1package pflag
2
3import "strconv"
4
5// -- uint32 value
6type uint32Value uint32
7
8func newUint32Value(val uint32, p *uint32) *uint32Value {
9	*p = val
10	return (*uint32Value)(p)
11}
12
13func (i *uint32Value) Set(s string) error {
14	v, err := strconv.ParseUint(s, 0, 32)
15	*i = uint32Value(v)
16	return err
17}
18
19func (i *uint32Value) Type() string {
20	return "uint32"
21}
22
23func (i *uint32Value) String() string { return strconv.FormatUint(uint64(*i), 10) }
24
25func uint32Conv(sval string) (interface{}, error) {
26	v, err := strconv.ParseUint(sval, 0, 32)
27	if err != nil {
28		return 0, err
29	}
30	return uint32(v), nil
31}
32
33// GetUint32 return the uint32 value of a flag with the given name
34func (f *FlagSet) GetUint32(name string) (uint32, error) {
35	val, err := f.getFlagType(name, "uint32", uint32Conv)
36	if err != nil {
37		return 0, err
38	}
39	return val.(uint32), nil
40}
41
42// Uint32Var defines a uint32 flag with specified name, default value, and usage string.
43// The argument p points to a uint32 variable in which to store the value of the flag.
44func (f *FlagSet) Uint32Var(p *uint32, name string, value uint32, usage string) {
45	f.VarP(newUint32Value(value, p), name, "", usage)
46}
47
48// Uint32VarP is like Uint32Var, but accepts a shorthand letter that can be used after a single dash.
49func (f *FlagSet) Uint32VarP(p *uint32, name, shorthand string, value uint32, usage string) {
50	f.VarP(newUint32Value(value, p), name, shorthand, usage)
51}
52
53// Uint32Var defines a uint32 flag with specified name, default value, and usage string.
54// The argument p points to a uint32  variable in which to store the value of the flag.
55func Uint32Var(p *uint32, name string, value uint32, usage string) {
56	CommandLine.VarP(newUint32Value(value, p), name, "", usage)
57}
58
59// Uint32VarP is like Uint32Var, but accepts a shorthand letter that can be used after a single dash.
60func Uint32VarP(p *uint32, name, shorthand string, value uint32, usage string) {
61	CommandLine.VarP(newUint32Value(value, p), name, shorthand, usage)
62}
63
64// Uint32 defines a uint32 flag with specified name, default value, and usage string.
65// The return value is the address of a uint32  variable that stores the value of the flag.
66func (f *FlagSet) Uint32(name string, value uint32, usage string) *uint32 {
67	p := new(uint32)
68	f.Uint32VarP(p, name, "", value, usage)
69	return p
70}
71
72// Uint32P is like Uint32, but accepts a shorthand letter that can be used after a single dash.
73func (f *FlagSet) Uint32P(name, shorthand string, value uint32, usage string) *uint32 {
74	p := new(uint32)
75	f.Uint32VarP(p, name, shorthand, value, usage)
76	return p
77}
78
79// Uint32 defines a uint32 flag with specified name, default value, and usage string.
80// The return value is the address of a uint32  variable that stores the value of the flag.
81func Uint32(name string, value uint32, usage string) *uint32 {
82	return CommandLine.Uint32P(name, "", value, usage)
83}
84
85// Uint32P is like Uint32, but accepts a shorthand letter that can be used after a single dash.
86func Uint32P(name, shorthand string, value uint32, usage string) *uint32 {
87	return CommandLine.Uint32P(name, shorthand, value, usage)
88}
89