92 lines
1.6 KiB
Go
92 lines
1.6 KiB
Go
package integer
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import (
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"strconv"
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"strings"
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"github.com/indra-labs/indra/pkg/opts/config"
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"github.com/indra-labs/indra/pkg/opts/meta"
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"github.com/indra-labs/indra/pkg/path"
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"go.uber.org/atomic"
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)
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type Opt struct {
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p path.Path
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m meta.Metadata
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v atomic.Int64
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h []Hook
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}
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func (o *Opt) Path() (p path.Path) { return o.p }
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func (o *Opt) SetPath(p path.Path) { o.p = p }
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var _ config.Option = &Opt{}
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type Hook func(*Opt) error
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func New(m meta.Data, h ...Hook) (o *Opt) {
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o = &Opt{m: meta.New(m, meta.Integer), h: h}
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_ = o.FromString(m.Default)
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return
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}
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func (o *Opt) Meta() meta.Metadata { return o.m }
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func (o *Opt) Type() meta.Type { return o.m.Typ }
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func (o *Opt) ToOption() config.Option { return o }
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func (o *Opt) RunHooks() (e error) {
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for i := range o.h {
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e = o.h[i](o)
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if e != nil {
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return
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}
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}
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return
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}
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func (o *Opt) FromValue(v int64) *Opt {
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o.v.Store(v)
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return o
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}
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func (o *Opt) FromString(s string) (e error) {
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s = strings.TrimSpace(s)
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var p int64
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p, e = strconv.ParseInt(s, 10, 64)
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if e != nil {
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return e
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}
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o.v.Store(p)
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e = o.RunHooks()
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return
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}
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func (o *Opt) String() (s string) {
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return strconv.FormatInt(o.v.Load(), 10)
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}
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func (o *Opt) Expanded() (s string) { return o.String() }
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func (o *Opt) SetExpanded(s string) {
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err := o.FromString(s)
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log.E.Chk(err)
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}
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func (o *Opt) Value() (c config.Concrete) {
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c = config.NewConcrete()
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c.Integer = func() int64 { return o.v.Load() }
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return
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}
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func Clamp(o *Opt, min, max int64) func(*Opt) {
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return func(o *Opt) {
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v := o.v.Load()
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if v < min {
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o.v.Store(min)
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} else if v > max {
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o.v.Store(max)
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}
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}
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}
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