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
|
package decor
import (
"fmt"
"io"
"strconv"
"github.com/vbauerster/mpb/v6/internal"
)
type percentageType float64
func (s percentageType) Format(st fmt.State, verb rune) {
var prec int
switch verb {
case 'd':
case 's':
prec = -1
default:
if p, ok := st.Precision(); ok {
prec = p
} else {
prec = 6
}
}
io.WriteString(st, strconv.FormatFloat(float64(s), 'f', prec, 64))
if st.Flag(' ') {
io.WriteString(st, " ")
}
io.WriteString(st, "%")
}
// Percentage returns percentage decorator. It's a wrapper of NewPercentage.
func Percentage(wcc ...WC) Decorator {
return NewPercentage("% d", wcc...)
}
// NewPercentage percentage decorator with custom format string.
//
// format examples:
//
// format="%.1f" output: "1.0%"
// format="% .1f" output: "1.0 %"
// format="%d" output: "1%"
// format="% d" output: "1 %"
//
func NewPercentage(format string, wcc ...WC) Decorator {
if format == "" {
format = "% d"
}
f := func(s Statistics) string {
p := internal.Percentage(s.Total, s.Current, 100)
return fmt.Sprintf(format, percentageType(p))
}
return Any(f, wcc...)
}
|
