89 lines
2.9 KiB
Go
89 lines
2.9 KiB
Go
package pflag
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import "strconv"
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// -- uint8 Value
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type uint8Value uint8
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func newUint8Value(val uint8, p *uint8) *uint8Value {
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*p = val
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return (*uint8Value)(p)
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}
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func (i *uint8Value) Set(s string) error {
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v, err := strconv.ParseUint(s, 0, 8)
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*i = uint8Value(v)
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return err
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}
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func (i *uint8Value) Type() string {
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return "uint8"
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}
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func (i *uint8Value) String() string { return strconv.FormatUint(uint64(*i), 10) }
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func uint8Conv(sval string) (interface{}, error) {
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v, err := strconv.ParseUint(sval, 0, 8)
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if err != nil {
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return 0, err
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}
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return uint8(v), nil
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}
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// GetUint8 return the uint8 value of a flag with the given name
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func (f *FlagSet) GetUint8(name string) (uint8, error) {
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val, err := f.getFlagType(name, "uint8", uint8Conv)
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if err != nil {
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return 0, err
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}
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return val.(uint8), nil
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}
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// Uint8Var defines a uint8 flag with specified name, default value, and usage string.
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// The argument p points to a uint8 variable in which to store the value of the flag.
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func (f *FlagSet) Uint8Var(p *uint8, name string, value uint8, usage string) {
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f.VarP(newUint8Value(value, p), name, "", usage)
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}
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// Uint8VarP is like Uint8Var, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) Uint8VarP(p *uint8, name, shorthand string, value uint8, usage string) {
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f.VarP(newUint8Value(value, p), name, shorthand, usage)
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}
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// Uint8Var defines a uint8 flag with specified name, default value, and usage string.
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// The argument p points to a uint8 variable in which to store the value of the flag.
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func Uint8Var(p *uint8, name string, value uint8, usage string) {
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CommandLine.VarP(newUint8Value(value, p), name, "", usage)
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}
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// Uint8VarP is like Uint8Var, but accepts a shorthand letter that can be used after a single dash.
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func Uint8VarP(p *uint8, name, shorthand string, value uint8, usage string) {
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CommandLine.VarP(newUint8Value(value, p), name, shorthand, usage)
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}
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// Uint8 defines a uint8 flag with specified name, default value, and usage string.
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// The return value is the address of a uint8 variable that stores the value of the flag.
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func (f *FlagSet) Uint8(name string, value uint8, usage string) *uint8 {
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p := new(uint8)
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f.Uint8VarP(p, name, "", value, usage)
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return p
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}
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// Uint8P is like Uint8, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) Uint8P(name, shorthand string, value uint8, usage string) *uint8 {
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p := new(uint8)
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f.Uint8VarP(p, name, shorthand, value, usage)
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return p
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}
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// Uint8 defines a uint8 flag with specified name, default value, and usage string.
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// The return value is the address of a uint8 variable that stores the value of the flag.
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func Uint8(name string, value uint8, usage string) *uint8 {
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return CommandLine.Uint8P(name, "", value, usage)
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}
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// Uint8P is like Uint8, but accepts a shorthand letter that can be used after a single dash.
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func Uint8P(name, shorthand string, value uint8, usage string) *uint8 {
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return CommandLine.Uint8P(name, shorthand, value, usage)
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}
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