func：基本添加复制功能，无GUI。

src/xml_opr.cpp

@@ -21,7 +21,6 @@ bool CXmlOpr::parse_xml(std::vector<tinyxml2::XMLElement*>& vec)
 {
     std::string next_node{};
     std::string node_path = opr_base_.node_path;
-    tinyxml2::XMLElement* node = nullptr;
 
     auto nodes = splitString(opr_base_.node_path, "/");
     for (const auto& item : nodes) {
@@ -30,15 +29,15 @@ bool CXmlOpr::parse_xml(std::vector<tinyxml2::XMLElement*>& vec)
             continue;
         }
 
-        if (node == nullptr) {
-            node = doc_.FirstChildElement(item.c_str());
+        if (parent_node_ == nullptr) {
+            parent_node_ = doc_.FirstChildElement(item.c_str());
         }
         else {
-            node = node->FirstChildElement(item.c_str());
+            parent_node_ = parent_node_->FirstChildElement(item.c_str());
         }
     }
     vec.clear();
-    tinyxml2::XMLElement* purpose_node = node->FirstChildElement(opr_base_.the_node.c_str());
+    element* purpose_node = parent_node_->FirstChildElement(opr_base_.the_node.c_str());
     while (purpose_node)
     {
         vec.push_back(purpose_node);
@@ -47,6 +46,28 @@ bool CXmlOpr::parse_xml(std::vector<tinyxml2::XMLElement*>& vec)
     return true;
 }
 
+void CXmlOpr::insert_brother_node(element* brother, element* newer)
+{
+    if (!brother || !newer) {
+        return;
+    }
+    parent_node_->InsertAfterChild(brother, newer);
+}
+
+element* CXmlOpr::copy_element(element* ele)
+{
+    if (!ele) {
+        return nullptr;
+    }
+    element* ret = doc_.NewElement(ele->Name());
+    const auto* attribute = ele->FirstAttribute();
+    while (attribute) {
+        ret->SetAttribute(attribute->Name(), attribute->Value());
+        attribute = attribute->Next();
+    }
+    return ret;
+}
+
 bool CXmlOpr::save()
 {
     auto ret = doc_.SaveFile(xml_path_.c_str());

src/xml_opr.h

@@ -6,6 +6,7 @@
 #include <vector>
 #include "../public_def.h"
 
+typedef tinyxml2::XMLElement element;
 class CXmlOpr
 {
 public:
@@ -13,15 +14,18 @@ public:
     ~CXmlOpr();
 
 public:
-    bool open(const std::string& xml_path);
-    void set_baseinfo(const OprBase& base);
-    bool parse_xml(std::vector<tinyxml2::XMLElement*>& vec);
-    bool save();
+    bool     open(const std::string& xml_path);
+    void     set_baseinfo(const OprBase& base);
+    bool     parse_xml(std::vector<element*>& vec);
+    void     insert_brother_node(element* brother, element* newer);
+    element* copy_element(element* ele);
+    bool     save();
 
 private:
     tinyxml2::XMLDocument doc_{};
     OprBase               opr_base_{};
     std::string           xml_path_{};
+    element*              parent_node_{};
 };
 
 #endif