Method parseCSV

app/src/DataModel/Importers/ModbusMapImporter.cpp:460–493

* @brief Parses a CSV register map with header-based column auto-detection. */

 * @brief Parses a CSV register map with header-based column auto-detection.
 */
bool DataModel::ModbusMapImporter::parseCSV(const QString& path)
{
  QFile file(path);
  if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
    return false;

  if (file.size() > kMaxImportFileBytes)
    return false;

  const QString content = QString::fromUtf8(file.readAll());
  file.close();

  const auto lines = content.split('\n', Qt::SkipEmptyParts);
  if (lines.count() < 2)
    return false;

  const auto map = buildCsvColumnMap(lines[0].trimmed().split(','));
  if (map.addr < 0)
    return false;

  for (int row = 1; row < lines.count(); ++row) {
    const auto line = lines[row].trimmed();
    if (line.isEmpty() || line.startsWith('#'))
      continue;

    RegisterEntry entry;
    if (!parseCsvRow(line.split(','), map, row, entry))
      continue;

    m_registers.append(entry);
  }

  return !m_registers.isEmpty();
}

//--------------------------------------------------------------------------------------------------
// XML parser