k3d/vendor/github.com/spf13/pflag/string_array.go
iwilltry42 1b7f5c5f78
createCluster/timeout: use context to handle cancellation
With the updated cobra depencendy, we're now passing a context
from the cmd to the called functions.
When creating a cluster, one can pass a Duration to the --timeout
flag, which will create a new context with a timeout.
In the two blocking functions, where we're waiting for the master nodes
(initializing master nodes and "normal" master nodes), we're now
checking for the context cancellation as well, which may be caused
by the timeout.
2020-04-15 11:52:22 +02:00

130 lines
4.3 KiB
Go

package pflag
// -- stringArray Value
type stringArrayValue struct {
value *[]string
changed bool
}
func newStringArrayValue(val []string, p *[]string) *stringArrayValue {
ssv := new(stringArrayValue)
ssv.value = p
*ssv.value = val
return ssv
}
func (s *stringArrayValue) Set(val string) error {
if !s.changed {
*s.value = []string{val}
s.changed = true
} else {
*s.value = append(*s.value, val)
}
return nil
}
func (s *stringArrayValue) Append(val string) error {
*s.value = append(*s.value, val)
return nil
}
func (s *stringArrayValue) Replace(val []string) error {
out := make([]string, len(val))
for i, d := range val {
var err error
out[i] = d
if err != nil {
return err
}
}
*s.value = out
return nil
}
func (s *stringArrayValue) GetSlice() []string {
out := make([]string, len(*s.value))
for i, d := range *s.value {
out[i] = d
}
return out
}
func (s *stringArrayValue) Type() string {
return "stringArray"
}
func (s *stringArrayValue) String() string {
str, _ := writeAsCSV(*s.value)
return "[" + str + "]"
}
func stringArrayConv(sval string) (interface{}, error) {
sval = sval[1 : len(sval)-1]
// An empty string would cause a array with one (empty) string
if len(sval) == 0 {
return []string{}, nil
}
return readAsCSV(sval)
}
// GetStringArray return the []string value of a flag with the given name
func (f *FlagSet) GetStringArray(name string) ([]string, error) {
val, err := f.getFlagType(name, "stringArray", stringArrayConv)
if err != nil {
return []string{}, err
}
return val.([]string), nil
}
// StringArrayVar defines a string flag with specified name, default value, and usage string.
// The argument p points to a []string variable in which to store the values of the multiple flags.
// The value of each argument will not try to be separated by comma. Use a StringSlice for that.
func (f *FlagSet) StringArrayVar(p *[]string, name string, value []string, usage string) {
f.VarP(newStringArrayValue(value, p), name, "", usage)
}
// StringArrayVarP is like StringArrayVar, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) StringArrayVarP(p *[]string, name, shorthand string, value []string, usage string) {
f.VarP(newStringArrayValue(value, p), name, shorthand, usage)
}
// StringArrayVar defines a string flag with specified name, default value, and usage string.
// The argument p points to a []string variable in which to store the value of the flag.
// The value of each argument will not try to be separated by comma. Use a StringSlice for that.
func StringArrayVar(p *[]string, name string, value []string, usage string) {
CommandLine.VarP(newStringArrayValue(value, p), name, "", usage)
}
// StringArrayVarP is like StringArrayVar, but accepts a shorthand letter that can be used after a single dash.
func StringArrayVarP(p *[]string, name, shorthand string, value []string, usage string) {
CommandLine.VarP(newStringArrayValue(value, p), name, shorthand, usage)
}
// StringArray defines a string flag with specified name, default value, and usage string.
// The return value is the address of a []string variable that stores the value of the flag.
// The value of each argument will not try to be separated by comma. Use a StringSlice for that.
func (f *FlagSet) StringArray(name string, value []string, usage string) *[]string {
p := []string{}
f.StringArrayVarP(&p, name, "", value, usage)
return &p
}
// StringArrayP is like StringArray, but accepts a shorthand letter that can be used after a single dash.
func (f *FlagSet) StringArrayP(name, shorthand string, value []string, usage string) *[]string {
p := []string{}
f.StringArrayVarP(&p, name, shorthand, value, usage)
return &p
}
// StringArray defines a string flag with specified name, default value, and usage string.
// The return value is the address of a []string variable that stores the value of the flag.
// The value of each argument will not try to be separated by comma. Use a StringSlice for that.
func StringArray(name string, value []string, usage string) *[]string {
return CommandLine.StringArrayP(name, "", value, usage)
}
// StringArrayP is like StringArray, but accepts a shorthand letter that can be used after a single dash.
func StringArrayP(name, shorthand string, value []string, usage string) *[]string {
return CommandLine.StringArrayP(name, shorthand, value, usage)
}