1 package pflag
2 3 import "strconv"
4 5 // -- int32 Value
6 type int32Value int32
7 8 func newInt32Value(val int32, p *int32) *int32Value {
9 *p = val
10 return (*int32Value)(p)
11 }
12 13 func (i *int32Value) Set(s string) error {
14 v, err := strconv.ParseInt(s, 0, 32)
15 *i = int32Value(v)
16 return err
17 }
18 19 func (i *int32Value) Type() string {
20 return "int32"
21 }
22 23 func (i *int32Value) String() string { return strconv.FormatInt(int64(*i), 10) }
24 25 func int32Conv(sval string) (interface{}, error) {
26 v, err := strconv.ParseInt(sval, 0, 32)
27 if err != nil {
28 return 0, err
29 }
30 return int32(v), nil
31 }
32 33 // GetInt32 return the int32 value of a flag with the given name
34 func (f *FlagSet) GetInt32(name string) (int32, error) {
35 val, err := f.getFlagType(name, "int32", int32Conv)
36 if err != nil {
37 return 0, err
38 }
39 return val.(int32), nil
40 }
41 42 // Int32Var defines an int32 flag with specified name, default value, and usage string.
43 // The argument p points to an int32 variable in which to store the value of the flag.
44 func (f *FlagSet) Int32Var(p *int32, name string, value int32, usage string) {
45 f.VarP(newInt32Value(value, p), name, "", usage)
46 }
47 48 // Int32VarP is like Int32Var, but accepts a shorthand letter that can be used after a single dash.
49 func (f *FlagSet) Int32VarP(p *int32, name, shorthand string, value int32, usage string) {
50 f.VarP(newInt32Value(value, p), name, shorthand, usage)
51 }
52 53 // Int32Var defines an int32 flag with specified name, default value, and usage string.
54 // The argument p points to an int32 variable in which to store the value of the flag.
55 func Int32Var(p *int32, name string, value int32, usage string) {
56 CommandLine.VarP(newInt32Value(value, p), name, "", usage)
57 }
58 59 // Int32VarP is like Int32Var, but accepts a shorthand letter that can be used after a single dash.
60 func Int32VarP(p *int32, name, shorthand string, value int32, usage string) {
61 CommandLine.VarP(newInt32Value(value, p), name, shorthand, usage)
62 }
63 64 // Int32 defines an int32 flag with specified name, default value, and usage string.
65 // The return value is the address of an int32 variable that stores the value of the flag.
66 func (f *FlagSet) Int32(name string, value int32, usage string) *int32 {
67 p := new(int32)
68 f.Int32VarP(p, name, "", value, usage)
69 return p
70 }
71 72 // Int32P is like Int32, but accepts a shorthand letter that can be used after a single dash.
73 func (f *FlagSet) Int32P(name, shorthand string, value int32, usage string) *int32 {
74 p := new(int32)
75 f.Int32VarP(p, name, shorthand, value, usage)
76 return p
77 }
78 79 // Int32 defines an int32 flag with specified name, default value, and usage string.
80 // The return value is the address of an int32 variable that stores the value of the flag.
81 func Int32(name string, value int32, usage string) *int32 {
82 return CommandLine.Int32P(name, "", value, usage)
83 }
84 85 // Int32P is like Int32, but accepts a shorthand letter that can be used after a single dash.
86 func Int32P(name, shorthand string, value int32, usage string) *int32 {
87 return CommandLine.Int32P(name, shorthand, value, usage)
88 }
89