podman
149 строк · 4.9 Кб
1package pflag
2
3import (
4"bytes"
5"fmt"
6"strconv"
7"strings"
8)
9
10// -- stringToInt64 Value
11type stringToInt64Value struct {
12value *map[string]int64
13changed bool
14}
15
16func newStringToInt64Value(val map[string]int64, p *map[string]int64) *stringToInt64Value {
17ssv := new(stringToInt64Value)
18ssv.value = p
19*ssv.value = val
20return ssv
21}
22
23// Format: a=1,b=2
24func (s *stringToInt64Value) Set(val string) error {
25ss := strings.Split(val, ",")
26out := make(map[string]int64, len(ss))
27for _, pair := range ss {
28kv := strings.SplitN(pair, "=", 2)
29if len(kv) != 2 {
30return fmt.Errorf("%s must be formatted as key=value", pair)
31}
32var err error
33out[kv[0]], err = strconv.ParseInt(kv[1], 10, 64)
34if err != nil {
35return err
36}
37}
38if !s.changed {
39*s.value = out
40} else {
41for k, v := range out {
42(*s.value)[k] = v
43}
44}
45s.changed = true
46return nil
47}
48
49func (s *stringToInt64Value) Type() string {
50return "stringToInt64"
51}
52
53func (s *stringToInt64Value) String() string {
54var buf bytes.Buffer
55i := 0
56for k, v := range *s.value {
57if i > 0 {
58buf.WriteRune(',')
59}
60buf.WriteString(k)
61buf.WriteRune('=')
62buf.WriteString(strconv.FormatInt(v, 10))
63i++
64}
65return "[" + buf.String() + "]"
66}
67
68func stringToInt64Conv(val string) (interface{}, error) {
69val = strings.Trim(val, "[]")
70// An empty string would cause an empty map
71if len(val) == 0 {
72return map[string]int64{}, nil
73}
74ss := strings.Split(val, ",")
75out := make(map[string]int64, len(ss))
76for _, pair := range ss {
77kv := strings.SplitN(pair, "=", 2)
78if len(kv) != 2 {
79return nil, fmt.Errorf("%s must be formatted as key=value", pair)
80}
81var err error
82out[kv[0]], err = strconv.ParseInt(kv[1], 10, 64)
83if err != nil {
84return nil, err
85}
86}
87return out, nil
88}
89
90// GetStringToInt64 return the map[string]int64 value of a flag with the given name
91func (f *FlagSet) GetStringToInt64(name string) (map[string]int64, error) {
92val, err := f.getFlagType(name, "stringToInt64", stringToInt64Conv)
93if err != nil {
94return map[string]int64{}, err
95}
96return val.(map[string]int64), nil
97}
98
99// StringToInt64Var defines a string flag with specified name, default value, and usage string.
100// The argument p point64s to a map[string]int64 variable in which to store the values of the multiple flags.
101// The value of each argument will not try to be separated by comma
102func (f *FlagSet) StringToInt64Var(p *map[string]int64, name string, value map[string]int64, usage string) {
103f.VarP(newStringToInt64Value(value, p), name, "", usage)
104}
105
106// StringToInt64VarP is like StringToInt64Var, but accepts a shorthand letter that can be used after a single dash.
107func (f *FlagSet) StringToInt64VarP(p *map[string]int64, name, shorthand string, value map[string]int64, usage string) {
108f.VarP(newStringToInt64Value(value, p), name, shorthand, usage)
109}
110
111// StringToInt64Var defines a string flag with specified name, default value, and usage string.
112// The argument p point64s to a map[string]int64 variable in which to store the value of the flag.
113// The value of each argument will not try to be separated by comma
114func StringToInt64Var(p *map[string]int64, name string, value map[string]int64, usage string) {
115CommandLine.VarP(newStringToInt64Value(value, p), name, "", usage)
116}
117
118// StringToInt64VarP is like StringToInt64Var, but accepts a shorthand letter that can be used after a single dash.
119func StringToInt64VarP(p *map[string]int64, name, shorthand string, value map[string]int64, usage string) {
120CommandLine.VarP(newStringToInt64Value(value, p), name, shorthand, usage)
121}
122
123// StringToInt64 defines a string flag with specified name, default value, and usage string.
124// The return value is the address of a map[string]int64 variable that stores the value of the flag.
125// The value of each argument will not try to be separated by comma
126func (f *FlagSet) StringToInt64(name string, value map[string]int64, usage string) *map[string]int64 {
127p := map[string]int64{}
128f.StringToInt64VarP(&p, name, "", value, usage)
129return &p
130}
131
132// StringToInt64P is like StringToInt64, but accepts a shorthand letter that can be used after a single dash.
133func (f *FlagSet) StringToInt64P(name, shorthand string, value map[string]int64, usage string) *map[string]int64 {
134p := map[string]int64{}
135f.StringToInt64VarP(&p, name, shorthand, value, usage)
136return &p
137}
138
139// StringToInt64 defines a string flag with specified name, default value, and usage string.
140// The return value is the address of a map[string]int64 variable that stores the value of the flag.
141// The value of each argument will not try to be separated by comma
142func StringToInt64(name string, value map[string]int64, usage string) *map[string]int64 {
143return CommandLine.StringToInt64P(name, "", value, usage)
144}
145
146// StringToInt64P is like StringToInt64, but accepts a shorthand letter that can be used after a single dash.
147func StringToInt64P(name, shorthand string, value map[string]int64, usage string) *map[string]int64 {
148return CommandLine.StringToInt64P(name, shorthand, value, usage)
149}
150