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