TP 1, Exercice 2 (version longue)

tp/include/file.h

@@ -0,0 +1,121 @@
+#ifndef HEADER_FILE
+#define HEADER_FILE
+
+#include <cstddef>
+#include <optional>
+#include <string>
+
+template <class T>
+class File;
+
+template <class T>
+class Cellule {
+public:
+    friend File<T>;
+    Cellule(T value)
+        : _value(value)
+        , _next(nullptr)
+    {
+    }
+    Cellule(T value, Cellule* next)
+        : _value(value)
+        , _next(next)
+    {
+    }
+
+private:
+    T _value;
+    Cellule* _next;
+};
+
+template <class T>
+class Vide : Cellule<T> {
+public:
+    friend File<T>;
+    Vide()
+        : Cellule<T>(0)
+    {
+    }
+};
+
+template <class T>
+class File {
+public:
+    File()
+        : _size(0)
+        , _front(nullptr)
+        , _end(nullptr)
+        , _vide() {};
+    ~File()
+    {
+        auto next = _front;
+        auto front = _front;
+
+        while (next != nullptr) {
+            next = front->_next;
+            delete front;
+            front = next;
+        }
+    }
+    size_t getSize() { return _size; }
+    bool isEmpty() { return _size < 1; }
+    void push_back(T value)
+    {
+        auto newCell = new Cellule<T>(value, nullptr);
+        if (_front == nullptr && _end == nullptr) {
+            _front = newCell;
+            _end = newCell;
+        } else {
+            _end->_next = newCell;
+            _end = newCell;
+        }
+        _size++;
+    }
+
+    T& operator[](size_t index)
+    {
+        auto cell = getCell(index);
+        if (cell.has_value())
+            return cell.value()->_value;
+        else
+            return _vide._value;
+    }
+
+    void remove(size_t index)
+    {
+        auto actualCell = getCell(index);
+        if (!actualCell.has_value())
+            throw std::string("Cannot remove from an index superior to the File size.");
+        // if not _front -> get previous index and set next to the next of this removed cell
+        if (index > 0)
+            getCell(index - 1).value()->_next = actualCell.value()->_next;
+        // else, the front becomes this cell
+        else
+            _front = actualCell.value()->_next;
+        // deleting the cell and decrementing the size
+        delete actualCell.value();
+        _size--;
+    }
+
+    T& getFront() { return _front->_value; }
+    T& getEnd() { return _front->_value; }
+
+private:
+    std::optional<Cellule<T>*> getCell(size_t index)
+    {
+        auto returnCell = _front;
+        if (index >= _size)
+            return {};
+        for (size_t i = 0; i < index; i++) {
+            returnCell = returnCell->_next;
+        }
+        return returnCell;
+    }
+
+    size_t _size;
+    Cellule<T>* _front;
+    Cellule<T>* _end;
+    Vide<T> _vide;
+};
+
+#endif // HEADER_FILE

tp/src/main.cpp

@@ -1,13 +1,37 @@
+#include "../include/file.h"
 #include "../include/polygone.h"
 #include <cstddef>
 #include <iostream>
+#include <typeinfo>
 
 /**
  * @brief Fonction de test utilisées pour les question 1 à 5
  */
 void test();
+/**
+ * @brief Fonction pour l'exo 1
+ */
+void exo1();
 
 int main(void)
+{
+    File<Polygone*> polyFile;
+    polyFile.push_back(new Carre(2));
+    polyFile.push_back(new Cercle(5, "rouge"));
+    polyFile.push_back(new TriangleEquilateral(3));
+    for (size_t i = 0; i < polyFile.getSize(); i++) {
+        std::cout << polyFile[i]->afficherCaracteristiques() << "\n";
+        std::cout << "Perimetre: " << polyFile[i]->perimetre() << "\n";
+        // ! Expression with side effect (clang-tidy)
+        if (typeid(*polyFile[i]) == typeid(Cercle)) {
+            auto cercle = static_cast<Cercle*>(polyFile[i]);
+            std::cout << "Couleur du cercle: " << cercle->getCouleur() << std::endl;
+        }
+        std::cout << "\n";
+    }
+}
+
+void exo1()
 {
     // Le polymorphisme ne fonctionne qu'avec des pointeurs
     Polygone* polyTab[3] = { new Carre(2), new Cercle(5, "rouge"), new TriangleEquilateral(3) };
@@ -23,8 +47,7 @@ int main(void)
     // Suppression de chaque Polygone dans le tableau
     while (Polygone::getPolyCount() > 0)
         delete polyTab[Polygone::getPolyCount() - 1];
-    // ! WARNING: Potential memory leak (je ne sais pas pourquoi...)
+    // ! Potential memory leak (clang-tidy)
-    return 0;
 }
 
 void test()

tp/src/polygone.cpp

@@ -1,5 +1,5 @@
 #include "../include/polygone.h"
-#include "coloriable.h"
+#include "../include/coloriable.h"
 
 #include <cmath>
 #include <sys/types.h>