
|
|
PRUnichar* str = mOne.unicharPtr;
|
|
nsDependentString dependentString(str);
|
|
aBuilder->ProcessOfflineManifest(dependentString);
|
|
return rv;
|
|
}
|
|
case eTreeOpMarkMalformedIfScript: {
|
|
nsIContent* node = *(mOne.node);
|
|
nsCOMPtr<nsIScriptElement> sele = do_QueryInterface(node);
|
|
if (sele) {
|
|
// Make sure to serialize this script correctly, for nice round tripping.
|
|
sele->SetIsMalformed();
|
|
}
|
|
return rv;
|
|
}
|
|
case eTreeOpStreamEnded: {
|
|
aBuilder->DidBuildModel(false); // this causes a notifications flush anyway
|
|
return rv;
|
|
}
|
|
case eTreeOpStartLayout: {
|
|
aBuilder->StartLayout(); // this causes a notification flush anyway
|
|
return rv;
|
|
}
|
|
case eTreeOpDocumentMode: {
|
|
aBuilder->SetDocumentMode(mOne.mode);
|
|
return rv;
|
|
}
|
|
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 rv;
|
|
}
|
|
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 rv;
|
|
}
|
|
case eTreeOpSvgLoad: {
|
|
nsIContent* node = *(mOne.node);
|
|
nsCOMPtr<nsIRunnable> event = new nsHtml5SVGLoadDispatcher(node);
|
|
if (NS_FAILED(NS_DispatchToMainThread(event))) {
|
|
NS_WARNING("failed to dispatch svg load dispatcher");
|
|
}
|
|
return rv;
|
|
}
|
|
case eTreeOpAddClass: {
|
|
nsIContent* node = *(mOne.node);
|
|
PRUnichar* 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 rv;
|
|
}
|
|
case eTreeOpAddLineNumberId: {
|
|
nsIContent* node = *(mOne.node);
|
|
PRInt32 lineNumber = mFour.integer;
|
|
nsAutoString val(NS_LITERAL_STRING("line"));
|
|
val.AppendInt(lineNumber);
|
|
node->SetAttr(kNameSpaceID_None, nsGkAtoms::id, val, true);
|
|
return rv;
|
|
}
|
|
case eTreeOpAddViewSourceHref: {
|
|
nsIContent* node = *mOne.node;
|
|
PRUnichar* buffer = mTwo.unicharPtr;
|
|
PRInt32 length = mFour.integer;
|
|
|
|
nsDependentString relative(buffer, length);
|
|
|
|
nsIDocument* doc = aBuilder->GetDocument();
|
|
|
|
const nsCString& charset = doc->GetDocumentCharacterSet();
|
|
nsCOMPtr<nsIURI> uri;
|
|
rv = NS_NewURI(getter_AddRefs(uri),
|
|
relative,
|
|
charset.get(),
|
|
aBuilder->GetViewSourceBaseURI());
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// 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;
|
|
}
|
|
|
|
nsCAutoString 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:");
|
|
}
|
|
|
|
nsCAutoString 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.Append(NS_LITERAL_STRING(" error"));
|
|
node->SetAttr(kNameSpaceID_None, nsGkAtoms::_class, klass, true);
|
|
} else {
|
|
node->SetAttr(kNameSpaceID_None,
|
|
nsGkAtoms::_class,
|
|
NS_LITERAL_STRING("error"),
|
|
true);
|
|
}
|
|
|
|
nsXPIDLString message;
|
|
if (otherAtom) {
|
|
const PRUnichar* params[] = { atom->GetUTF16String(),
|
|
otherAtom->GetUTF16String() };
|
|
rv = nsContentUtils::FormatLocalizedString(
|
|
nsContentUtils::eHTMLPARSER_PROPERTIES, msgId, params, 2, message);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
} else if (atom) {
|
|
const PRUnichar* params[] = { atom->GetUTF16String() };
|
|
rv = nsContentUtils::FormatLocalizedString(
|
|
nsContentUtils::eHTMLPARSER_PROPERTIES, msgId, params, 1, message);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
} else {
|
|
rv = nsContentUtils::GetLocalizedString(
|
|
nsContentUtils::eHTMLPARSER_PROPERTIES, msgId, message);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
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;
|
|
}
|
|
default: {
|
|
NS_NOTREACHED("Bogus tree op");
|
|
}
|
|
}
|
|
return rv; // keep compiler happy
|
|
}
|