convertDigitalStorage function

double convertDigitalStorage(DigitalStorage from, DigitalStorage to, double value)

Convert digital storage. It may lose some decimals in the proccess.

from, to and value can NOT be null, otherwise an AssertionError is thrown

Basic usage:

main() {
  final storage = convertDigitalStorage(
    DigitalStorage.gigabyte, // from
    DigitalStorage.megabyte, // to
    1, // value
  );
  print(storage); // 1000
}

Read the documentation for more information

Implementation

double convertDigitalStorage(
  DigitalStorage from,
  DigitalStorage to,
  double value,
) {
  verify(from, to, value);
  if (from == to) return value;
  if (from == DigitalStorage.bit) {
    switch (to) {
      case DigitalStorage.byte:
        return value / 8;
      case DigitalStorage.kilobit:
        return value / 1000;
      case DigitalStorage.kilobyte:
        return value / 8000;
      case DigitalStorage.kibibit:
        return value / 1024;
      case DigitalStorage.kibibyte:
        return value / 8192;
      case DigitalStorage.megabit:
        return value / 1e+6;
      case DigitalStorage.megabyte:
        return value / 8e+6;
      case DigitalStorage.mebibit:
        return value / 1.049e+6;
      case DigitalStorage.mebibyte:
        return value / 8.389e+6;
      case DigitalStorage.gigabit:
        return value / 1e+9;
      case DigitalStorage.gigabyte:
        return value / 8e+9;
      case DigitalStorage.gibibit:
        return value / 1.074e+9;
      case DigitalStorage.gibibyte:
        return value / 8.59e+9;
      case DigitalStorage.terabit:
        return value / 1e+12;
      case DigitalStorage.terabyte:
        return value / 8e+12;
      case DigitalStorage.tebibit:
        return value / 1.1e+12;
      case DigitalStorage.tebibyte:
        return value / 8.796e+12;
      case DigitalStorage.petabit:
        return value / 1e+15;
      case DigitalStorage.petabyte:
        return value / 8e+15;
      case DigitalStorage.pebibit:
        return value / 1.126e+15;
      case DigitalStorage.pebibyte:
        return value / 9.007e+15;
      default:
        return value;
    }
  } else {
    final bit = DigitalStorage.bit;
    switch (from) {
      case DigitalStorage.byte:
        return convertDigitalStorage(bit, to, value * 8);
      case DigitalStorage.kilobit:
        return convertDigitalStorage(bit, to, value * 1000);
      case DigitalStorage.kilobyte:
        return convertDigitalStorage(bit, to, value * 8000);
      case DigitalStorage.kibibit:
        return convertDigitalStorage(bit, to, value * 1024);
      case DigitalStorage.kibibyte:
        return convertDigitalStorage(bit, to, value * 8192);
      case DigitalStorage.megabit:
        return convertDigitalStorage(bit, to, value * 1e+6);
      case DigitalStorage.megabyte:
        return convertDigitalStorage(bit, to, value * 8e+6);
      case DigitalStorage.mebibit:
        return convertDigitalStorage(bit, to, value * 1.049e+6);
      case DigitalStorage.mebibyte:
        return convertDigitalStorage(bit, to, value * 8.389e+6);
      case DigitalStorage.gigabit:
        return convertDigitalStorage(bit, to, value * 1e+9);
      case DigitalStorage.gigabyte:
        return convertDigitalStorage(bit, to, value * 8e+9);
      case DigitalStorage.gibibit:
        return convertDigitalStorage(bit, to, value * 1.074e+9);
      case DigitalStorage.gibibyte:
        return convertDigitalStorage(bit, to, value * 8.59e+9);
      case DigitalStorage.terabit:
        return convertDigitalStorage(bit, to, value * 1e+12);
      case DigitalStorage.terabyte:
        return convertDigitalStorage(bit, to, value * 8e+12);
      case DigitalStorage.tebibit:
        return convertDigitalStorage(bit, to, value * 1.1e+12);
      case DigitalStorage.tebibyte:
        return convertDigitalStorage(bit, to, value * 8.796e+12);
      case DigitalStorage.petabit:
        return convertDigitalStorage(bit, to, value * 1e+15);
      case DigitalStorage.petabyte:
        return convertDigitalStorage(bit, to, value * 8e+15);
      case DigitalStorage.pebibit:
        return convertDigitalStorage(bit, to, value * 1.126e+15);
      case DigitalStorage.pebibyte:
        return convertDigitalStorage(bit, to, value * 9.007e+15);
      default:
        return value;
    }
  }
}