bool HTMLTreeBuilderSimulator::simulate(const CompactHTMLToken& token, HTMLTokenizer* tokenizer)
{
if (token.type() == HTMLToken::StartTag) {
const HTMLIdentifier& tagName = token.data();
if (threadSafeMatch(tagName, SVGNames::svgTag))
m_namespaceStack.append(SVG);
if (threadSafeMatch(tagName, MathMLNames::mathTag))
m_namespaceStack.append(MathML);
if (inForeignContent() && tokenExitsForeignContent(token))
m_namespaceStack.removeLast();
if ((m_namespaceStack.last() == SVG && tokenExitsSVG(token))
|| (m_namespaceStack.last() == MathML && tokenExitsMath(token)))
m_namespaceStack.append(HTML);
if (!inForeignContent()) {
// FIXME: This is just a copy of Tokenizer::updateStateFor which uses threadSafeMatches.
if (threadSafeHTMLNamesMatch(tagName, textareaTag) || threadSafeHTMLNamesMatch(tagName, titleTag))
tokenizer->setState(HTMLTokenizer::RCDATAState);
else if (threadSafeHTMLNamesMatch(tagName, plaintextTag))
tokenizer->setState(HTMLTokenizer::PLAINTEXTState);
else if (threadSafeHTMLNamesMatch(tagName, scriptTag))
tokenizer->setState(HTMLTokenizer::ScriptDataState);
else if (threadSafeHTMLNamesMatch(tagName, styleTag)
|| threadSafeHTMLNamesMatch(tagName, iframeTag)
|| threadSafeHTMLNamesMatch(tagName, xmpTag)
|| (threadSafeHTMLNamesMatch(tagName, noembedTag) && m_options.pluginsEnabled)
|| threadSafeHTMLNamesMatch(tagName, noframesTag)
|| (threadSafeHTMLNamesMatch(tagName, noscriptTag) && m_options.scriptEnabled))
tokenizer->setState(HTMLTokenizer::RAWTEXTState);
}
}
if (token.type() == HTMLToken::EndTag) {
const HTMLIdentifier& tagName = token.data();
if ((m_namespaceStack.last() == SVG && threadSafeMatch(tagName, SVGNames::svgTag))
|| (m_namespaceStack.last() == MathML && threadSafeMatch(tagName, MathMLNames::mathTag))
|| (m_namespaceStack.contains(SVG) && m_namespaceStack.last() == HTML && tokenExitsSVG(token))
|| (m_namespaceStack.contains(MathML) && m_namespaceStack.last() == HTML && tokenExitsMath(token)))
m_namespaceStack.removeLast();
if (threadSafeHTMLNamesMatch(tagName, scriptTag)) {
if (!inForeignContent())
tokenizer->setState(HTMLTokenizer::DataState);
return false;
}
}
// FIXME: Also setForceNullCharacterReplacement when in text mode.
tokenizer->setForceNullCharacterReplacement(inForeignContent());
tokenizer->setShouldAllowCDATA(inForeignContent());
return true;
}
static bool tokenExitsMath(const CompactHTMLToken& token)
{
// FIXME: This is copied from HTMLElementStack::isMathMLTextIntegrationPoint and changed to use threadSafeMatch.
const HTMLIdentifier& tagName = token.data();
return threadSafeMatch(tagName, MathMLNames::miTag)
|| threadSafeMatch(tagName, MathMLNames::moTag)
|| threadSafeMatch(tagName, MathMLNames::mnTag)
|| threadSafeMatch(tagName, MathMLNames::msTag)
|| threadSafeMatch(tagName, MathMLNames::mtextTag);
}
static bool tokenExitsForeignContent(const CompactHTMLToken& token)
{
// FIXME: This is copied from HTMLTreeBuilder::processTokenInForeignContent and changed to use threadSafeHTMLNamesMatch.
const HTMLIdentifier& tagName = token.data();
return threadSafeHTMLNamesMatch(tagName, bTag)
|| threadSafeHTMLNamesMatch(tagName, bigTag)
|| threadSafeHTMLNamesMatch(tagName, blockquoteTag)
|| threadSafeHTMLNamesMatch(tagName, bodyTag)
|| threadSafeHTMLNamesMatch(tagName, brTag)
|| threadSafeHTMLNamesMatch(tagName, centerTag)
|| threadSafeHTMLNamesMatch(tagName, codeTag)
|| threadSafeHTMLNamesMatch(tagName, ddTag)
|| threadSafeHTMLNamesMatch(tagName, divTag)
|| threadSafeHTMLNamesMatch(tagName, dlTag)
|| threadSafeHTMLNamesMatch(tagName, dtTag)
|| threadSafeHTMLNamesMatch(tagName, emTag)
|| threadSafeHTMLNamesMatch(tagName, embedTag)
|| threadSafeHTMLNamesMatch(tagName, h1Tag)
|| threadSafeHTMLNamesMatch(tagName, h2Tag)
|| threadSafeHTMLNamesMatch(tagName, h3Tag)
|| threadSafeHTMLNamesMatch(tagName, h4Tag)
|| threadSafeHTMLNamesMatch(tagName, h5Tag)
|| threadSafeHTMLNamesMatch(tagName, h6Tag)
|| threadSafeHTMLNamesMatch(tagName, headTag)
|| threadSafeHTMLNamesMatch(tagName, hrTag)
|| threadSafeHTMLNamesMatch(tagName, iTag)
|| threadSafeHTMLNamesMatch(tagName, imgTag)
|| threadSafeHTMLNamesMatch(tagName, liTag)
|| threadSafeHTMLNamesMatch(tagName, listingTag)
|| threadSafeHTMLNamesMatch(tagName, menuTag)
|| threadSafeHTMLNamesMatch(tagName, metaTag)
|| threadSafeHTMLNamesMatch(tagName, nobrTag)
|| threadSafeHTMLNamesMatch(tagName, olTag)
|| threadSafeHTMLNamesMatch(tagName, pTag)
|| threadSafeHTMLNamesMatch(tagName, preTag)
|| threadSafeHTMLNamesMatch(tagName, rubyTag)
|| threadSafeHTMLNamesMatch(tagName, sTag)
|| threadSafeHTMLNamesMatch(tagName, smallTag)
|| threadSafeHTMLNamesMatch(tagName, spanTag)
|| threadSafeHTMLNamesMatch(tagName, strongTag)
|| threadSafeHTMLNamesMatch(tagName, strikeTag)
|| threadSafeHTMLNamesMatch(tagName, subTag)
|| threadSafeHTMLNamesMatch(tagName, supTag)
|| threadSafeHTMLNamesMatch(tagName, tableTag)
|| threadSafeHTMLNamesMatch(tagName, ttTag)
|| threadSafeHTMLNamesMatch(tagName, uTag)
|| threadSafeHTMLNamesMatch(tagName, ulTag)
|| threadSafeHTMLNamesMatch(tagName, varTag)
|| (threadSafeHTMLNamesMatch(tagName, fontTag) && (token.getAttributeItem(colorAttr) || token.getAttributeItem(faceAttr) || token.getAttributeItem(sizeAttr)));
}
bool BackgroundHTMLParser::simulateTreeBuilder(const CompactHTMLToken& token)
{
if (token.type() == HTMLTokenTypes::StartTag) {
const String& tagName = token.data();
if (threadSafeMatch(tagName, SVGNames::svgTag)
|| threadSafeMatch(tagName, MathMLNames::mathTag))
m_inForeignContent = true;
// FIXME: This is just a copy of Tokenizer::updateStateFor which uses threadSafeMatches.
if (threadSafeMatch(tagName, textareaTag) || threadSafeMatch(tagName, titleTag))
m_tokenizer->setState(HTMLTokenizerState::RCDATAState);
else if (threadSafeMatch(tagName, plaintextTag))
m_tokenizer->setState(HTMLTokenizerState::PLAINTEXTState);
else if (threadSafeMatch(tagName, scriptTag))
m_tokenizer->setState(HTMLTokenizerState::ScriptDataState);
else if (threadSafeMatch(tagName, styleTag)
|| threadSafeMatch(tagName, iframeTag)
|| threadSafeMatch(tagName, xmpTag)
|| (threadSafeMatch(tagName, noembedTag) && m_options.pluginsEnabled)
|| threadSafeMatch(tagName, noframesTag)
|| (threadSafeMatch(tagName, noscriptTag) && m_options.scriptEnabled))
m_tokenizer->setState(HTMLTokenizerState::RAWTEXTState);
}
if (token.type() == HTMLTokenTypes::EndTag) {
const String& tagName = token.data();
if (threadSafeMatch(tagName, SVGNames::svgTag) || threadSafeMatch(tagName, MathMLNames::mathTag))
m_inForeignContent = false;
if (threadSafeMatch(tagName, scriptTag))
return false;
}
// FIXME: Need to set setForceNullCharacterReplacement based on m_inForeignContent as well.
m_tokenizer->setShouldAllowCDATA(m_inForeignContent);
return true;
}
static bool tokenExitsSVG(const CompactHTMLToken& token)
{
// FIXME: It's very fragile that we special case foreignObject here to be case-insensitive.
return equalIgnoringCaseNonNull(token.data().asStringImpl(), SVGNames::foreignObjectTag.localName().impl());
}
static bool tokenExitsSVG(const CompactHTMLToken& token)
{
const String& tagName = token.data();
return equalIgnoringCase(tagName, SVGNames::foreignObjectTag.localName());
}