35226d8b0a
Backed out changeset 30bdc9b15e8e (bug 959150) Backed out changeset 630e489aed30 (bug 959150) Backed out changeset c6874004efe7 (bug 959150) Backed out changeset ebc67518a962 (bug 959150) Backed out changeset 14441e528582 (bug 959150) Backed out changeset 8d0ae8bffb08 (bug 959150) Backed out changeset 603b63c33e9a (bug 959150) Backed out changeset 261e2d244c54 (bug 959150)
137 lines
4.6 KiB
C++
137 lines
4.6 KiB
C++
/* 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 "nsHtml5StringParser.h"
|
|
#include "nsHtml5TreeOpExecutor.h"
|
|
#include "nsHtml5TreeBuilder.h"
|
|
#include "nsHtml5Tokenizer.h"
|
|
#include "nsIContent.h"
|
|
#include "nsIDocument.h"
|
|
#include "nsIDOMDocumentFragment.h"
|
|
#include "nsHtml5DependentUTF16Buffer.h"
|
|
|
|
NS_IMPL_ISUPPORTS0(nsHtml5StringParser)
|
|
|
|
nsHtml5StringParser::nsHtml5StringParser()
|
|
: mExecutor(new nsHtml5TreeOpExecutor(true))
|
|
, mTreeBuilder(new nsHtml5TreeBuilder(mExecutor, nullptr))
|
|
, mTokenizer(new nsHtml5Tokenizer(mTreeBuilder, false))
|
|
{
|
|
MOZ_COUNT_CTOR(nsHtml5StringParser);
|
|
mTokenizer->setInterner(&mAtomTable);
|
|
}
|
|
|
|
nsHtml5StringParser::~nsHtml5StringParser()
|
|
{
|
|
MOZ_COUNT_DTOR(nsHtml5StringParser);
|
|
}
|
|
|
|
nsresult
|
|
nsHtml5StringParser::ParseFragment(const nsAString& aSourceBuffer,
|
|
nsIContent* aTargetNode,
|
|
nsIAtom* aContextLocalName,
|
|
int32_t aContextNamespace,
|
|
bool aQuirks,
|
|
bool aPreventScriptExecution)
|
|
{
|
|
NS_ENSURE_TRUE(aSourceBuffer.Length() <= INT32_MAX,
|
|
NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
nsIDocument* doc = aTargetNode->OwnerDoc();
|
|
nsIURI* uri = doc->GetDocumentURI();
|
|
NS_ENSURE_TRUE(uri, NS_ERROR_NOT_AVAILABLE);
|
|
|
|
nsIContent* target = aTargetNode;
|
|
mTreeBuilder->setFragmentContext(aContextLocalName,
|
|
aContextNamespace,
|
|
&target,
|
|
aQuirks);
|
|
|
|
#ifdef DEBUG
|
|
if (!aPreventScriptExecution) {
|
|
NS_ASSERTION(!aTargetNode->IsInDoc(),
|
|
"If script execution isn't prevented, "
|
|
"the target node must not be in doc.");
|
|
nsCOMPtr<nsIDOMDocumentFragment> domFrag = do_QueryInterface(aTargetNode);
|
|
NS_ASSERTION(domFrag,
|
|
"If script execution isn't prevented, must parse to DOM fragment.");
|
|
}
|
|
#endif
|
|
|
|
mTreeBuilder->SetPreventScriptExecution(aPreventScriptExecution);
|
|
|
|
Tokenize(aSourceBuffer, doc, true);
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHtml5StringParser::ParseDocument(const nsAString& aSourceBuffer,
|
|
nsIDocument* aTargetDoc,
|
|
bool aScriptingEnabledForNoscriptParsing)
|
|
{
|
|
MOZ_ASSERT(!aTargetDoc->GetFirstChild());
|
|
|
|
NS_ENSURE_TRUE(aSourceBuffer.Length() <= INT32_MAX,
|
|
NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
mTreeBuilder->setFragmentContext(nullptr,
|
|
kNameSpaceID_None,
|
|
nullptr,
|
|
false);
|
|
|
|
mTreeBuilder->SetPreventScriptExecution(true);
|
|
|
|
Tokenize(aSourceBuffer, aTargetDoc, aScriptingEnabledForNoscriptParsing);
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsHtml5StringParser::Tokenize(const nsAString& aSourceBuffer,
|
|
nsIDocument* aDocument,
|
|
bool aScriptingEnabledForNoscriptParsing) {
|
|
|
|
nsIURI* uri = aDocument->GetDocumentURI();
|
|
|
|
mExecutor->Init(aDocument, uri, nullptr, nullptr);
|
|
|
|
mExecutor->SetParser(this);
|
|
mExecutor->SetNodeInfoManager(aDocument->NodeInfoManager());
|
|
|
|
NS_PRECONDITION(!mExecutor->HasStarted(),
|
|
"Tried to start parse without initializing the parser.");
|
|
mTreeBuilder->setScriptingEnabled(aScriptingEnabledForNoscriptParsing);
|
|
mTreeBuilder->setIsSrcdocDocument(aDocument->IsSrcdocDocument());
|
|
mTokenizer->start();
|
|
mExecutor->Start(); // Don't call WillBuildModel in fragment case
|
|
if (!aSourceBuffer.IsEmpty()) {
|
|
bool lastWasCR = false;
|
|
nsHtml5DependentUTF16Buffer buffer(aSourceBuffer);
|
|
while (buffer.hasMore()) {
|
|
buffer.adjust(lastWasCR);
|
|
lastWasCR = false;
|
|
if (buffer.hasMore()) {
|
|
lastWasCR = mTokenizer->tokenizeBuffer(&buffer);
|
|
if (mTreeBuilder->HasScript()) {
|
|
// If we come here, we are in createContextualFragment() or in the
|
|
// upcoming document.parse(). It's unclear if it's really necessary
|
|
// to flush here, but let's do so for consistency with other flushes
|
|
// to avoid different code paths on the executor side.
|
|
mTreeBuilder->Flush(); // Move ops to the executor
|
|
mExecutor->FlushDocumentWrite(); // run the ops
|
|
}
|
|
}
|
|
}
|
|
}
|
|
mTokenizer->eof();
|
|
mTreeBuilder->StreamEnded();
|
|
mTreeBuilder->Flush();
|
|
mExecutor->FlushDocumentWrite();
|
|
mTokenizer->end();
|
|
mExecutor->DropParserAndPerfHint();
|
|
mExecutor->DropHeldElements();
|
|
mTreeBuilder->DropHandles();
|
|
mAtomTable.Clear();
|
|
mExecutor->Reset();
|
|
}
|