aboutsummaryrefslogtreecommitdiff
path: root/vendor/github.com/spf13/pflag/duration_slice.go
blob: badadda53fdbc4d49ac6a874ebebdd3567cb25c6 (plain)
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
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
package pflag

import (
	"fmt"
	"strings"
	"time"
)

// -- durationSlice Value
type durationSliceValue struct {
	value   *[]time.Duration
	changed bool
}

func newDurationSliceValue(val []time.Duration, p *[]time.Duration) *durationSliceValue {
	dsv := new(durationSliceValue)
	dsv.value = p
	*dsv.value = val
	return dsv
}

func (s *durationSliceValue) Set(val string) error {
	ss := strings.Split(val, ",")
	out := make([]time.Duration, len(ss))
	for i, d := range ss {
		var err error
		out[i], err = time.ParseDuration(d)
		if err != nil {
			return err
		}

	}
	if !s.changed {
		*s.value = out
	} else {
		*s.value = append(*s.value, out...)
	}
	s.changed = true
	return nil
}

func (s *durationSliceValue) Type() string {
	return "durationSlice"
}

func (s *durationSliceValue) String() string {
	out := make([]string, len(*s.value))
	for i, d := range *s.value {
		out[i] = fmt.Sprintf("%s", d)
	}
	return "[" + strings.Join(out, ",") + "]"
}

func (s *durationSliceValue) fromString(val string) (time.Duration, error) {
	return time.ParseDuration(val)
}

func (s *durationSliceValue) toString(val time.Duration) string {
	return fmt.Sprintf("%s", val)
}

func (s *durationSliceValue) Append(val string) error {
	i, err := s.fromString(val)
	if err != nil {
		return err
	}
	*s.value = append(*s.value, i)
	return nil
}

func (s *durationSliceValue) Replace(val []string) error {
	out := make([]time.Duration, len(val))
	for i, d := range val {
		var err error
		out[i], err = s.fromString(d)
		if err != nil {
			return err
		}
	}
	*s.value = out
	return nil
}

func (s *durationSliceValue) GetSlice() []string {
	out := make([]string, len(*s.value))
	for i, d := range *s.value {
		out[i] = s.toString(d)
	}
	return out
}

func durationSliceConv(val string) (interface{}, error) {
	val = strings.Trim(val, "[]")
	// Empty string would cause a slice with one (empty) entry
	if len(val) == 0 {
		return []time.Duration{}, nil
	}
	ss := strings.Split(val, ",")
	out := make([]time.Duration, len(ss))
	for i, d := range ss {
		var err error
		out[i], err = time.ParseDuration(d)
		if err != nil {
			return nil, err
		}

	}
	return out, nil
}

// GetDurationSlice returns the []time.Duration value of a flag with the given name
func (f *FlagSet) GetDurationSlice(name string) ([]time.Duration, error) {
	val, err := f.getFlagType(name, "durationSlice", durationSliceConv)
	if err != nil {
		return []time.Duration{}, err
	}
	return val.([]time.Duration), nil
}

// DurationSliceVar defines a durationSlice flag with specified name, default value, and usage string.
// The argument p points to a []time.Duration variable in which to store the value of the flag.
func (f *FlagSet) DurationSliceVar(p *[]time.Duration, name string, value []time.Duration, usage string) {
	f.VarP(newDurationSliceValue(value, p), name, "", usage)
}

// DurationSliceVarP is like DurationSliceVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) DurationSliceVarP(p *[]time.Duration, name, shorthand string, value []time.Duration, usage string) {
	f.VarP(newDurationSliceValue(value, p), name, shorthand, usage)
}

// DurationSliceVar defines a duration[] flag with specified name, default value, and usage string.
// The argument p points to a duration[] variable in which to store the value of the flag.
func DurationSliceVar(p *[]time.Duration, name string, value []time.Duration, usage string) {
	CommandLine.VarP(newDurationSliceValue(value, p), name, "", usage)
}

// DurationSliceVarP is like DurationSliceVar, but accepts a shorthand letter that can be used after a single dash.
func DurationSliceVarP(p *[]time.Duration, name, shorthand string, value []time.Duration, usage string) {
	CommandLine.VarP(newDurationSliceValue(value, p), name, shorthand, usage)
}

// DurationSlice defines a []time.Duration flag with specified name, default value, and usage string.
// The return value is the address of a []time.Duration variable that stores the value of the flag.
func (f *FlagSet) DurationSlice(name string, value []time.Duration, usage string) *[]time.Duration {
	p := []time.Duration{}
	f.DurationSliceVarP(&p, name, "", value, usage)
	return &p
}

// DurationSliceP is like DurationSlice, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) DurationSliceP(name, shorthand string, value []time.Duration, usage string) *[]time.Duration {
	p := []time.Duration{}
	f.DurationSliceVarP(&p, name, shorthand, value, usage)
	return &p
}

// DurationSlice defines a []time.Duration flag with specified name, default value, and usage string.
// The return value is the address of a []time.Duration variable that stores the value of the flag.
func DurationSlice(name string, value []time.Duration, usage string) *[]time.Duration {
	return CommandLine.DurationSliceP(name, "", value, usage)
}

// DurationSliceP is like DurationSlice, but accepts a shorthand letter that can be used after a single dash.
func DurationSliceP(name, shorthand string, value []time.Duration, usage string) *[]time.Duration {
	return CommandLine.DurationSliceP(name, shorthand, value, usage)
}