128 lines
4.2 KiB
Go
128 lines
4.2 KiB
Go
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 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)
|
|
}
|