1package pflag 2 3import "strconv" 4 5// -- int32 Value 6type int32Value int32 7 8func newInt32Value(val int32, p *int32) *int32Value { 9 *p = val 10 return (*int32Value)(p) 11} 12 13func (i *int32Value) Set(s string) error { 14 v, err := strconv.ParseInt(s, 0, 32) 15 *i = int32Value(v) 16 return err 17} 18 19func (i *int32Value) Type() string { 20 return "int32" 21} 22 23func (i *int32Value) String() string { return strconv.FormatInt(int64(*i), 10) } 24 25func int32Conv(sval string) (interface{}, error) { 26 v, err := strconv.ParseInt(sval, 0, 32) 27 if err != nil { 28 return 0, err 29 } 30 return int32(v), nil 31} 32 33// GetInt32 return the int32 value of a flag with the given name 34func (f *FlagSet) GetInt32(name string) (int32, error) { 35 val, err := f.getFlagType(name, "int32", int32Conv) 36 if err != nil { 37 return 0, err 38 } 39 return val.(int32), nil 40} 41 42// Int32Var defines an int32 flag with specified name, default value, and usage string. 43// The argument p points to an int32 variable in which to store the value of the flag. 44func (f *FlagSet) Int32Var(p *int32, name string, value int32, usage string) { 45 f.VarP(newInt32Value(value, p), name, "", usage) 46} 47 48// Int32VarP is like Int32Var, but accepts a shorthand letter that can be used after a single dash. 49func (f *FlagSet) Int32VarP(p *int32, name, shorthand string, value int32, usage string) { 50 f.VarP(newInt32Value(value, p), name, shorthand, usage) 51} 52 53// Int32Var defines an int32 flag with specified name, default value, and usage string. 54// The argument p points to an int32 variable in which to store the value of the flag. 55func Int32Var(p *int32, name string, value int32, usage string) { 56 CommandLine.VarP(newInt32Value(value, p), name, "", usage) 57} 58 59// Int32VarP is like Int32Var, but accepts a shorthand letter that can be used after a single dash. 60func Int32VarP(p *int32, name, shorthand string, value int32, usage string) { 61 CommandLine.VarP(newInt32Value(value, p), name, shorthand, usage) 62} 63 64// Int32 defines an int32 flag with specified name, default value, and usage string. 65// The return value is the address of an int32 variable that stores the value of the flag. 66func (f *FlagSet) Int32(name string, value int32, usage string) *int32 { 67 p := new(int32) 68 f.Int32VarP(p, name, "", value, usage) 69 return p 70} 71 72// Int32P is like Int32, but accepts a shorthand letter that can be used after a single dash. 73func (f *FlagSet) Int32P(name, shorthand string, value int32, usage string) *int32 { 74 p := new(int32) 75 f.Int32VarP(p, name, shorthand, value, usage) 76 return p 77} 78 79// Int32 defines an int32 flag with specified name, default value, and usage string. 80// The return value is the address of an int32 variable that stores the value of the flag. 81func Int32(name string, value int32, usage string) *int32 { 82 return CommandLine.Int32P(name, "", value, usage) 83} 84 85// Int32P is like Int32, but accepts a shorthand letter that can be used after a single dash. 86func Int32P(name, shorthand string, value int32, usage string) *int32 { 87 return CommandLine.Int32P(name, shorthand, value, usage) 88} 89