| 1 | package unit |
| 2 | |
| 3 | import "fmt" |
| 4 | |
| 5 | type Information int64 |
| 6 | |
| 7 | const ( |
| 8 | _ Information = iota // ignore first value by assigning to blank identifier |
| 9 | KB = 1 << (10 * iota) |
| 10 | MB |
| 11 | GB |
| 12 | TB |
| 13 | PB |
| 14 | EB |
| 15 | ) |
| 16 | |
| 17 | func (i Information) String() string { |
| 18 | tmp := int64(i) |
| 19 | |
| 20 | // default |
| 21 | d := tmp |
| 22 | symbol := "B" |
| 23 | |
| 24 | switch { |
| 25 | case i > EB: |
| 26 | d = tmp / EB |
| 27 | symbol = "EB" |
| 28 | case i > PB: |
| 29 | d = tmp / PB |
| 30 | symbol = "PB" |
| 31 | case i > TB: |
| 32 | d = tmp / TB |
| 33 | symbol = "TB" |
| 34 | case i > GB: |
| 35 | d = tmp / GB |
| 36 | symbol = "GB" |
| 37 | case i > MB: |
| 38 | d = tmp / MB |
| 39 | symbol = "MB" |
| 40 | case i > KB: |
| 41 | d = tmp / KB |
| 42 | symbol = "KB" |
| 43 | } |
| 44 | return fmt.Sprintf("%d %s", d, symbol) |
| 45 | } |