1package pflag 2 3import "strconv" 4 5// -- uint8 Value 6type uint8Value uint8 7 8func newUint8Value(val uint8, p *uint8) *uint8Value { 9 *p = val 10 return (*uint8Value)(p) 11} 12 13func (i *uint8Value) Set(s string) error { 14 v, err := strconv.ParseUint(s, 0, 8) 15 *i = uint8Value(v) 16 return err 17} 18 19func (i *uint8Value) Type() string { 20 return "uint8" 21} 22 23func (i *uint8Value) String() string { return strconv.FormatUint(uint64(*i), 10) } 24 25func 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 34func (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. 44func (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. 49func (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. 55func 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. 60func 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. 66func (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. 73func (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. 81func 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. 86func Uint8P(name, shorthand string, value uint8, usage string) *uint8 { 87 return CommandLine.Uint8P(name, shorthand, value, usage) 88} 89