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src/xml_opr.cpp

@@ -1,4 +1,7 @@
 #include "xml_opr.h"
+#include <filesystem>
+
+namespace fs = std::filesystem;
 
 CXmlOpr::CXmlOpr() = default;
 CXmlOpr::~CXmlOpr() = default;
@@ -12,11 +15,35 @@ bool CXmlOpr::open(const std::string& xml_path)
     return true;
 }
 
+bool CXmlOpr::backup_file(const std::string& desti_folder, const std::string& time)
+{
+    if (!fs::exists(xml_path_)) {
+        return false;
+    }
+    if (!fs::exists(desti_folder)) {
+        fs::create_directories(desti_folder);
+    }
+    fs::path file_path = fs::path(xml_path_);
+    fs::path des = fs::path(desti_folder).append(file_path.stem().string() + "_" + time + ".xml");
+    return fs::copy_file(xml_path_, des);
+}
+
 void CXmlOpr::set_baseinfo(const OprBase& base)
 {
     opr_base_ = base;
 }
 
+bool CXmlOpr::get_all_elements(std::vector<Element_t*>& vec)
+{
+    vec.clear();
+    Element_t* purpose_node = parent_node_->FirstChildElement(opr_base_.the_node.c_str());
+    while (purpose_node) {
+        vec.push_back(purpose_node);
+        purpose_node = purpose_node->NextSiblingElement();
+    }
+    return true;
+}
+
 bool CXmlOpr::parse_xml(std::vector<tinyxml2::XMLElement*>& vec)
 {
     std::string next_node{};
@@ -43,12 +70,7 @@ bool CXmlOpr::parse_xml(std::vector<tinyxml2::XMLElement*>& vec)
             parent_node_ = parent_node_->FirstChildElement(item.c_str());
         }
     }
-    vec.clear();
-    Element_t* purpose_node = parent_node_->FirstChildElement(opr_base_.the_node.c_str());
-    while (purpose_node) {
-        vec.push_back(purpose_node);
-        purpose_node = purpose_node->NextSiblingElement();
-    }
+    get_all_elements(vec);
     return true;
 }
 
@@ -159,6 +181,7 @@ bool CXmlOpr::import_newer_data(const std::vector<std::string>& vec, std::size_t
     if (last_item == nullptr) {
         return false;
     }
+    // 检查重复性
     for (const auto& data : vec) {
         tinyxml2::XMLDocument doc;
         doc.Parse(data.c_str());
@@ -166,6 +189,10 @@ bool CXmlOpr::import_newer_data(const std::vector<std::string>& vec, std::size_t
         if (item == nullptr) {
             continue;
         }
+        const char* key_str = item->Attribute(keys_[0].c_str());
+        if (check_key_exists(std::string(key_str))) {
+            continue;
+        }
         ++success_count;
         auto* nitem = copy_element(item);
         insert_brother_node(last_item, nitem);
@@ -183,10 +210,18 @@ bool CXmlOpr::check_key_exists(const Property_t& property)
     if (keys_.size() < 1 || property.size() < 1) {
         return false;
     }
+    return check_key_exists(property[0].key);
+}
+
+bool CXmlOpr::check_key_exists(const std::string& key)
+{
+    if (keys_.size() < 1 || key.empty()) {
+        return false;
+    }
     Element_t* purpose_node = parent_node_->FirstChildElement(opr_base_.the_node.c_str());
     while (purpose_node) {
         const char* value = purpose_node->Attribute(keys_[0].c_str());
-        if (property[0].value == std::string(value)) {
+        if (key == std::string(value)) {
             return true;
         }
         purpose_node = purpose_node->NextSiblingElement();