Method SetFieldDataInfo

IO/XML/vtkXMLReader.cxx:1801–1905

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//------------------------------------------------------------------------------
int vtkXMLReader::SetFieldDataInfo(
  vtkXMLDataElement* eDSA, int association, vtkIdType numTuples, vtkInformationVector*(&infoVector))
{
  if (!eDSA)
  {
    return 1;
  }

  char* attributeName[vtkDataSetAttributes::NUM_ATTRIBUTES];

  for (int i = 0; i < vtkDataSetAttributes::NUM_ATTRIBUTES; i++)
  {
    const char* attrName = vtkDataSetAttributes::GetAttributeTypeAsString(i);
    const char* name = eDSA->GetAttribute(attrName);
    if (name)
    {
      attributeName[i] = new char[strlen(name) + 1];
      strcpy(attributeName[i], name);
    }
    else
    {
      attributeName[i] = nullptr;
    }
  }

  if (!infoVector)
  {
    infoVector = vtkInformationVector::New();
  }

  vtkInformation* info = nullptr;

  // Cycle through each data array
  for (int i = 0; i < eDSA->GetNumberOfNestedElements(); i++)
  {
    vtkXMLDataElement* eNested = eDSA->GetNestedElement(i);
    int components, dataType, activeFlag = 0;

    info = vtkInformation::New();
    info->Set(vtkDataObject::FIELD_ASSOCIATION(), association);
    info->Set(vtkDataObject::FIELD_NUMBER_OF_TUPLES(), numTuples);

    const char* name = eNested->GetAttribute("Name");
    if (!name)
    {
      this->InformationError = 1;
      break;
    }
    info->Set(vtkDataObject::FIELD_NAME(), name);

    // Search for matching attribute name
    for (int j = 0; j < vtkDataSetAttributes::NUM_ATTRIBUTES; j++)
    {
      if (attributeName[j] && !strcmp(name, attributeName[j]))
      {
        // set appropriate bit to indicate an active attribute type
        activeFlag |= 1 << j;
        break;