run method

String run(StubbleContext context)

Launching machine with a given StubbleContext

Implementation

String run(StubbleContext context) {
  _stack.clear();
  _stack.add(RootState());
  _res = '';

  if (_template != null && _template!.isNotEmpty) {
    final lines = _template!.split('\n');

    for (var l = 0; l < lines.length; l++) {
      _line = l + 1;
      final line = lines[l];

      for (var i = 0; i < line.length; i++) {
        //print('Current state is: ${_stack.last}');
        _symbol = i;
        final charCode = line.codeUnitAt(i);

        //print("char: ${line[i]}");

        context.symbol = _symbol;
        context.line = _line;

        _process(ProcessMessage(charCode: charCode), context);
      }

      if (l < lines.length - 1) {
        _process(ProcessMessage(charCode: enter), context);
      }
    }

    _process(ProcessMessage(charCode: eos), context);

    if (_stack.last is! RootState) {
      throw Exception(
          'Something go wrong: please check your template for issues.');
    }
  }

  return _res;
}