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105 lines
3.5 KiB
Go
105 lines
3.5 KiB
Go
package pflag
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import (
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"fmt"
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"strings"
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)
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var _ = fmt.Fprint
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// -- stringSlice Value
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type stringSliceValue struct {
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value *[]string
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changed bool
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}
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func newStringSliceValue(val []string, p *[]string) *stringSliceValue {
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ssv := new(stringSliceValue)
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ssv.value = p
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*ssv.value = val
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return ssv
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}
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func (s *stringSliceValue) Set(val string) error {
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v := strings.Split(val, ",")
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if !s.changed {
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*s.value = v
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} else {
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*s.value = append(*s.value, v...)
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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 *stringSliceValue) Type() string {
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return "stringSlice"
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}
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func (s *stringSliceValue) String() string { return "[" + strings.Join(*s.value, ",") + "]" }
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func stringSliceConv(sval string) (interface{}, error) {
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sval = strings.Trim(sval, "[]")
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// An empty string would cause a slice with one (empty) string
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if len(sval) == 0 {
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return []string{}, nil
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}
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v := strings.Split(sval, ",")
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return v, nil
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}
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// GetStringSlice return the []string value of a flag with the given name
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func (f *FlagSet) GetStringSlice(name string) ([]string, error) {
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val, err := f.getFlagType(name, "stringSlice", stringSliceConv)
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if err != nil {
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return []string{}, err
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}
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return val.([]string), nil
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}
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// StringSliceVar defines a string flag with specified name, default value, and usage string.
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// The argument p points to a []string variable in which to store the value of the flag.
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func (f *FlagSet) StringSliceVar(p *[]string, name string, value []string, usage string) {
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f.VarP(newStringSliceValue(value, p), name, "", usage)
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}
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// StringSliceVarP is like StringSliceVar, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) StringSliceVarP(p *[]string, name, shorthand string, value []string, usage string) {
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f.VarP(newStringSliceValue(value, p), name, shorthand, usage)
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}
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// StringSliceVar defines a string flag with specified name, default value, and usage string.
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// The argument p points to a []string variable in which to store the value of the flag.
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func StringSliceVar(p *[]string, name string, value []string, usage string) {
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CommandLine.VarP(newStringSliceValue(value, p), name, "", usage)
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}
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// StringSliceVarP is like StringSliceVar, but accepts a shorthand letter that can be used after a single dash.
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func StringSliceVarP(p *[]string, name, shorthand string, value []string, usage string) {
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CommandLine.VarP(newStringSliceValue(value, p), name, shorthand, usage)
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}
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// StringSlice defines a string flag with specified name, default value, and usage string.
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// The return value is the address of a []string variable that stores the value of the flag.
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func (f *FlagSet) StringSlice(name string, value []string, usage string) *[]string {
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p := []string{}
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f.StringSliceVarP(&p, name, "", value, usage)
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return &p
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}
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// StringSliceP is like StringSlice, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) StringSliceP(name, shorthand string, value []string, usage string) *[]string {
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p := []string{}
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f.StringSliceVarP(&p, name, shorthand, value, usage)
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return &p
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}
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// StringSlice defines a string flag with specified name, default value, and usage string.
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// The return value is the address of a []string variable that stores the value of the flag.
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func StringSlice(name string, value []string, usage string) *[]string {
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return CommandLine.StringSliceP(name, "", value, usage)
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}
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// StringSliceP is like StringSlice, but accepts a shorthand letter that can be used after a single dash.
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func StringSliceP(name, shorthand string, value []string, usage string) *[]string {
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return CommandLine.StringSliceP(name, shorthand, value, usage)
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}
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