1package pflag 2 3import "strconv" 4 5// -- uint32 value 6type uint32Value uint32 7 8func newUint32Value(val uint32, p *uint32) *uint32Value { 9 *p = val 10 return (*uint32Value)(p) 11} 12 13func (i *uint32Value) Set(s string) error { 14 v, err := strconv.ParseUint(s, 0, 32) 15 *i = uint32Value(v) 16 return err 17} 18 19func (i *uint32Value) Type() string { 20 return "uint32" 21} 22 23func (i *uint32Value) String() string { return strconv.FormatUint(uint64(*i), 10) } 24 25func uint32Conv(sval string) (interface{}, error) { 26 v, err := strconv.ParseUint(sval, 0, 32) 27 if err != nil { 28 return 0, err 29 } 30 return uint32(v), nil 31} 32 33// GetUint32 return the uint32 value of a flag with the given name 34func (f *FlagSet) GetUint32(name string) (uint32, error) { 35 val, err := f.getFlagType(name, "uint32", uint32Conv) 36 if err != nil { 37 return 0, err 38 } 39 return val.(uint32), nil 40} 41 42// Uint32Var defines a uint32 flag with specified name, default value, and usage string. 43// The argument p points to a uint32 variable in which to store the value of the flag. 44func (f *FlagSet) Uint32Var(p *uint32, name string, value uint32, usage string) { 45 f.VarP(newUint32Value(value, p), name, "", usage) 46} 47 48// Uint32VarP is like Uint32Var, but accepts a shorthand letter that can be used after a single dash. 49func (f *FlagSet) Uint32VarP(p *uint32, name, shorthand string, value uint32, usage string) { 50 f.VarP(newUint32Value(value, p), name, shorthand, usage) 51} 52 53// Uint32Var defines a uint32 flag with specified name, default value, and usage string. 54// The argument p points to a uint32 variable in which to store the value of the flag. 55func Uint32Var(p *uint32, name string, value uint32, usage string) { 56 CommandLine.VarP(newUint32Value(value, p), name, "", usage) 57} 58 59// Uint32VarP is like Uint32Var, but accepts a shorthand letter that can be used after a single dash. 60func Uint32VarP(p *uint32, name, shorthand string, value uint32, usage string) { 61 CommandLine.VarP(newUint32Value(value, p), name, shorthand, usage) 62} 63 64// Uint32 defines a uint32 flag with specified name, default value, and usage string. 65// The return value is the address of a uint32 variable that stores the value of the flag. 66func (f *FlagSet) Uint32(name string, value uint32, usage string) *uint32 { 67 p := new(uint32) 68 f.Uint32VarP(p, name, "", value, usage) 69 return p 70} 71 72// Uint32P is like Uint32, but accepts a shorthand letter that can be used after a single dash. 73func (f *FlagSet) Uint32P(name, shorthand string, value uint32, usage string) *uint32 { 74 p := new(uint32) 75 f.Uint32VarP(p, name, shorthand, value, usage) 76 return p 77} 78 79// Uint32 defines a uint32 flag with specified name, default value, and usage string. 80// The return value is the address of a uint32 variable that stores the value of the flag. 81func Uint32(name string, value uint32, usage string) *uint32 { 82 return CommandLine.Uint32P(name, "", value, usage) 83} 84 85// Uint32P is like Uint32, but accepts a shorthand letter that can be used after a single dash. 86func Uint32P(name, shorthand string, value uint32, usage string) *uint32 { 87 return CommandLine.Uint32P(name, shorthand, value, usage) 88} 89