| 65 | } |
| 66 | |
| 67 | func parseRawParamsString(rawParamStr string) ([]interface{}, int, error) { |
| 68 | if len(rawParamStr) == 0 { |
| 69 | return nil, 0, nil |
| 70 | } |
| 71 | rawParamItems := make([]interface{}, 0) |
| 72 | curRawParam := "" |
| 73 | index := 0 |
| 74 | totalSize := len(rawParamStr) |
| 75 | isEscMode := false |
| 76 | for i := 0; i < totalSize; i++ { |
| 77 | s := string(rawParamStr[i]) |
| 78 | if s == PARAM_ESC_CHAR { |
| 79 | if isEscMode { |
| 80 | isEscMode = false |
| 81 | curRawParam += s |
| 82 | } else { |
| 83 | isEscMode = true |
| 84 | } |
| 85 | continue |
| 86 | } else { |
| 87 | if isEscMode { |
| 88 | isEscMode = false |
| 89 | curRawParam += s |
| 90 | continue |
| 91 | } |
| 92 | } |
| 93 | |
| 94 | switch s { |
| 95 | case PARAM_TYPE_SPLIT: |
| 96 | curRawParam += PARAM_TYPE_SPLIT_INC |
| 97 | case PARAMS_SPLIT: |
| 98 | curRawParam = strings.TrimSpace(curRawParam) |
| 99 | if len(curRawParam) > 0 { |
| 100 | rawParamItems = append(rawParamItems, curRawParam) |
| 101 | curRawParam = "" |
| 102 | } |
| 103 | case PARAM_LEFT_BRACKET: |
| 104 | if index == totalSize-1 { |
| 105 | return rawParamItems, 0, nil |
| 106 | } |
| 107 | //clear current param as invalid input |
| 108 | curRawParam = "" |
| 109 | items, size, err := parseRawParamsString(string(rawParamStr[i+1:])) |
| 110 | if err != nil { |
| 111 | return nil, 0, fmt.Errorf("parse params error:%s", err) |
| 112 | } |
| 113 | if len(items) > 0 { |
| 114 | rawParamItems = append(rawParamItems, items) |
| 115 | } |
| 116 | i += size |
| 117 | case PARAM_RIGHT_BRACKET: |
| 118 | curRawParam = strings.TrimSpace(curRawParam) |
| 119 | if len(curRawParam) > 0 { |
| 120 | rawParamItems = append(rawParamItems, curRawParam) |
| 121 | } |
| 122 | return rawParamItems, i + 1, nil |
| 123 | default: |
| 124 | curRawParam += s |