Method append

app/src/UI/Widgets/Terminal.cpp:1199–1249

* @brief Appends data to the terminal, processing it through the VT-100 state machine. */

 * @brief Appends data to the terminal, processing it through the VT-100 state machine.
 */
void Widgets::Terminal::append(const QString& data)
{
  QString text;
  text.reserve(data.size());

  int pos       = 0;
  const int len = data.size();

  while (pos < len) {
    if (m_state == Text) [[likely]] {
      const int runStart = pos;
      pos                = scanPrintableRun(data, pos);

      if (pos > runStart)
        text.append(QStringView(data).mid(runStart, pos - runStart));

      if (pos < len && m_state == Text) {
        processText(data[pos], text);
        ++pos;
      }

      continue;
    }

    const auto byte = data[pos];
    switch (m_state) {
      case Escape:
        processEscape(byte, text);
        break;
      case Format:
        processFormat(byte, text);
        break;
      case ResetFont:
        processResetFont(byte, text);
        break;
      case OSC:
        processOsc(byte);
        break;
      case IgnoreSeq:
        processIgnoreSeq(byte);
        break;
      default:
        break;
    }

    ++pos;
  }

  appendString(text);
  m_stateChanged = true;
}

//--------------------------------------------------------------------------------------------------
// Buffer management