| 32 | } |
| 33 | |
| 34 | func parseXScanArgs(args []string) (cursor []byte, match string, count int, desc bool, err error) { |
| 35 | cursor = []byte(args[0]) |
| 36 | args = args[1:] |
| 37 | count = 10 |
| 38 | desc = false |
| 39 | for i := 0; i < len(args); { |
| 40 | switch strings.ToUpper(args[i]) { |
| 41 | case "MATCH": |
| 42 | if i+1 >= len(args) { |
| 43 | err = uhaha.ErrInvalid |
| 44 | return |
| 45 | } |
| 46 | match = args[i+1] |
| 47 | i++ |
| 48 | case "COUNT": |
| 49 | if i+1 >= len(args) { |
| 50 | err = uhaha.ErrInvalid |
| 51 | return |
| 52 | } |
| 53 | count, err = strconv.Atoi(args[i+1]) |
| 54 | if err != nil { |
| 55 | err = uhaha.ErrInvalid |
| 56 | return |
| 57 | } |
| 58 | i++ |
| 59 | case "ASC": |
| 60 | desc = false |
| 61 | case "DESC": |
| 62 | desc = true |
| 63 | default: |
| 64 | err = fmt.Errorf("invalid argument %s", args[i]) |
| 65 | return |
| 66 | } |
| 67 | i++ |
| 68 | } |
| 69 | return |
| 70 | } |
| 71 | |
| 72 | func parseScanArgs(args []string) (cursor []byte, match string, count int, desc bool, err error) { |
| 73 | cursor, match, count, desc, err = parseXScanArgs(args) |