| David K. Bainbridge | 528b318 | 2017-01-23 08:51:59 -0800 | [diff] [blame] | 1 | // Copyright 2016 Canonical Ltd. |
| 2 | // Licensed under the LGPLv3, see LICENCE file for details. |
| 3 | |
| 4 | package ansiterm |
| 5 | |
| 6 | const ( |
| 7 | _ Style = iota |
| 8 | Bold |
| 9 | Faint |
| 10 | Italic |
| 11 | Underline |
| 12 | Blink |
| 13 | Reverse |
| 14 | Strikethrough |
| 15 | Conceal |
| 16 | ) |
| 17 | |
| 18 | type Style int |
| 19 | |
| 20 | func (s Style) String() string { |
| 21 | switch s { |
| 22 | case Bold: |
| 23 | return "bold" |
| 24 | case Faint: |
| 25 | return "faint" |
| 26 | case Italic: |
| 27 | return "italic" |
| 28 | case Underline: |
| 29 | return "underline" |
| 30 | case Blink: |
| 31 | return "blink" |
| 32 | case Reverse: |
| 33 | return "reverse" |
| 34 | case Strikethrough: |
| 35 | return "strikethrough" |
| 36 | case Conceal: |
| 37 | return "conceal" |
| 38 | default: |
| 39 | return "" |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | func (s Style) enable() attribute { |
| 44 | switch s { |
| 45 | case Bold: |
| 46 | return 1 |
| 47 | case Faint: |
| 48 | return 2 |
| 49 | case Italic: |
| 50 | return 3 |
| 51 | case Underline: |
| 52 | return 4 |
| 53 | case Blink: |
| 54 | return 5 |
| 55 | case Reverse: |
| 56 | return 7 |
| 57 | case Conceal: |
| 58 | return 8 |
| 59 | case Strikethrough: |
| 60 | return 9 |
| 61 | default: |
| 62 | return unknownAttribute |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | func (s Style) disable() attribute { |
| 67 | value := s.enable() |
| 68 | if value != unknownAttribute { |
| 69 | return value + 20 |
| 70 | } |
| 71 | return value |
| 72 | } |