3 // -- stringArray Value
4 type stringArrayValue struct {
9 func newStringArrayValue(val []string, p *[]string) *stringArrayValue {
10 ssv := new(stringArrayValue)
16 func (s *stringArrayValue) Set(val string) error {
18 *s.value = []string{val}
21 *s.value = append(*s.value, val)
26 func (s *stringArrayValue) Type() string {
30 func (s *stringArrayValue) String() string {
31 str, _ := writeAsCSV(*s.value)
32 return "[" + str + "]"
35 func stringArrayConv(sval string) (interface{}, error) {
36 sval = sval[1 : len(sval)-1]
37 // An empty string would cause a array with one (empty) string
39 return []string{}, nil
41 return readAsCSV(sval)
44 // GetStringArray return the []string value of a flag with the given name
45 func (f *FlagSet) GetStringArray(name string) ([]string, error) {
46 val, err := f.getFlagType(name, "stringArray", stringArrayConv)
48 return []string{}, err
50 return val.([]string), nil
53 // StringArrayVar defines a string flag with specified name, default value, and usage string.
54 // The argument p points to a []string variable in which to store the values of the multiple flags.
55 // The value of each argument will not try to be separated by comma. Use a StringSlice for that.
56 func (f *FlagSet) StringArrayVar(p *[]string, name string, value []string, usage string) {
57 f.VarP(newStringArrayValue(value, p), name, "", usage)
60 // StringArrayVarP is like StringArrayVar, but accepts a shorthand letter that can be used after a single dash.
61 func (f *FlagSet) StringArrayVarP(p *[]string, name, shorthand string, value []string, usage string) {
62 f.VarP(newStringArrayValue(value, p), name, shorthand, usage)
65 // StringArrayVar defines a string flag with specified name, default value, and usage string.
66 // The argument p points to a []string variable in which to store the value of the flag.
67 // The value of each argument will not try to be separated by comma. Use a StringSlice for that.
68 func StringArrayVar(p *[]string, name string, value []string, usage string) {
69 CommandLine.VarP(newStringArrayValue(value, p), name, "", usage)
72 // StringArrayVarP is like StringArrayVar, but accepts a shorthand letter that can be used after a single dash.
73 func StringArrayVarP(p *[]string, name, shorthand string, value []string, usage string) {
74 CommandLine.VarP(newStringArrayValue(value, p), name, shorthand, usage)
77 // StringArray defines a string flag with specified name, default value, and usage string.
78 // The return value is the address of a []string variable that stores the value of the flag.
79 // The value of each argument will not try to be separated by comma. Use a StringSlice for that.
80 func (f *FlagSet) StringArray(name string, value []string, usage string) *[]string {
82 f.StringArrayVarP(&p, name, "", value, usage)
86 // StringArrayP is like StringArray, but accepts a shorthand letter that can be used after a single dash.
87 func (f *FlagSet) StringArrayP(name, shorthand string, value []string, usage string) *[]string {
89 f.StringArrayVarP(&p, name, shorthand, value, usage)
93 // StringArray defines a string flag with specified name, default value, and usage string.
94 // The return value is the address of a []string variable that stores the value of the flag.
95 // The value of each argument will not try to be separated by comma. Use a StringSlice for that.
96 func StringArray(name string, value []string, usage string) *[]string {
97 return CommandLine.StringArrayP(name, "", value, usage)
100 // StringArrayP is like StringArray, but accepts a shorthand letter that can be used after a single dash.
101 func StringArrayP(name, shorthand string, value []string, usage string) *[]string {
102 return CommandLine.StringArrayP(name, shorthand, value, usage)