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 +1,14 @@
+#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 +1,14 @@
+#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 +1,38 @@
+#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 +1,22 @@
+#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

main.cpp

@@ -2,10 +2,10 @@
 
 #include <QApplication>
 
-int main(int argc, char *argv[])
+int main(int argc, char* argv[])
 {
-    QApplication a(argc, argv);
-    MainWindow w;
-    w.show();
-    return a.exec();
+  QApplication a(argc, argv);
+  MainWindow w;
+  w.show();
+  return a.exec();
 }

mainwindow.cpp

@@ -1,85 +1,63 @@
 #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)
+MainWindow::MainWindow(QWidget* parent) : QMainWindow(parent), ui(new Ui::MainWindow)
 {
-    ui->setupUi(this);
+  ui->setupUi(this);
 }
 
 MainWindow::~MainWindow()
 {
-    delete ui;
+  delete ui;
 }
 
-
-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;
-    }
-};
-
 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();
+{
+  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";
 }

mainwindow.h

@@ -4,21 +4,24 @@
 #include <QMainWindow>
 
 QT_BEGIN_NAMESPACE
-namespace Ui { class MainWindow; }
+namespace Ui
+{
+class MainWindow;
+}
 QT_END_NAMESPACE
 
 class MainWindow : public QMainWindow
 {
-    Q_OBJECT
+  Q_OBJECT
 
 public:
-    MainWindow(QWidget *parent = nullptr);
-    ~MainWindow();
+  MainWindow(QWidget* parent = nullptr);
+  ~MainWindow();
 
 private slots:
-    void on_submitPushButton_clicked();
+  void on_submitPushButton_clicked();
 
 private:
-    Ui::MainWindow *ui;
+  Ui::MainWindow* ui;
 };
-#endif // MAINWINDOW_H
+#endif  // MAINWINDOW_H