10 // -- stringToInt Value
11 type stringToIntValue struct {
16 func newStringToIntValue(val map[string]int, p *map[string]int) *stringToIntValue {
17 ssv := new(stringToIntValue)
24 func (s *stringToIntValue) Set(val string) error {
25 ss := strings.Split(val, ",")
26 out := make(map[string]int, len(ss))
27 for _, pair := range ss {
28 kv := strings.SplitN(pair, "=", 2)
30 return fmt.Errorf("%s must be formatted as key=value", pair)
33 out[kv[0]], err = strconv.Atoi(kv[1])
41 for k, v := range out {
49 func (s *stringToIntValue) Type() string {
53 func (s *stringToIntValue) String() string {
56 for k, v := range *s.value {
62 buf.WriteString(strconv.Itoa(v))
65 return "[" + buf.String() + "]"
68 func stringToIntConv(val string) (interface{}, error) {
69 val = strings.Trim(val, "[]")
70 // An empty string would cause an empty map
72 return map[string]int{}, nil
74 ss := strings.Split(val, ",")
75 out := make(map[string]int, len(ss))
76 for _, pair := range ss {
77 kv := strings.SplitN(pair, "=", 2)
79 return nil, fmt.Errorf("%s must be formatted as key=value", pair)
82 out[kv[0]], err = strconv.Atoi(kv[1])
90 // GetStringToInt return the map[string]int value of a flag with the given name
91 func (f *FlagSet) GetStringToInt(name string) (map[string]int, error) {
92 val, err := f.getFlagType(name, "stringToInt", stringToIntConv)
94 return map[string]int{}, err
96 return val.(map[string]int), nil
99 // StringToIntVar defines a string flag with specified name, default value, and usage string.
100 // The argument p points to a map[string]int variable in which to store the values of the multiple flags.
101 // The value of each argument will not try to be separated by comma
102 func (f *FlagSet) StringToIntVar(p *map[string]int, name string, value map[string]int, usage string) {
103 f.VarP(newStringToIntValue(value, p), name, "", usage)
106 // StringToIntVarP is like StringToIntVar, but accepts a shorthand letter that can be used after a single dash.
107 func (f *FlagSet) StringToIntVarP(p *map[string]int, name, shorthand string, value map[string]int, usage string) {
108 f.VarP(newStringToIntValue(value, p), name, shorthand, usage)
111 // StringToIntVar defines a string flag with specified name, default value, and usage string.
112 // The argument p points to a map[string]int variable in which to store the value of the flag.
113 // The value of each argument will not try to be separated by comma
114 func StringToIntVar(p *map[string]int, name string, value map[string]int, usage string) {
115 CommandLine.VarP(newStringToIntValue(value, p), name, "", usage)
118 // StringToIntVarP is like StringToIntVar, but accepts a shorthand letter that can be used after a single dash.
119 func StringToIntVarP(p *map[string]int, name, shorthand string, value map[string]int, usage string) {
120 CommandLine.VarP(newStringToIntValue(value, p), name, shorthand, usage)
123 // StringToInt defines a string flag with specified name, default value, and usage string.
124 // The return value is the address of a map[string]int variable that stores the value of the flag.
125 // The value of each argument will not try to be separated by comma
126 func (f *FlagSet) StringToInt(name string, value map[string]int, usage string) *map[string]int {
127 p := map[string]int{}
128 f.StringToIntVarP(&p, name, "", value, usage)
132 // StringToIntP is like StringToInt, but accepts a shorthand letter that can be used after a single dash.
133 func (f *FlagSet) StringToIntP(name, shorthand string, value map[string]int, usage string) *map[string]int {
134 p := map[string]int{}
135 f.StringToIntVarP(&p, name, shorthand, value, usage)
139 // StringToInt defines a string flag with specified name, default value, and usage string.
140 // The return value is the address of a map[string]int variable that stores the value of the flag.
141 // The value of each argument will not try to be separated by comma
142 func StringToInt(name string, value map[string]int, usage string) *map[string]int {
143 return CommandLine.StringToIntP(name, "", value, usage)
146 // StringToIntP is like StringToInt, but accepts a shorthand letter that can be used after a single dash.
147 func StringToIntP(name, shorthand string, value map[string]int, usage string) *map[string]int {
148 return CommandLine.StringToIntP(name, shorthand, value, usage)