addCharacter method

Implementation

@override
void addCharacter(String character) {
  if (_firstCharacter && character == '"') {
    _firstCharacter = false;
    return;
  }
  if (_firstCharacter) {
    throw Exception(
      'StringPropertyDelegate expected starting quote but got: $character',
    );
  }
  if (_isEscaping) {
    // Handle escape sequences - convert them to actual characters
    switch (character) {
      case '"':
        _buffer += '"';
        break;
      case '\\':
        _buffer += '\\';
        break;
      case '/':
        _buffer += '/';
        break;
      case 'b':
        _buffer += '\b';
        break;
      case 'f':
        _buffer += '\f';
        break;
      case 'n':
        _buffer += '\n';
        break;
      case 'r':
        _buffer += '\r';
        break;
      case 't':
        _buffer += '\t';
        break;
      default:
        // For unknown escape sequences, include both backslash and character
        _buffer += '\\$character';
        break;
    }
    _isEscaping = false;
    return;
  }
  if (character == r'\') {
    _isEscaping = true;
    return;
  }
  if (character == '"') {
    isDone = true;
    // Emit final chunk if there's any remaining buffer
    if (_buffer.isNotEmpty) {
      addPropertyChunk(_buffer);
      _buffer = "";
    }
    // Complete the string controller - it will use its accumulated buffer
    final controller = parserController.getPropertyStreamController(
      propertyPath,
    );
    if (!controller.isClosed) {
      controller.complete(
        "",
      ); // The actual value comes from the controller's _buffer
    }
    onComplete?.call();
    return;
  }
  _buffer += character;
}