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
|
package gonf
import (
"bytes"
"log/slog"
"strconv"
"text/template"
)
// ----- Globals ---------------------------------------------------------------
var templates *template.Template
// ----- Init ------------------------------------------------------------------
func init() {
templates = template.New("")
templates.Option("missingkey=error")
templates.Funcs(builtinTemplateFunctions)
}
// ----- Public ----------------------------------------------------------------
type TemplateValue struct {
contents []byte
data string
}
func (t *TemplateValue) Bytes() []byte {
if t.contents == nil {
tpl := templates.New("")
if _, err := tpl.Parse(t.data); err != nil {
slog.Error("template", "step", "Parse", "data", t.data, "error", err)
return nil
}
var buff bytes.Buffer
if err := tpl.Execute(&buff, nil /* no data needed */); err != nil {
slog.Error("template", "step", "Execute", "data", t.data, "error", err)
return nil
}
t.contents = buff.Bytes()
}
return t.contents
}
func (t TemplateValue) Int() (int, error) {
return strconv.Atoi(t.String())
}
func (t TemplateValue) String() string {
return string(t.Bytes()[:])
}
|
