Method Pull

Remoting/ServerManager/vtkSIStringVectorProperty.cxx:62–125

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//---------------------------------------------------------------------------
bool vtkSIStringVectorProperty::Pull(vtkSMMessage* message)
{
  if (!this->InformationOnly)
  {
    return this->Superclass::Pull(message);
  }

  if (!this->GetCommand())
  {
    // I would say that we should return false since an InformationOnly property
    // as no meaning if no command is set, but for some legacy reason we just
    // skip the processing if no command is provided.
    return true;
  }

  // Invoke property's method on the root node of the server
  vtkClientServerStream str;
  str << vtkClientServerStream::Invoke << this->GetVTKObject() << this->GetCommand()
      << vtkClientServerStream::End;

  this->ProcessMessage(str);

  // Get the result
  const vtkClientServerStream& res = this->GetLastResult();

  int numMsgs = res.GetNumberOfMessages();
  if (numMsgs < 1)
  {
    return true;
  }

  const int numArgs = res.GetNumberOfArguments(0);
  if (numArgs < 1)
  {
    return true;
  }

  // now add the single 'value' to the message.
  ProxyState_Property* prop = message->AddExtension(ProxyState::property);
  prop->set_name(this->GetXMLName());
  Variant* var = prop->mutable_value();
  var->set_type(Variant_Type_STRING);

  for (int argIdx = 0; argIdx < numArgs; ++argIdx)
  {
    const char* arg = nullptr;
    int retVal = res.GetArgument(0, argIdx, &arg);
    if (retVal == 0)
    {
      // failed to parse as string.
      return false;
    }

    if (!arg)
    {
      var->add_txt(std::string());
    }
    else