1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
|
// Package color is used to prettify console output via ANSII terminal colors.
package color
import (
"fmt"
)
// Color name.
type Color string
// Attribute of a color.
type Attribute string
// The possible color variations.
const (
escape = "\x1b"
reset = escape + "[0m"
seq string = "%s%s%s"
Gray Color = escape + "[30m"
Red Color = escape + "[31m"
Green Color = escape + "[32m"
Orange Color = escape + "[33m"
Blue Color = escape + "[34m"
Magenta Color = escape + "[35m"
Yellow Color = escape + "[36m"
LightGray Color = escape + "[37m"
BgGray Color = escape + "[40m"
BgRed Color = escape + "[41m"
BgGreen Color = escape + "[42m"
BgOrange Color = escape + "[43m"
BgBlue Color = escape + "[44m"
BgMagenta Color = escape + "[45m"
BgYellow Color = escape + "[46m"
BgLightGray Color = escape + "[47m"
Bold Attribute = escape + "[1m"
Italic Attribute = escape + "[3m"
Underline Attribute = escape + "[4m"
ReverseColor Attribute = escape + "[7m"
resetBold = escape + "[22m"
resetItalic = escape + "[23m"
resetUnderline = escape + "[24m"
Test Color = BgYellow
TestAttr Attribute = Bold
)
// Colored DTail client output enabled.
var Colored bool
// Paint a given string in a given color.
func Paint(c Color, s string) string {
return fmt.Sprintf(seq, c, s, reset)
}
// Attr adds a given attribute to a given string, such as "bold" or "italic".
func Attr(c Attribute, s string) string {
switch c {
case Bold:
return fmt.Sprintf(seq, Bold, s, resetBold)
case Italic:
return fmt.Sprintf(seq, Italic, s, resetItalic)
case Underline:
return fmt.Sprintf(seq, Underline, s, resetUnderline)
}
panic("Unknown attribute")
}
|
