canEncode static method

bool canEncode(Encoding? encoding, String char)

Whether encoding can encode the string

Implementation

static bool canEncode(Encoding? encoding, String char) {
  if (encoding == null) return false;
  try {
    List<int> result = encoding.encode(char);
    if (encoding is CodePage) {
      if (result.length != char.length) {
        return false;
      }
    } else if (!encoding.name.contains('utf')) {
      if (result.contains(0xFFFD)) {
        return false;
      }
    }
  } on FormatException catch (_) {
    return false;
  } on ArgumentError catch (_) {
    return false;
  }
  return true;
}