void MainThreadDebugger::querySelectorAllCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
if (info.Length() < 1)
return;
String selector = toCoreStringWithUndefinedOrNullCheck(info[0]);
if (selector.isEmpty())
return;
Node* node = secondArgumentAsNode(info);
if (!node || !node->isContainerNode())
return;
ExceptionState exceptionState(ExceptionState::ExecutionContext, "$$",
"CommandLineAPI", info.Holder(),
info.GetIsolate());
// toV8(elementList) doesn't work here, since we need a proper Array instance,
// not NodeList.
StaticElementList* elementList = toContainerNode(node)->querySelectorAll(
AtomicString(selector), exceptionState);
if (exceptionState.hadException() || !elementList)
return;
v8::Isolate* isolate = info.GetIsolate();
v8::Local<v8::Context> context = isolate->GetCurrentContext();
v8::Local<v8::Array> nodes = v8::Array::New(isolate, elementList->length());
for (size_t i = 0; i < elementList->length(); ++i) {
Element* element = elementList->item(i);
if (!createDataPropertyInArray(
context, nodes, i, toV8(element, info.Holder(), info.GetIsolate()))
.FromMaybe(false))
return;
}
info.GetReturnValue().Set(nodes);
}
void MainThreadDebugger::xpathSelectorCallback(
const v8::FunctionCallbackInfo<v8::Value>& info) {
if (info.Length() < 1)
return;
String selector = toCoreStringWithUndefinedOrNullCheck(info[0]);
if (selector.isEmpty())
return;
Node* node = secondArgumentAsNode(info);
if (!node || !node->isContainerNode())
return;
ExceptionState exceptionState(ExceptionState::ExecutionContext, "$x",
"CommandLineAPI", info.Holder(),
info.GetIsolate());
XPathResult* result = XPathEvaluator::create()->evaluate(
selector, node, nullptr, XPathResult::kAnyType, ScriptValue(),
exceptionState);
if (exceptionState.hadException() || !result)
return;
if (result->resultType() == XPathResult::kNumberType) {
info.GetReturnValue().Set(toV8(result->numberValue(exceptionState),
info.Holder(), info.GetIsolate()));
} else if (result->resultType() == XPathResult::kStringType) {
info.GetReturnValue().Set(toV8(result->stringValue(exceptionState),
info.Holder(), info.GetIsolate()));
} else if (result->resultType() == XPathResult::kBooleanType) {
info.GetReturnValue().Set(toV8(result->booleanValue(exceptionState),
info.Holder(), info.GetIsolate()));
} else {
v8::Isolate* isolate = info.GetIsolate();
v8::Local<v8::Context> context = isolate->GetCurrentContext();
v8::Local<v8::Array> nodes = v8::Array::New(isolate);
size_t index = 0;
while (Node* node = result->iterateNext(exceptionState)) {
if (exceptionState.hadException())
return;
if (!createDataPropertyInArray(
context, nodes, index++,
toV8(node, info.Holder(), info.GetIsolate()))
.FromMaybe(false))
return;
}
info.GetReturnValue().Set(nodes);
}
}
void MainThreadDebugger::querySelectorCallback(const v8::FunctionCallbackInfo<v8::Value>& info)
{
if (info.Length() < 1)
return;
String selector = toCoreStringWithUndefinedOrNullCheck(info[0]);
if (selector.isEmpty())
return;
Node* node = secondArgumentAsNode(info);
if (!node || !node->isContainerNode())
return;
ExceptionState exceptionState(ExceptionState::ExecutionContext, "$", "CommandLineAPI", info.Holder(), info.GetIsolate());
Element* element = toContainerNode(node)->querySelector(AtomicString(selector), exceptionState);
if (exceptionState.throwIfNeeded())
return;
if (element)
info.GetReturnValue().Set(toV8(element, info.Holder(), info.GetIsolate()));
else
info.GetReturnValue().Set(v8::Null(info.GetIsolate()));
}
