89 lines
3.0 KiB
Go
89 lines
3.0 KiB
Go
package pflag
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import "strconv"
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// -- uint32 value
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type uint32Value uint32
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func newUint32Value(val uint32, p *uint32) *uint32Value {
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*p = val
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return (*uint32Value)(p)
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}
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func (i *uint32Value) Set(s string) error {
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v, err := strconv.ParseUint(s, 0, 32)
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*i = uint32Value(v)
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return err
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}
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func (i *uint32Value) Type() string {
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return "uint32"
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}
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func (i *uint32Value) String() string { return strconv.FormatUint(uint64(*i), 10) }
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func uint32Conv(sval string) (interface{}, error) {
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v, err := strconv.ParseUint(sval, 0, 32)
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if err != nil {
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return 0, err
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}
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return uint32(v), nil
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}
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// GetUint32 return the uint32 value of a flag with the given name
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func (f *FlagSet) GetUint32(name string) (uint32, error) {
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val, err := f.getFlagType(name, "uint32", uint32Conv)
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if err != nil {
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return 0, err
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}
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return val.(uint32), nil
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}
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// Uint32Var defines a uint32 flag with specified name, default value, and usage string.
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// The argument p points to a uint32 variable in which to store the value of the flag.
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func (f *FlagSet) Uint32Var(p *uint32, name string, value uint32, usage string) {
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f.VarP(newUint32Value(value, p), name, "", usage)
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}
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// Uint32VarP is like Uint32Var, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) Uint32VarP(p *uint32, name, shorthand string, value uint32, usage string) {
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f.VarP(newUint32Value(value, p), name, shorthand, usage)
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}
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// Uint32Var defines a uint32 flag with specified name, default value, and usage string.
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// The argument p points to a uint32 variable in which to store the value of the flag.
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func Uint32Var(p *uint32, name string, value uint32, usage string) {
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CommandLine.VarP(newUint32Value(value, p), name, "", usage)
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}
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// Uint32VarP is like Uint32Var, but accepts a shorthand letter that can be used after a single dash.
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func Uint32VarP(p *uint32, name, shorthand string, value uint32, usage string) {
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CommandLine.VarP(newUint32Value(value, p), name, shorthand, usage)
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}
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// Uint32 defines a uint32 flag with specified name, default value, and usage string.
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// The return value is the address of a uint32 variable that stores the value of the flag.
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func (f *FlagSet) Uint32(name string, value uint32, usage string) *uint32 {
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p := new(uint32)
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f.Uint32VarP(p, name, "", value, usage)
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return p
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}
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// Uint32P is like Uint32, but accepts a shorthand letter that can be used after a single dash.
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func (f *FlagSet) Uint32P(name, shorthand string, value uint32, usage string) *uint32 {
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p := new(uint32)
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f.Uint32VarP(p, name, shorthand, value, usage)
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return p
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}
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// Uint32 defines a uint32 flag with specified name, default value, and usage string.
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// The return value is the address of a uint32 variable that stores the value of the flag.
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func Uint32(name string, value uint32, usage string) *uint32 {
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return CommandLine.Uint32P(name, "", value, usage)
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}
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// Uint32P is like Uint32, but accepts a shorthand letter that can be used after a single dash.
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func Uint32P(name, shorthand string, value uint32, usage string) *uint32 {
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return CommandLine.Uint32P(name, shorthand, value, usage)
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}
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