Method FindAppendedDataPosition

IO/XMLParser/vtkXMLDataParser.cxx:266–301

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//------------------------------------------------------------------------------
void vtkXMLDataParser::FindAppendedDataPosition()
{
  // Clear stream fail and eof bits.  We may have already read past
  // the end of the stream when processing the AppendedData element.
  this->Stream->clear(this->Stream->rdstate() & ~ios::failbit);
  this->Stream->clear(this->Stream->rdstate() & ~ios::eofbit);

  // Scan for the start of the actual appended data.
  char c = 0;
  vtkTypeInt64 returnPosition = this->TellG();
  this->SeekG(this->GetXMLByteIndex());
  while (this->Stream->get(c) && (c != '>'))
  {
  }
  while (this->Stream->get(c) && vtkXMLDataParser::IsSpace(c))
  {
  }

  // Store the start of the appended data.  We skip the first
  // character because it is always a "_".
  this->AppendedDataPosition = this->TellG();

  // If first character was not an underscore, assume it is part of
  // the data.
  if (c != '_')
  {
    vtkWarningMacro("First character in AppendedData is ASCII value "
      << int(c) << ", not '_'.  Scan for first character "
      << "started from file position " << this->GetXMLByteIndex() << ".  The return position is "
      << returnPosition << ".");
    --this->AppendedDataPosition;
  }

  // Restore the stream position.
  this->SeekG(returnPosition);
}

//------------------------------------------------------------------------------
void vtkXMLDataParser::PushOpenElement(vtkXMLDataElement* element)