Class DelimitedTextIterator

IO/TecplotTable/vtkTecplotTableReader.cxx:43–323

{

class DelimitedTextIterator : public vtkTextCodec::OutputIterator
{
public:
  typedef std::forward_iterator_tag iterator_category;
  typedef vtkTypeUInt32 value_type;
  typedef std::string::difference_type difference_type;
  typedef value_type* pointer;
  typedef value_type& reference;

  DelimitedTextIterator(vtkTable* outputTable, vtkIdType maxRecords, vtkIdType headerLines,
    vtkIdType columnHeadersOnLine, vtkIdType skipColumnNames)
    : MaxRecords(maxRecords)
    // first two lines are title + column names
    , MaxRecordIndex(maxRecords + headerLines)
    , WhiteSpaceOnlyString(true)
    , OutputTable(outputTable)
    , CurrentRecordIndex(0)
    , CurrentFieldIndex(0)
    , HeaderLines(headerLines)
    , ColumnNamesOnLine(columnHeadersOnLine)
    , SkipColumnNames(skipColumnNames)
    , RecordAdjacent(true)
    , MergeConsDelims(true)
    , ProcessEscapeSequence(false)
    , UseStringDelimiter(true)
    , WithinString(0)
  {
    // how records (e.g. lines) are separated
    RecordDelimiters.insert('\n');
    RecordDelimiters.insert('\r');

    // how fields (e.g. entries) are separated
    FieldDelimiters.insert(' ');
    FieldDelimiters.insert('\t');

    // how string entries are separated
    StringDelimiters.insert('"');
    StringDelimiters.insert(' ');

    // what is whitespace
    Whitespace.insert(' ');
    Whitespace.insert('\t');
  }

  ~DelimitedTextIterator() override
  {
    // Ensure that all table columns have the same length ...
    for (vtkIdType i = 0; i != this->OutputTable->GetNumberOfColumns(); ++i)
    {
      if (this->OutputTable->GetColumn(i)->GetNumberOfTuples() !=
        this->OutputTable->GetColumn(0)->GetNumberOfTuples())
      {
        this->OutputTable->GetColumn(i)->Resize(
          this->OutputTable->GetColumn(0)->GetNumberOfTuples());
      }
    }
  }