90 lines
3 KiB
Go
90 lines
3 KiB
Go
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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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// -- uint16 value
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type uint16Value uint16
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func newUint16Value(val uint16, p *uint16) *uint16Value {
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*p = val
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return (*uint16Value)(p)
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}
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func (i *uint16Value) String() string { return fmt.Sprintf("%d", *i) }
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func (i *uint16Value) Set(s string) error {
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v, err := strconv.ParseUint(s, 0, 16)
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*i = uint16Value(v)
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return err
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}
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func (i *uint16Value) Type() string {
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return "uint16"
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}
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func uint16Conv(sval string) (interface{}, error) {
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v, err := strconv.ParseUint(sval, 0, 16)
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if err != nil {
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return 0, err
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}
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return uint16(v), nil
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}
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// GetUint16 return the uint16 value of a flag with the given name
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func (f *FlagSet) GetUint16(name string) (uint16, error) {
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val, err := f.getFlagType(name, "uint16", uint16Conv)
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if err != nil {
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return 0, err
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}
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return val.(uint16), nil
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}
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// Uint16Var 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) Uint16Var(p *uint16, name string, value uint16, usage string) {
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f.VarP(newUint16Value(value, p), name, "", usage)
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}
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// Uint16VarP is like Uint16Var, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) Uint16VarP(p *uint16, name, shorthand string, value uint16, usage string) {
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f.VarP(newUint16Value(value, p), name, shorthand, usage)
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}
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// Uint16Var 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 Uint16Var(p *uint16, name string, value uint16, usage string) {
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CommandLine.VarP(newUint16Value(value, p), name, "", usage)
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}
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// Uint16VarP is like Uint16Var, but accepts a shorthand letter that can be used after a single dash.
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func Uint16VarP(p *uint16, name, shorthand string, value uint16, usage string) {
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CommandLine.VarP(newUint16Value(value, p), name, shorthand, usage)
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}
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// Uint16 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) Uint16(name string, value uint16, usage string) *uint16 {
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p := new(uint16)
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f.Uint16VarP(p, name, "", value, usage)
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return p
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}
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// Uint16P is like Uint16, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) Uint16P(name, shorthand string, value uint16, usage string) *uint16 {
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p := new(uint16)
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f.Uint16VarP(p, name, shorthand, value, usage)
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return p
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}
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// Uint16 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 Uint16(name string, value uint16, usage string) *uint16 {
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return CommandLine.Uint16P(name, "", value, usage)
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}
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// Uint16P is like Uint16, but accepts a shorthand letter that can be used after a single dash.
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func Uint16P(name, shorthand string, value uint16, usage string) *uint16 {
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return CommandLine.Uint16P(name, shorthand, value, usage)
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}
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