feat: add path() to text (#10)

marudor · Oct 9, 2020 · 7b0af7a · 7b0af7a
1 parent 0bf57d6
commit 7b0af7a
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Showing 3 changed files with 32 additions and 0 deletions.
diff --git a/src/xml_text.cc b/src/xml_text.cc
@@ -17,6 +17,17 @@ namespace libxmljs {
 
 Nan::Persistent<FunctionTemplate> XmlText::constructor_template;
 
+Local<Value> XmlText::get_path() {
+  Nan::EscapableHandleScope scope;
+  xmlChar *path = xmlGetNodePath(xml_obj);
+  const char *return_path = path ? reinterpret_cast<char *>(path) : "";
+  int str_len = xmlStrlen((const xmlChar *)return_path);
+  Local<String> js_obj =
+      Nan::New<String>(return_path, str_len).ToLocalChecked();
+  xmlFree(path);
+  return scope.Escape(js_obj);
+}
+
 // doc, name, content
 NAN_METHOD(XmlText::New) {
   NAN_CONSTRUCTOR_CHECK(Text)
@@ -153,6 +164,14 @@ NAN_METHOD(XmlText::Replace) {
   return info.GetReturnValue().Set(info[0]);
 }
 
+NAN_METHOD(XmlText::Path) {
+  Nan::HandleScope scope;
+  XmlText *text = Nan::ObjectWrap::Unwrap<XmlText>(info.Holder());
+  assert(text);
+
+  return info.GetReturnValue().Set(text->get_path());
+}
+
 void XmlText::set_content(const char *content) {
   xmlChar *encoded =
       xmlEncodeSpecialChars(xml_obj->doc, (const xmlChar *)content);
@@ -265,6 +284,8 @@ void XmlText::Initialize(Local<Object> target) {
 
   Nan::SetPrototypeMethod(tmpl, "text", XmlText::Text);
 
+  Nan::SetPrototypeMethod(tmpl, "path", XmlText::Path);
+
   Nan::SetPrototypeMethod(tmpl, "replace", XmlText::Replace);
 
   Nan::SetPrototypeMethod(tmpl, "addPrevSibling", XmlText::AddPrevSibling);

diff --git a/src/xml_text.h b/src/xml_text.h
@@ -21,6 +21,7 @@ class XmlText : public XmlNode {
   static NAN_METHOD(New);
   static NAN_METHOD(Text);
   static NAN_METHOD(Replace);
+  static NAN_METHOD(Path);
 
   static NAN_METHOD(NextElement);
   static NAN_METHOD(PrevElement);
@@ -30,6 +31,7 @@ class XmlText : public XmlNode {
   v8::Local<v8::Value> get_next_element();
   v8::Local<v8::Value> get_prev_element();
   v8::Local<v8::Value> get_content();
+  v8::Local<v8::Value> get_path();
   void set_content(const char *content);
   void replace_text(const char *content);
   void replace_element(xmlNode *element);

diff --git a/test/xml_parser.test.js b/test/xml_parser.test.js
@@ -112,6 +112,15 @@ describe('xml parser', () => {
     expect(err.code).toBe(errorControl.code);
   });
 
+  it('text path', () => {
+    const xml = '<?xml version="1.0" encoding="utf-8"?><Name>Test</Name>';
+    const doc = libxml.parseXmlString(xml);
+    const text = doc.get('/Name').childNodes()[0];
+
+    expect(text.type()).toEqual('text');
+    expect(text.path()).toEqual('/Name/text()');
+  });
+
   it('parse_options', () => {
     function test_parser_option(input, options, expected) {
       let output = libxml.parseXml(input, options).toString();