Function decodeAssumingUtf8

src/executor.cpp:188–208

* @brief decodes the input into a string assuming UTF-8 encoding. * If this fails (which is likely if it is not actually UTF-8) * it will then fall back to Qt's decoding function, which * will try based on BOM and if that fails fall back to local encoding. * This should not be needed in Qt6 * * @param in input data * @return Input bytes decoded to string */

 * @return Input bytes decoded to string
 */
static auto decodeAssumingUtf8(const QByteArray &in) -> QString {
#if QT_VERSION < QT_VERSION_CHECK(6, 0, 0)
  QTextCodec *codec = QTextCodec::codecForName("UTF-8");
  QTextCodec::ConverterState state;
  QString out = codec->toUnicode(in.constData(), in.size(), &state);
  if (state.invalidChars == 0) {
    return out;
  }
  codec = QTextCodec::codecForUtfText(in);
  return codec->toUnicode(in);
#else
  auto converter = QStringDecoder(QStringDecoder::Utf8);
  QString out = converter(in);
  if (!converter.hasError()) {
    return out;
  }
  // Fallback if UTF-8 decoding failed - try system encoding
  auto fallback = QStringDecoder(QStringDecoder::System);
  return fallback(in);
#endif
}

/**
 * @brief Executor::executeBlocking blocking version of the executor,