| package pflag |
| |
| import "fmt" |
| |
| // -- string Value |
| type stringValue string |
| |
| func newStringValue(val string, p *string) *stringValue { |
| *p = val |
| return (*stringValue)(p) |
| } |
| |
| func (s *stringValue) Set(val string) error { |
| *s = stringValue(val) |
| return nil |
| } |
| |
| func (s *stringValue) String() string { return fmt.Sprintf("%s", *s) } |
| |
| // StringVar 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. |
| func (f *FlagSet) StringVar(p *string, name string, value string, usage string) { |
| f.VarP(newStringValue(value, p), name, "", usage) |
| } |
| |
| // Like StringVar, but accepts a shorthand letter that can be used after a single dash. |
| func (f *FlagSet) StringVarP(p *string, name, shorthand string, value string, usage string) { |
| f.VarP(newStringValue(value, p), name, shorthand, usage) |
| } |
| |
| // StringVar 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. |
| func StringVar(p *string, name string, value string, usage string) { |
| CommandLine.VarP(newStringValue(value, p), name, "", usage) |
| } |
| |
| // Like StringVar, but accepts a shorthand letter that can be used after a single dash. |
| func StringVarP(p *string, name, shorthand string, value string, usage string) { |
| CommandLine.VarP(newStringValue(value, p), name, shorthand, usage) |
| } |
| |
| // String 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. |
| func (f *FlagSet) String(name string, value string, usage string) *string { |
| p := new(string) |
| f.StringVarP(p, name, "", value, usage) |
| return p |
| } |
| |
| // Like String, but accepts a shorthand letter that can be used after a single dash. |
| func (f *FlagSet) StringP(name, shorthand string, value string, usage string) *string { |
| p := new(string) |
| f.StringVarP(p, name, shorthand, value, usage) |
| return p |
| } |
| |
| // String 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. |
| func String(name string, value string, usage string) *string { |
| return CommandLine.StringP(name, "", value, usage) |
| } |
| |
| // Like String, but accepts a shorthand letter that can be used after a single dash. |
| func StringP(name, shorthand string, value string, usage string) *string { |
| return CommandLine.StringP(name, shorthand, value, usage) |
| } |