91 lines
2.9 KiB
Go
91 lines
2.9 KiB
Go
package pflag
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import (
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"fmt"
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"strconv"
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)
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// -- uint Value
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type uintValue uint
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func newUintValue(val uint, p *uint) *uintValue {
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*p = val
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return (*uintValue)(p)
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}
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func (i *uintValue) Set(s string) error {
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v, err := strconv.ParseUint(s, 0, 64)
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*i = uintValue(v)
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return err
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}
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func (i *uintValue) Type() string {
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return "uint"
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}
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func (i *uintValue) String() string { return fmt.Sprintf("%v", *i) }
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func uintConv(sval string) (interface{}, error) {
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v, err := strconv.ParseUint(sval, 0, 0)
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if err != nil {
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return 0, err
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}
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return uint(v), nil
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}
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// GetUint return the uint value of a flag with the given name
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func (f *FlagSet) GetUint(name string) (uint, error) {
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val, err := f.getFlagType(name, "uint", uintConv)
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if err != nil {
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return 0, err
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}
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return val.(uint), nil
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}
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// UintVar defines a uint flag with specified name, default value, and usage string.
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// The argument p points to a uint variable in which to store the value of the flag.
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func (f *FlagSet) UintVar(p *uint, name string, value uint, usage string) {
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f.VarP(newUintValue(value, p), name, "", usage)
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}
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// UintVarP is like UintVar, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) UintVarP(p *uint, name, shorthand string, value uint, usage string) {
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f.VarP(newUintValue(value, p), name, shorthand, usage)
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}
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// UintVar defines a uint flag with specified name, default value, and usage string.
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// The argument p points to a uint variable in which to store the value of the flag.
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func UintVar(p *uint, name string, value uint, usage string) {
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CommandLine.VarP(newUintValue(value, p), name, "", usage)
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}
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// UintVarP is like UintVar, but accepts a shorthand letter that can be used after a single dash.
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func UintVarP(p *uint, name, shorthand string, value uint, usage string) {
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CommandLine.VarP(newUintValue(value, p), name, shorthand, usage)
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}
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// Uint defines a uint flag with specified name, default value, and usage string.
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// The return value is the address of a uint variable that stores the value of the flag.
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func (f *FlagSet) Uint(name string, value uint, usage string) *uint {
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p := new(uint)
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f.UintVarP(p, name, "", value, usage)
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return p
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}
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// UintP is like Uint, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) UintP(name, shorthand string, value uint, usage string) *uint {
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p := new(uint)
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f.UintVarP(p, name, shorthand, value, usage)
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return p
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}
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// Uint defines a uint flag with specified name, default value, and usage string.
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// The return value is the address of a uint variable that stores the value of the flag.
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func Uint(name string, value uint, usage string) *uint {
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return CommandLine.UintP(name, "", value, usage)
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}
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// UintP is like Uint, but accepts a shorthand letter that can be used after a single dash.
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func UintP(name, shorthand string, value uint, usage string) *uint {
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return CommandLine.UintP(name, shorthand, value, usage)
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}
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