notify method

StubbleResult? notify(NotifyMessage msg, StubbleContext context)

Implementation

StubbleResult? notify(NotifyMessage msg, StubbleContext context) {
  switch (msg.type) {
    case notifyAttrResult:
      if (_state == 0) {
        leftPart = msg.value;
        _state++;
      } else if (_state == 2) {
        rightPart = msg.value;

        return StubbleResult(
          pop: true,
          message: NotifyMessage(
            value: checkCondition(),
            type: notifyConditionResult,
            charCode: msg.charCode,
          ),
        );
      } else {
        return StubbleResult(
            err: StubbleError(
                text: 'If block condition malformed',
                code: errorIfBlockMalformed));
      }

      if (msg.charCode != null) {
        return StubbleResult(message: ProcessMessage(charCode: msg.charCode!));
      }

      break;

    case notifyConditionResult:
      condition = msg.value;
      _state++;

      if (msg.charCode != null) {
        return StubbleResult(message: ProcessMessage(charCode: msg.charCode!));
      }

      break;

    default:
      return StubbleResult(
          err: StubbleError(
              code: errorUnsupportedNotify,
              text:
                  'State "$runtimeType" does not support notifies of type ${msg.type}'));
  }

  return null;
}