Method append

app/src/Console/Handler.cpp:733–792

* @brief Appends @a string to the console, optionally prefixing timestamps. */

 * @brief Appends @a string to the console, optionally prefixing timestamps.
 */
void Console::Handler::append(const QString& string, const bool addTimestamp)
{
  if (string.isEmpty())
    return;

  auto data = string;
  if (m_lastCharWasCR && data.startsWith('\n'))
    data.removeFirst();

  m_lastCharWasCR = data.endsWith('\r');
  data            = data.replace(QStringLiteral("\r\n"), QStringLiteral("\n"));
  data            = data.replace(QStringLiteral("\r"), QStringLiteral("\n"));

  QString timestamp;
  if (addTimestamp) {
    const QString& timeStr = cachedTimestampStr();

    if (ansiColorsEnabled()) {
      const QString ansiCyan  = QStringLiteral("\033[36m");
      const QString ansiReset = QStringLiteral("\033[0m");
      timestamp               = QStringLiteral("%1%2%3").arg(ansiCyan, timeStr, ansiReset);
    }

    else {
      timestamp = timeStr;
    }
  }

  QString processedString;
  processedString.reserve(data.length() + timestamp.length() * 4);
  int pos = 0;
  while (pos < data.length()) {
    const int nlPos = data.indexOf('\n', pos);
    const int end   = (nlPos < 0) ? data.length() : nlPos;

    if (end > pos) {
      const auto segment = QStringView(data).mid(pos, end - pos);
      if (m_isStartingLine && !segment.trimmed().isEmpty())
        processedString.append(timestamp);

      processedString.append(segment);
      m_isStartingLine = false;
    }

    if (nlPos >= 0) {
      if (m_isStartingLine)
        processedString.append(timestamp);

      processedString.append('\n');
      m_isStartingLine = true;
      pos              = nlPos + 1;
    }

    else
      pos = end;
  }

  m_textBuffer.append(processedString.toUtf8());