Merge pull request #16 from bmeg/root-array

oliveagle · web-flow · commit 1338aad1eb77 · 2018-06-06T19:02:13.000+08:00
Allowing root array access ($[0])
diff --git a/jsonpath.go b/jsonpath.go
@@ -79,9 +79,11 @@ 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
`@@ -79,9 +79,11 @@ func (c *Compiled) Lookup(obj interface{}) (interface{}, error) {`
`79`	`79`	`}`
`80`	`80`	`case "idx":`
`81`	`81`	`//fmt.Println("idx ----------------1")`
`82`		`- obj, err = get_key(obj, s.key)`
`83`		`- if err != nil {`
`84`		`- return nil, err`
	`82`	`+ if len(s.key) > 0 {`
	`83`	`+ obj, err = get_key(obj, s.key)`
	`84`	`+ if err != nil {`
	`85`	`+ return nil, err`
	`86`	`+ }`
`85`	`87`	`}`
`86`	`88`
`87`	`89`	`if len(s.args.([]int)) > 1 {`