Method RequestData

IO/TecplotTable/vtkTecplotTableReader.cxx:368–471

}

int vtkTecplotTableReader::RequestData(
  vtkInformation*, vtkInformationVector**, vtkInformationVector* outputVector)
{
  vtkTable* const output_table = vtkTable::GetData(outputVector);

  this->LastError = "";

  try
  {
    // We only retrieve one piece ...
    vtkInformation* const outInfo = outputVector->GetInformationObject(0);
    if (outInfo->Has(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER()) &&
      outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_PIECE_NUMBER()) > 0)
    {
      return 1;
    }

    if (!this->PedigreeIdArrayName)
    {
      vtkErrorMacro(<< "You must specify a pedigree id array name");
      return 0;
    }

    vtksys::ifstream file_stream;

    // If the filename hasn't been specified, we're done ...
    if (!this->FileName)
    {
      return 1;
    }
    // Get the total size of the input file in bytes
    file_stream.open(this->FileName, ios::binary);
    if (!file_stream.good())
    {
      vtkErrorMacro(<< "Unable to open input file" << std::string(this->FileName));
      return 0;
    }

    file_stream.seekg(0, ios::end);
    file_stream.seekg(0, ios::beg);

    vtkTextCodec* transCodec = vtkTextCodecFactory::CodecToHandle(file_stream);

    if (nullptr == transCodec)
    {
      // should this use the locale instead??
      return 1;
    }

    DelimitedTextIterator iterator(output_table, this->MaxRecords, this->HeaderLines,
      this->ColumnNamesOnLine, this->SkipColumnNames);

    transCodec->ToUnicode(file_stream, iterator);
    iterator.ReachedEndOfInput();
    transCodec->Delete();

    if (this->OutputPedigreeIds)
    {