HW by Valery Myrzin

QtDemo.pro

@@ -16,11 +16,15 @@ DEFINES += QT_DEPRECATED_WARNINGS
 #DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000    # disables all the APIs deprecated before Qt 6.0.0
 
 SOURCES += \
+    ResizeFunc.cpp \
+    StrcatFunc.cpp \
     User.cpp \
     main.cpp \
     mainwindow.cpp
 
 HEADERS += \
+    ResizeFunc.h \
+    StrcatFunc.h \
     User.h \
     mainwindow.h
 

Resize.h.autosave

@@ -0,0 +1,4 @@
+#ifndef RESIZE_H
+#define RESIZE_H
+char* resize(char* str, unsigned size, unsigned new_size) 
+#endif // RESIZE_H

ResizeFunc.cpp

@@ -0,0 +1,12 @@
+#include "ResizeFunc.h"
+
+char *resizenew(char *str, unsigned size, unsigned new_size) {
+  if (new_size < size)
+    return nullptr;
+  auto *temp = new char[new_size];
+  for (unsigned i = 0; i < size; i++) {
+    temp[i] = str[i];
+  }
+  delete[] str;
+  return temp;
+}

ResizeFunc.h

@@ -0,0 +1,4 @@
+#ifndef RESIZE_H
+#define RESIZE_H
+char *resizenew(char *str, unsigned size, unsigned new_size);
+#endif // RESIZE_H

StrcatFunc.cpp

@@ -0,0 +1,12 @@
+#include "StrcatFunc.h"
+
+void strcatvoid(char *to, const char *from) {
+  while (*to)
+    to++;
+  while (*from) {
+    *to = *from;
+    to++;
+    from++;
+  }
+  *to = '\0';
+}

StrcatFunc.h

@@ -0,0 +1,4 @@
+#ifndef STRCATFUNC_H
+#define STRCATFUNC_H
+void strcatvoid(char *to, const char *from);
+#endif // STRCATFUNC_H

User.cpp

@@ -0,0 +1,23 @@
+#include "User.h"
+
+User::User(int age, QString name) {
+  this->age_ = age;
+  this->name_ = name;
+}
+QString User::getName() const { return name_; }
+int User::getAge() const { return age_; }
+size_t User::getCount() { return users_.size(); }
+void User::addUser(User user) { users_.push_back(user); }
+void User::removeUserAt(int index) { users_.erase(users_.begin() + index); }
+void User::removeUserByName(QString name) {
+  users_.erase(
+      std::remove_if(users_.begin(), users_.end(),
+                     [&](User found) { return found.getName() == name; }),
+      users_.end());
+}
+std::vector<QString> User::getAllNames() {
+  std::vector<QString> list;
+  std::for_each(users_.begin(), users_.end(),
+                [&](User found) { list.push_back(found.getName()); });
+  return list;
+}

User.h

@@ -0,0 +1,21 @@
+#ifndef USER_H
+#define USER_H
+#include <QString>
+#include <vector>
+
+class User {
+  int age_;
+  QString name_;
+  static std::vector<User> users_;
+
+public:
+  User(int age, QString name);
+  QString getName() const;
+  int getAge() const;
+  static size_t getCount();
+  static void addUser(User user);
+  static void removeUserAt(int index);
+  static void removeUserByName(QString name);
+  static std::vector<QString> getAllNames();
+};
+#endif // USER_H

mainwindow.cpp

@@ -1,85 +1,58 @@
 #include "mainwindow.h"
+#include "ResizeFunc.h"
+#include "StrcatFunc.h"
+#include "User.h"
 #include "ui_mainwindow.h"
 #include <QDebug>
 #include <QMessageBox>
 
-
 MainWindow::MainWindow(QWidget *parent)
-    : QMainWindow(parent)
-    , ui(new Ui::MainWindow)
-{
-    ui->setupUi(this);
-}
-
-MainWindow::~MainWindow()
-{
-    delete ui;
+    : QMainWindow(parent), ui(new Ui::MainWindow) {
+  ui->setupUi(this);
 }
 
-
-class User{
-    int age_;
-    QString name_;
-public:
-    static std::vector<User> users_;
-    User(int age, QString name){
-        this->age_=age;
-        this->name_=name;
-    }
-    QString getName(){
-        return name_;
-    }
-    int getAge(){
-        return age_;
-    }
-    static size_t getCount(){
-        return  users_.size();
-    }
-    static void addUser(User user){
-        users_.push_back(user);
-    }
-    static void removeUserAt(int index){
-        users_.erase(users_.begin() + index);
-    }
-    static void removeUserByName(QString name){
-        users_.erase(std::remove_if(users_.begin(), users_.end(),[&](User found){return found.getName() == name;}), users_.end());
-    }
-    static std::vector<QString> getAllNames(){
-        std::vector<QString> list;
-        std::for_each(users_.begin(),users_.end(),[&](User found){list.push_back(found.getName());});
-        return  list;
-    }
-};
+MainWindow::~MainWindow() { delete ui; }
 
 std::vector<User> User::users_;
 
-void MainWindow::on_submitPushButton_clicked()
-{
-    qDebug() << "User clicked on submit button";
-
-
-    User::addUser(User(22,"Timofey"));
-    User::addUser(User(33,"Aufar"));
-    User::addUser(User(44,"Valery"));
-    User::addUser(User(55,"Kirill"));
-    User::addUser(User(66,"Artem"));
-    User::addUser(User(77,"Camila"));
-
-    qDebug() << "Current students' count: " << User::getCount();
-    qDebug() << "All students: ";
-    qDebug() << User::getAllNames();
-    qDebug() << "Removing user at 4 index";
-
-    User::removeUserAt(4);
-
-    qDebug() << "Current Students' Count: " << User::getCount();
-    qDebug() << "All students: ";
-    qDebug() << User::getAllNames();
-    qDebug() << "Removing user named Aufar ";
-
-    User::removeUserByName("Aufar");
-
-    qDebug() << "Current Students' Count: " << User::getCount();
-    qDebug() << "All students: ";
-    qDebug() << User::getAllNames();
+void MainWindow::on_submitPushButton_clicked() {
+  qDebug() << "User clicked on submit button";
+
+  User::addUser(User(22, "Timofey"));
+  User::addUser(User(33, "Aufar"));
+  User::addUser(User(44, "Valery"));
+  User::addUser(User(55, "Kirill"));
+  User::addUser(User(66, "Artem"));
+  User::addUser(User(77, "Camila"));
+
+  qDebug() << "Current students' count: " << User::getCount();
+  qDebug() << "All students: ";
+  qDebug() << User::getAllNames();
+  qDebug() << "Removing user at 4 index";
+
+  User::removeUserAt(4);
+
+  qDebug() << "Current Students' Count: " << User::getCount();
+  qDebug() << "All students: ";
+  qDebug() << User::getAllNames();
+  qDebug() << "Removing user named Aufar ";
+
+  User::removeUserByName("Aufar");
+
+  qDebug() << "Current Students' Count: " << User::getCount();
+  qDebug() << "All students: ";
+  qDebug() << User::getAllNames();
+
+  auto a = User(666, "Devil");
+  qDebug() << a.getName() + "\'s Age:" << a.getAge();
+
+  char char1[12] = "First";
+  char char2[] = "Second";
+  qDebug() << char1;
+  qDebug() << char2;
+  strcatvoid(char1, char2);
+  qDebug() << "Super Deep Cat Func Check starting...";
+  qDebug() << char1;
+  if (strcmp(char1, "FirstSecond") == 0)
+    qDebug() << "Test passed";
 }