podman

1
package pflag
2

3
import "strconv"
4

5
// -- count Value
6
type countValue int
7

8
func newCountValue(val int, p *int) *countValue {
9
	*p = val
10
	return (*countValue)(p)
11
}
12

13
func (i *countValue) Set(s string) error {
14
	// "+1" means that no specific value was passed, so increment
15
	if s == "+1" {
16
		*i = countValue(*i + 1)
17
		return nil
18
	}
19
	v, err := strconv.ParseInt(s, 0, 0)
20
	*i = countValue(v)
21
	return err
22
}
23

24
func (i *countValue) Type() string {
25
	return "count"
26
}
27

28
func (i *countValue) String() string { return strconv.Itoa(int(*i)) }
29

30
func countConv(sval string) (interface{}, error) {
31
	i, err := strconv.Atoi(sval)
32
	if err != nil {
33
		return nil, err
34
	}
35
	return i, nil
36
}
37

38
// GetCount return the int value of a flag with the given name
39
func (f *FlagSet) GetCount(name string) (int, error) {
40
	val, err := f.getFlagType(name, "count", countConv)
41
	if err != nil {
42
		return 0, err
43
	}
44
	return val.(int), nil
45
}
46

47
// CountVar defines a count flag with specified name, default value, and usage string.
48
// The argument p points to an int variable in which to store the value of the flag.
49
// A count flag will add 1 to its value every time it is found on the command line
50
func (f *FlagSet) CountVar(p *int, name string, usage string) {
51
	f.CountVarP(p, name, "", usage)
52
}
53

54
// CountVarP is like CountVar only take a shorthand for the flag name.
55
func (f *FlagSet) CountVarP(p *int, name, shorthand string, usage string) {
56
	flag := f.VarPF(newCountValue(0, p), name, shorthand, usage)
57
	flag.NoOptDefVal = "+1"
58
}
59

60
// CountVar like CountVar only the flag is placed on the CommandLine instead of a given flag set
61
func CountVar(p *int, name string, usage string) {
62
	CommandLine.CountVar(p, name, usage)
63
}
64

65
// CountVarP is like CountVar only take a shorthand for the flag name.
66
func CountVarP(p *int, name, shorthand string, usage string) {
67
	CommandLine.CountVarP(p, name, shorthand, usage)
68
}
69

70
// Count defines a count flag with specified name, default value, and usage string.
71
// The return value is the address of an int variable that stores the value of the flag.
72
// A count flag will add 1 to its value every time it is found on the command line
73
func (f *FlagSet) Count(name string, usage string) *int {
74
	p := new(int)
75
	f.CountVarP(p, name, "", usage)
76
	return p
77
}
78

79
// CountP is like Count only takes a shorthand for the flag name.
80
func (f *FlagSet) CountP(name, shorthand string, usage string) *int {
81
	p := new(int)
82
	f.CountVarP(p, name, shorthand, usage)
83
	return p
84
}
85

86
// Count defines a count flag with specified name, default value, and usage string.
87
// The return value is the address of an int variable that stores the value of the flag.
88
// A count flag will add 1 to its value evey time it is found on the command line
89
func Count(name string, usage string) *int {
90
	return CommandLine.CountP(name, "", usage)
91
}
92

93
// CountP is like Count only takes a shorthand for the flag name.
94
func CountP(name, shorthand string, usage string) *int {
95
	return CommandLine.CountP(name, shorthand, usage)
96
}
97