33 lines
567 B
Go
33 lines
567 B
Go
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package main
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import (
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"encoding/binary"
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"fmt"
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"unicode/utf8"
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)
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// stringify ensures that we can print only valid characters.
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// It's wrong to assume that everything is a string, since BoltDB is typeless.
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func stringify(v []byte) string {
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if utf8.Valid(v) {
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ok := true
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for _, r := range string(v) {
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if r < 0x20 {
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ok = false
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break
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} else if r >= 0x7f && r <= 0x9f {
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ok = false
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break
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}
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}
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if ok {
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return string(v)
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}
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}
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if len(v) == 8 {
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return fmt.Sprintf("%v", binary.BigEndian.Uint64(v))
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}
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return fmt.Sprintf("%x", v)
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}
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