1package pflag
2
3import (
4	"fmt"
5	"strconv"
6)
7
8// -- int64 Value
9type int64Value int64
10
11func newInt64Value(val int64, p *int64) *int64Value {
12	*p = val
13	return (*int64Value)(p)
14}
15
16func (i *int64Value) Set(s string) error {
17	v, err := strconv.ParseInt(s, 0, 64)
18	*i = int64Value(v)
19	return err
20}
21
22func (i *int64Value) Type() string {
23	return "int64"
24}
25
26func (i *int64Value) String() string { return fmt.Sprintf("%v", *i) }
27
28func int64Conv(sval string) (interface{}, error) {
29	return strconv.ParseInt(sval, 0, 64)
30}
31
32// GetInt64 return the int64 value of a flag with the given name
33func (f *FlagSet) GetInt64(name string) (int64, error) {
34	val, err := f.getFlagType(name, "int64", int64Conv)
35	if err != nil {
36		return 0, err
37	}
38	return val.(int64), nil
39}
40
41// Int64Var defines an int64 flag with specified name, default value, and usage string.
42// The argument p points to an int64 variable in which to store the value of the flag.
43func (f *FlagSet) Int64Var(p *int64, name string, value int64, usage string) {
44	f.VarP(newInt64Value(value, p), name, "", usage)
45}
46
47// Int64VarP is like Int64Var, but accepts a shorthand letter that can be used after a single dash.
48func (f *FlagSet) Int64VarP(p *int64, name, shorthand string, value int64, usage string) {
49	f.VarP(newInt64Value(value, p), name, shorthand, usage)
50}
51
52// Int64Var defines an int64 flag with specified name, default value, and usage string.
53// The argument p points to an int64 variable in which to store the value of the flag.
54func Int64Var(p *int64, name string, value int64, usage string) {
55	CommandLine.VarP(newInt64Value(value, p), name, "", usage)
56}
57
58// Int64VarP is like Int64Var, but accepts a shorthand letter that can be used after a single dash.
59func Int64VarP(p *int64, name, shorthand string, value int64, usage string) {
60	CommandLine.VarP(newInt64Value(value, p), name, shorthand, usage)
61}
62
63// Int64 defines an int64 flag with specified name, default value, and usage string.
64// The return value is the address of an int64 variable that stores the value of the flag.
65func (f *FlagSet) Int64(name string, value int64, usage string) *int64 {
66	p := new(int64)
67	f.Int64VarP(p, name, "", value, usage)
68	return p
69}
70
71// Int64P is like Int64, but accepts a shorthand letter that can be used after a single dash.
72func (f *FlagSet) Int64P(name, shorthand string, value int64, usage string) *int64 {
73	p := new(int64)
74	f.Int64VarP(p, name, shorthand, value, usage)
75	return p
76}
77
78// Int64 defines an int64 flag with specified name, default value, and usage string.
79// The return value is the address of an int64 variable that stores the value of the flag.
80func Int64(name string, value int64, usage string) *int64 {
81	return CommandLine.Int64P(name, "", value, usage)
82}
83
84// Int64P is like Int64, but accepts a shorthand letter that can be used after a single dash.
85func Int64P(name, shorthand string, value int64, usage string) *int64 {
86	return CommandLine.Int64P(name, shorthand, value, usage)
87}
88