Method parserSetCode

app/src/API/Handlers/ProjectHandler.cpp:2920–2993

* @brief Set frame parser code for a source. */

 * @brief Set frame parser code for a source.
 */
API::CommandResponse API::Handlers::ProjectHandler::parserSetCode(const QString& id,
                                                                  const QJsonObject& params)
{
  if (!params.contains(QStringLiteral("code"))) {
    return CommandResponse::makeError(
      id, ErrorCode::MissingParam, QStringLiteral("Missing required parameter: code"));
  }

  const QString code = params.value(QStringLiteral("code")).toString();
  const int sourceId = params.contains(Keys::SourceId) ? params.value(Keys::SourceId).toInt() : 0;
  auto& model        = DataModel::ProjectModel::instance();
  const int srcCount = static_cast<int>(model.sources().size());

  if (sourceId < 0 || sourceId >= srcCount)
    return CommandResponse::makeError(
      id, ErrorCode::InvalidParam, QStringLiteral("Invalid sourceId"));

  const bool hasLanguage = params.contains(QStringLiteral("language"));
  int savedLanguage      = 0;
  if (hasLanguage) {
    const int language = params.value(QStringLiteral("language")).toInt();
    if (language != SerialStudio::JavaScript && language != SerialStudio::Lua
        && language != SerialStudio::Native)
      return CommandResponse::makeError(
        id,
        ErrorCode::InvalidParam,
        QStringLiteral("Invalid language: must be 0 (JavaScript), 1 (Lua) or 2 (Built-In)"));

    if (language == SerialStudio::Native)
      return setNativeParserFromDescriptor(id, sourceId, code);

    savedLanguage = model.frameParserLanguage(sourceId);

    model.updateSourceFrameParserLanguage(sourceId, language);

    auto& parser            = DataModel::FrameParser::instance();
    const bool prevSuppress = model.suppressMessageBoxes();
    model.setSuppressMessageBoxes(true);
    parser.setSuppressMessageBoxes(true);

    const bool ok = parser.loadScript(sourceId, code, false);

    parser.setSuppressMessageBoxes(prevSuppress);
    model.setSuppressMessageBoxes(prevSuppress);

    if (!ok) {
      model.updateSourceFrameParserLanguage(sourceId, savedLanguage);
      return CommandResponse::makeError(
        id,
        ErrorCode::InvalidParam,
        QStringLiteral("Script engine rejected the parser code (check logs)"));
    }
  }

  if (sourceId == 0)
    model.setFrameParserCode(code);
  else
    model.updateSourceFrameParser(sourceId, code);