Method GetAttributeValue

cpp/iedriver/Element.cpp:572–600

}

int Element::GetAttributeValue(const std::string& attribute_name,
                               VARIANT* attribute_value) {
  LOG(TRACE) << "Entering Element::GetAttributeValue";

  std::wstring wide_attribute_name = StringUtilities::ToWString(attribute_name);
  int status_code = WD_SUCCESS;

  // The atom is just the definition of an anonymous
  // function: "function() {...}"; Wrap it in another function so we can
  // invoke it with our arguments without polluting the current namespace.
  std::wstring script_source(L"(function() { return (");
  script_source += atoms::asString(atoms::GET_ATTRIBUTE);
  script_source += L")})();";

  CComPtr<IHTMLDocument2> doc;
  this->GetContainingDocument(false, &doc);
  Script script_wrapper(doc, script_source, 2);
  script_wrapper.AddArgument(this->element_);
  script_wrapper.AddArgument(wide_attribute_name);
  status_code = script_wrapper.Execute();
  
  if (status_code == WD_SUCCESS) {
    ::VariantCopy(attribute_value, &script_wrapper.result());
  } else {
    LOG(WARN) << "Failed to determine element attribute";
  }

  return WD_SUCCESS;
}

int Element::GetPropertyValue(const std::string& property_name,
                              VARIANT* property_value) {