Function parserSignature

app/src/Misc/BackupManager.cpp:272–284

* @brief Hashes the per-source frame parser code so two summaries can be compared for a * parser-only change; empty when no sources carry parser code. */

 *        parser-only change; empty when no sources carry parser code.
 */
static QString parserSignature(const QJsonArray& sources)
{
  QByteArray acc;
  for (const auto& sv : sources) {
    acc.append(sv.toObject().value(Keys::FrameParserCode).toString().toUtf8());
    acc.append('\n');
  }

  if (acc.isEmpty())
    return {};

  return QString::fromLatin1(QCryptographicHash::hash(acc, QCryptographicHash::Sha1).toHex());
}

/**
 * @brief Returns a structural summary of a snapshot file (title, counts, group titles).