56 lines
912 B
Go
56 lines
912 B
Go
// Copyright (C) 2021 Storj Labs, Inc.
|
|
// See LICENSE for copying information.
|
|
|
|
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"io"
|
|
"strings"
|
|
"text/tabwriter"
|
|
)
|
|
|
|
type tabbedWriter struct {
|
|
tw *tabwriter.Writer
|
|
headers []string
|
|
wrote bool
|
|
}
|
|
|
|
func newTabbedWriter(w io.Writer, headers ...string) *tabbedWriter {
|
|
return &tabbedWriter{
|
|
tw: tabwriter.NewWriter(w, 4, 4, 4, ' ', 0),
|
|
headers: headers,
|
|
}
|
|
}
|
|
|
|
func (t *tabbedWriter) Done() {
|
|
if t.wrote {
|
|
_ = t.tw.Flush()
|
|
}
|
|
}
|
|
|
|
func (t *tabbedWriter) WriteLine(parts ...interface{}) {
|
|
if !t.wrote {
|
|
fmt.Fprintln(t.tw, strings.Join(t.headers, "\t"))
|
|
t.wrote = true
|
|
}
|
|
for i, part := range parts {
|
|
if i > 0 {
|
|
fmt.Fprint(t.tw, "\t")
|
|
}
|
|
fmt.Fprint(t.tw, toString(part))
|
|
}
|
|
fmt.Fprintln(t.tw)
|
|
}
|
|
|
|
func toString(x interface{}) string {
|
|
switch x := x.(type) {
|
|
case rune:
|
|
return string(x)
|
|
case string:
|
|
return x
|
|
default:
|
|
return fmt.Sprint(x)
|
|
}
|
|
}
|