/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=2 sw=2 et tw=78: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "nsError.h" #include "nsIPresShell.h" #include "nsNodeUtils.h" #include "nsIFrame.h" #include "mozilla/Likely.h" #include "mozilla/UniquePtr.h" nsHtml5TreeBuilder::nsHtml5TreeBuilder(nsHtml5OplessBuilder* aBuilder) : scriptingEnabled(false) , fragment(false) , contextName(nullptr) , contextNamespace(kNameSpaceID_None) , contextNode(nullptr) , formPointer(nullptr) , headPointer(nullptr) , mBuilder(aBuilder) , mViewSource(nullptr) , mOpSink(nullptr) , mHandles(nullptr) , mHandlesUsed(0) , mSpeculativeLoadStage(nullptr) , mBroken(NS_OK) , mCurrentHtmlScriptIsAsyncOrDefer(false) , mPreventScriptExecution(false) #ifdef DEBUG , mActive(false) #endif { MOZ_COUNT_CTOR(nsHtml5TreeBuilder); } nsHtml5TreeBuilder::nsHtml5TreeBuilder(nsAHtml5TreeOpSink* aOpSink, nsHtml5TreeOpStage* aStage) : scriptingEnabled(false) , fragment(false) , contextName(nullptr) , contextNamespace(kNameSpaceID_None) , contextNode(nullptr) , formPointer(nullptr) , headPointer(nullptr) , mBuilder(nullptr) , mViewSource(nullptr) , mOpSink(aOpSink) , mHandles(new nsIContent*[NS_HTML5_TREE_BUILDER_HANDLE_ARRAY_LENGTH]) , mHandlesUsed(0) , mSpeculativeLoadStage(aStage) , mBroken(NS_OK) , mCurrentHtmlScriptIsAsyncOrDefer(false) , mPreventScriptExecution(false) #ifdef DEBUG , mActive(false) #endif { MOZ_COUNT_CTOR(nsHtml5TreeBuilder); } nsHtml5TreeBuilder::~nsHtml5TreeBuilder() { MOZ_COUNT_DTOR(nsHtml5TreeBuilder); NS_ASSERTION(!mActive, "nsHtml5TreeBuilder deleted without ever calling end() on it!"); mOpQueue.Clear(); } nsIContentHandle* nsHtml5TreeBuilder::createElement(int32_t aNamespace, nsIAtom* aName, nsHtml5HtmlAttributes* aAttributes, nsIContentHandle* aIntendedParent, nsHtml5ContentCreatorFunction aCreator) { NS_PRECONDITION(aAttributes, "Got null attributes."); NS_PRECONDITION(aName, "Got null name."); NS_PRECONDITION(aNamespace == kNameSpaceID_XHTML || aNamespace == kNameSpaceID_SVG || aNamespace == kNameSpaceID_MathML, "Bogus namespace."); if (mBuilder) { nsCOMPtr name = nsHtml5TreeOperation::Reget(aName); nsIContent* intendedParent = aIntendedParent ? static_cast(aIntendedParent) : nullptr; // intendedParent == nullptr is a special case where the // intended parent is the document. nsNodeInfoManager* nodeInfoManager = intendedParent ? intendedParent->OwnerDoc()->NodeInfoManager() : mBuilder->GetNodeInfoManager(); nsIContent* elem; if (aNamespace == kNameSpaceID_XHTML) { elem = nsHtml5TreeOperation::CreateHTMLElement( name, aAttributes, mozilla::dom::FROM_PARSER_FRAGMENT, nodeInfoManager, mBuilder, aCreator.html); } else if (aNamespace == kNameSpaceID_SVG) { elem = nsHtml5TreeOperation::CreateSVGElement( name, aAttributes, mozilla::dom::FROM_PARSER_FRAGMENT, nodeInfoManager, mBuilder, aCreator.svg); } else { MOZ_ASSERT(aNamespace == kNameSpaceID_MathML); elem = nsHtml5TreeOperation::CreateMathMLElement( name, aAttributes, nodeInfoManager, mBuilder); } if (MOZ_UNLIKELY(aAttributes != tokenizer->GetAttributes() && aAttributes != nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES)) { delete aAttributes; } return elem; } nsIContentHandle* content = AllocateContentHandle(); nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(aNamespace, aName, aAttributes, content, aIntendedParent, !!mSpeculativeLoadStage, aCreator); // mSpeculativeLoadStage is non-null only in the off-the-main-thread // tree builder, which handles the network stream // Start wall of code for speculative loading and line numbers if (mSpeculativeLoadStage) { switch (aNamespace) { case kNameSpaceID_XHTML: if (nsHtml5Atoms::img == aName) { nsHtml5String url = aAttributes->getValue(nsHtml5AttributeName::ATTR_SRC); nsHtml5String srcset = aAttributes->getValue(nsHtml5AttributeName::ATTR_SRCSET); nsHtml5String crossOrigin = aAttributes->getValue(nsHtml5AttributeName::ATTR_CROSSORIGIN); nsHtml5String referrerPolicy = aAttributes->getValue(nsHtml5AttributeName::ATTR_REFERRERPOLICY); nsHtml5String sizes = aAttributes->getValue(nsHtml5AttributeName::ATTR_SIZES); mSpeculativeLoadQueue.AppendElement()->InitImage( url, crossOrigin, referrerPolicy, srcset, sizes); } else if (nsHtml5Atoms::source == aName) { nsHtml5String srcset = aAttributes->getValue(nsHtml5AttributeName::ATTR_SRCSET); // Sources without srcset cannot be selected. The source could also be // for a media element, but in that context doesn't use srcset. See // comments in nsHtml5SpeculativeLoad.h about preloading if (srcset) { nsHtml5String sizes = aAttributes->getValue(nsHtml5AttributeName::ATTR_SIZES); nsHtml5String type = aAttributes->getValue(nsHtml5AttributeName::ATTR_TYPE); nsHtml5String media = aAttributes->getValue(nsHtml5AttributeName::ATTR_MEDIA); mSpeculativeLoadQueue.AppendElement()->InitPictureSource( srcset, sizes, type, media); } } else if (nsHtml5Atoms::script == aName) { nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpSetScriptLineNumberAndFreeze, content, tokenizer->getLineNumber()); nsHtml5String url = aAttributes->getValue(nsHtml5AttributeName::ATTR_SRC); if (url) { nsHtml5String charset = aAttributes->getValue(nsHtml5AttributeName::ATTR_CHARSET); nsHtml5String type = aAttributes->getValue(nsHtml5AttributeName::ATTR_TYPE); nsHtml5String crossOrigin = aAttributes->getValue(nsHtml5AttributeName::ATTR_CROSSORIGIN); nsHtml5String integrity = aAttributes->getValue(nsHtml5AttributeName::ATTR_INTEGRITY); bool async = aAttributes->contains(nsHtml5AttributeName::ATTR_ASYNC); bool defer = aAttributes->contains(nsHtml5AttributeName::ATTR_DEFER); bool noModule = aAttributes->contains(nsHtml5AttributeName::ATTR_NOMODULE); mSpeculativeLoadQueue.AppendElement()->InitScript( url, charset, type, crossOrigin, integrity, mode == nsHtml5TreeBuilder::IN_HEAD, async, defer, noModule); mCurrentHtmlScriptIsAsyncOrDefer = async || defer; } } else if (nsHtml5Atoms::link == aName) { nsHtml5String rel = aAttributes->getValue(nsHtml5AttributeName::ATTR_REL); // Not splitting on space here is bogus but the old parser didn't even // do a case-insensitive check. if (rel) { if (rel.LowerCaseEqualsASCII("stylesheet")) { nsHtml5String url = aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF); if (url) { nsHtml5String charset = aAttributes->getValue(nsHtml5AttributeName::ATTR_CHARSET); nsHtml5String crossOrigin = aAttributes->getValue(nsHtml5AttributeName::ATTR_CROSSORIGIN); nsHtml5String integrity = aAttributes->getValue(nsHtml5AttributeName::ATTR_INTEGRITY); mSpeculativeLoadQueue.AppendElement()->InitStyle( url, charset, crossOrigin, integrity); } } else if (rel.LowerCaseEqualsASCII("preconnect")) { nsHtml5String url = aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF); if (url) { nsHtml5String crossOrigin = aAttributes->getValue(nsHtml5AttributeName::ATTR_CROSSORIGIN); mSpeculativeLoadQueue.AppendElement()->InitPreconnect( url, crossOrigin); } } } } else if (nsHtml5Atoms::video == aName) { nsHtml5String url = aAttributes->getValue(nsHtml5AttributeName::ATTR_POSTER); if (url) { mSpeculativeLoadQueue.AppendElement()->InitImage( url, nullptr, nullptr, nullptr, nullptr); } } else if (nsHtml5Atoms::style == aName) { nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpSetStyleLineNumber, content, tokenizer->getLineNumber()); } else if (nsHtml5Atoms::html == aName) { nsHtml5String url = aAttributes->getValue(nsHtml5AttributeName::ATTR_MANIFEST); mSpeculativeLoadQueue.AppendElement()->InitManifest(url); } else if (nsHtml5Atoms::base == aName) { nsHtml5String url = aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF); if (url) { mSpeculativeLoadQueue.AppendElement()->InitBase(url); } } else if (nsHtml5Atoms::meta == aName) { if (nsHtml5Portability::lowerCaseLiteralEqualsIgnoreAsciiCaseString( "content-security-policy", aAttributes->getValue(nsHtml5AttributeName::ATTR_HTTP_EQUIV))) { nsHtml5String csp = aAttributes->getValue(nsHtml5AttributeName::ATTR_CONTENT); if (csp) { mSpeculativeLoadQueue.AppendElement()->InitMetaCSP(csp); } } else if (nsHtml5Portability::lowerCaseLiteralEqualsIgnoreAsciiCaseString( "referrer", aAttributes->getValue(nsHtml5AttributeName::ATTR_NAME))) { nsHtml5String referrerPolicy = aAttributes->getValue(nsHtml5AttributeName::ATTR_CONTENT); if (referrerPolicy) { mSpeculativeLoadQueue.AppendElement()->InitMetaReferrerPolicy( referrerPolicy); } } } break; case kNameSpaceID_SVG: if (nsHtml5Atoms::image == aName) { nsHtml5String url = aAttributes->getValue(nsHtml5AttributeName::ATTR_XLINK_HREF); if (url) { mSpeculativeLoadQueue.AppendElement()->InitImage( url, nullptr, nullptr, nullptr, nullptr); } } else if (nsHtml5Atoms::script == aName) { nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpSetScriptLineNumberAndFreeze, content, tokenizer->getLineNumber()); nsHtml5String url = aAttributes->getValue(nsHtml5AttributeName::ATTR_XLINK_HREF); if (url) { nsHtml5String type = aAttributes->getValue(nsHtml5AttributeName::ATTR_TYPE); nsHtml5String crossOrigin = aAttributes->getValue(nsHtml5AttributeName::ATTR_CROSSORIGIN); nsHtml5String integrity = aAttributes->getValue(nsHtml5AttributeName::ATTR_INTEGRITY); mSpeculativeLoadQueue.AppendElement()->InitScript( url, nullptr, type, crossOrigin, integrity, mode == nsHtml5TreeBuilder::IN_HEAD, false /* async */, false /* defer */, false /* noModule */); } } else if (nsHtml5Atoms::style == aName) { nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpSetStyleLineNumber, content, tokenizer->getLineNumber()); nsHtml5String url = aAttributes->getValue(nsHtml5AttributeName::ATTR_XLINK_HREF); if (url) { nsHtml5String crossOrigin = aAttributes->getValue(nsHtml5AttributeName::ATTR_CROSSORIGIN); nsHtml5String integrity = aAttributes->getValue(nsHtml5AttributeName::ATTR_INTEGRITY); mSpeculativeLoadQueue.AppendElement()->InitStyle( url, nullptr, crossOrigin, integrity); } } break; } } else if (aNamespace != kNameSpaceID_MathML) { // No speculative loader--just line numbers and defer/async check if (nsHtml5Atoms::style == aName) { nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpSetStyleLineNumber, content, tokenizer->getLineNumber()); } else if (nsHtml5Atoms::script == aName) { nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpSetScriptLineNumberAndFreeze, content, tokenizer->getLineNumber()); if (aNamespace == kNameSpaceID_XHTML) { mCurrentHtmlScriptIsAsyncOrDefer = aAttributes->contains(nsHtml5AttributeName::ATTR_SRC) && (aAttributes->contains(nsHtml5AttributeName::ATTR_ASYNC) || aAttributes->contains(nsHtml5AttributeName::ATTR_DEFER)); } } else if (aNamespace == kNameSpaceID_XHTML) { if (nsHtml5Atoms::html == aName) { nsHtml5String url = aAttributes->getValue(nsHtml5AttributeName::ATTR_MANIFEST); nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); if (url) { nsString urlString; // Not Auto, because using it to hold nsStringBuffer* url.ToString(urlString); treeOp->Init(eTreeOpProcessOfflineManifest, urlString); } else { treeOp->Init(eTreeOpProcessOfflineManifest, EmptyString()); } } else if (nsHtml5Atoms::base == aName && mViewSource) { nsHtml5String url = aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF); if (url) { mViewSource->AddBase(url); } } } } // End wall of code for speculative loading return content; } nsIContentHandle* nsHtml5TreeBuilder::createElement(int32_t aNamespace, nsIAtom* aName, nsHtml5HtmlAttributes* aAttributes, nsIContentHandle* aFormElement, nsIContentHandle* aIntendedParent, nsHtml5ContentCreatorFunction aCreator) { nsIContentHandle* content = createElement(aNamespace, aName, aAttributes, aIntendedParent, aCreator); if (aFormElement) { if (mBuilder) { nsHtml5TreeOperation::SetFormElement(static_cast(content), static_cast(aFormElement)); } else { nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpSetFormElement, content, aFormElement); } } return content; } nsIContentHandle* nsHtml5TreeBuilder::createHtmlElementSetAsRoot(nsHtml5HtmlAttributes* aAttributes) { nsHtml5ContentCreatorFunction creator; // uses NS_NewHTMLSharedElement creator creator.html = NS_NewHTMLSharedElement; nsIContentHandle* content = createElement( kNameSpaceID_XHTML, nsHtml5Atoms::html, aAttributes, nullptr, creator); if (mBuilder) { nsresult rv = nsHtml5TreeOperation::AppendToDocument(static_cast(content), mBuilder); if (NS_FAILED(rv)) { MarkAsBrokenAndRequestSuspension(rv); } } else { nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpAppendToDocument, content); } return content; } nsIContentHandle* nsHtml5TreeBuilder::createAndInsertFosterParentedElement(int32_t aNamespace, nsIAtom* aName, nsHtml5HtmlAttributes* aAttributes, nsIContentHandle* aFormElement, nsIContentHandle* aTable, nsIContentHandle* aStackParent, nsHtml5ContentCreatorFunction aCreator) { NS_PRECONDITION(aTable, "Null table"); NS_PRECONDITION(aStackParent, "Null stack parent"); if (mBuilder) { // Get the foster parent to use as the intended parent when creating // the child element. nsIContent* fosterParent = nsHtml5TreeOperation::GetFosterParent( static_cast(aTable), static_cast(aStackParent)); nsIContentHandle* child = createElement( aNamespace, aName, aAttributes, aFormElement, fosterParent, aCreator); insertFosterParentedChild(child, aTable, aStackParent); return child; } // Tree op to get the foster parent that we use as the intended parent // when creating the child element. nsHtml5TreeOperation* fosterParentTreeOp = mOpQueue.AppendElement(); NS_ASSERTION(fosterParentTreeOp, "Tree op allocation failed."); nsIContentHandle* fosterParentHandle = AllocateContentHandle(); fosterParentTreeOp->Init(eTreeOpGetFosterParent, aTable, aStackParent, fosterParentHandle); // Create the element with the correct intended parent. nsIContentHandle* child = createElement( aNamespace, aName, aAttributes, aFormElement, fosterParentHandle, aCreator); // Insert the child into the foster parent. insertFosterParentedChild(child, aTable, aStackParent); return child; } void nsHtml5TreeBuilder::detachFromParent(nsIContentHandle* aElement) { NS_PRECONDITION(aElement, "Null element"); if (mBuilder) { nsHtml5TreeOperation::Detach(static_cast(aElement), mBuilder); return; } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpDetach, aElement); } void nsHtml5TreeBuilder::appendElement(nsIContentHandle* aChild, nsIContentHandle* aParent) { NS_PRECONDITION(aChild, "Null child"); NS_PRECONDITION(aParent, "Null parent"); if (deepTreeSurrogateParent) { return; } if (mBuilder) { nsresult rv = nsHtml5TreeOperation::Append(static_cast(aChild), static_cast(aParent), mBuilder); if (NS_FAILED(rv)) { MarkAsBrokenAndRequestSuspension(rv); } return; } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpAppend, aChild, aParent); } void nsHtml5TreeBuilder::appendChildrenToNewParent(nsIContentHandle* aOldParent, nsIContentHandle* aNewParent) { NS_PRECONDITION(aOldParent, "Null old parent"); NS_PRECONDITION(aNewParent, "Null new parent"); if (mBuilder) { nsresult rv = nsHtml5TreeOperation::AppendChildrenToNewParent( static_cast(aOldParent), static_cast(aNewParent), mBuilder); if (NS_FAILED(rv)) { MarkAsBrokenAndRequestSuspension(rv); } return; } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpAppendChildrenToNewParent, aOldParent, aNewParent); } void nsHtml5TreeBuilder::insertFosterParentedCharacters(char16_t* aBuffer, int32_t aStart, int32_t aLength, nsIContentHandle* aTable, nsIContentHandle* aStackParent) { NS_PRECONDITION(aBuffer, "Null buffer"); NS_PRECONDITION(aTable, "Null table"); NS_PRECONDITION(aStackParent, "Null stack parent"); MOZ_ASSERT(!aStart, "aStart must always be zero."); if (mBuilder) { nsresult rv = nsHtml5TreeOperation::FosterParentText( static_cast(aStackParent), aBuffer, // XXX aStart always ignored??? aLength, static_cast(aTable), mBuilder); if (NS_FAILED(rv)) { MarkAsBrokenAndRequestSuspension(rv); } return; } char16_t* bufferCopy = new (mozilla::fallible) char16_t[aLength]; if (!bufferCopy) { // Just assigning mBroken instead of generating tree op. The caller // of tokenizeBuffer() will call MarkAsBroken() as appropriate. mBroken = NS_ERROR_OUT_OF_MEMORY; requestSuspension(); return; } memcpy(bufferCopy, aBuffer, aLength * sizeof(char16_t)); nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpFosterParentText, bufferCopy, aLength, aStackParent, aTable); } void nsHtml5TreeBuilder::insertFosterParentedChild(nsIContentHandle* aChild, nsIContentHandle* aTable, nsIContentHandle* aStackParent) { NS_PRECONDITION(aChild, "Null child"); NS_PRECONDITION(aTable, "Null table"); NS_PRECONDITION(aStackParent, "Null stack parent"); if (mBuilder) { nsresult rv = nsHtml5TreeOperation::FosterParent( static_cast(aChild), static_cast(aStackParent), static_cast(aTable), mBuilder); if (NS_FAILED(rv)) { MarkAsBrokenAndRequestSuspension(rv); } return; } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpFosterParent, aChild, aStackParent, aTable); } void nsHtml5TreeBuilder::appendCharacters(nsIContentHandle* aParent, char16_t* aBuffer, int32_t aStart, int32_t aLength) { NS_PRECONDITION(aBuffer, "Null buffer"); NS_PRECONDITION(aParent, "Null parent"); MOZ_ASSERT(!aStart, "aStart must always be zero."); if (mBuilder) { nsresult rv = nsHtml5TreeOperation::AppendText( aBuffer, // XXX aStart always ignored??? aLength, static_cast(deepTreeSurrogateParent ? deepTreeSurrogateParent : aParent), mBuilder); if (NS_FAILED(rv)) { MarkAsBrokenAndRequestSuspension(rv); } return; } char16_t* bufferCopy = new (mozilla::fallible) char16_t[aLength]; if (!bufferCopy) { // Just assigning mBroken instead of generating tree op. The caller // of tokenizeBuffer() will call MarkAsBroken() as appropriate. mBroken = NS_ERROR_OUT_OF_MEMORY; requestSuspension(); return; } memcpy(bufferCopy, aBuffer, aLength * sizeof(char16_t)); nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpAppendText, bufferCopy, aLength, deepTreeSurrogateParent ? deepTreeSurrogateParent : aParent); } void nsHtml5TreeBuilder::appendIsindexPrompt(nsIContentHandle* aParent) { NS_PRECONDITION(aParent, "Null parent"); if (mBuilder) { nsresult rv = nsHtml5TreeOperation::AppendIsindexPrompt( static_cast(aParent), mBuilder); if (NS_FAILED(rv)) { MarkAsBrokenAndRequestSuspension(rv); } return; } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpAppendIsindexPrompt, aParent); } void nsHtml5TreeBuilder::appendComment(nsIContentHandle* aParent, char16_t* aBuffer, int32_t aStart, int32_t aLength) { NS_PRECONDITION(aBuffer, "Null buffer"); NS_PRECONDITION(aParent, "Null parent"); MOZ_ASSERT(!aStart, "aStart must always be zero."); if (deepTreeSurrogateParent) { return; } if (mBuilder) { nsresult rv = nsHtml5TreeOperation::AppendComment( static_cast(aParent), aBuffer, // XXX aStart always ignored??? aLength, mBuilder); if (NS_FAILED(rv)) { MarkAsBrokenAndRequestSuspension(rv); } return; } char16_t* bufferCopy = new (mozilla::fallible) char16_t[aLength]; if (!bufferCopy) { // Just assigning mBroken instead of generating tree op. The caller // of tokenizeBuffer() will call MarkAsBroken() as appropriate. mBroken = NS_ERROR_OUT_OF_MEMORY; requestSuspension(); return; } memcpy(bufferCopy, aBuffer, aLength * sizeof(char16_t)); nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpAppendComment, bufferCopy, aLength, aParent); } void nsHtml5TreeBuilder::appendCommentToDocument(char16_t* aBuffer, int32_t aStart, int32_t aLength) { NS_PRECONDITION(aBuffer, "Null buffer"); MOZ_ASSERT(!aStart, "aStart must always be zero."); if (mBuilder) { nsresult rv = nsHtml5TreeOperation::AppendCommentToDocument( aBuffer, // XXX aStart always ignored??? aLength, mBuilder); if (NS_FAILED(rv)) { MarkAsBrokenAndRequestSuspension(rv); } return; } char16_t* bufferCopy = new (mozilla::fallible) char16_t[aLength]; if (!bufferCopy) { // Just assigning mBroken instead of generating tree op. The caller // of tokenizeBuffer() will call MarkAsBroken() as appropriate. mBroken = NS_ERROR_OUT_OF_MEMORY; requestSuspension(); return; } memcpy(bufferCopy, aBuffer, aLength * sizeof(char16_t)); nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpAppendCommentToDocument, bufferCopy, aLength); } void nsHtml5TreeBuilder::addAttributesToElement(nsIContentHandle* aElement, nsHtml5HtmlAttributes* aAttributes) { NS_PRECONDITION(aElement, "Null element"); NS_PRECONDITION(aAttributes, "Null attributes"); if (aAttributes == nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES) { return; } if (mBuilder) { MOZ_ASSERT(aAttributes == tokenizer->GetAttributes(), "Using attribute other than the tokenizer's to add to body or html."); nsresult rv = nsHtml5TreeOperation::AddAttributes( static_cast(aElement), aAttributes, mBuilder); if (NS_FAILED(rv)) { MarkAsBrokenAndRequestSuspension(rv); } return; } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(aElement, aAttributes); } void nsHtml5TreeBuilder::markMalformedIfScript(nsIContentHandle* aElement) { NS_PRECONDITION(aElement, "Null element"); if (mBuilder) { nsHtml5TreeOperation::MarkMalformedIfScript( static_cast(aElement)); return; } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpMarkMalformedIfScript, aElement); } void nsHtml5TreeBuilder::start(bool fragment) { mCurrentHtmlScriptIsAsyncOrDefer = false; deepTreeSurrogateParent = nullptr; #ifdef DEBUG mActive = true; #endif } void nsHtml5TreeBuilder::end() { mOpQueue.Clear(); #ifdef DEBUG mActive = false; #endif } void nsHtml5TreeBuilder::appendDoctypeToDocument(nsIAtom* aName, nsHtml5String aPublicId, nsHtml5String aSystemId) { NS_PRECONDITION(aName, "Null name"); nsString publicId; // Not Auto, because using it to hold nsStringBuffer* nsString systemId; // Not Auto, because using it to hold nsStringBuffer* aPublicId.ToString(publicId); aSystemId.ToString(systemId); if (mBuilder) { nsCOMPtr name = nsHtml5TreeOperation::Reget(aName); nsresult rv = nsHtml5TreeOperation::AppendDoctypeToDocument( name, publicId, systemId, mBuilder); if (NS_FAILED(rv)) { MarkAsBrokenAndRequestSuspension(rv); } return; } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(aName, publicId, systemId); // nsXMLContentSink can flush here, but what's the point? // It can also interrupt here, but we can't. } void nsHtml5TreeBuilder::elementPushed(int32_t aNamespace, nsIAtom* aName, nsIContentHandle* aElement) { NS_ASSERTION(aNamespace == kNameSpaceID_XHTML || aNamespace == kNameSpaceID_SVG || aNamespace == kNameSpaceID_MathML, "Element isn't HTML, SVG or MathML!"); NS_ASSERTION(aName, "Element doesn't have local name!"); NS_ASSERTION(aElement, "No element!"); /* * The frame constructor uses recursive algorithms, so it can't deal with * arbitrarily deep trees. This is especially a problem on Windows where * the permitted depth of the runtime stack is rather small. * * The following is a protection against author incompetence--not against * malice. There are other ways to make the DOM deep anyway. * * The basic idea is that when the tree builder stack gets too deep, * append operations no longer append to the node that the HTML parsing * algorithm says they should but instead text nodes are append to the last * element that was seen before a magic tree builder stack threshold was * reached and element and comment nodes aren't appended to the DOM at all. * * However, for security reasons, non-child descendant text nodes inside an * SVG script or style element should not become children. Also, non-cell * table elements shouldn't be used as surrogate parents for user experience * reasons. */ if (!deepTreeSurrogateParent && currentPtr >= MAX_REFLOW_DEPTH && !(aName == nsHtml5Atoms::script || aName == nsHtml5Atoms::table || aName == nsHtml5Atoms::thead || aName == nsHtml5Atoms::tfoot || aName == nsHtml5Atoms::tbody || aName == nsHtml5Atoms::tr || aName == nsHtml5Atoms::colgroup || aName == nsHtml5Atoms::style)) { deepTreeSurrogateParent = aElement; } if (aNamespace != kNameSpaceID_XHTML) { return; } if (aName == nsHtml5Atoms::body || aName == nsHtml5Atoms::frameset) { if (mBuilder) { // InnerHTML and DOMParser shouldn't start layout anyway return; } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpStartLayout); return; } if (aName == nsHtml5Atoms::input || aName == nsHtml5Atoms::button) { if (mBuilder) { nsHtml5TreeOperation::DoneCreatingElement(static_cast(aElement)); } else { mOpQueue.AppendElement()->Init(eTreeOpDoneCreatingElement, aElement); } return; } if (aName == nsHtml5Atoms::audio || aName == nsHtml5Atoms::video || aName == nsHtml5Atoms::menuitem) { if (mBuilder) { nsHtml5TreeOperation::DoneCreatingElement(static_cast(aElement)); } else { mOpQueue.AppendElement()->Init(eTreeOpDoneCreatingElement, aElement); } return; } if (mSpeculativeLoadStage && aName == nsHtml5Atoms::picture) { // mSpeculativeLoadStage is non-null only in the off-the-main-thread // tree builder, which handles the network stream // // See comments in nsHtml5SpeculativeLoad.h about preloading mSpeculativeLoadQueue.AppendElement()->InitOpenPicture(); } } void nsHtml5TreeBuilder::elementPopped(int32_t aNamespace, nsIAtom* aName, nsIContentHandle* aElement) { NS_ASSERTION(aNamespace == kNameSpaceID_XHTML || aNamespace == kNameSpaceID_SVG || aNamespace == kNameSpaceID_MathML, "Element isn't HTML, SVG or MathML!"); NS_ASSERTION(aName, "Element doesn't have local name!"); NS_ASSERTION(aElement, "No element!"); if (deepTreeSurrogateParent && currentPtr <= MAX_REFLOW_DEPTH) { deepTreeSurrogateParent = nullptr; } if (aNamespace == kNameSpaceID_MathML) { return; } // we now have only SVG and HTML if (aName == nsHtml5Atoms::script) { if (mPreventScriptExecution) { if (mBuilder) { nsHtml5TreeOperation::PreventScriptExecution(static_cast(aElement)); return; } mOpQueue.AppendElement()->Init(eTreeOpPreventScriptExecution, aElement); return; } if (mBuilder) { return; } if (mCurrentHtmlScriptIsAsyncOrDefer) { NS_ASSERTION(aNamespace == kNameSpaceID_XHTML, "Only HTML scripts may be async/defer."); nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpRunScriptAsyncDefer, aElement); mCurrentHtmlScriptIsAsyncOrDefer = false; return; } requestSuspension(); nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->InitScript(aElement); return; } if (aName == nsHtml5Atoms::title) { if (mBuilder) { nsHtml5TreeOperation::DoneAddingChildren(static_cast(aElement)); return; } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpDoneAddingChildren, aElement); return; } if (aName == nsHtml5Atoms::style || (aNamespace == kNameSpaceID_XHTML && aName == nsHtml5Atoms::link)) { if (mBuilder) { MOZ_ASSERT(!nsContentUtils::IsSafeToRunScript(), "Scripts must be blocked."); mBuilder->UpdateStyleSheet(static_cast(aElement)); return; } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpUpdateStyleSheet, aElement); return; } if (aNamespace == kNameSpaceID_SVG) { if (aName == nsHtml5Atoms::svg) { if (!scriptingEnabled || mPreventScriptExecution) { return; } if (mBuilder) { nsHtml5TreeOperation::SvgLoad(static_cast(aElement)); return; } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpSvgLoad, aElement); } return; } // we now have only HTML // Some HTML nodes need DoneAddingChildren() called to initialize // properly (e.g. form state restoration). // XXX expose ElementName group here and do switch if (aName == nsHtml5Atoms::object || aName == nsHtml5Atoms::applet || aName == nsHtml5Atoms::select || aName == nsHtml5Atoms::textarea || aName == nsHtml5Atoms::output) { if (mBuilder) { nsHtml5TreeOperation::DoneAddingChildren(static_cast(aElement)); return; } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpDoneAddingChildren, aElement); return; } if (aName == nsHtml5Atoms::meta && !fragment && !mBuilder) { nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpProcessMeta, aElement); return; } if (mSpeculativeLoadStage && aName == nsHtml5Atoms::picture) { // mSpeculativeLoadStage is non-null only in the off-the-main-thread // tree builder, which handles the network stream // // See comments in nsHtml5SpeculativeLoad.h about preloading mSpeculativeLoadQueue.AppendElement()->InitEndPicture(); } return; } void nsHtml5TreeBuilder::accumulateCharacters(const char16_t* aBuf, int32_t aStart, int32_t aLength) { MOZ_RELEASE_ASSERT(charBufferLen + aLength <= charBuffer.length, "About to memcpy past the end of the buffer!"); memcpy(charBuffer + charBufferLen, aBuf + aStart, sizeof(char16_t) * aLength); charBufferLen += aLength; } // INT32_MAX is (2^31)-1. Therefore, the highest power-of-two that fits // is 2^30. Note that this is counting char16_t units. The underlying // bytes will be twice that, but they fit even in 32-bit size_t even // if a contiguous chunk of memory of that size is pretty unlikely to // be available on a 32-bit system. #define MAX_POWER_OF_TWO_IN_INT32 0x40000000 bool nsHtml5TreeBuilder::EnsureBufferSpace(int32_t aLength) { // TODO: Unify nsHtml5Tokenizer::strBuf and nsHtml5TreeBuilder::charBuffer // so that this method becomes unnecessary. CheckedInt worstCase(charBufferLen); worstCase += aLength; if (!worstCase.isValid()) { return false; } if (worstCase.value() > MAX_POWER_OF_TWO_IN_INT32) { return false; } if (!charBuffer) { if (worstCase.value() < MAX_POWER_OF_TWO_IN_INT32) { // Add one to round to the next power of two to avoid immediate // reallocation once there are a few characters in the buffer. worstCase += 1; } charBuffer = jArray::newFallibleJArray(mozilla::RoundUpPow2(worstCase.value())); if (!charBuffer) { return false; } } else if (worstCase.value() > charBuffer.length) { jArray newBuf = jArray::newFallibleJArray(mozilla::RoundUpPow2(worstCase.value())); if (!newBuf) { return false; } memcpy(newBuf, charBuffer, sizeof(char16_t) * size_t(charBufferLen)); charBuffer = newBuf; } return true; } nsIContentHandle* nsHtml5TreeBuilder::AllocateContentHandle() { if (MOZ_UNLIKELY(mBuilder)) { MOZ_ASSERT_UNREACHABLE("Must never allocate a handle with builder."); return nullptr; } if (mHandlesUsed == NS_HTML5_TREE_BUILDER_HANDLE_ARRAY_LENGTH) { mOldHandles.AppendElement(Move(mHandles)); mHandles = MakeUnique(NS_HTML5_TREE_BUILDER_HANDLE_ARRAY_LENGTH); mHandlesUsed = 0; } #ifdef DEBUG mHandles[mHandlesUsed] = reinterpret_cast(uintptr_t(0xC0DEDBAD)); #endif return &mHandles[mHandlesUsed++]; } bool nsHtml5TreeBuilder::HasScript() { uint32_t len = mOpQueue.Length(); if (!len) { return false; } return mOpQueue.ElementAt(len - 1).IsRunScript(); } bool nsHtml5TreeBuilder::Flush(bool aDiscretionary) { if (MOZ_UNLIKELY(mBuilder)) { MOZ_ASSERT_UNREACHABLE("Must never flush with builder."); return false; } if (NS_SUCCEEDED(mBroken)) { if (!aDiscretionary || !(charBufferLen && currentPtr >= 0 && stack[currentPtr]->isFosterParenting())) { // Don't flush text on discretionary flushes if the current element on // the stack is a foster-parenting element and there's pending text, // because flushing in that case would make the tree shape dependent on // where the flush points fall. flushCharacters(); } FlushLoads(); } if (mOpSink) { bool hasOps = !mOpQueue.IsEmpty(); if (hasOps) { // If the builder is broken and mOpQueue is not empty, there must be // one op and it must be eTreeOpMarkAsBroken. if (NS_FAILED(mBroken)) { MOZ_ASSERT(mOpQueue.Length() == 1, "Tree builder is broken with a non-empty op queue whose length isn't 1."); MOZ_ASSERT(mOpQueue[0].IsMarkAsBroken(), "Tree builder is broken but the op in queue is not marked as broken."); } mOpSink->MoveOpsFrom(mOpQueue); } return hasOps; } // no op sink: throw away ops mOpQueue.Clear(); return false; } void nsHtml5TreeBuilder::FlushLoads() { if (MOZ_UNLIKELY(mBuilder)) { MOZ_ASSERT_UNREACHABLE("Must never flush loads with builder."); return; } if (!mSpeculativeLoadQueue.IsEmpty()) { mSpeculativeLoadStage->MoveSpeculativeLoadsFrom(mSpeculativeLoadQueue); } } void nsHtml5TreeBuilder::SetDocumentCharset(nsACString& aCharset, int32_t aCharsetSource) { if (mBuilder) { mBuilder->SetDocumentCharsetAndSource(aCharset, aCharsetSource); } else if (mSpeculativeLoadStage) { mSpeculativeLoadQueue.AppendElement()->InitSetDocumentCharset( aCharset, aCharsetSource); } else { mOpQueue.AppendElement()->Init( eTreeOpSetDocumentCharset, aCharset, aCharsetSource); } } void nsHtml5TreeBuilder::StreamEnded() { MOZ_ASSERT(!mBuilder, "Must not call StreamEnded with builder."); MOZ_ASSERT(!fragment, "Must not parse fragments off the main thread."); nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpStreamEnded); } void nsHtml5TreeBuilder::NeedsCharsetSwitchTo(const nsACString& aCharset, int32_t aCharsetSource, int32_t aLineNumber) { if (MOZ_UNLIKELY(mBuilder)) { MOZ_ASSERT_UNREACHABLE("Must never switch charset with builder."); return; } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(eTreeOpNeedsCharsetSwitchTo, aCharset, aCharsetSource, aLineNumber); } void nsHtml5TreeBuilder::MaybeComplainAboutCharset(const char* aMsgId, bool aError, int32_t aLineNumber) { if (MOZ_UNLIKELY(mBuilder)) { MOZ_ASSERT_UNREACHABLE("Must never complain about charset with builder."); return; } mOpQueue.AppendElement()->Init(aMsgId, aError, aLineNumber); } void nsHtml5TreeBuilder::AddSnapshotToScript(nsAHtml5TreeBuilderState* aSnapshot, int32_t aLine) { if (MOZ_UNLIKELY(mBuilder)) { MOZ_ASSERT_UNREACHABLE("Must never use snapshots with builder."); return; } NS_PRECONDITION(HasScript(), "No script to add a snapshot to!"); NS_PRECONDITION(aSnapshot, "Got null snapshot."); mOpQueue.ElementAt(mOpQueue.Length() - 1).SetSnapshot(aSnapshot, aLine); } void nsHtml5TreeBuilder::DropHandles() { MOZ_ASSERT(!mBuilder, "Must not drop handles with builder."); mOldHandles.Clear(); mHandlesUsed = 0; } void nsHtml5TreeBuilder::MarkAsBroken(nsresult aRv) { if (MOZ_UNLIKELY(mBuilder)) { MOZ_ASSERT_UNREACHABLE("Must not call this with builder."); return; } mBroken = aRv; mOpQueue.Clear(); // Previous ops don't matter anymore mOpQueue.AppendElement()->Init(aRv); } void nsHtml5TreeBuilder::MarkAsBrokenFromPortability(nsresult aRv) { if (mBuilder) { MarkAsBrokenAndRequestSuspension(aRv); return; } mBroken = aRv; requestSuspension(); } void nsHtml5TreeBuilder::StartPlainTextViewSource(const nsAutoString& aTitle) { MOZ_ASSERT(!mBuilder, "Must not view source with builder."); startTag(nsHtml5ElementName::ELT_TITLE, nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES, false); // XUL will add the "Source of: " prefix. uint32_t length = aTitle.Length(); if (length > INT32_MAX) { length = INT32_MAX; } characters(aTitle.get(), 0, (int32_t)length); endTag(nsHtml5ElementName::ELT_TITLE); startTag(nsHtml5ElementName::ELT_LINK, nsHtml5ViewSourceUtils::NewLinkAttributes(), false); startTag(nsHtml5ElementName::ELT_BODY, nsHtml5ViewSourceUtils::NewBodyAttributes(), false); StartPlainTextBody(); } void nsHtml5TreeBuilder::StartPlainText() { MOZ_ASSERT(!mBuilder, "Must not view source with builder."); startTag(nsHtml5ElementName::ELT_LINK, nsHtml5PlainTextUtils::NewLinkAttributes(), false); StartPlainTextBody(); } void nsHtml5TreeBuilder::StartPlainTextBody() { MOZ_ASSERT(!mBuilder, "Must not view source with builder."); startTag(nsHtml5ElementName::ELT_PRE, nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES, false); needToDropLF = false; } // DocumentModeHandler void nsHtml5TreeBuilder::documentMode(nsHtml5DocumentMode m) { if (mBuilder) { mBuilder->SetDocumentMode(m); return; } if (mSpeculativeLoadStage) { mSpeculativeLoadQueue.AppendElement()->InitSetDocumentMode(m); return; } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); treeOp->Init(m); } nsIContentHandle* nsHtml5TreeBuilder::getDocumentFragmentForTemplate(nsIContentHandle* aTemplate) { if (mBuilder) { return nsHtml5TreeOperation::GetDocumentFragmentForTemplate(static_cast(aTemplate)); } nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(); NS_ASSERTION(treeOp, "Tree op allocation failed."); nsIContentHandle* fragHandle = AllocateContentHandle(); treeOp->Init(eTreeOpGetDocumentFragmentForTemplate, aTemplate, fragHandle); return fragHandle; } nsIContentHandle* nsHtml5TreeBuilder::getFormPointerForContext(nsIContentHandle* aContext) { MOZ_ASSERT(mBuilder, "Must have builder."); if (!aContext) { return nullptr; } MOZ_ASSERT(NS_IsMainThread()); // aContext must always be an element that already exists // in the document. nsIContent* contextNode = static_cast(aContext); nsIContent* currentAncestor = contextNode; // We traverse the ancestors of the context node to find the nearest // form pointer. This traversal is why aContext must not be an emtpy handle. nsIContent* nearestForm = nullptr; while (currentAncestor) { if (currentAncestor->IsHTMLElement(nsGkAtoms::form)) { nearestForm = currentAncestor; break; } currentAncestor = currentAncestor->GetParent(); } if (!nearestForm) { return nullptr; } return nearestForm; } // Error reporting void nsHtml5TreeBuilder::EnableViewSource(nsHtml5Highlighter* aHighlighter) { MOZ_ASSERT(!mBuilder, "Must not view source with builder."); mViewSource = aHighlighter; } void nsHtml5TreeBuilder::errStrayStartTag(nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errStrayStartTag2", aName); } } void nsHtml5TreeBuilder::errStrayEndTag(nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errStrayEndTag", aName); } } void nsHtml5TreeBuilder::errUnclosedElements(int32_t aIndex, nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errUnclosedElements", aName); } } void nsHtml5TreeBuilder::errUnclosedElementsImplied(int32_t aIndex, nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errUnclosedElementsImplied", aName); } } void nsHtml5TreeBuilder::errUnclosedElementsCell(int32_t aIndex) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errUnclosedElementsCell"); } } void nsHtml5TreeBuilder::errStrayDoctype() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errStrayDoctype"); } } void nsHtml5TreeBuilder::errAlmostStandardsDoctype() { if (MOZ_UNLIKELY(mViewSource) && !isSrcdocDocument) { mViewSource->AddErrorToCurrentRun("errAlmostStandardsDoctype"); } } void nsHtml5TreeBuilder::errQuirkyDoctype() { if (MOZ_UNLIKELY(mViewSource) && !isSrcdocDocument) { mViewSource->AddErrorToCurrentRun("errQuirkyDoctype"); } } void nsHtml5TreeBuilder::errNonSpaceInTrailer() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errNonSpaceInTrailer"); } } void nsHtml5TreeBuilder::errNonSpaceAfterFrameset() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errNonSpaceAfterFrameset"); } } void nsHtml5TreeBuilder::errNonSpaceInFrameset() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errNonSpaceInFrameset"); } } void nsHtml5TreeBuilder::errNonSpaceAfterBody() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errNonSpaceAfterBody"); } } void nsHtml5TreeBuilder::errNonSpaceInColgroupInFragment() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errNonSpaceInColgroupInFragment"); } } void nsHtml5TreeBuilder::errNonSpaceInNoscriptInHead() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errNonSpaceInNoscriptInHead"); } } void nsHtml5TreeBuilder::errFooBetweenHeadAndBody(nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errFooBetweenHeadAndBody", aName); } } void nsHtml5TreeBuilder::errStartTagWithoutDoctype() { if (MOZ_UNLIKELY(mViewSource) && !isSrcdocDocument) { mViewSource->AddErrorToCurrentRun("errStartTagWithoutDoctype"); } } void nsHtml5TreeBuilder::errNoSelectInTableScope() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errNoSelectInTableScope"); } } void nsHtml5TreeBuilder::errStartSelectWhereEndSelectExpected() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun( "errStartSelectWhereEndSelectExpected"); } } void nsHtml5TreeBuilder::errStartTagWithSelectOpen(nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errStartTagWithSelectOpen", aName); } } void nsHtml5TreeBuilder::errBadStartTagInHead(nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errBadStartTagInHead2", aName); } } void nsHtml5TreeBuilder::errImage() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errImage"); } } void nsHtml5TreeBuilder::errIsindex() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errIsindex"); } } void nsHtml5TreeBuilder::errFooSeenWhenFooOpen(nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errFooSeenWhenFooOpen", aName); } } void nsHtml5TreeBuilder::errHeadingWhenHeadingOpen() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errHeadingWhenHeadingOpen"); } } void nsHtml5TreeBuilder::errFramesetStart() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errFramesetStart"); } } void nsHtml5TreeBuilder::errNoCellToClose() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errNoCellToClose"); } } void nsHtml5TreeBuilder::errStartTagInTable(nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errStartTagInTable", aName); } } void nsHtml5TreeBuilder::errFormWhenFormOpen() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errFormWhenFormOpen"); } } void nsHtml5TreeBuilder::errTableSeenWhileTableOpen() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errTableSeenWhileTableOpen"); } } void nsHtml5TreeBuilder::errStartTagInTableBody(nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errStartTagInTableBody", aName); } } void nsHtml5TreeBuilder::errEndTagSeenWithoutDoctype() { if (MOZ_UNLIKELY(mViewSource) && !isSrcdocDocument) { mViewSource->AddErrorToCurrentRun("errEndTagSeenWithoutDoctype"); } } void nsHtml5TreeBuilder::errEndTagAfterBody() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errEndTagAfterBody"); } } void nsHtml5TreeBuilder::errEndTagSeenWithSelectOpen(nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errEndTagSeenWithSelectOpen", aName); } } void nsHtml5TreeBuilder::errGarbageInColgroup() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errGarbageInColgroup"); } } void nsHtml5TreeBuilder::errEndTagBr() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errEndTagBr"); } } void nsHtml5TreeBuilder::errNoElementToCloseButEndTagSeen(nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun( "errNoElementToCloseButEndTagSeen", aName); } } void nsHtml5TreeBuilder::errHtmlStartTagInForeignContext(nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errHtmlStartTagInForeignContext", aName); } } void nsHtml5TreeBuilder::errTableClosedWhileCaptionOpen() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errTableClosedWhileCaptionOpen"); } } void nsHtml5TreeBuilder::errNoTableRowToClose() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errNoTableRowToClose"); } } void nsHtml5TreeBuilder::errNonSpaceInTable() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errNonSpaceInTable"); } } void nsHtml5TreeBuilder::errUnclosedChildrenInRuby() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errUnclosedChildrenInRuby"); } } void nsHtml5TreeBuilder::errStartTagSeenWithoutRuby(nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errStartTagSeenWithoutRuby", aName); } } void nsHtml5TreeBuilder::errSelfClosing() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentSlash("errSelfClosing"); } } void nsHtml5TreeBuilder::errNoCheckUnclosedElementsOnStack() { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun( "errNoCheckUnclosedElementsOnStack"); } } void nsHtml5TreeBuilder::errEndTagDidNotMatchCurrentOpenElement(nsIAtom* aName, nsIAtom* aOther) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun( "errEndTagDidNotMatchCurrentOpenElement", aName, aOther); } } void nsHtml5TreeBuilder::errEndTagViolatesNestingRules(nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errEndTagViolatesNestingRules", aName); } } void nsHtml5TreeBuilder::errEndWithUnclosedElements(nsIAtom* aName) { if (MOZ_UNLIKELY(mViewSource)) { mViewSource->AddErrorToCurrentRun("errEndWithUnclosedElements", aName); } }