uint16.go raw

   1  package pflag
   2  
   3  import "strconv"
   4  
   5  // -- uint16 value
   6  type uint16Value uint16
   7  
   8  func newUint16Value(val uint16, p *uint16) *uint16Value {
   9  	*p = val
  10  	return (*uint16Value)(p)
  11  }
  12  
  13  func (i *uint16Value) Set(s string) error {
  14  	v, err := strconv.ParseUint(s, 0, 16)
  15  	*i = uint16Value(v)
  16  	return err
  17  }
  18  
  19  func (i *uint16Value) Type() string {
  20  	return "uint16"
  21  }
  22  
  23  func (i *uint16Value) String() string { return strconv.FormatUint(uint64(*i), 10) }
  24  
  25  func uint16Conv(sval string) (interface{}, error) {
  26  	v, err := strconv.ParseUint(sval, 0, 16)
  27  	if err != nil {
  28  		return 0, err
  29  	}
  30  	return uint16(v), nil
  31  }
  32  
  33  // GetUint16 return the uint16 value of a flag with the given name
  34  func (f *FlagSet) GetUint16(name string) (uint16, error) {
  35  	val, err := f.getFlagType(name, "uint16", uint16Conv)
  36  	if err != nil {
  37  		return 0, err
  38  	}
  39  	return val.(uint16), nil
  40  }
  41  
  42  // Uint16Var 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) Uint16Var(p *uint16, name string, value uint16, usage string) {
  45  	f.VarP(newUint16Value(value, p), name, "", usage)
  46  }
  47  
  48  // Uint16VarP is like Uint16Var, but accepts a shorthand letter that can be used after a single dash.
  49  func (f *FlagSet) Uint16VarP(p *uint16, name, shorthand string, value uint16, usage string) {
  50  	f.VarP(newUint16Value(value, p), name, shorthand, usage)
  51  }
  52  
  53  // Uint16Var 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 Uint16Var(p *uint16, name string, value uint16, usage string) {
  56  	CommandLine.VarP(newUint16Value(value, p), name, "", usage)
  57  }
  58  
  59  // Uint16VarP is like Uint16Var, but accepts a shorthand letter that can be used after a single dash.
  60  func Uint16VarP(p *uint16, name, shorthand string, value uint16, usage string) {
  61  	CommandLine.VarP(newUint16Value(value, p), name, shorthand, usage)
  62  }
  63  
  64  // Uint16 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) Uint16(name string, value uint16, usage string) *uint16 {
  67  	p := new(uint16)
  68  	f.Uint16VarP(p, name, "", value, usage)
  69  	return p
  70  }
  71  
  72  // Uint16P is like Uint16, but accepts a shorthand letter that can be used after a single dash.
  73  func (f *FlagSet) Uint16P(name, shorthand string, value uint16, usage string) *uint16 {
  74  	p := new(uint16)
  75  	f.Uint16VarP(p, name, shorthand, value, usage)
  76  	return p
  77  }
  78  
  79  // Uint16 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 Uint16(name string, value uint16, usage string) *uint16 {
  82  	return CommandLine.Uint16P(name, "", value, usage)
  83  }
  84  
  85  // Uint16P is like Uint16, but accepts a shorthand letter that can be used after a single dash.
  86  func Uint16P(name, shorthand string, value uint16, usage string) *uint16 {
  87  	return CommandLine.Uint16P(name, shorthand, value, usage)
  88  }
  89