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package cpe
//go:generate stringer -linecomment -type=Part
import (
"fmt"
)
// CPE part
type Part byte
const (
ApplicationPart Part = 'a' // a
OperatingSystemPart Part = 'o' // o
HardwarePart Part = 'h' // h
AnyPart Part = '*' // *
NAPart Part = '-' // -
)
// create new part from token
func newPart(t token) (Part, error) {
switch t.Type {
case anyToken:
return AnyPart, nil
case naToken:
return NAPart, nil
case valToken:
switch t.Val {
case "a":
return ApplicationPart, nil
case "o":
return OperatingSystemPart, nil
case "h":
return HardwarePart, nil
default:
return 0, fmt.Errorf("unknown part: \"%s\"", t.Val)
}
default:
return 0, fmt.Errorf("unknown token type: 0x%02x", byte(t.Type))
}
}
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