mirror of https://github.com/octoleo/restic.git
70 lines
1.1 KiB
Go
70 lines
1.1 KiB
Go
package restic
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import (
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"encoding/hex"
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"fmt"
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)
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// IDs is an ordered list of IDs that implements sort.Interface.
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type IDs []ID
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func (ids IDs) Len() int {
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return len(ids)
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}
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func (ids IDs) Less(i, j int) bool {
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if len(ids[i]) < len(ids[j]) {
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return true
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}
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for k, b := range ids[i] {
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if b == ids[j][k] {
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continue
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}
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if b < ids[j][k] {
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return true
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}
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return false
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}
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return false
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}
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func (ids IDs) Swap(i, j int) {
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ids[i], ids[j] = ids[j], ids[i]
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}
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// Uniq returns list without duplicate IDs. The returned list retains the order
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// of the original list so that the order of the first occurrence of each ID
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// stays the same.
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func (ids IDs) Uniq() (list IDs) {
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seen := NewIDSet()
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for _, id := range ids {
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if seen.Has(id) {
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continue
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}
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list = append(list, id)
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seen.Insert(id)
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}
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return list
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}
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type shortID ID
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func (id shortID) String() string {
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return hex.EncodeToString(id[:shortStr])
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}
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func (ids IDs) String() string {
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elements := make([]shortID, 0, len(ids))
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for _, id := range ids {
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elements = append(elements, shortID(id))
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}
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return fmt.Sprintf("%v", elements)
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}
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