зеркало из https://github.com/mozilla/gecko-dev.git
1729 строки
61 KiB
C++
1729 строки
61 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 sw=2 et tw=78: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsError.h"
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#include "mozilla/CheckedInt.h"
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#include "mozilla/Likely.h"
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#include "mozilla/StaticPrefs_dom.h"
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#include "mozilla/StaticPrefs_network.h"
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#include "mozilla/UniquePtr.h"
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nsHtml5TreeBuilder::nsHtml5TreeBuilder(nsHtml5OplessBuilder* aBuilder)
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: mode(0),
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originalMode(0),
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framesetOk(false),
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tokenizer(nullptr),
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scriptingEnabled(false),
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needToDropLF(false),
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fragment(false),
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contextName(nullptr),
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contextNamespace(kNameSpaceID_None),
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contextNode(nullptr),
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templateModePtr(0),
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stackNodesIdx(0),
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numStackNodes(0),
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currentPtr(0),
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listPtr(0),
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formPointer(nullptr),
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headPointer(nullptr),
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charBufferLen(0),
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quirks(false),
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isSrcdocDocument(false),
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mBuilder(aBuilder),
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mViewSource(nullptr),
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mOpSink(nullptr),
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mHandles(nullptr),
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mHandlesUsed(0),
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mSpeculativeLoadStage(nullptr),
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mBroken(NS_OK),
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mCurrentHtmlScriptIsAsyncOrDefer(false),
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mPreventScriptExecution(false)
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#ifdef DEBUG
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,
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mActive(false)
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#endif
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{
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MOZ_COUNT_CTOR(nsHtml5TreeBuilder);
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}
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nsHtml5TreeBuilder::nsHtml5TreeBuilder(nsAHtml5TreeOpSink* aOpSink,
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nsHtml5TreeOpStage* aStage)
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: mode(0),
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originalMode(0),
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framesetOk(false),
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tokenizer(nullptr),
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scriptingEnabled(false),
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needToDropLF(false),
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fragment(false),
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contextName(nullptr),
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contextNamespace(kNameSpaceID_None),
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contextNode(nullptr),
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templateModePtr(0),
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stackNodesIdx(0),
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numStackNodes(0),
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currentPtr(0),
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listPtr(0),
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formPointer(nullptr),
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headPointer(nullptr),
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charBufferLen(0),
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quirks(false),
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isSrcdocDocument(false),
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mBuilder(nullptr),
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mViewSource(nullptr),
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mOpSink(aOpSink),
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mHandles(new nsIContent*[NS_HTML5_TREE_BUILDER_HANDLE_ARRAY_LENGTH]),
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mHandlesUsed(0),
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mSpeculativeLoadStage(aStage),
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mBroken(NS_OK),
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mCurrentHtmlScriptIsAsyncOrDefer(false),
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mPreventScriptExecution(false)
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#ifdef DEBUG
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,
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mActive(false)
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#endif
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{
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MOZ_COUNT_CTOR(nsHtml5TreeBuilder);
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}
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nsHtml5TreeBuilder::~nsHtml5TreeBuilder() {
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MOZ_COUNT_DTOR(nsHtml5TreeBuilder);
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NS_ASSERTION(!mActive,
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"nsHtml5TreeBuilder deleted without ever calling end() on it!");
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mOpQueue.Clear();
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}
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nsIContentHandle* nsHtml5TreeBuilder::createElement(
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int32_t aNamespace, nsAtom* aName, nsHtml5HtmlAttributes* aAttributes,
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nsIContentHandle* aIntendedParent, nsHtml5ContentCreatorFunction aCreator) {
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MOZ_ASSERT(aAttributes, "Got null attributes.");
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MOZ_ASSERT(aName, "Got null name.");
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MOZ_ASSERT(aNamespace == kNameSpaceID_XHTML ||
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aNamespace == kNameSpaceID_SVG ||
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aNamespace == kNameSpaceID_MathML,
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"Bogus namespace.");
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if (mBuilder) {
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nsIContent* intendedParent =
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aIntendedParent ? static_cast<nsIContent*>(aIntendedParent) : nullptr;
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// intendedParent == nullptr is a special case where the
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// intended parent is the document.
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nsNodeInfoManager* nodeInfoManager =
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intendedParent ? intendedParent->OwnerDoc()->NodeInfoManager()
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: mBuilder->GetNodeInfoManager();
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nsIContent* elem;
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if (aNamespace == kNameSpaceID_XHTML) {
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elem = nsHtml5TreeOperation::CreateHTMLElement(
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aName, aAttributes, mozilla::dom::FROM_PARSER_FRAGMENT,
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nodeInfoManager, mBuilder, aCreator.html);
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} else if (aNamespace == kNameSpaceID_SVG) {
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elem = nsHtml5TreeOperation::CreateSVGElement(
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aName, aAttributes, mozilla::dom::FROM_PARSER_FRAGMENT,
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nodeInfoManager, mBuilder, aCreator.svg);
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} else {
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MOZ_ASSERT(aNamespace == kNameSpaceID_MathML);
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elem = nsHtml5TreeOperation::CreateMathMLElement(
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aName, aAttributes, nodeInfoManager, mBuilder);
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}
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if (MOZ_UNLIKELY(aAttributes != tokenizer->GetAttributes() &&
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aAttributes != nsHtml5HtmlAttributes::EMPTY_ATTRIBUTES)) {
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delete aAttributes;
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}
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return elem;
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}
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nsIContentHandle* content = AllocateContentHandle();
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nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
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if (MOZ_UNLIKELY(!treeOp)) {
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MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
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return nullptr;
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}
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if (aNamespace == kNameSpaceID_XHTML) {
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opCreateHTMLElement opeation(
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content, aName, aAttributes, aCreator.html, aIntendedParent,
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(!!mSpeculativeLoadStage) ? mozilla::dom::FROM_PARSER_NETWORK
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: dom::FROM_PARSER_DOCUMENT_WRITE);
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treeOp->Init(mozilla::AsVariant(opeation));
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} else if (aNamespace == kNameSpaceID_SVG) {
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opCreateSVGElement operation(
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content, aName, aAttributes, aCreator.svg, aIntendedParent,
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(!!mSpeculativeLoadStage) ? mozilla::dom::FROM_PARSER_NETWORK
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: dom::FROM_PARSER_DOCUMENT_WRITE);
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treeOp->Init(mozilla::AsVariant(operation));
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} else {
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// kNameSpaceID_MathML
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opCreateMathMLElement operation(content, aName, aAttributes,
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aIntendedParent);
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treeOp->Init(mozilla::AsVariant(operation));
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}
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// mSpeculativeLoadStage is non-null only in the off-the-main-thread
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// tree builder, which handles the network stream
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// Start wall of code for speculative loading and line numbers
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if (mSpeculativeLoadStage) {
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switch (aNamespace) {
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case kNameSpaceID_XHTML:
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if (nsGkAtoms::img == aName) {
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nsHtml5String loading =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_LOADING);
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if (!StaticPrefs::dom_image_lazy_loading_enabled() ||
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!loading.LowerCaseEqualsASCII("lazy")) {
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nsHtml5String url =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_SRC);
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nsHtml5String srcset =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_SRCSET);
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nsHtml5String crossOrigin =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_CROSSORIGIN);
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nsHtml5String referrerPolicy = aAttributes->getValue(
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nsHtml5AttributeName::ATTR_REFERRERPOLICY);
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nsHtml5String sizes =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_SIZES);
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mSpeculativeLoadQueue.AppendElement()->InitImage(
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url, crossOrigin, referrerPolicy, srcset, sizes, false);
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}
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} else if (nsGkAtoms::source == aName) {
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nsHtml5String srcset =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_SRCSET);
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// Sources without srcset cannot be selected. The source could also be
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// for a media element, but in that context doesn't use srcset. See
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// comments in nsHtml5SpeculativeLoad.h about <picture> preloading
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if (srcset) {
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nsHtml5String sizes =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_SIZES);
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nsHtml5String type =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_TYPE);
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nsHtml5String media =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_MEDIA);
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mSpeculativeLoadQueue.AppendElement()->InitPictureSource(
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srcset, sizes, type, media);
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}
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} else if (nsGkAtoms::script == aName) {
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nsHtml5TreeOperation* treeOp =
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mOpQueue.AppendElement(mozilla::fallible);
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if (MOZ_UNLIKELY(!treeOp)) {
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MarkAsBrokenAndRequestSuspensionWithoutBuilder(
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NS_ERROR_OUT_OF_MEMORY);
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return nullptr;
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}
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opSetScriptLineNumberAndFreeze operation(content,
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tokenizer->getLineNumber());
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treeOp->Init(mozilla::AsVariant(operation));
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nsHtml5String url =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_SRC);
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if (url) {
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nsHtml5String charset =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_CHARSET);
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nsHtml5String type =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_TYPE);
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nsHtml5String crossOrigin =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_CROSSORIGIN);
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nsHtml5String integrity =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_INTEGRITY);
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nsHtml5String referrerPolicy = aAttributes->getValue(
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nsHtml5AttributeName::ATTR_REFERRERPOLICY);
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bool async =
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aAttributes->contains(nsHtml5AttributeName::ATTR_ASYNC);
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bool defer =
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aAttributes->contains(nsHtml5AttributeName::ATTR_DEFER);
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bool noModule =
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aAttributes->contains(nsHtml5AttributeName::ATTR_NOMODULE);
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mSpeculativeLoadQueue.AppendElement()->InitScript(
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url, charset, type, crossOrigin, integrity, referrerPolicy,
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mode == nsHtml5TreeBuilder::IN_HEAD, async, defer, noModule,
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false);
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mCurrentHtmlScriptIsAsyncOrDefer = async || defer;
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}
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} else if (nsGkAtoms::link == aName) {
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nsHtml5String rel =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_REL);
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// Not splitting on space here is bogus but the old parser didn't even
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// do a case-insensitive check.
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if (rel) {
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if (rel.LowerCaseEqualsASCII("stylesheet")) {
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nsHtml5String url =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF);
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if (url) {
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nsHtml5String charset =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_CHARSET);
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nsHtml5String crossOrigin = aAttributes->getValue(
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nsHtml5AttributeName::ATTR_CROSSORIGIN);
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nsHtml5String integrity =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_INTEGRITY);
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nsHtml5String referrerPolicy = aAttributes->getValue(
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nsHtml5AttributeName::ATTR_REFERRERPOLICY);
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mSpeculativeLoadQueue.AppendElement()->InitStyle(
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url, charset, crossOrigin, referrerPolicy, integrity,
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false);
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}
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} else if (rel.LowerCaseEqualsASCII("preconnect")) {
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nsHtml5String url =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF);
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if (url) {
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nsHtml5String crossOrigin = aAttributes->getValue(
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nsHtml5AttributeName::ATTR_CROSSORIGIN);
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mSpeculativeLoadQueue.AppendElement()->InitPreconnect(
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url, crossOrigin);
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}
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} else if (StaticPrefs::network_preload() &&
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rel.LowerCaseEqualsASCII("preload")) {
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nsHtml5String url =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF);
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if (url) {
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nsHtml5String as =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_AS);
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nsHtml5String charset =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_CHARSET);
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nsHtml5String crossOrigin = aAttributes->getValue(
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nsHtml5AttributeName::ATTR_CROSSORIGIN);
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nsHtml5String integrity =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_INTEGRITY);
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nsHtml5String referrerPolicy = aAttributes->getValue(
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nsHtml5AttributeName::ATTR_REFERRERPOLICY);
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// Note that respective speculative loaders for scripts and
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// styles check all additional attributes to be equal to use the
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// speculative load. So, if any of them is specified and the
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// preload has to take the expected effect, those attributes
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// must also be specified on the actual tag to use the preload.
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// Omitting an attribute on both will make the values equal
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// (empty) and thus use the preload.
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if (as.LowerCaseEqualsASCII("script")) {
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nsHtml5String type =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_TYPE);
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mSpeculativeLoadQueue.AppendElement()->InitScript(
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url, charset, type, crossOrigin, integrity,
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referrerPolicy, mode == nsHtml5TreeBuilder::IN_HEAD,
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false, false, false, true);
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} else if (as.LowerCaseEqualsASCII("style")) {
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mSpeculativeLoadQueue.AppendElement()->InitStyle(
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url, charset, crossOrigin, referrerPolicy, integrity,
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true);
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} else if (as.LowerCaseEqualsASCII("image")) {
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nsHtml5String srcset = aAttributes->getValue(
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nsHtml5AttributeName::ATTR_IMAGESRCSET);
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nsHtml5String sizes = aAttributes->getValue(
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nsHtml5AttributeName::ATTR_IMAGESIZES);
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mSpeculativeLoadQueue.AppendElement()->InitImage(
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url, crossOrigin, referrerPolicy, srcset, sizes, true);
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} else if (as.LowerCaseEqualsASCII("font")) {
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mSpeculativeLoadQueue.AppendElement()->InitFont(
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url, crossOrigin, referrerPolicy);
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} else if (as.LowerCaseEqualsASCII("fetch")) {
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mSpeculativeLoadQueue.AppendElement()->InitFetch(
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url, crossOrigin, referrerPolicy);
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}
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// Other "as" values will be supported later.
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}
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}
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}
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} else if (nsGkAtoms::video == aName) {
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nsHtml5String url =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_POSTER);
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if (url) {
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mSpeculativeLoadQueue.AppendElement()->InitImage(
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url, nullptr, nullptr, nullptr, nullptr, false);
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}
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} else if (nsGkAtoms::style == aName) {
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mImportScanner.Start();
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nsHtml5TreeOperation* treeOp =
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mOpQueue.AppendElement(mozilla::fallible);
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if (MOZ_UNLIKELY(!treeOp)) {
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MarkAsBrokenAndRequestSuspensionWithoutBuilder(
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NS_ERROR_OUT_OF_MEMORY);
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return nullptr;
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}
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opSetStyleLineNumber operation(content, tokenizer->getLineNumber());
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treeOp->Init(mozilla::AsVariant(operation));
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} else if (nsGkAtoms::html == aName) {
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nsHtml5String url =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_MANIFEST);
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mSpeculativeLoadQueue.AppendElement()->InitManifest(url);
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} else if (nsGkAtoms::base == aName) {
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nsHtml5String url =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_HREF);
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if (url) {
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mSpeculativeLoadQueue.AppendElement()->InitBase(url);
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}
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} else if (nsGkAtoms::meta == aName) {
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if (nsHtml5Portability::lowerCaseLiteralEqualsIgnoreAsciiCaseString(
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"content-security-policy",
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aAttributes->getValue(
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nsHtml5AttributeName::ATTR_HTTP_EQUIV))) {
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nsHtml5String csp =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_CONTENT);
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if (csp) {
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mSpeculativeLoadQueue.AppendElement()->InitMetaCSP(csp);
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}
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} else if (nsHtml5Portability::
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lowerCaseLiteralEqualsIgnoreAsciiCaseString(
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"referrer",
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aAttributes->getValue(
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nsHtml5AttributeName::ATTR_NAME))) {
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nsHtml5String referrerPolicy =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_CONTENT);
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if (referrerPolicy) {
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mSpeculativeLoadQueue.AppendElement()->InitMetaReferrerPolicy(
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referrerPolicy);
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}
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}
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}
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break;
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case kNameSpaceID_SVG:
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if (nsGkAtoms::image == aName) {
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nsHtml5String url =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_XLINK_HREF);
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if (url) {
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mSpeculativeLoadQueue.AppendElement()->InitImage(
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url, nullptr, nullptr, nullptr, nullptr, false);
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}
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} else if (nsGkAtoms::script == aName) {
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nsHtml5TreeOperation* treeOp =
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mOpQueue.AppendElement(mozilla::fallible);
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if (MOZ_UNLIKELY(!treeOp)) {
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MarkAsBrokenAndRequestSuspensionWithoutBuilder(
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NS_ERROR_OUT_OF_MEMORY);
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return nullptr;
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}
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opSetScriptLineNumberAndFreeze operation(content,
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tokenizer->getLineNumber());
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treeOp->Init(mozilla::AsVariant(operation));
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nsHtml5String url =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_XLINK_HREF);
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if (url) {
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nsHtml5String type =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_TYPE);
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nsHtml5String crossOrigin =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_CROSSORIGIN);
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nsHtml5String integrity =
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aAttributes->getValue(nsHtml5AttributeName::ATTR_INTEGRITY);
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nsHtml5String referrerPolicy = aAttributes->getValue(
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nsHtml5AttributeName::ATTR_REFERRERPOLICY);
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mSpeculativeLoadQueue.AppendElement()->InitScript(
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url, nullptr, type, crossOrigin, integrity, referrerPolicy,
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mode == nsHtml5TreeBuilder::IN_HEAD, false, false, false,
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false);
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}
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} else if (nsGkAtoms::style == aName) {
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mImportScanner.Start();
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nsHtml5TreeOperation* treeOp =
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mOpQueue.AppendElement(mozilla::fallible);
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if (MOZ_UNLIKELY(!treeOp)) {
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MarkAsBrokenAndRequestSuspensionWithoutBuilder(
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NS_ERROR_OUT_OF_MEMORY);
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return nullptr;
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}
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opSetStyleLineNumber operation(content, tokenizer->getLineNumber());
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treeOp->Init(mozilla::AsVariant(operation));
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}
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break;
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}
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} else if (aNamespace != kNameSpaceID_MathML) {
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// No speculative loader--just line numbers and defer/async check
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if (nsGkAtoms::style == aName) {
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nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
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if (MOZ_UNLIKELY(!treeOp)) {
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MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
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return nullptr;
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}
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opSetStyleLineNumber operation(content, tokenizer->getLineNumber());
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treeOp->Init(mozilla::AsVariant(operation));
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} else if (nsGkAtoms::script == aName) {
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nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
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if (MOZ_UNLIKELY(!treeOp)) {
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MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
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return nullptr;
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}
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opSetScriptLineNumberAndFreeze operation(content,
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tokenizer->getLineNumber());
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treeOp->Init(mozilla::AsVariant(operation));
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if (aNamespace == kNameSpaceID_XHTML) {
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mCurrentHtmlScriptIsAsyncOrDefer =
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aAttributes->contains(nsHtml5AttributeName::ATTR_SRC) &&
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(aAttributes->contains(nsHtml5AttributeName::ATTR_ASYNC) ||
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aAttributes->contains(nsHtml5AttributeName::ATTR_DEFER));
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}
|
|
} else if (aNamespace == kNameSpaceID_XHTML) {
|
|
if (nsGkAtoms::html == aName) {
|
|
nsHtml5String url =
|
|
aAttributes->getValue(nsHtml5AttributeName::ATTR_MANIFEST);
|
|
nsHtml5TreeOperation* treeOp =
|
|
mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(
|
|
NS_ERROR_OUT_OF_MEMORY);
|
|
return nullptr;
|
|
}
|
|
if (url) {
|
|
nsString
|
|
urlString; // Not Auto, because using it to hold nsStringBuffer*
|
|
url.ToString(urlString);
|
|
opProcessOfflineManifest operation(ToNewUnicode(urlString));
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
} else {
|
|
opProcessOfflineManifest operation(ToNewUnicode(EmptyString()));
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
}
|
|
} else if (nsGkAtoms::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, nsAtom* 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<nsIContent*>(content),
|
|
static_cast<nsIContent*>(aFormElement));
|
|
} else {
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return nullptr;
|
|
}
|
|
opSetFormElement operation(content, aFormElement);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
}
|
|
}
|
|
return content;
|
|
}
|
|
|
|
nsIContentHandle* nsHtml5TreeBuilder::createHtmlElementSetAsRoot(
|
|
nsHtml5HtmlAttributes* aAttributes) {
|
|
nsHtml5ContentCreatorFunction creator;
|
|
// <html> uses NS_NewHTMLSharedElement creator
|
|
creator.html = NS_NewHTMLSharedElement;
|
|
nsIContentHandle* content = createElement(kNameSpaceID_XHTML, nsGkAtoms::html,
|
|
aAttributes, nullptr, creator);
|
|
if (mBuilder) {
|
|
nsresult rv = nsHtml5TreeOperation::AppendToDocument(
|
|
static_cast<nsIContent*>(content), mBuilder);
|
|
if (NS_FAILED(rv)) {
|
|
MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
|
|
}
|
|
} else {
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return nullptr;
|
|
}
|
|
opAppendToDocument operation(content);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
}
|
|
return content;
|
|
}
|
|
|
|
nsIContentHandle* nsHtml5TreeBuilder::createAndInsertFosterParentedElement(
|
|
int32_t aNamespace, nsAtom* aName, nsHtml5HtmlAttributes* aAttributes,
|
|
nsIContentHandle* aFormElement, nsIContentHandle* aTable,
|
|
nsIContentHandle* aStackParent, nsHtml5ContentCreatorFunction aCreator) {
|
|
MOZ_ASSERT(aTable, "Null table");
|
|
MOZ_ASSERT(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<nsIContent*>(aTable),
|
|
static_cast<nsIContent*>(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();
|
|
opGetFosterParent operation(aTable, aStackParent, fosterParentHandle);
|
|
fosterParentTreeOp->Init(mozilla::AsVariant(operation));
|
|
|
|
// 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) {
|
|
MOZ_ASSERT(aElement, "Null element");
|
|
|
|
if (mBuilder) {
|
|
nsHtml5TreeOperation::Detach(static_cast<nsIContent*>(aElement), mBuilder);
|
|
return;
|
|
}
|
|
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opDetach operation(aElement);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::appendElement(nsIContentHandle* aChild,
|
|
nsIContentHandle* aParent) {
|
|
MOZ_ASSERT(aChild, "Null child");
|
|
MOZ_ASSERT(aParent, "Null parent");
|
|
|
|
if (mBuilder) {
|
|
nsresult rv = nsHtml5TreeOperation::Append(
|
|
static_cast<nsIContent*>(aChild), static_cast<nsIContent*>(aParent),
|
|
mBuilder);
|
|
if (NS_FAILED(rv)) {
|
|
MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
|
|
}
|
|
return;
|
|
}
|
|
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opAppend operation(aChild, aParent);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::appendChildrenToNewParent(
|
|
nsIContentHandle* aOldParent, nsIContentHandle* aNewParent) {
|
|
MOZ_ASSERT(aOldParent, "Null old parent");
|
|
MOZ_ASSERT(aNewParent, "Null new parent");
|
|
|
|
if (mBuilder) {
|
|
nsresult rv = nsHtml5TreeOperation::AppendChildrenToNewParent(
|
|
static_cast<nsIContent*>(aOldParent),
|
|
static_cast<nsIContent*>(aNewParent), mBuilder);
|
|
if (NS_FAILED(rv)) {
|
|
MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
|
|
}
|
|
return;
|
|
}
|
|
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opAppendChildrenToNewParent operation(aOldParent, aNewParent);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::insertFosterParentedCharacters(
|
|
char16_t* aBuffer, int32_t aStart, int32_t aLength,
|
|
nsIContentHandle* aTable, nsIContentHandle* aStackParent) {
|
|
MOZ_ASSERT(aBuffer, "Null buffer");
|
|
MOZ_ASSERT(aTable, "Null table");
|
|
MOZ_ASSERT(aStackParent, "Null stack parent");
|
|
MOZ_ASSERT(!aStart, "aStart must always be zero.");
|
|
|
|
if (mBuilder) {
|
|
nsresult rv = nsHtml5TreeOperation::FosterParentText(
|
|
static_cast<nsIContent*>(aStackParent),
|
|
aBuffer, // XXX aStart always ignored???
|
|
aLength, static_cast<nsIContent*>(aTable), mBuilder);
|
|
if (NS_FAILED(rv)) {
|
|
MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
|
|
}
|
|
return;
|
|
}
|
|
|
|
auto bufferCopy = mozilla::MakeUniqueFallible<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.get(), aBuffer, aLength * sizeof(char16_t));
|
|
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opFosterParentText operation(aStackParent, bufferCopy.release(), aTable,
|
|
aLength);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::insertFosterParentedChild(
|
|
nsIContentHandle* aChild, nsIContentHandle* aTable,
|
|
nsIContentHandle* aStackParent) {
|
|
MOZ_ASSERT(aChild, "Null child");
|
|
MOZ_ASSERT(aTable, "Null table");
|
|
MOZ_ASSERT(aStackParent, "Null stack parent");
|
|
|
|
if (mBuilder) {
|
|
nsresult rv = nsHtml5TreeOperation::FosterParent(
|
|
static_cast<nsIContent*>(aChild),
|
|
static_cast<nsIContent*>(aStackParent),
|
|
static_cast<nsIContent*>(aTable), mBuilder);
|
|
if (NS_FAILED(rv)) {
|
|
MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
|
|
}
|
|
return;
|
|
}
|
|
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opFosterParent operation(aChild, aStackParent, aTable);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::appendCharacters(nsIContentHandle* aParent,
|
|
char16_t* aBuffer, int32_t aStart,
|
|
int32_t aLength) {
|
|
MOZ_ASSERT(aBuffer, "Null buffer");
|
|
MOZ_ASSERT(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<nsIContent*>(aParent), mBuilder);
|
|
if (NS_FAILED(rv)) {
|
|
MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
|
|
}
|
|
return;
|
|
}
|
|
|
|
auto bufferCopy = mozilla::MakeUniqueFallible<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.get(), aBuffer, aLength * sizeof(char16_t));
|
|
|
|
if (mImportScanner.ShouldScan()) {
|
|
nsTArray<nsString> imports = mImportScanner.Scan(Span(aBuffer, aLength));
|
|
for (nsString& url : imports) {
|
|
mSpeculativeLoadQueue.AppendElement()->InitImportStyle(std::move(url));
|
|
}
|
|
}
|
|
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opAppendText operation(aParent, bufferCopy.release(), aLength);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::appendComment(nsIContentHandle* aParent,
|
|
char16_t* aBuffer, int32_t aStart,
|
|
int32_t aLength) {
|
|
MOZ_ASSERT(aBuffer, "Null buffer");
|
|
MOZ_ASSERT(aParent, "Null parent");
|
|
MOZ_ASSERT(!aStart, "aStart must always be zero.");
|
|
|
|
if (mBuilder) {
|
|
nsresult rv = nsHtml5TreeOperation::AppendComment(
|
|
static_cast<nsIContent*>(aParent),
|
|
aBuffer, // XXX aStart always ignored???
|
|
aLength, mBuilder);
|
|
if (NS_FAILED(rv)) {
|
|
MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
|
|
}
|
|
return;
|
|
}
|
|
|
|
auto bufferCopy = mozilla::MakeUniqueFallible<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.get(), aBuffer, aLength * sizeof(char16_t));
|
|
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opAppendComment operation(aParent, bufferCopy.release(), aLength);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::appendCommentToDocument(char16_t* aBuffer,
|
|
int32_t aStart,
|
|
int32_t aLength) {
|
|
MOZ_ASSERT(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)) {
|
|
MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
|
|
}
|
|
return;
|
|
}
|
|
|
|
auto bufferCopy = mozilla::MakeUniqueFallible<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.get(), aBuffer, aLength * sizeof(char16_t));
|
|
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opAppendCommentToDocument data(bufferCopy.release(), aLength);
|
|
treeOp->Init(mozilla::AsVariant(data));
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::addAttributesToElement(
|
|
nsIContentHandle* aElement, nsHtml5HtmlAttributes* aAttributes) {
|
|
MOZ_ASSERT(aElement, "Null element");
|
|
MOZ_ASSERT(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<nsIContent*>(aElement), aAttributes, mBuilder);
|
|
if (NS_FAILED(rv)) {
|
|
MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
|
|
}
|
|
return;
|
|
}
|
|
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opAddAttributes opeation(aElement, aAttributes);
|
|
treeOp->Init(mozilla::AsVariant(opeation));
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::markMalformedIfScript(nsIContentHandle* aElement) {
|
|
MOZ_ASSERT(aElement, "Null element");
|
|
|
|
if (mBuilder) {
|
|
nsHtml5TreeOperation::MarkMalformedIfScript(
|
|
static_cast<nsIContent*>(aElement));
|
|
return;
|
|
}
|
|
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opMarkMalformedIfScript operation(aElement);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::start(bool fragment) {
|
|
mCurrentHtmlScriptIsAsyncOrDefer = false;
|
|
#ifdef DEBUG
|
|
mActive = true;
|
|
#endif
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::end() {
|
|
mOpQueue.Clear();
|
|
#ifdef DEBUG
|
|
mActive = false;
|
|
#endif
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::appendDoctypeToDocument(nsAtom* aName,
|
|
nsHtml5String aPublicId,
|
|
nsHtml5String aSystemId) {
|
|
MOZ_ASSERT(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) {
|
|
nsresult rv = nsHtml5TreeOperation::AppendDoctypeToDocument(
|
|
aName, publicId, systemId, mBuilder);
|
|
if (NS_FAILED(rv)) {
|
|
MarkAsBrokenAndRequestSuspensionWithBuilder(rv);
|
|
}
|
|
return;
|
|
}
|
|
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opAppendDoctypeToDocument operation(aName, publicId, systemId);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
// nsXMLContentSink can flush here, but what's the point?
|
|
// It can also interrupt here, but we can't.
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::elementPushed(int32_t aNamespace, nsAtom* 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 (aNamespace != kNameSpaceID_XHTML) {
|
|
return;
|
|
}
|
|
if (aName == nsGkAtoms::body || aName == nsGkAtoms::frameset) {
|
|
if (mBuilder) {
|
|
// InnerHTML and DOMParser shouldn't start layout anyway
|
|
return;
|
|
}
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
treeOp->Init(mozilla::AsVariant(opStartLayout()));
|
|
return;
|
|
}
|
|
if (nsIContent::RequiresDoneCreatingElement(kNameSpaceID_XHTML, aName)) {
|
|
if (mBuilder) {
|
|
nsHtml5TreeOperation::DoneCreatingElement(
|
|
static_cast<nsIContent*>(aElement));
|
|
} else {
|
|
opDoneCreatingElement operation(aElement);
|
|
mOpQueue.AppendElement()->Init(mozilla::AsVariant(operation));
|
|
}
|
|
return;
|
|
}
|
|
if (mSpeculativeLoadStage && aName == nsGkAtoms::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 <picture> preloading
|
|
mSpeculativeLoadQueue.AppendElement()->InitOpenPicture();
|
|
}
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::elementPopped(int32_t aNamespace, nsAtom* 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 (aNamespace == kNameSpaceID_MathML) {
|
|
return;
|
|
}
|
|
// we now have only SVG and HTML
|
|
if (aName == nsGkAtoms::script) {
|
|
if (mPreventScriptExecution) {
|
|
if (mBuilder) {
|
|
nsHtml5TreeOperation::PreventScriptExecution(
|
|
static_cast<nsIContent*>(aElement));
|
|
return;
|
|
}
|
|
opPreventScriptExecution operation(aElement);
|
|
mOpQueue.AppendElement()->Init(mozilla::AsVariant(operation));
|
|
return;
|
|
}
|
|
if (mBuilder) {
|
|
return;
|
|
}
|
|
if (mCurrentHtmlScriptIsAsyncOrDefer) {
|
|
NS_ASSERTION(aNamespace == kNameSpaceID_XHTML,
|
|
"Only HTML scripts may be async/defer.");
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opRunScriptAsyncDefer operation(aElement);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
mCurrentHtmlScriptIsAsyncOrDefer = false;
|
|
return;
|
|
}
|
|
requestSuspension();
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opRunScript operation(aElement, nullptr);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
return;
|
|
}
|
|
// Some nodes need DoneAddingChildren() called to initialize
|
|
// properly (e.g. form state restoration).
|
|
if (nsIContent::RequiresDoneAddingChildren(aNamespace, aName)) {
|
|
if (mBuilder) {
|
|
nsHtml5TreeOperation::DoneAddingChildren(
|
|
static_cast<nsIContent*>(aElement));
|
|
return;
|
|
}
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opDoneAddingChildren operation(aElement);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
return;
|
|
}
|
|
if (aName == nsGkAtoms::style ||
|
|
(aNamespace == kNameSpaceID_XHTML && aName == nsGkAtoms::link)) {
|
|
if (mBuilder) {
|
|
MOZ_ASSERT(!nsContentUtils::IsSafeToRunScript(),
|
|
"Scripts must be blocked.");
|
|
mBuilder->UpdateStyleSheet(static_cast<nsIContent*>(aElement));
|
|
return;
|
|
}
|
|
|
|
if (aName == nsGkAtoms::style) {
|
|
nsTArray<nsString> imports = mImportScanner.Stop();
|
|
for (nsString& url : imports) {
|
|
mSpeculativeLoadQueue.AppendElement()->InitImportStyle(std::move(url));
|
|
}
|
|
}
|
|
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opUpdateStyleSheet operation(aElement);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
return;
|
|
}
|
|
if (aNamespace == kNameSpaceID_SVG) {
|
|
if (aName == nsGkAtoms::svg) {
|
|
if (mBuilder) {
|
|
nsHtml5TreeOperation::SvgLoad(static_cast<nsIContent*>(aElement));
|
|
return;
|
|
}
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opSvgLoad operation(aElement);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (mSpeculativeLoadStage && aName == nsGkAtoms::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 <picture> preloading
|
|
mSpeculativeLoadQueue.AppendElement()->InitEndPicture();
|
|
}
|
|
}
|
|
|
|
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.
|
|
mozilla::CheckedInt<int32_t> 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<char16_t, int32_t>::newFallibleJArray(
|
|
mozilla::RoundUpPow2(worstCase.value()));
|
|
if (!charBuffer) {
|
|
return false;
|
|
}
|
|
} else if (worstCase.value() > charBuffer.length) {
|
|
jArray<char16_t, int32_t> newBuf =
|
|
jArray<char16_t, int32_t>::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(std::move(mHandles));
|
|
mHandles = mozilla::MakeUnique<nsIContent*[]>(
|
|
NS_HTML5_TREE_BUILDER_HANDLE_ARRAY_LENGTH);
|
|
mHandlesUsed = 0;
|
|
}
|
|
#ifdef DEBUG
|
|
mHandles[mHandlesUsed] = reinterpret_cast<nsIContent*>(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(NotNull<const Encoding*> aEncoding,
|
|
int32_t aCharsetSource) {
|
|
if (mBuilder) {
|
|
mBuilder->SetDocumentCharsetAndSource(aEncoding, aCharsetSource);
|
|
} else if (mSpeculativeLoadStage) {
|
|
mSpeculativeLoadQueue.AppendElement()->InitSetDocumentCharset(
|
|
aEncoding, aCharsetSource);
|
|
} else {
|
|
opSetDocumentCharset opearation(aEncoding, aCharsetSource);
|
|
mOpQueue.AppendElement()->Init(mozilla::AsVariant(opearation));
|
|
}
|
|
}
|
|
|
|
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(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
treeOp->Init(mozilla::AsVariant(opStreamEnded()));
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::NeedsCharsetSwitchTo(
|
|
NotNull<const Encoding*> aEncoding, int32_t aCharsetSource,
|
|
int32_t aLineNumber) {
|
|
if (MOZ_UNLIKELY(mBuilder)) {
|
|
MOZ_ASSERT_UNREACHABLE("Must never switch charset with builder.");
|
|
return;
|
|
}
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
opCharsetSwitchTo opeation(aEncoding, aCharsetSource, aLineNumber);
|
|
treeOp->Init(mozilla::AsVariant(opeation));
|
|
}
|
|
|
|
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;
|
|
}
|
|
opMaybeComplainAboutCharset opeartion(const_cast<char*>(aMsgId), aError,
|
|
aLineNumber);
|
|
mOpQueue.AppendElement()->Init(mozilla::AsVariant(opeartion));
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::TryToEnableEncodingMenu() {
|
|
if (MOZ_UNLIKELY(mBuilder)) {
|
|
MOZ_ASSERT_UNREACHABLE("Must never disable encoding menu with builder.");
|
|
return;
|
|
}
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement();
|
|
NS_ASSERTION(treeOp, "Tree op allocation failed.");
|
|
treeOp->Init(mozilla::AsVariant(opEnableEncodingMenu()));
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::AddSnapshotToScript(
|
|
nsAHtml5TreeBuilderState* aSnapshot, int32_t aLine) {
|
|
if (MOZ_UNLIKELY(mBuilder)) {
|
|
MOZ_ASSERT_UNREACHABLE("Must never use snapshots with builder.");
|
|
return;
|
|
}
|
|
MOZ_ASSERT(HasScript(), "No script to add a snapshot to!");
|
|
MOZ_ASSERT(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
|
|
opMarkAsBroken operation(aRv);
|
|
mOpQueue.AppendElement()->Init(mozilla::AsVariant(operation));
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::MarkAsBrokenFromPortability(nsresult aRv) {
|
|
if (mBuilder) {
|
|
MarkAsBrokenAndRequestSuspensionWithBuilder(aRv);
|
|
return;
|
|
}
|
|
mBroken = aRv;
|
|
requestSuspension();
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::StartPlainTextViewSource(const nsAutoString& aTitle) {
|
|
MOZ_ASSERT(!mBuilder, "Must not view source with builder.");
|
|
|
|
startTag(nsHtml5ElementName::ELT_META,
|
|
nsHtml5ViewSourceUtils::NewMetaViewportAttributes(), false);
|
|
|
|
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);
|
|
|
|
startTag(nsHtml5ElementName::ELT_BODY,
|
|
nsHtml5PlainTextUtils::NewBodyAttributes(), 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(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return;
|
|
}
|
|
treeOp->Init(mozilla::AsVariant(m));
|
|
}
|
|
|
|
nsIContentHandle* nsHtml5TreeBuilder::getDocumentFragmentForTemplate(
|
|
nsIContentHandle* aTemplate) {
|
|
if (mBuilder) {
|
|
return nsHtml5TreeOperation::GetDocumentFragmentForTemplate(
|
|
static_cast<nsIContent*>(aTemplate));
|
|
}
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement(mozilla::fallible);
|
|
if (MOZ_UNLIKELY(!treeOp)) {
|
|
MarkAsBrokenAndRequestSuspensionWithoutBuilder(NS_ERROR_OUT_OF_MEMORY);
|
|
return nullptr;
|
|
}
|
|
nsIContentHandle* fragHandle = AllocateContentHandle();
|
|
opGetDocumentFragmentForTemplate operation(aTemplate, fragHandle);
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
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<nsIContent*>(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::errDeepTree() {
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errDeepTree");
|
|
} else if (!mBuilder) {
|
|
nsHtml5TreeOperation* treeOp = mOpQueue.AppendElement();
|
|
MOZ_ASSERT(treeOp, "Tree op allocation failed.");
|
|
opMaybeComplainAboutDeepTree operation(tokenizer->getLineNumber());
|
|
treeOp->Init(mozilla::AsVariant(operation));
|
|
}
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::errStrayStartTag(nsAtom* aName) {
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errStrayStartTag2", aName);
|
|
}
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::errStrayEndTag(nsAtom* aName) {
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errStrayEndTag", aName);
|
|
}
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::errUnclosedElements(int32_t aIndex, nsAtom* aName) {
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errUnclosedElements", aName);
|
|
}
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::errUnclosedElementsImplied(int32_t aIndex,
|
|
nsAtom* 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(nsAtom* 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(nsAtom* aName) {
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errStartTagWithSelectOpen", aName);
|
|
}
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::errBadStartTagInNoscriptInHead(nsAtom* aName) {
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errBadStartTagInNoscriptInHead", aName);
|
|
}
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::errImage() {
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errImage");
|
|
}
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::errIsindex() {
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errIsindex");
|
|
}
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::errFooSeenWhenFooOpen(nsAtom* aName) {
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errFooSeenWhenFooOpen2", 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(nsAtom* 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(nsAtom* 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(nsAtom* 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(nsAtom* aName) {
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errNoElementToCloseButEndTagSeen",
|
|
aName);
|
|
}
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::errHtmlStartTagInForeignContext(nsAtom* aName) {
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errHtmlStartTagInForeignContext", aName);
|
|
}
|
|
}
|
|
|
|
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(nsAtom* 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(
|
|
nsAtom* aName, nsAtom* aOther) {
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errEndTagDidNotMatchCurrentOpenElement",
|
|
aName, aOther);
|
|
}
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::errEndTagViolatesNestingRules(nsAtom* aName) {
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errEndTagViolatesNestingRules", aName);
|
|
}
|
|
}
|
|
|
|
void nsHtml5TreeBuilder::errEndWithUnclosedElements(nsAtom* aName) {
|
|
if (MOZ_UNLIKELY(mViewSource)) {
|
|
mViewSource->AddErrorToCurrentRun("errEndWithUnclosedElements", aName);
|
|
}
|
|
}
|