%1.2

main_test.go

@@ -50,13 +50,14 @@ type Predicates struct {
 }
 
 type Node struct {
-	Name  []rune
-	Value []rune
+	Name  []rune // Axis
+	Value []rune // Name(Axis)::Value
 	Next  *Node
 	Sel   Selection
 	Pred  Predicates
 }
 
+// compile 编译
 func compile(spath string) (head *Node, tail *Node) {
 	var path []rune = []rune(strings.TrimSpace(spath))
 	path = append(path, ' ')
@@ -107,6 +108,13 @@ func getAxes(path []rune, limit int, ii *int, cur *Node) {
 		switch c {
 		case '[':
 		case '/':
+		case ':':
+			if path[i+1] == ':' {
+				i++
+
+				return
+			}
+			panic("':' error")
 		case '@': //
 			cur.Sel = SelAttribute
 			cur.Name = getAttributeName(path, limit, ii)
@@ -123,6 +131,9 @@ func getAxes(path []rune, limit int, ii *int, cur *Node) {
 			cur.Value = path[s:e]
 			cur.Sel = SelMethod
 			return
+		case '\\': // 转义
+			i++
+			fallthrough
 		default:
 			cur.Name = append(cur.Name, c)
 		}