39 lines
833 B
Go
39 lines
833 B
Go
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// Copyright (C) 2018 Storj Labs, Inc.
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// See LICENSE for copying information.
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package kvmetainfo
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/*
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func bucketPath(bucket string) paths.Path {
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return paths.New(bucket)
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}
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func objectPath(bucket string, path storj.Path) paths.Path {
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return paths.New(path).Prepend(bucket)
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}
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*/
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// TODO: known issue:
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// this is incorrect since there's no good way to get such a path
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// since the exact previous key is
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// append(previousPrefix(cursor), infinite(0xFF)...)
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func keyBefore(cursor string) string {
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if cursor == "" {
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return ""
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}
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before := []byte(cursor)
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if before[len(before)-1] == 0 {
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return string(before[:len(before)-1])
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}
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before[len(before)-1]--
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before = append(before, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF)
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return string(before)
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}
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func keyAfter(cursor string) string {
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return cursor + "\x00"
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}
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