change：格式化xml单元设定一个窗口，可以选择性格式化哪些具体内容。

src/xml_opr.cpp

@@ -262,14 +262,33 @@ bool CXmlOpr::import_newer_data(const std::vector<std::string>& vec,
     }
     return true;
 }
-std::string CXmlOpr::handle_space(const std::string& content)
+std::string CXmlOpr::handle_space(const std::string& content,
+                                  const std::vector<std::string>& keychars)
 {
     std::string result;
     size_t pos = 0;
     size_t len = content.length();
 
+    std::ostringstream oss;
+    for (auto i = size_t(0); i < keychars.size(); ++i) {
+        if (i > 0) {
+            oss << "|";
+        }
+        std::string op(keychars[i]);
+        for (const char& c : op) {
+            if (c == '|' || c == '\\' || c == '(' || c == ')' || c == '[' ||
+                c == ']' || c == '{' || c == '}' || c == '^' || c == '$' ||
+                c == '.' || c == '*' || c == '+' || c == '?' || c == '|' ||
+                c == '\\') {
+                oss << '\\';   // 添加转义字符
+            }
+            oss << c;
+        }
+    }
+
     // Define a regular expression for the operators
-    std::regex operators_regex(R"(&&|!=|==|<|>|\|\||\+|-|\*|/)");
+    // std::regex operators_regex(R"(&&|!=|==|<|>|\|\||\+|-|\*|/)");
+    std::regex operators_regex(oss.str());
 
     while (pos < len) {
         size_t start_quote = content.find('"', pos);
@@ -316,7 +335,8 @@ std::string CXmlOpr::handle_space(const std::string& content)
 
     return result;
 }
-bool CXmlOpr::handle_transfer(const std::string& path)
+bool CXmlOpr::handle_transfer(const std::string& path,
+                              const std::vector<std::string>& keychars)
 {
     std::ifstream file(path);
     if (!file.is_open()) {
@@ -361,13 +381,18 @@ bool CXmlOpr::handle_transfer(const std::string& path)
         pos += 1;   // Move past the replaced character
     }
 
-    // 处理空格格式化
-    std::string sec_handle = handle_space(result);
     std::ofstream ofile(path);
     if (!ofile.is_open()) {
         return false;
     }
-    ofile << sec_handle;
+
+    if (keychars.size() < 1) {
+        ofile << result;
+    } else {
+        // 处理空格格式化
+        std::string sec_handle = handle_space(result, keychars);
+        ofile << sec_handle;
+    }
     return true;
 }
 
@@ -410,7 +435,8 @@ bool CXmlOpr::save()
     return true;
 }
 
-bool CXmlOpr::handle_save(const std::string& path)
+bool CXmlOpr::handle_save(const std::string& path,
+                          const std::vector<std::string>& keychars)
 {
     if (!open(path)) {
         return false;
@@ -419,7 +445,7 @@ bool CXmlOpr::handle_save(const std::string& path)
     if (ret != tinyxml2::XML_SUCCESS) {
         return false;
     }
-    if (!handle_transfer(xml_path_)) {
+    if (!handle_transfer(xml_path_, keychars)) {
         return false;
     }
     return true;