-
Notifications
You must be signed in to change notification settings - Fork 3
/
tmpl.go
89 lines (75 loc) · 1.63 KB
/
tmpl.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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
package main
import (
"bytes"
"fmt"
"io"
"net/url"
)
type templateWriter interface {
writeTitle(w io.Writer) error
writeContent(w io.Writer) error
}
type template struct {
buf bytes.Buffer
}
func newTemplate() *template {
return &template{}
}
var beforeTitle string = `<!DOCTYPE html>
<html>
<head>
<title>`
var afterTitle string = `</title>
</head>
<body>`
var afterBody string = `<body>
</html>`
func (t *template) write(s []byte) error {
_, err := t.buf.Write(s)
return err
}
func (t *template) render(w io.Writer, tw templateWriter) error {
if err := t.write([]byte(beforeTitle)); err != nil {
return err
}
if err := tw.writeTitle(&t.buf); err != nil {
return err
}
if err := t.write([]byte(afterTitle)); err != nil {
return err
}
if err := tw.writeContent(&t.buf); err != nil {
return err
}
_, err := io.Copy(w, &t.buf)
return err
}
type listTemplate struct {
header string
values []string
}
func newListTemplate(header string, values []string) *listTemplate {
return &listTemplate{header: header, values: values}
}
func (l *listTemplate) writeTitle(w io.Writer) error {
// XXX: Escape header for HTML
if _, err := fmt.Fprintf(w, "Perso - List for %s", l.header); err != nil {
return err
}
return nil
}
func (l *listTemplate) writeContent(w io.Writer) error {
if _, err := fmt.Fprintln(w, "<ul>"); err != nil {
return err
}
for _, val := range l.values {
if _, err := fmt.Fprintf(w, `<li><a href="/%s/%s/latest/0">%s</a></li>`,
url.QueryEscape(l.header), url.QueryEscape(val), val); err != nil {
return err
}
}
if _, err := fmt.Fprintln(w, "</ul>"); err != nil {
return err
}
return nil
}