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30 lines
781 B
Go
30 lines
781 B
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package metainfo
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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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// TODO commented until we will decide if we will support direction for objects listing
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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, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f, 0x7f)
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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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