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1 files changed, 98 insertions, 0 deletions
| -rw-r--r-- | Polymorphism/Figures/Farm(cloneFunction)/Farm.hpp | 98 |
diff --git a/Polymorphism/Figures/Farm(cloneFunction)/Farm.hpp b/Polymorphism/Figures/Farm(cloneFunction)/Farm.hpp new file mode 100644 index 0000000..51a980e --- /dev/null +++ b/Polymorphism/Figures/Farm(cloneFunction)/Farm.hpp @@ -0,0 +1,98 @@ +#include "Animal.hpp"
+
+// Collection of all animals
+class Farm
+{
+ Animal** animals;
+ int len;
+ int count;
+ void Free();
+ void CopyFrom(const Farm& other);
+ bool AddAnimal(Animal* an);
+public:
+ Farm(int len);
+ Farm(const Farm& other);
+ Farm& operator=(const Farm& other);
+ ~Farm();
+ bool AddCat(std::string name);
+ bool AddDog(std::string name);
+ bool AddCow(std::string name);
+ void RoarAll();
+};
+Farm::Farm(int len)
+{
+ animals = new Animal*[len];
+ this->len = len;
+ count = 0;
+}
+Farm::Farm(const Farm& other)
+{
+ CopyFrom(other);
+}
+Farm& Farm::operator=(const Farm& other)
+{
+ if (this != &other)
+ {
+ Free();
+ CopyFrom(other);
+ }
+ return *this;
+}
+Farm::~Farm()
+{
+ Free();
+}
+bool Farm::AddAnimal(Animal* an)
+{
+ if(count == len)
+ return false;
+ animals[count++]=c;
+ return true;
+}
+bool Farm::AddCat(std::string name)
+{
+ Cat* c = new Cat(name);
+ if(!AddAnimal(c))
+ {
+ delete c;
+ return false;
+ }
+}
+bool Farm::AddDog(std::string name)
+{
+ Dog* c = new Dog(name);
+ if(!AddAnimal(c))
+ {
+ delete c;
+ return false;
+ }
+}
+bool Farm::AddCow(std::string name)
+{
+ Cow* c = new Cow(name);
+ if(!AddAnimal(c))
+ {
+ delete c;
+ return false;
+ }
+}
+void Farm::RoarAll()
+{
+ for (int i = 0; i < count; i++)
+ animals[i]->Roar(); //roar is a virtual function
+
+}
+void Farm::Free()
+{
+ for (int i = 0; i < count; i++)
+ delete animals[i]; //~Animal() is virtual
+ delete[] animals;
+}
+void Farm::CopyFrom(const Farm& other)
+{
+ animals = new Animal*[other.len];
+ for (int i = 0; i < other.count; i++)
+ animals[i] = other.animals[i]->clone(); //clone is a virtual function
+ len = other.len;
+ count = other.count;
+}
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