Scott Baker | e7144bc | 2019-10-01 14:16:47 -0700 | [diff] [blame^] | 1 | package pflag |
| 2 | |
| 3 | import "strconv" |
| 4 | |
| 5 | // -- uint8 Value |
| 6 | type uint8Value uint8 |
| 7 | |
| 8 | func newUint8Value(val uint8, p *uint8) *uint8Value { |
| 9 | *p = val |
| 10 | return (*uint8Value)(p) |
| 11 | } |
| 12 | |
| 13 | func (i *uint8Value) Set(s string) error { |
| 14 | v, err := strconv.ParseUint(s, 0, 8) |
| 15 | *i = uint8Value(v) |
| 16 | return err |
| 17 | } |
| 18 | |
| 19 | func (i *uint8Value) Type() string { |
| 20 | return "uint8" |
| 21 | } |
| 22 | |
| 23 | func (i *uint8Value) String() string { return strconv.FormatUint(uint64(*i), 10) } |
| 24 | |
| 25 | func uint8Conv(sval string) (interface{}, error) { |
| 26 | v, err := strconv.ParseUint(sval, 0, 8) |
| 27 | if err != nil { |
| 28 | return 0, err |
| 29 | } |
| 30 | return uint8(v), nil |
| 31 | } |
| 32 | |
| 33 | // GetUint8 return the uint8 value of a flag with the given name |
| 34 | func (f *FlagSet) GetUint8(name string) (uint8, error) { |
| 35 | val, err := f.getFlagType(name, "uint8", uint8Conv) |
| 36 | if err != nil { |
| 37 | return 0, err |
| 38 | } |
| 39 | return val.(uint8), nil |
| 40 | } |
| 41 | |
| 42 | // Uint8Var defines a uint8 flag with specified name, default value, and usage string. |
| 43 | // The argument p points to a uint8 variable in which to store the value of the flag. |
| 44 | func (f *FlagSet) Uint8Var(p *uint8, name string, value uint8, usage string) { |
| 45 | f.VarP(newUint8Value(value, p), name, "", usage) |
| 46 | } |
| 47 | |
| 48 | // Uint8VarP is like Uint8Var, but accepts a shorthand letter that can be used after a single dash. |
| 49 | func (f *FlagSet) Uint8VarP(p *uint8, name, shorthand string, value uint8, usage string) { |
| 50 | f.VarP(newUint8Value(value, p), name, shorthand, usage) |
| 51 | } |
| 52 | |
| 53 | // Uint8Var defines a uint8 flag with specified name, default value, and usage string. |
| 54 | // The argument p points to a uint8 variable in which to store the value of the flag. |
| 55 | func Uint8Var(p *uint8, name string, value uint8, usage string) { |
| 56 | CommandLine.VarP(newUint8Value(value, p), name, "", usage) |
| 57 | } |
| 58 | |
| 59 | // Uint8VarP is like Uint8Var, but accepts a shorthand letter that can be used after a single dash. |
| 60 | func Uint8VarP(p *uint8, name, shorthand string, value uint8, usage string) { |
| 61 | CommandLine.VarP(newUint8Value(value, p), name, shorthand, usage) |
| 62 | } |
| 63 | |
| 64 | // Uint8 defines a uint8 flag with specified name, default value, and usage string. |
| 65 | // The return value is the address of a uint8 variable that stores the value of the flag. |
| 66 | func (f *FlagSet) Uint8(name string, value uint8, usage string) *uint8 { |
| 67 | p := new(uint8) |
| 68 | f.Uint8VarP(p, name, "", value, usage) |
| 69 | return p |
| 70 | } |
| 71 | |
| 72 | // Uint8P is like Uint8, but accepts a shorthand letter that can be used after a single dash. |
| 73 | func (f *FlagSet) Uint8P(name, shorthand string, value uint8, usage string) *uint8 { |
| 74 | p := new(uint8) |
| 75 | f.Uint8VarP(p, name, shorthand, value, usage) |
| 76 | return p |
| 77 | } |
| 78 | |
| 79 | // Uint8 defines a uint8 flag with specified name, default value, and usage string. |
| 80 | // The return value is the address of a uint8 variable that stores the value of the flag. |
| 81 | func Uint8(name string, value uint8, usage string) *uint8 { |
| 82 | return CommandLine.Uint8P(name, "", value, usage) |
| 83 | } |
| 84 | |
| 85 | // Uint8P is like Uint8, but accepts a shorthand letter that can be used after a single dash. |
| 86 | func Uint8P(name, shorthand string, value uint8, usage string) *uint8 { |
| 87 | return CommandLine.Uint8P(name, shorthand, value, usage) |
| 88 | } |