Method ReadVTKFile

IO/XML/vtkXMLReader.cxx:1041–1083

------------------------------------------------------------------------------

//------------------------------------------------------------------------------
int vtkXMLReader::ReadVTKFile(vtkXMLDataElement* eVTKFile)
{
  // Check if the file version is one we support.
  const char* version = eVTKFile->GetAttribute("version");
  if (version && !this->CanReadFileVersionString(version))
  {
    vtkWarningMacro("File version: " << version
                                     << " is higher than "
                                        "this reader supports "
                                     << vtkXMLReaderMajorVersion << "."
                                     << vtkXMLReaderMinorVersion);
  }

  ::ReadStringVersion(version, this->FileMajorVersion, this->FileMinorVersion);

  // Setup the compressor if there is one.
  const char* compressor = eVTKFile->GetAttribute("compressor");
  if (compressor)
  {
    this->SetupCompressor(compressor);
  }

  // Get the primary element.
  const char* name = this->GetDataSetName();
  vtkXMLDataElement* ePrimary = nullptr;
  for (int i = 0; i < eVTKFile->GetNumberOfNestedElements(); ++i)
  {
    vtkXMLDataElement* eNested = eVTKFile->GetNestedElement(i);
    if (strcmp(eNested->GetName(), name) == 0)
    {
      ePrimary = eNested;
      break;
    }
  }
  if (!ePrimary)
  {
    vtkErrorMacro("Cannot find " << name << " element in file.");
    return 0;
  }

  // Read the primary element.
  return this->ReadPrimaryElement(ePrimary);
}

//------------------------------------------------------------------------------
int vtkXMLReader::ReadPrimaryElement(vtkXMLDataElement* ePrimary)