| 47 | } |
| 48 | |
| 49 | func jsonPathEval(expression string) expr.EvaluatorFunc { |
| 50 | return func(ctx expr.EvalContext, args []value.Value) (value.Value, bool) { |
| 51 | if args[0] == nil || args[0].Err() || args[0].Nil() { |
| 52 | return nil, false |
| 53 | } |
| 54 | |
| 55 | val := args[0].ToString() |
| 56 | |
| 57 | // Validate that this is valid json? |
| 58 | var data interface{} |
| 59 | if err := json.Unmarshal([]byte(val), &data); err != nil { |
| 60 | return nil, false |
| 61 | } |
| 62 | |
| 63 | result, err := jmespath.Search(expression, data) |
| 64 | if err != nil { |
| 65 | return nil, false |
| 66 | } |
| 67 | return value.NewValue(result), true |
| 68 | } |
| 69 | } |