michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsHtml5StringParser.h"
michael@0: #include "nsHtml5TreeOpExecutor.h"
michael@0: #include "nsHtml5TreeBuilder.h"
michael@0: #include "nsHtml5Tokenizer.h"
michael@0: #include "nsIContent.h"
michael@0: #include "nsIDocument.h"
michael@0: #include "nsIDOMDocumentFragment.h"
michael@0: #include "nsHtml5DependentUTF16Buffer.h"
michael@0: 
michael@0: NS_IMPL_ISUPPORTS0(nsHtml5StringParser)
michael@0: 
michael@0: nsHtml5StringParser::nsHtml5StringParser()
michael@0:   : mBuilder(new nsHtml5OplessBuilder())
michael@0:   , mTreeBuilder(new nsHtml5TreeBuilder(mBuilder))
michael@0:   , mTokenizer(new nsHtml5Tokenizer(mTreeBuilder, false))
michael@0: {
michael@0:   MOZ_COUNT_CTOR(nsHtml5StringParser);
michael@0:   mTokenizer->setInterner(&mAtomTable);
michael@0: }
michael@0: 
michael@0: nsHtml5StringParser::~nsHtml5StringParser()
michael@0: {
michael@0:   MOZ_COUNT_DTOR(nsHtml5StringParser);
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsHtml5StringParser::ParseFragment(const nsAString& aSourceBuffer,
michael@0:                                    nsIContent* aTargetNode,
michael@0:                                    nsIAtom* aContextLocalName,
michael@0:                                    int32_t aContextNamespace,
michael@0:                                    bool aQuirks,
michael@0:                                    bool aPreventScriptExecution)
michael@0: {
michael@0:   NS_ENSURE_TRUE(aSourceBuffer.Length() <= INT32_MAX,
michael@0:                  NS_ERROR_OUT_OF_MEMORY);
michael@0: 
michael@0:   nsIDocument* doc = aTargetNode->OwnerDoc();
michael@0:   nsIURI* uri = doc->GetDocumentURI();
michael@0:   NS_ENSURE_TRUE(uri, NS_ERROR_NOT_AVAILABLE);
michael@0: 
michael@0:   mTreeBuilder->setFragmentContext(aContextLocalName,
michael@0:                                    aContextNamespace,
michael@0:                                    aTargetNode,
michael@0:                                    aQuirks);
michael@0: 
michael@0: #ifdef DEBUG
michael@0:   if (!aPreventScriptExecution) {
michael@0:     NS_ASSERTION(!aTargetNode->IsInDoc(),
michael@0:                  "If script execution isn't prevented, "
michael@0:                  "the target node must not be in doc.");
michael@0:     nsCOMPtr<nsIDOMDocumentFragment> domFrag = do_QueryInterface(aTargetNode);
michael@0:     NS_ASSERTION(domFrag,
michael@0:       "If script execution isn't prevented, must parse to DOM fragment.");
michael@0:   }
michael@0: #endif
michael@0: 
michael@0:   mTreeBuilder->SetPreventScriptExecution(aPreventScriptExecution);
michael@0: 
michael@0:   return Tokenize(aSourceBuffer, doc, true);
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsHtml5StringParser::ParseDocument(const nsAString& aSourceBuffer,
michael@0:                                    nsIDocument* aTargetDoc,
michael@0:                                    bool aScriptingEnabledForNoscriptParsing)
michael@0: {
michael@0:   MOZ_ASSERT(!aTargetDoc->GetFirstChild());
michael@0: 
michael@0:   NS_ENSURE_TRUE(aSourceBuffer.Length() <= INT32_MAX,
michael@0:                  NS_ERROR_OUT_OF_MEMORY);
michael@0: 
michael@0:   mTreeBuilder->setFragmentContext(nullptr,
michael@0:                                    kNameSpaceID_None,
michael@0:                                    nullptr,
michael@0:                                    false);
michael@0: 
michael@0:   mTreeBuilder->SetPreventScriptExecution(true);
michael@0: 
michael@0:   return Tokenize(aSourceBuffer, aTargetDoc, aScriptingEnabledForNoscriptParsing);
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: nsHtml5StringParser::Tokenize(const nsAString& aSourceBuffer,
michael@0:                               nsIDocument* aDocument,
michael@0:                               bool aScriptingEnabledForNoscriptParsing) {
michael@0: 
michael@0:   nsIURI* uri = aDocument->GetDocumentURI();
michael@0: 
michael@0:   mBuilder->Init(aDocument, uri, nullptr, nullptr);
michael@0: 
michael@0:   mBuilder->SetParser(this);
michael@0:   mBuilder->SetNodeInfoManager(aDocument->NodeInfoManager());
michael@0: 
michael@0:   // Mark the parser as *not* broken by passing NS_OK
michael@0:   nsresult rv = mBuilder->MarkAsBroken(NS_OK);
michael@0: 
michael@0:   mTreeBuilder->setScriptingEnabled(aScriptingEnabledForNoscriptParsing);
michael@0:   mTreeBuilder->setIsSrcdocDocument(aDocument->IsSrcdocDocument()); 
michael@0:   mBuilder->Start();
michael@0:   mTokenizer->start();
michael@0:   if (!aSourceBuffer.IsEmpty()) {
michael@0:     bool lastWasCR = false;
michael@0:     nsHtml5DependentUTF16Buffer buffer(aSourceBuffer);
michael@0:     while (buffer.hasMore()) {
michael@0:       buffer.adjust(lastWasCR);
michael@0:       lastWasCR = false;
michael@0:       if (buffer.hasMore()) {
michael@0:         lastWasCR = mTokenizer->tokenizeBuffer(&buffer);
michael@0:         if (NS_FAILED(rv = mBuilder->IsBroken())) {
michael@0:           break;
michael@0:         }
michael@0:       }
michael@0:     }
michael@0:   }
michael@0:   mTokenizer->eof();
michael@0:   mTokenizer->end();
michael@0:   mBuilder->Finish();
michael@0:   mAtomTable.Clear();
michael@0:   return rv;
michael@0: }