vanity

vanity - A tiny server for golang vanity redirects
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uint.go (2935B)

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