Function ReadDenseArrayAscii

IO/Core/vtkArrayReader.cxx:323–361

template <typename ValueT>
vtkDenseArray<ValueT>* ReadDenseArrayAscii(istream& stream)
{
  // Create the array ...
  vtkSmartPointer<vtkDenseArray<ValueT>> array = vtkSmartPointer<vtkDenseArray<ValueT>>::New();

  // Read the file header ...
  vtkArrayExtents extents;
  vtkArrayExtents::SizeT non_null_size = 0;
  ReadHeader(stream, extents, non_null_size, array);

  if (non_null_size != extents.GetSize())
    throw std::runtime_error("Incorrect number of values for a dense array.");

  // Read the file contents ...
  ValueT value;
  vtkArray::SizeT n = 0;
  vtkArrayCoordinates coordinates;
  for (; n < non_null_size; ++n)
  {
    ExtractValue(stream, value);
    if (!stream)
      break;
    extents.GetRightToLeftCoordinatesN(n, coordinates);
    array->SetValue(coordinates, value);
  }

  if (n != non_null_size)
    throw std::runtime_error("Stream doesn't contain enough values.");

  // If there is more in the stream (e.g. in vtkArrayDataReader),
  // eat the newline so the stream is ready for the next vtkArray.
  if (stream)
  {
    stream.get();
  }

  array->Register(nullptr);
  return array;
}

} // End anonymous namespace