1package pflag
2
3import (
4	"fmt"
5	"strconv"
6)
7
8// -- uint16 value
9type uint16Value uint16
10
11func newUint16Value(val uint16, p *uint16) *uint16Value {
12	*p = val
13	return (*uint16Value)(p)
14}
15func (i *uint16Value) String() string { return fmt.Sprintf("%d", *i) }
16func (i *uint16Value) Set(s string) error {
17	v, err := strconv.ParseUint(s, 0, 16)
18	*i = uint16Value(v)
19	return err
20}
21
22func (i *uint16Value) Type() string {
23	return "uint16"
24}
25
26func uint16Conv(sval string) (interface{}, error) {
27	v, err := strconv.ParseUint(sval, 0, 16)
28	if err != nil {
29		return 0, err
30	}
31	return uint16(v), nil
32}
33
34// GetUint16 return the uint16 value of a flag with the given name
35func (f *FlagSet) GetUint16(name string) (uint16, error) {
36	val, err := f.getFlagType(name, "uint16", uint16Conv)
37	if err != nil {
38		return 0, err
39	}
40	return val.(uint16), nil
41}
42
43// Uint16Var defines a uint flag with specified name, default value, and usage string.
44// The argument p points to a uint variable in which to store the value of the flag.
45func (f *FlagSet) Uint16Var(p *uint16, name string, value uint16, usage string) {
46	f.VarP(newUint16Value(value, p), name, "", usage)
47}
48
49// Uint16VarP is like Uint16Var, but accepts a shorthand letter that can be used after a single dash.
50func (f *FlagSet) Uint16VarP(p *uint16, name, shorthand string, value uint16, usage string) {
51	f.VarP(newUint16Value(value, p), name, shorthand, usage)
52}
53
54// Uint16Var defines a uint flag with specified name, default value, and usage string.
55// The argument p points to a uint  variable in which to store the value of the flag.
56func Uint16Var(p *uint16, name string, value uint16, usage string) {
57	CommandLine.VarP(newUint16Value(value, p), name, "", usage)
58}
59
60// Uint16VarP is like Uint16Var, but accepts a shorthand letter that can be used after a single dash.
61func Uint16VarP(p *uint16, name, shorthand string, value uint16, usage string) {
62	CommandLine.VarP(newUint16Value(value, p), name, shorthand, usage)
63}
64
65// Uint16 defines a uint flag with specified name, default value, and usage string.
66// The return value is the address of a uint  variable that stores the value of the flag.
67func (f *FlagSet) Uint16(name string, value uint16, usage string) *uint16 {
68	p := new(uint16)
69	f.Uint16VarP(p, name, "", value, usage)
70	return p
71}
72
73// Uint16P is like Uint16, but accepts a shorthand letter that can be used after a single dash.
74func (f *FlagSet) Uint16P(name, shorthand string, value uint16, usage string) *uint16 {
75	p := new(uint16)
76	f.Uint16VarP(p, name, shorthand, value, usage)
77	return p
78}
79
80// Uint16 defines a uint flag with specified name, default value, and usage string.
81// The return value is the address of a uint  variable that stores the value of the flag.
82func Uint16(name string, value uint16, usage string) *uint16 {
83	return CommandLine.Uint16P(name, "", value, usage)
84}
85
86// Uint16P is like Uint16, but accepts a shorthand letter that can be used after a single dash.
87func Uint16P(name, shorthand string, value uint16, usage string) *uint16 {
88	return CommandLine.Uint16P(name, shorthand, value, usage)
89}
90