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132 lines
4 KiB
Go
132 lines
4 KiB
Go
package pflag
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import (
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"fmt"
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"strconv"
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"strings"
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)
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// -- int32Slice Value
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type int32SliceValue struct {
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value *[]int32
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changed bool
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}
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func newInt32SliceValue(val []int32, p *[]int32) *int32SliceValue {
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isv := new(int32SliceValue)
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isv.value = p
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*isv.value = val
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return isv
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}
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func (s *int32SliceValue) Set(val string) error {
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ss := strings.Split(val, ",")
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out := make([]int32, len(ss))
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for i, d := range ss {
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var err error
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var temp64 int64
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temp64, err = strconv.ParseInt(d, 0, 32)
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if err != nil {
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return err
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}
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out[i] = int32(temp64)
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}
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if !s.changed {
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*s.value = out
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} else {
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*s.value = append(*s.value, out...)
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}
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s.changed = true
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return nil
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}
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func (s *int32SliceValue) Type() string {
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return "int32Slice"
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}
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func (s *int32SliceValue) String() string {
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out := make([]string, len(*s.value))
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for i, d := range *s.value {
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out[i] = fmt.Sprintf("%d", d)
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}
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return "[" + strings.Join(out, ",") + "]"
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}
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func int32SliceConv(val string) (interface{}, error) {
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val = strings.Trim(val, "[]")
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// Empty string would cause a slice with one (empty) entry
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if len(val) == 0 {
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return []int32{}, nil
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}
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ss := strings.Split(val, ",")
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out := make([]int32, len(ss))
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for i, d := range ss {
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var err error
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var temp64 int64
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temp64, err = strconv.ParseInt(d, 0, 32)
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if err != nil {
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return nil, err
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}
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out[i] = int32(temp64)
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}
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return out, nil
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}
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// GetInt32Slice return the []int32 value of a flag with the given name
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func (f *FlagSet) GetInt32Slice(name string) ([]int32, error) {
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val, err := f.getFlagType(name, "int32Slice", int32SliceConv)
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if err != nil {
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return []int32{}, err
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}
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return val.([]int32), nil
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}
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// Int32SliceVar defines a int32Slice flag with specified name, default value, and usage string.
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// The argument p points to a []int32 variable in which to store the value of the flag.
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func (f *FlagSet) Int32SliceVar(p *[]int32, name string, value []int32, usage string) {
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f.VarP(newInt32SliceValue(value, p), name, "", usage)
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}
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// Int32SliceVarP is like Int32SliceVar, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) Int32SliceVarP(p *[]int32, name, shorthand string, value []int32, usage string) {
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f.VarP(newInt32SliceValue(value, p), name, shorthand, usage)
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}
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// Int32SliceVar defines a int32[] flag with specified name, default value, and usage string.
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// The argument p points to a int32[] variable in which to store the value of the flag.
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func Int32SliceVar(p *[]int32, name string, value []int32, usage string) {
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CommandLine.VarP(newInt32SliceValue(value, p), name, "", usage)
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}
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// Int32SliceVarP is like Int32SliceVar, but accepts a shorthand letter that can be used after a single dash.
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func Int32SliceVarP(p *[]int32, name, shorthand string, value []int32, usage string) {
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CommandLine.VarP(newInt32SliceValue(value, p), name, shorthand, usage)
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}
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// Int32Slice defines a []int32 flag with specified name, default value, and usage string.
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// The return value is the address of a []int32 variable that stores the value of the flag.
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func (f *FlagSet) Int32Slice(name string, value []int32, usage string) *[]int32 {
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p := []int32{}
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f.Int32SliceVarP(&p, name, "", value, usage)
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return &p
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}
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// Int32SliceP is like Int32Slice, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) Int32SliceP(name, shorthand string, value []int32, usage string) *[]int32 {
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p := []int32{}
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f.Int32SliceVarP(&p, name, shorthand, value, usage)
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return &p
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}
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// Int32Slice defines a []int32 flag with specified name, default value, and usage string.
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// The return value is the address of a []int32 variable that stores the value of the flag.
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func Int32Slice(name string, value []int32, usage string) *[]int32 {
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return CommandLine.Int32SliceP(name, "", value, usage)
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}
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// Int32SliceP is like Int32Slice, but accepts a shorthand letter that can be used after a single dash.
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func Int32SliceP(name, shorthand string, value []int32, usage string) *[]int32 {
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return CommandLine.Int32SliceP(name, shorthand, value, usage)
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}
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