Created
June 9, 2014 06:01
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Vigenère square or Vigenère table, aka tabula recta.
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| // ---- | |
| // Sass (v3.3.8) | |
| // Compass (v1.0.0.alpha.19) | |
| // ---- | |
| // Vigenère square or Vigenère table, aka tabula recta. | |
| // https://en.wikipedia.org/wiki/Tabula_recta | |
| @function shift($list, $value: 1, $dir: right) { | |
| $result: (); | |
| $length: length($list); | |
| @for $i from 0 to $length { | |
| $pos: if($dir == right, ($i + $value), ($i - $value)); | |
| $pos: $pos % $length + 1; | |
| $result: append($result, nth($list, $pos), list-separator($list)); | |
| } | |
| @return $result; | |
| } | |
| tabula { | |
| $chars: a b c d e f g h i j k l m n o p q r s t u v w x y z; | |
| _: $chars; | |
| @for $i from 1 through length($chars) { | |
| #{nth($chars, $i)}: shift($chars, $i - 1); | |
| } | |
| } |
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| tabula { | |
| _: a b c d e f g h i j k l m n o p q r s t u v w x y z; | |
| a: a b c d e f g h i j k l m n o p q r s t u v w x y z; | |
| b: b c d e f g h i j k l m n o p q r s t u v w x y z a; | |
| c: c d e f g h i j k l m n o p q r s t u v w x y z a b; | |
| d: d e f g h i j k l m n o p q r s t u v w x y z a b c; | |
| e: e f g h i j k l m n o p q r s t u v w x y z a b c d; | |
| f: f g h i j k l m n o p q r s t u v w x y z a b c d e; | |
| g: g h i j k l m n o p q r s t u v w x y z a b c d e f; | |
| h: h i j k l m n o p q r s t u v w x y z a b c d e f g; | |
| i: i j k l m n o p q r s t u v w x y z a b c d e f g h; | |
| j: j k l m n o p q r s t u v w x y z a b c d e f g h i; | |
| k: k l m n o p q r s t u v w x y z a b c d e f g h i j; | |
| l: l m n o p q r s t u v w x y z a b c d e f g h i j k; | |
| m: m n o p q r s t u v w x y z a b c d e f g h i j k l; | |
| n: n o p q r s t u v w x y z a b c d e f g h i j k l m; | |
| o: o p q r s t u v w x y z a b c d e f g h i j k l m n; | |
| p: p q r s t u v w x y z a b c d e f g h i j k l m n o; | |
| q: q r s t u v w x y z a b c d e f g h i j k l m n o p; | |
| r: r s t u v w x y z a b c d e f g h i j k l m n o p q; | |
| s: s t u v w x y z a b c d e f g h i j k l m n o p q r; | |
| t: t u v w x y z a b c d e f g h i j k l m n o p q r s; | |
| u: u v w x y z a b c d e f g h i j k l m n o p q r s t; | |
| v: v w x y z a b c d e f g h i j k l m n o p q r s t u; | |
| w: w x y z a b c d e f g h i j k l m n o p q r s t u v; | |
| x: x y z a b c d e f g h i j k l m n o p q r s t u v w; | |
| y: y z a b c d e f g h i j k l m n o p q r s t u v w x; | |
| z: z a b c d e f g h i j k l m n o p q r s t u v w x y; | |
| } |
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