1 files changed, 62 insertions, 4 deletions

diff --git a/vendor/github.com/bytedance/sonic/ast/search.go b/vendor/github.com/bytedance/sonic/ast/search.go
index 7108e7ea6..a8d1e76f6 100644
--- a/vendor/github.com/bytedance/sonic/ast/search.go
+++ b/vendor/github.com/bytedance/sonic/ast/search.go
@@ -36,7 +36,7 @@ func NewSearcher(str string) *Searcher {
 
 // GetByPathCopy search in depth from top json and returns a **Copied** json node at the path location
 func (self *Searcher) GetByPathCopy(path ...interface{}) (Node, error) {
-    return self.getByPath(true, path...)
+    return self.getByPath(true, true, path...)
 }
 
 // GetByPathNoCopy search in depth from top json and returns a **Referenced** json node at the path location
@@ -44,15 +44,15 @@ func (self *Searcher) GetByPathCopy(path ...interface{}) (Node, error) {
 // WARN: this search directly refer partial json from top json, which has faster speed,
 // may consumes more memory.
 func (self *Searcher) GetByPath(path ...interface{}) (Node, error) {
-    return self.getByPath(false, path...)
+    return self.getByPath(false, true, path...)
 }
 
-func (self *Searcher) getByPath(copystring bool, path ...interface{}) (Node, error) {
+func (self *Searcher) getByPath(copystring bool, validate bool, path ...interface{}) (Node, error) {
     var err types.ParsingError
     var start int
 
     self.parser.p = 0
-    start, err = self.parser.getByPath(path...)
+    start, err = self.parser.getByPath(validate, path...)
     if err != 0 {
         // for compatibility with old version
         if err == types.ERR_NOT_FOUND {
@@ -78,3 +78,61 @@ func (self *Searcher) getByPath(copystring bool, path ...interface{}) (Node, err
     }
     return newRawNode(raw, t), nil
 }
+
+// GetByPath searches a path and returns relaction and types of target
+func _GetByPath(src string, path ...interface{}) (start int, end int, typ int, err error) {
+	p := NewParserObj(src)
+	s, e := p.getByPath(false, path...)
+	if e != 0 {
+		// for compatibility with old version
+		if e == types.ERR_NOT_FOUND {
+			return -1, -1, 0, ErrNotExist
+		}
+		if e == types.ERR_UNSUPPORT_TYPE {
+			panic("path must be either int(>=0) or string")
+		}
+		return -1, -1, 0, p.syntaxError(e)
+	}
+
+	t := switchRawType(p.s[s])
+	if t == _V_NONE {
+		return -1, -1, 0, ErrNotExist
+	}
+    if t == _V_NUMBER {
+        p.p = 1 + backward(p.s, p.p-1)
+    }
+	return s, p.p, int(t), nil
+}
+
+// ValidSyntax check if a json has a valid JSON syntax,
+// while not validate UTF-8 charset
+func _ValidSyntax(json string) bool {
+	p := NewParserObj(json)
+    _, e := p.skip()
+	if e != 0 {
+        return false
+    }
+   if skipBlank(p.s, p.p) != -int(types.ERR_EOF) {
+        return false
+   }
+   return true
+}
+
+// SkipFast skip a json value in fast-skip algs, 
+// while not strictly validate JSON syntax and UTF-8 charset.
+func _SkipFast(src string, i int) (int, int, error) {
+    p := NewParserObj(src)
+    p.p = i
+    s, e := p.skipFast()
+    if e != 0 {
+        return -1, -1, p.ExportError(e)
+    }
+    t := switchRawType(p.s[s])
+	if t == _V_NONE {
+		return -1, -1, ErrNotExist
+	}
+    if t == _V_NUMBER {
+        p.p = 1 + backward(p.s, p.p-1)
+    }
+    return s, p.p, nil
+}