forked from mirrors/gecko-dev
ec88b58413
Backed out changeset b374469160e9 (bug 1712140) Backed out changeset dfc44cccff32 (bug 1712140) Backed out changeset 3a35e1401130 (bug 1712140) Backed out changeset a93481858c38 (bug 1712140) Backed out changeset a861fd445f56 (bug 1712140) Backed out changeset dc1dc389f2dc (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;
|
|
}
|