55 lines
1.1 KiB
Go
55 lines
1.1 KiB
Go
package cli
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import (
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"strconv"
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)
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type UintFlag = FlagBase[uint64, IntegerConfig, uintValue]
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// -- uint64 Value
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type uintValue struct {
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val *uint64
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base int
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}
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// Below functions are to satisfy the ValueCreator interface
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func (i uintValue) Create(val uint64, p *uint64, c IntegerConfig) Value {
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*p = val
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return &uintValue{
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val: p,
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base: c.Base,
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}
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}
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func (i uintValue) ToString(b uint64) string {
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return strconv.FormatUint(b, 10)
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}
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// Below functions are to satisfy the flag.Value interface
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func (i *uintValue) Set(s string) error {
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v, err := strconv.ParseUint(s, i.base, 64)
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if err != nil {
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return err
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}
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*i.val = v
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return err
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}
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func (i *uintValue) Get() any { return uint64(*i.val) }
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func (i *uintValue) String() string { return strconv.FormatUint(uint64(*i.val), 10) }
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// Uint looks up the value of a local Uint64Flag, returns
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// 0 if not found
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func (cmd *Command) Uint(name string) uint64 {
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if v, ok := cmd.Value(name).(uint64); ok {
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tracef("uint available for flag name %[1]q with value=%[2]v (cmd=%[3]q)", name, v, cmd.Name)
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return v
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}
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tracef("uint NOT available for flag name %[1]q (cmd=%[2]q)", name, cmd.Name)
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return 0
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}
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