romanice - Convert to/from Roman numerals
A Dart library for converting to/from Roman numerals, e.g., 3888
↔MMMDCCCLXXXVIII
, 38888
↔ↂↂↂↁↀↀↀⅮⅭⅭⅭⅬⅩⅩⅩⅤⅠⅠⅠ
Usage
See example/main.dart
Standard - I
, V
, X
, L
, C
, D
, M
final ToRoman standardToRoman = ToRoman();
final String roman = standardToRoman(3888);
// roman == 'MMMDCCCLXXXVIII'
final int decimal = standardToRoman.inverse()('MMMCMXCIX');
// decimal == 3999
Unicode - Ⅰ
, Ⅴ
, Ⅹ
, Ⅼ
, Ⅽ
, Ⅾ
, ↀ
, ↁ
, ↂ
final FromRoman unicodeFromRoman = FromRoman.unicode();
final String roman = unicodeFromRoman.inverse()(38888);
// roman == 'ↂↂↂↁↀↀↀⅮⅭⅭⅭⅬⅩⅩⅩⅤⅠⅠⅠ'
final int decimal = unicodeFromRoman('ↂↂↂↀↂⅭↀⅩⅭⅠⅩ');
// decimal == 39999
Syntax
ToRoman([List<String> _symbols])
FromRoman([List<String> _symbols])
_symbols
- List of Roman numeral symbols representing the character set. If omitted, assumes the standard symbols ['I', 'V', 'X', 'L', 'C', 'D', 'M']
.
See documentation for more