Allow chaining multipaths using the dot

gjson.go

@@ -731,8 +731,13 @@ func parseArrayPath(path string) (r arrayPathResult) {
 		}
 		if path[i] == '.' {
 			r.part = path[:i]
+			if !r.arrch && i < len(path)-1 && isDotPiperChar(path[i+1]) {
+				r.pipe = path[i+1:]
+				r.piped = true
+			} else {
 				r.path = path[i+1:]
 				r.more = true
+			}
 			return
 		}
 		if path[i] == '#' {
@@ -978,6 +983,11 @@ right:
 	return s
 }
 
+// peek at the next byte and see if it's a '@', '[', or '{'.
+func isDotPiperChar(c byte) bool {
+	return !DisableModifiers && (c == '@' || c == '[' || c == '{')
+}
+
 type objectPathResult struct {
 	part  string
 	path  string
@@ -996,12 +1006,8 @@ func parseObjectPath(path string) (r objectPathResult) {
 			return
 		}
 		if path[i] == '.' {
-			// peek at the next byte and see if it's a '@', '[', or '{'.
 			r.part = path[:i]
-			if !DisableModifiers &&
+			if i < len(path)-1 && isDotPiperChar(path[i+1]) {
-				i < len(path)-1 &&
-				(path[i+1] == '@' ||
-					path[i+1] == '[' || path[i+1] == '{') {
 				r.pipe = path[i+1:]
 				r.piped = true
 			} else {
@@ -1031,14 +1037,11 @@ func parseObjectPath(path string) (r objectPathResult) {
 						continue
 					} else if path[i] == '.' {
 						r.part = string(epart)
-						// peek at the next byte and see if it's a '@' modifier
+						if i < len(path)-1 && isDotPiperChar(path[i+1]) {
-						if !DisableModifiers &&
-							i < len(path)-1 && path[i+1] == '@' {
 							r.pipe = path[i+1:]
 							r.piped = true
 						} else {
 							r.path = path[i+1:]
-							r.more = true
 						}
 						r.more = true
 						return

gjson_test.go

@@ -2204,3 +2204,21 @@ func TestVariousFuzz(t *testing.T) {
 	Get(testJSON, testJSON)
 
 }
+
+func TestSubpathsWithMultipaths(t *testing.T) {
+	const json = `
+[
+  {"a": 1},
+  {"a": 2, "values": ["a", "b", "c", "d", "e"]},
+  true,
+  ["a", "b", "c", "d", "e"],
+  4
+]
+`
+	assert(t, Get(json, `1.values.@ugly`).Raw == `["a","b","c","d","e"]`)
+	assert(t, Get(json, `1.values.[0,3]`).Raw == `["a","d"]`)
+	assert(t, Get(json, `3.@ugly`).Raw == `["a","b","c","d","e"]`)
+	assert(t, Get(json, `3.[0,3]`).Raw == `["a","d"]`)
+	assert(t, Get(json, `#.@ugly`).Raw == `[{"a":1},{"a":2,"values":["a","b","c","d","e"]},true,["a","b","c","d","e"],4]`)
+	assert(t, Get(json, `#.[0,3]`).Raw == `[[],[],[],["a","d"],[]]`)
+}