Merge PR #132

Author: zhengchun

node.go

@@ -50,7 +50,8 @@ type Node struct {
 	NamespaceURI string
 	Attr         []Attr
 
-	level int // node level in the tree
+	level      int // node level in the tree
+	LineNumber int // line number where this node appears in the source XML
 }
 
 type outputConfiguration struct {
@@ -122,6 +123,11 @@ func (n *Node) Level() int {
 	return n.level
 }
 
+// GetLineNumber returns the line number where this node appears in the source XML.
+func (n *Node) GetLineNumber() int {
+	return n.LineNumber
+}
+
 // InnerText returns the text between the start and end tags of the object.
 func (n *Node) InnerText() string {
 	var output func(*strings.Builder, *Node)

options.go

@@ -6,7 +6,8 @@ import (
 )
 
 type ParserOptions struct {
-	Decoder *DecoderOptions
+	Decoder         *DecoderOptions
+	WithLineNumbers bool
 }
 
 func (options ParserOptions) apply(parser *parser) {