diff options
Diffstat (limited to 'vendor/github.com/spf13/pflag/duration_slice.go')
-rw-r--r-- | vendor/github.com/spf13/pflag/duration_slice.go | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/vendor/github.com/spf13/pflag/duration_slice.go b/vendor/github.com/spf13/pflag/duration_slice.go new file mode 100644 index 000000000..52c6b6dc1 --- /dev/null +++ b/vendor/github.com/spf13/pflag/duration_slice.go @@ -0,0 +1,128 @@ +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) +} |