Allowing root array access ($[0])

kellrott · kellrott · commit 60423b1ac5a1 · 2018-04-22T23:34:54.000-07:00
diff --git a/jsonpath.go b/jsonpath.go
@@ -71,9 +71,11 @@ func (c *Compiled) Lookup(obj interface{}) (interface{}, error) {
 			}
 		case "idx":
 			//fmt.Println("idx ----------------1")
-			obj, err = get_key(obj, s.key)
-			if err != nil {
-				return nil, err
+			if len(s.key) > 0 {
+				obj, err = get_key(obj, s.key)
+				if err != nil {
+					return nil, err
+				}
 			}
 
 			if len(s.args.([]int)) > 1 {

Original file line number	Diff line number	Diff line change
`@@ -71,9 +71,11 @@ func (c *Compiled) Lookup(obj interface{}) (interface{}, error) {`
`71`	`71`	`}`
`72`	`72`	`case "idx":`
`73`	`73`	`//fmt.Println("idx ----------------1")`
`74`		`- obj, err = get_key(obj, s.key)`
`75`		`- if err != nil {`
`76`		`- return nil, err`
	`74`	`+ if len(s.key) > 0 {`
	`75`	`+ obj, err = get_key(obj, s.key)`
	`76`	`+ if err != nil {`
	`77`	`+ return nil, err`
	`78`	`+ }`
`77`	`79`	`}`
`78`	`80`
`79`	`81`	`if len(s.args.([]int)) > 1 {`