diff options
Diffstat (limited to 'parser/html/nsHtml5DocumentBuilder.cpp')
-rw-r--r-- | parser/html/nsHtml5DocumentBuilder.cpp | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/parser/html/nsHtml5DocumentBuilder.cpp b/parser/html/nsHtml5DocumentBuilder.cpp new file mode 100644 index 0000000000..b2220253dc --- /dev/null +++ b/parser/html/nsHtml5DocumentBuilder.cpp @@ -0,0 +1,107 @@ +/* -*- 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 "nsHtml5DocumentBuilder.h" + +#include "mozilla/dom/ScriptLoader.h" +#include "mozilla/dom/LinkStyle.h" +#include "nsNameSpaceManager.h" + +using mozilla::dom::LinkStyle; + +NS_IMPL_CYCLE_COLLECTION_INHERITED(nsHtml5DocumentBuilder, nsContentSink, + mOwnedElements) + +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsHtml5DocumentBuilder) +NS_INTERFACE_MAP_END_INHERITING(nsContentSink) + +NS_IMPL_ADDREF_INHERITED(nsHtml5DocumentBuilder, nsContentSink) +NS_IMPL_RELEASE_INHERITED(nsHtml5DocumentBuilder, nsContentSink) + +nsHtml5DocumentBuilder::nsHtml5DocumentBuilder(bool aRunsToCompletion) + : mBroken(NS_OK), mFlushState(eHtml5FlushState::eNotFlushing) { + mRunsToCompletion = aRunsToCompletion; +} + +nsresult nsHtml5DocumentBuilder::Init(mozilla::dom::Document* aDoc, + nsIURI* aURI, nsISupports* aContainer, + nsIChannel* aChannel) { + return nsContentSink::Init(aDoc, aURI, aContainer, aChannel); +} + +nsHtml5DocumentBuilder::~nsHtml5DocumentBuilder() = default; + +nsresult nsHtml5DocumentBuilder::MarkAsBroken(nsresult aReason) { + mBroken = aReason; + return aReason; +} + +void nsHtml5DocumentBuilder::UpdateStyleSheet(nsIContent* aElement) { + auto* linkStyle = LinkStyle::FromNode(*aElement); + if (!linkStyle) { + MOZ_ASSERT(nsNameSpaceManager::GetInstance()->mSVGDisabled, + "Node didn't QI to style, but SVG wasn't disabled."); + return; + } + + auto updateOrError = linkStyle->EnableUpdatesAndUpdateStyleSheet( + mRunsToCompletion ? nullptr : this); + + if (updateOrError.isOk() && updateOrError.unwrap().ShouldBlock() && + !mRunsToCompletion) { + ++mPendingSheetCount; + mScriptLoader->AddParserBlockingScriptExecutionBlocker(); + } +} + +void nsHtml5DocumentBuilder::SetDocumentMode(nsHtml5DocumentMode m) { + nsCompatibility mode = eCompatibility_NavQuirks; + const char* errMsgId = nullptr; + + switch (m) { + case STANDARDS_MODE: + mode = eCompatibility_FullStandards; + break; + case ALMOST_STANDARDS_MODE: + mode = eCompatibility_AlmostStandards; + errMsgId = "errAlmostStandardsDoctypeVerbose"; + break; + case QUIRKS_MODE: + mode = eCompatibility_NavQuirks; + errMsgId = "errQuirkyDoctypeVerbose"; + break; + } + mDocument->SetCompatibilityMode(mode); + + if (errMsgId && !mDocument->IsLoadedAsData()) { + nsCOMPtr<nsIURI> docURI = mDocument->GetDocumentURI(); + bool isData = false; + docURI->SchemeIs("data", &isData); + bool isHttp = false; + docURI->SchemeIs("http", &isHttp); + bool isHttps = false; + docURI->SchemeIs("https", &isHttps); + + nsCOMPtr<nsIPrincipal> principal = mDocument->GetPrincipal(); + if (principal->GetIsNullPrincipal() && !isData && !isHttp && !isHttps) { + // Don't normally warn for null principals. It may well be internal + // documents for which the warning is not applicable. + return; + } + + nsContentUtils::ReportToConsole( + nsIScriptError::warningFlag, "HTML_PARSER__DOCTYPE"_ns, mDocument, + nsContentUtils::eHTMLPARSER_PROPERTIES, errMsgId); + } +} + +// nsContentSink overrides + +void nsHtml5DocumentBuilder::UpdateChildCounts() { + // No-op +} + +nsresult nsHtml5DocumentBuilder::FlushTags() { return NS_OK; } |