138 lines
4.0 KiB
C++
138 lines
4.0 KiB
C++
/* 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 "nsHtml5AttributeName.h"
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#include "nsHtml5ElementName.h"
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#include "nsHtml5HtmlAttributes.h"
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#include "nsHtml5NamedCharacters.h"
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#include "nsHtml5Portability.h"
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#include "nsHtml5StackNode.h"
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#include "nsHtml5Tokenizer.h"
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#include "nsHtml5TreeBuilder.h"
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#include "nsHtml5UTF16Buffer.h"
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#include "nsHtml5Module.h"
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#include "nsIObserverService.h"
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#include "nsIServiceManager.h"
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#include "mozilla/Services.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/Attributes.h"
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using namespace mozilla;
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// static
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bool nsHtml5Module::sOffMainThread = true;
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nsIThread* nsHtml5Module::sStreamParserThread = nullptr;
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nsIThread* nsHtml5Module::sMainThread = nullptr;
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// static
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void
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nsHtml5Module::InitializeStatics()
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{
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Preferences::AddBoolVarCache(&sOffMainThread, "html5.offmainthread");
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nsHtml5AttributeName::initializeStatics();
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nsHtml5ElementName::initializeStatics();
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nsHtml5HtmlAttributes::initializeStatics();
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nsHtml5NamedCharacters::initializeStatics();
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nsHtml5Portability::initializeStatics();
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nsHtml5StackNode::initializeStatics();
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nsHtml5Tokenizer::initializeStatics();
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nsHtml5TreeBuilder::initializeStatics();
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nsHtml5UTF16Buffer::initializeStatics();
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nsHtml5StreamParser::InitializeStatics();
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nsHtml5TreeOpExecutor::InitializeStatics();
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#ifdef DEBUG
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sNsHtml5ModuleInitialized = true;
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#endif
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}
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// static
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void
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nsHtml5Module::ReleaseStatics()
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{
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#ifdef DEBUG
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sNsHtml5ModuleInitialized = false;
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#endif
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nsHtml5AttributeName::releaseStatics();
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nsHtml5ElementName::releaseStatics();
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nsHtml5HtmlAttributes::releaseStatics();
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nsHtml5NamedCharacters::releaseStatics();
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nsHtml5Portability::releaseStatics();
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nsHtml5StackNode::releaseStatics();
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nsHtml5Tokenizer::releaseStatics();
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nsHtml5TreeBuilder::releaseStatics();
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nsHtml5UTF16Buffer::releaseStatics();
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NS_IF_RELEASE(sStreamParserThread);
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NS_IF_RELEASE(sMainThread);
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}
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// static
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already_AddRefed<nsIParser>
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nsHtml5Module::NewHtml5Parser()
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{
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MOZ_ASSERT(sNsHtml5ModuleInitialized, "nsHtml5Module not initialized.");
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nsCOMPtr<nsIParser> rv = new nsHtml5Parser();
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return rv.forget();
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}
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// static
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nsresult
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nsHtml5Module::Initialize(nsIParser* aParser, nsIDocument* aDoc, nsIURI* aURI, nsISupports* aContainer, nsIChannel* aChannel)
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{
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MOZ_ASSERT(sNsHtml5ModuleInitialized, "nsHtml5Module not initialized.");
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nsHtml5Parser* parser = static_cast<nsHtml5Parser*> (aParser);
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return parser->Initialize(aDoc, aURI, aContainer, aChannel);
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}
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class nsHtml5ParserThreadTerminator final : public nsIObserver
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{
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public:
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NS_DECL_ISUPPORTS
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explicit nsHtml5ParserThreadTerminator(nsIThread* aThread)
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: mThread(aThread)
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{}
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NS_IMETHOD Observe(nsISupports *, const char *topic, const char16_t *) override
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{
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NS_ASSERTION(!strcmp(topic, "xpcom-shutdown-threads"),
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"Unexpected topic");
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if (mThread) {
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mThread->Shutdown();
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mThread = nullptr;
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}
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return NS_OK;
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}
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private:
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~nsHtml5ParserThreadTerminator() {}
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nsCOMPtr<nsIThread> mThread;
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};
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NS_IMPL_ISUPPORTS(nsHtml5ParserThreadTerminator, nsIObserver)
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// static
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nsIThread*
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nsHtml5Module::GetStreamParserThread()
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{
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if (sOffMainThread) {
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if (!sStreamParserThread) {
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NS_NewNamedThread("HTML5 Parser", &sStreamParserThread);
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NS_ASSERTION(sStreamParserThread, "Thread creation failed!");
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nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
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NS_ASSERTION(os, "do_GetService failed");
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os->AddObserver(new nsHtml5ParserThreadTerminator(sStreamParserThread),
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"xpcom-shutdown-threads",
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false);
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}
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return sStreamParserThread;
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}
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if (!sMainThread) {
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NS_GetMainThread(&sMainThread);
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NS_ASSERTION(sMainThread, "Main thread getter failed");
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}
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return sMainThread;
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}
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#ifdef DEBUG
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bool nsHtml5Module::sNsHtml5ModuleInitialized = false;
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#endif
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