blob: 1474b89df6654b1ddcc9d3107f54966aa67e72a2 [file] [log] [blame]
Matthias Andreas Benkard832a54e2019-01-29 09:27:38 +01001package pflag
2
3import "strconv"
4
5// -- int Value
6type intValue int
7
8func newIntValue(val int, p *int) *intValue {
9 *p = val
10 return (*intValue)(p)
11}
12
13func (i *intValue) Set(s string) error {
14 v, err := strconv.ParseInt(s, 0, 64)
15 *i = intValue(v)
16 return err
17}
18
19func (i *intValue) Type() string {
20 return "int"
21}
22
23func (i *intValue) String() string { return strconv.Itoa(int(*i)) }
24
25func intConv(sval string) (interface{}, error) {
26 return strconv.Atoi(sval)
27}
28
29// GetInt return the int value of a flag with the given name
30func (f *FlagSet) GetInt(name string) (int, error) {
31 val, err := f.getFlagType(name, "int", intConv)
32 if err != nil {
33 return 0, err
34 }
35 return val.(int), nil
36}
37
38// IntVar defines an int flag with specified name, default value, and usage string.
39// The argument p points to an int variable in which to store the value of the flag.
40func (f *FlagSet) IntVar(p *int, name string, value int, usage string) {
41 f.VarP(newIntValue(value, p), name, "", usage)
42}
43
44// IntVarP is like IntVar, but accepts a shorthand letter that can be used after a single dash.
45func (f *FlagSet) IntVarP(p *int, name, shorthand string, value int, usage string) {
46 f.VarP(newIntValue(value, p), name, shorthand, usage)
47}
48
49// IntVar defines an int flag with specified name, default value, and usage string.
50// The argument p points to an int variable in which to store the value of the flag.
51func IntVar(p *int, name string, value int, usage string) {
52 CommandLine.VarP(newIntValue(value, p), name, "", usage)
53}
54
55// IntVarP is like IntVar, but accepts a shorthand letter that can be used after a single dash.
56func IntVarP(p *int, name, shorthand string, value int, usage string) {
57 CommandLine.VarP(newIntValue(value, p), name, shorthand, usage)
58}
59
60// Int defines an int flag with specified name, default value, and usage string.
61// The return value is the address of an int variable that stores the value of the flag.
62func (f *FlagSet) Int(name string, value int, usage string) *int {
63 p := new(int)
64 f.IntVarP(p, name, "", value, usage)
65 return p
66}
67
68// IntP is like Int, but accepts a shorthand letter that can be used after a single dash.
69func (f *FlagSet) IntP(name, shorthand string, value int, usage string) *int {
70 p := new(int)
71 f.IntVarP(p, name, shorthand, value, usage)
72 return p
73}
74
75// Int defines an int flag with specified name, default value, and usage string.
76// The return value is the address of an int variable that stores the value of the flag.
77func Int(name string, value int, usage string) *int {
78 return CommandLine.IntP(name, "", value, usage)
79}
80
81// IntP is like Int, but accepts a shorthand letter that can be used after a single dash.
82func IntP(name, shorthand string, value int, usage string) *int {
83 return CommandLine.IntP(name, shorthand, value, usage)
84}