-
Notifications
You must be signed in to change notification settings - Fork 19
/
pflagext.go
69 lines (55 loc) · 1.18 KB
/
pflagext.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
// Package pflagext is the extension of pflag which is part
// of the cobra framework.
package pflagext
import (
"strconv"
"github.com/spf13/pflag"
)
type stringFuncValue func(string) error
func (f stringFuncValue) Set(sval string) error {
return f(sval)
}
func (stringFuncValue) String() string {
return ""
}
func (stringFuncValue) Type() string {
return "string"
}
func StringVarFP(
fset *pflag.FlagSet, f func(string) error,
name, shorthand, usage string,
) {
fset.VarP(stringFuncValue(f), name, shorthand, usage)
}
func StringVarF(
fset *pflag.FlagSet, f func(string) error,
name, usage string,
) {
StringVarFP(fset, f, name, "", usage)
}
type intFuncValue func(int) error
func (f intFuncValue) Set(sval string) error {
val, err := strconv.Atoi(sval)
if err != nil {
return err
}
return f(val)
}
func (intFuncValue) String() string {
return ""
}
func (intFuncValue) Type() string {
return "int"
}
func IntVarFP(
fset *pflag.FlagSet, f func(int) error,
name, shorthand string, usage string,
) {
fset.VarP(intFuncValue(f), name, shorthand, usage)
}
func IntVarF(
fset *pflag.FlagSet, f func(int) error,
name string, usage string,
) {
IntVarFP(fset, f, name, "", usage)
}