containerd/remotes/hints.go

32 lines
708 B
Go

package remotes
import "strings"
// HintExists returns true if a hint of the provided kind and values exists in
// the set of provided hints.
func HintExists(kind, value string, hints ...string) bool {
for _, hint := range hints {
if strings.HasPrefix(hint, kind) && strings.HasSuffix(hint, value) {
return true
}
}
return false
}
// HintValues returns a slice of the values of the hints that match kind.
func HintValues(kind string, hints ...string) []string {
var values []string
for _, hint := range hints {
if strings.HasPrefix(hint, kind) {
parts := strings.SplitN(hint, ":", 2)
if len(parts) < 2 {
continue
}
values = append(values, parts[1])
}
}
return values
}