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path: root/ber/obj.go
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package ber

type Obj []int

func base128(n int) (b []byte) {
	if n == 0 {
		return []byte{0}
	}
	l := 0
	for i := n; i > 0; i >>= 7 {
		l++
	}
	for i := l - 1; i >= 0; i-- {
		o := byte(n >> uint(i*7))
		o &= 0x7F
		if i != 0 {
			o |= 0x80
		}
		b = append(b, o)
	}
	return
}

func debase128(b []byte) int {
	return 0
}

func marshalObj(obj Obj) (b []byte) {
	if len(obj) < 2 || obj[0] > 2 {
		return []byte{}
	}
	if obj[0] < 2 && obj[1] > 39 {
		return []byte{}
	}
	first := obj[0]*40 + obj[1]
	b = append(b, base128(first)...)
	for _, o := range obj[2:] {
		b = append(b, base128(o)...)
	}
	return b
}

func unmarshalObj(b []byte) Obj {
	return Obj{}
}