51 lines
900 B
Go
51 lines
900 B
Go
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package multiaddr
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import(
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"fmt"
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"strings"
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)
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func StringToBytes(s string) ([]byte, error) {
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b := []byte{}
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sp := strings.Split(s, "/")
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// consume first empty elem
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sp = sp[1:]
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for ; len(sp) > 0 ; {
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p := ProtocolWithName(sp[0])
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if p == nil {
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return nil, fmt.Errorf("no protocol with name %s", sp[0])
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}
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b = append(b, byte(p.Code))
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a := AddressStringToBytes(p, sp[1])
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b = append(b, a...)
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sp = sp[2:]
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}
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return b, nil
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}
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func BytesToString(b []byte) (string, error) {
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s := ""
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for ; len(b) > 0 ; {
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p := ProtocolWithCode(int(b[0]))
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if p == nil {
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return "", fmt.Errorf("no protocol with code %d", b[0])
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}
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s = strings.Join([]string{s, "/", p.Name}, "")
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b = b[1:]
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a := AddressBytesToString(p, b)
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if len(a) > 0 {
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s = strings.Join([]string{s, "/", a}, "")
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}
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b = b[(p.Size / 8):]
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}
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return s, nil
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}
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