Implemented basic XML support

CMakeLists.txt

@@ -6,8 +6,12 @@ set(CMAKE_CXX_STANDARD 20)
 add_executable(${CMAKE_PROJECT_NAME}
         src/main.cpp
         src/AtmAdmin.cpp
-        src/XmlHandling.cpp
-        libs/XmlHandling.h)
+        src/XMLStorage.cpp
+)
+
+file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/src/data
+        DESTINATION ${CMAKE_CURRENT_BINARY_DIR}
+)
 
 find_package(pugixml CONFIG REQUIRED)
 target_include_directories(${CMAKE_PROJECT_NAME} PRIVATE libs)

libs/AtmAdmin.h

@@ -6,6 +6,7 @@
 namespace AtmAdmin {
     // startup() is inline because of how small it is.
     char startup();
+    void handleInvalidArguments(int argc);
     bool handleUserInformation(char choice, std::string& information);
     std::string changeAccountPin();
     std::string changeAccountName();

libs/XMLStorage.h

@@ -0,0 +1,39 @@
+//
+// Created by skygrow on 5/14/25.
+//
+
+#ifndef XMLSTORAGE_H
+#define XMLSTORAGE_H
+
+#include "pugixml.hpp"
+
+namespace AtmAdmin {
+    class XMLStorage {
+    public:
+        explicit XMLStorage (const std::string& search) : m_search(search) {
+            initXMLDoc();
+
+            pugi::xml_node accountData {(getXMLUserData(search))};
+
+            this->name  ={accountData.child_value("name") };
+            this->pin   ={std::stoi(accountData.child_value("pin"))  };
+        }
+
+        void initXMLDoc ();
+        pugi::xml_node getXMLUserData (const std::string& toSearch);
+
+        std::string name{};
+        int pin{};
+
+        // ~XMLStorage() {
+        //     updateXMLData(m_search);
+        // }
+
+    private:
+        // void updateXMLData (const std::string& toSearch); // Is currently unused.
+        pugi::xml_document m_doc;
+        const std::string m_search;
+    };
+}
+
+#endif //XMLSTORAGE_H

libs/XmlHandling.h

@@ -1,8 +0,0 @@
-//
-// Created by theskywinds on 11-06-25.
-//
-
-#ifndef XMLHANDLING_H
-#define XMLHANDLING_H
-
-#endif //XMLHANDLING_H

src/AtmAdmin.cpp

@@ -14,6 +14,21 @@ namespace AtmAdmin {
         MONEY,
     };
 
+    void handleInvalidArguments(int argc) {
+        if (argc != 2) {
+            std::cerr << "Invalid number of arguments: " << argc - 1 << '\n';
+
+            if (argc < 2) {
+                std::cerr << "The ability to make new accounts is not implemented." << '\n';
+                std::cerr << "Please put in a pre-existing name." << std::endl;
+            }
+            else
+                std::cerr << "Too many arguments." << std::endl;
+
+            exit (EXIT_FAILURE);
+        }
+    }
+
     // Allows the user to double-check their inputted information.
     // It also saves and applies the information if the user accepts it.
     void confirmUserInformation (std::string& information, const std::string& tempInformation, const Choice choice) {

src/XMLStorage.cpp

@@ -0,0 +1,34 @@
+#include <iomanip>
+#include <iostream>
+
+#include "../libs/XMLStorage.h"
+#include "pugixml.hpp"
+
+namespace AtmAdmin {
+    void XMLStorage::initXMLDoc () {
+        pugi::xml_parse_result res = m_doc.load_file("./data/users.xml");
+
+        if (!res) {
+            std::cerr << "Error occurred: " << res.description();
+            exit(EXIT_FAILURE);
+        }
+    }
+
+    // getXMLData retrieves the data required by XMLStorage.
+    pugi::xml_node XMLStorage::getXMLUserData (const std::string& toSearch) {
+        pugi::xml_node data = m_doc.first_child().child("accounts").find_child_by_attribute("account", "owner", toSearch.c_str());
+
+        if (data.empty()) {
+            std::cerr << "Account not found, exiting.";
+            std::cout << data.name();
+            exit(EXIT_FAILURE);
+        }
+
+        return data;
+    }
+
+    // void XMLStorage::updateXMLData (const std::string& toSearch) {
+    //     // TODO: FILL WITH CODE THAT UPDATES DATABASE
+    // }
+}
+

src/XmlHandling.cpp

@@ -1,7 +0,0 @@
-//
-// Created by theskywinds on 11-06-25.
-//
-
-#include "../libs/XmlHandling.h"
-
-

src/main.cpp

@@ -1,6 +1,7 @@
 #include <iostream>
 #include <cctype>
 #include "AtmAdmin.h"
+#include "XMLStorage.h"
 
 char startup() {
     char choice{};
@@ -12,7 +13,10 @@ char startup() {
     return choice;
 }
 
-int main() {
+int main(int argc, [[maybe_unused]] char** argv) {
+    AtmAdmin::handleInvalidArguments(argc);
+
+    AtmAdmin::XMLStorage mainStorage{argv[1]};
     bool continueLoop{true};
 
     while (continueLoop) {