-
Notifications
You must be signed in to change notification settings - Fork 142
/
table.go
63 lines (55 loc) · 1.27 KB
/
table.go
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
// Package teb contains templates and (templated) tables to format CLI output.
/*
* Copyright (c) 2018-2023, NVIDIA CORPORATION. All rights reserved.
*/
package teb
import (
"fmt"
"strings"
"github.com/NVIDIA/aistore/cmn/debug"
)
const rowSepa = "\t "
type Table struct {
headers []*header
rows []row
}
type (
header struct {
name string
hide bool
}
row []string
)
func newTable(headers ...*header) *Table { return &Table{headers: headers} }
func (t *Table) addRow(row row) {
if len(row) != len(t.headers) {
err := fmt.Errorf("invalid table row: expected %d values, got %d", len(t.headers), len(row))
debug.AssertNoErr(err)
return
}
t.rows = append(t.rows, row)
}
func (t *Table) Template(hideHeader bool) string {
sb := strings.Builder{}
if !hideHeader {
headers := make([]string, 0, len(t.headers))
for _, header := range t.headers {
if !header.hide {
headers = append(headers, header.name)
}
}
sb.WriteString(strings.Join(headers, rowSepa))
sb.WriteRune('\n')
}
for _, row := range t.rows {
rowStrings := make([]string, 0, len(row))
for i, value := range row {
if !t.headers[i].hide {
rowStrings = append(rowStrings, value)
}
}
sb.WriteString(strings.Join(rowStrings, rowSepa))
sb.WriteRune('\n')
}
return sb.String()
}