parse static method

List<TLV> parse(String value)

Analiza una cadena siguiendo reglas y devuelve un modelo o estructura con significado

Implementation

static List<TLV> parse(String value){
  try {
    String unformatedString = value;
    final List<TLV> segmentedData = [];
    while(unformatedString.isNotEmpty){

      final tag = int.parse(unformatedString.substring(0, 2));
      final length = int.parse(unformatedString.substring(2, 4));
      final value = unformatedString.substring(4, 4+length);
      segmentedData.add(TLV(tag: tag, length: length, value: value));
      unformatedString = unformatedString.substring(4+length);
      //debugPrint('TAG ${tag}, LENGTH: ${length}, VALUE: ${value}, NEWTLV: ${unformatedString}');
      debugPrint('TAG ${tag}, LENGTH: ${length}, VALUE: ${value}');
    }

    return segmentedData;
  } catch (e) {
    debugPrint('EmvParser Error parsing data: ${e.toString()}. String type EMV standard malformed or incompatible');
    throw Exception('EmvParser Error parsing data: ${e.toString()}');
  }
}