restic/internal/ui/format.go

67 lines
1.4 KiB
Go

package ui
import (
"bytes"
"encoding/json"
"fmt"
"time"
)
func FormatBytes(c uint64) string {
b := float64(c)
switch {
case c >= 1<<40:
return fmt.Sprintf("%.3f TiB", b/(1<<40))
case c >= 1<<30:
return fmt.Sprintf("%.3f GiB", b/(1<<30))
case c >= 1<<20:
return fmt.Sprintf("%.3f MiB", b/(1<<20))
case c >= 1<<10:
return fmt.Sprintf("%.3f KiB", b/(1<<10))
default:
return fmt.Sprintf("%d B", c)
}
}
// FormatPercent formats numerator/denominator as a percentage.
func FormatPercent(numerator uint64, denominator uint64) string {
if denominator == 0 {
return ""
}
percent := 100.0 * float64(numerator) / float64(denominator)
if percent > 100 {
percent = 100
}
return fmt.Sprintf("%3.2f%%", percent)
}
// FormatDuration formats d as FormatSeconds would.
func FormatDuration(d time.Duration) string {
sec := uint64(d / time.Second)
return FormatSeconds(sec)
}
// FormatSeconds formats sec as MM:SS, or HH:MM:SS if sec seconds
// is at least an hour.
func FormatSeconds(sec uint64) string {
hours := sec / 3600
sec -= hours * 3600
min := sec / 60
sec -= min * 60
if hours > 0 {
return fmt.Sprintf("%d:%02d:%02d", hours, min, sec)
}
return fmt.Sprintf("%d:%02d", min, sec)
}
func ToJSONString(status interface{}) string {
buf := new(bytes.Buffer)
err := json.NewEncoder(buf).Encode(status)
if err != nil {
panic(err)
}
return buf.String()
}