forked from mirrors/gecko-dev
c69cbb70a3
Backed out changeset 554a46ed8046 (bug 1712140) Backed out changeset 14ebbfca2e84 (bug 1712140) Backed out changeset 98dd5766dd46 (bug 1712140) Backed out changeset 4241a7241a9b (bug 1712140) Backed out changeset 59ee434d503e (bug 1712140) Backed out changeset ff3bb42f91d1 (bug 1712140)
115 lines
3.8 KiB
C++
115 lines
3.8 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 "nsHtml5DependentUTF16Buffer.h"
|
|
#include "nsHtml5Tokenizer.h"
|
|
#include "nsHtml5TreeBuilder.h"
|
|
#include "nsHtml5TreeOpExecutor.h"
|
|
#include "nsIContent.h"
|
|
#include "mozilla/dom/Document.h"
|
|
#include "mozilla/dom/DocumentFragment.h"
|
|
|
|
using mozilla::dom::Document;
|
|
|
|
NS_IMPL_ISUPPORTS0(nsHtml5StringParser)
|
|
|
|
nsHtml5StringParser::nsHtml5StringParser()
|
|
: mBuilder(new nsHtml5OplessBuilder()),
|
|
mTreeBuilder(new nsHtml5TreeBuilder(mBuilder)),
|
|
mTokenizer(new nsHtml5Tokenizer(mTreeBuilder.get(), false)) {
|
|
mTokenizer->setInterner(&mAtomTable);
|
|
}
|
|
|
|
nsHtml5StringParser::~nsHtml5StringParser() {}
|
|
|
|
nsresult nsHtml5StringParser::ParseFragment(const nsAString& aSourceBuffer,
|
|
nsIContent* aTargetNode,
|
|
nsAtom* aContextLocalName,
|
|
int32_t aContextNamespace,
|
|
bool aQuirks,
|
|
bool aPreventScriptExecution) {
|
|
NS_ENSURE_TRUE(aSourceBuffer.Length() <= INT32_MAX, NS_ERROR_OUT_OF_MEMORY);
|
|
|
|
Document* doc = aTargetNode->OwnerDoc();
|
|
nsIURI* uri = doc->GetDocumentURI();
|
|
NS_ENSURE_TRUE(uri, NS_ERROR_NOT_AVAILABLE);
|
|
|
|
mTreeBuilder->setFragmentContext(aContextLocalName, aContextNamespace,
|
|
aTargetNode, aQuirks);
|
|
|
|
#ifdef DEBUG
|
|
if (!aPreventScriptExecution) {
|
|
NS_ASSERTION(!aTargetNode->IsInUncomposedDoc(),
|
|
"If script execution isn't prevented, "
|
|
"the target node must not be in doc.");
|
|
NS_ASSERTION(
|
|
aTargetNode->NodeType() == nsINode::DOCUMENT_FRAGMENT_NODE,
|
|
"If script execution isn't prevented, must parse to DOM fragment.");
|
|
}
|
|
#endif
|
|
|
|
mTreeBuilder->SetPreventScriptExecution(aPreventScriptExecution);
|
|
|
|
return Tokenize(aSourceBuffer, doc, true);
|
|
}
|
|
|
|
nsresult nsHtml5StringParser::ParseDocument(
|
|
const nsAString& aSourceBuffer, Document* 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);
|
|
|
|
return Tokenize(aSourceBuffer, aTargetDoc,
|
|
aScriptingEnabledForNoscriptParsing);
|
|
}
|
|
|
|
nsresult nsHtml5StringParser::Tokenize(
|
|
const nsAString& aSourceBuffer, Document* aDocument,
|
|
bool aScriptingEnabledForNoscriptParsing) {
|
|
nsIURI* uri = aDocument->GetDocumentURI();
|
|
|
|
mBuilder->Init(aDocument, uri, nullptr, nullptr);
|
|
|
|
mBuilder->SetParser(this);
|
|
mBuilder->SetNodeInfoManager(aDocument->NodeInfoManager());
|
|
|
|
// Mark the parser as *not* broken by passing NS_OK
|
|
nsresult rv = mBuilder->MarkAsBroken(NS_OK);
|
|
|
|
mTreeBuilder->setScriptingEnabled(aScriptingEnabledForNoscriptParsing);
|
|
mTreeBuilder->setIsSrcdocDocument(aDocument->IsSrcdocDocument());
|
|
mBuilder->Start();
|
|
mTokenizer->start();
|
|
if (!aSourceBuffer.IsEmpty()) {
|
|
bool lastWasCR = false;
|
|
nsHtml5DependentUTF16Buffer buffer(aSourceBuffer);
|
|
while (buffer.hasMore()) {
|
|
buffer.adjust(lastWasCR);
|
|
lastWasCR = false;
|
|
if (buffer.hasMore()) {
|
|
if (!mTokenizer->EnsureBufferSpace(buffer.getLength())) {
|
|
rv = mBuilder->MarkAsBroken(NS_ERROR_OUT_OF_MEMORY);
|
|
break;
|
|
}
|
|
lastWasCR = mTokenizer->tokenizeBuffer(&buffer);
|
|
if (NS_FAILED(rv = mBuilder->IsBroken())) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (NS_SUCCEEDED(rv)) {
|
|
mTokenizer->eof();
|
|
}
|
|
mTokenizer->end();
|
|
mBuilder->Finish();
|
|
mAtomTable.Clear();
|
|
return rv;
|
|
}
|