bool V0CustomElementConstructorBuilder::validateOptions(const AtomicString& type, QualifiedName& tagName, ExceptionState& exceptionState)
{
ASSERT(m_prototype.IsEmpty());
v8::TryCatch tryCatch(m_scriptState->isolate());
if (!m_scriptState->perContextData()) {
// FIXME: This should generate an InvalidContext exception at a later point.
V0CustomElementException::throwException(V0CustomElementException::ContextDestroyedCheckingPrototype, type, exceptionState);
tryCatch.ReThrow();
return false;
}
if (m_options.hasPrototype()) {
ASSERT(m_options.prototype().isObject());
m_prototype = m_options.prototype().v8Value().As<v8::Object>();
} else {
m_prototype = v8::Object::New(m_scriptState->isolate());
v8::Local<v8::Object> basePrototype = m_scriptState->perContextData()->prototypeForType(&V8HTMLElement::wrapperTypeInfo);
if (!basePrototype.IsEmpty()) {
if (!v8CallBoolean(m_prototype->SetPrototype(m_scriptState->context(), basePrototype)))
return false;
}
}
AtomicString namespaceURI = HTMLNames::xhtmlNamespaceURI;
if (hasValidPrototypeChainFor(&V8SVGElement::wrapperTypeInfo))
namespaceURI = SVGNames::svgNamespaceURI;
ASSERT(!tryCatch.HasCaught());
AtomicString localName;
if (m_options.hasExtends()) {
localName = AtomicString(m_options.extends().lower());
if (!Document::isValidName(localName)) {
V0CustomElementException::throwException(V0CustomElementException::ExtendsIsInvalidName, type, exceptionState);
tryCatch.ReThrow();
return false;
}
if (V0CustomElement::isValidName(localName)) {
V0CustomElementException::throwException(V0CustomElementException::ExtendsIsCustomElementName, type, exceptionState);
tryCatch.ReThrow();
return false;
}
} else {
if (namespaceURI == SVGNames::svgNamespaceURI) {
V0CustomElementException::throwException(V0CustomElementException::ExtendsIsInvalidName, type, exceptionState);
tryCatch.ReThrow();
return false;
}
localName = type;
}
ASSERT(!tryCatch.HasCaught());
tagName = QualifiedName(nullAtom, localName, namespaceURI);
return true;
}
bool CustomElementConstructorBuilder::validateOptions(const AtomicString& type, QualifiedName& tagName, ExceptionState& exceptionState)
{
ASSERT(m_prototype.IsEmpty());
v8::TryCatch tryCatch;
ScriptValue prototypeScriptValue;
if (m_options->get("prototype", prototypeScriptValue) && !prototypeScriptValue.isNull()) {
ASSERT(!tryCatch.HasCaught());
if (!prototypeScriptValue.isObject()) {
CustomElementException::throwException(CustomElementException::PrototypeNotAnObject, type, exceptionState);
tryCatch.ReThrow();
return false;
}
m_prototype = prototypeScriptValue.v8Value().As<v8::Object>();
} else if (!tryCatch.HasCaught()) {
m_prototype = v8::Object::New(m_scriptState->isolate());
v8::Local<v8::Object> basePrototype = m_scriptState->perContextData()->prototypeForType(&V8HTMLElement::wrapperTypeInfo);
if (!basePrototype.IsEmpty())
m_prototype->SetPrototype(basePrototype);
}
if (tryCatch.HasCaught()) {
tryCatch.ReThrow();
return false;
}
AtomicString extends;
bool extendsProvidedAndNonNull = m_options->get("extends", extends);
if (tryCatch.HasCaught()) {
tryCatch.ReThrow();
return false;
}
if (!m_scriptState->perContextData()) {
// FIXME: This should generate an InvalidContext exception at a later point.
CustomElementException::throwException(CustomElementException::ContextDestroyedCheckingPrototype, type, exceptionState);
tryCatch.ReThrow();
return false;
}
AtomicString namespaceURI = HTMLNames::xhtmlNamespaceURI;
if (hasValidPrototypeChainFor(&V8SVGElement::wrapperTypeInfo))
namespaceURI = SVGNames::svgNamespaceURI;
ASSERT(!tryCatch.HasCaught());
AtomicString localName;
if (extendsProvidedAndNonNull) {
localName = extends.lower();
if (!Document::isValidName(localName)) {
CustomElementException::throwException(CustomElementException::ExtendsIsInvalidName, type, exceptionState);
tryCatch.ReThrow();
return false;
}
if (CustomElement::isValidName(localName)) {
CustomElementException::throwException(CustomElementException::ExtendsIsCustomElementName, type, exceptionState);
tryCatch.ReThrow();
return false;
}
} else {
if (namespaceURI == SVGNames::svgNamespaceURI) {
CustomElementException::throwException(CustomElementException::ExtendsIsInvalidName, type, exceptionState);
tryCatch.ReThrow();
return false;
}
localName = type;
}
if (!extendsProvidedAndNonNull)
m_wrapperType = &V8HTMLElement::wrapperTypeInfo;
else if (namespaceURI == HTMLNames::xhtmlNamespaceURI)
m_wrapperType = findWrapperTypeForHTMLTagName(localName);
else
m_wrapperType = findWrapperTypeForSVGTagName(localName);
ASSERT(!tryCatch.HasCaught());
ASSERT(m_wrapperType);
tagName = QualifiedName(nullAtom, localName, namespaceURI);
return m_wrapperType;
}
