10 files changed, 172 insertions, 0 deletions
diff --git a/Sem. 13/Farm/Animal.h b/Sem. 13/Farm/Animal.h
new file mode 100644
index 0000000..3911d49
--- /dev/null
+++ b/Sem. 13/Farm/Animal.h
@@ -0,0 +1,11 @@
+#pragma once
+#include <iostream>
+class Animal
+{
+public:
+	virtual void sayHello() const = 0;
+
+	virtual Animal* clone()  const = 0;//създава копие на текущия обект.
+
+	virtual ~Animal() {} //!!!
+};
+\ No newline at end of file
diff --git a/Sem. 13/Farm/Cat.cpp b/Sem. 13/Farm/Cat.cpp
new file mode 100644
index 0000000..4bb833a
--- /dev/null
+++ b/Sem. 13/Farm/Cat.cpp
@@ -0,0 +1,12 @@
+#include "Cat.h"
+
+void Cat::sayHello() const 
+{
+	std::cout << "Hello, I am a Cat!" << std::endl;
+}
+
+Animal* Cat::clone() const 
+{
+	Animal* newObj = new Cat(*this); //copy constr of Mouse
+	return newObj;
+}
+\ No newline at end of file
diff --git a/Sem. 13/Farm/Cat.h b/Sem. 13/Farm/Cat.h
new file mode 100644
index 0000000..1e1525d
--- /dev/null
+++ b/Sem. 13/Farm/Cat.h
@@ -0,0 +1,8 @@
+#pragma once
+#include "Animal.h"
+class Cat : public Animal
+{
+public:
+	void sayHello() const override;
+	Animal* clone() const override;
+};
+\ No newline at end of file
diff --git a/Sem. 13/Farm/Dog.cpp b/Sem. 13/Farm/Dog.cpp
new file mode 100644
index 0000000..f44692c
--- /dev/null
+++ b/Sem. 13/Farm/Dog.cpp
@@ -0,0 +1,12 @@
+#include "Dog.h"
+
+void Dog::sayHello() const 
+{
+	std::cout << "Hello, I am a Dog!" << std::endl;
+}
+
+Animal* Dog::clone() const
+{
+	Animal* newObj = new Dog(*this); //copy constr of Mouse
+	return newObj;
+}
+\ No newline at end of file
diff --git a/Sem. 13/Farm/Dog.h b/Sem. 13/Farm/Dog.h
new file mode 100644
index 0000000..26fc187
--- /dev/null
+++ b/Sem. 13/Farm/Dog.h
@@ -0,0 +1,8 @@
+#pragma once
+#include "Animal.h"
+class Dog : public Animal
+{
+public:
+	void sayHello() const override;
+	Animal* clone() const override;
+};
+\ No newline at end of file
diff --git a/Sem. 13/Farm/Farm.cpp b/Sem. 13/Farm/Farm.cpp
new file mode 100644
index 0000000..1328e95
--- /dev/null
+++ b/Sem. 13/Farm/Farm.cpp
@@ -0,0 +1,63 @@
+#include "Farm.h"
+
+void Farm::free()
+{
+	for (size_t i = 0; i < animalsCount; i++)
+		delete animals[i];  //не се инт. какъв обект е. (вирт дестр)
+	delete[] animals;
+}
+void Farm::copyFrom(const Farm& other)
+{
+	animals = new Animal * [other.animalsCount];
+	animalsCount = other.animalsCount;
+	capacity = other.capacity;
+
+	for (size_t i = 0; i < animalsCount; i++)
+	{
+		animals[i] = other.animals[i]->clone();
+	}
+}
+void Farm::resize()
+{
+	Animal** newCollection = new Animal * [capacity *= 2];
+	for (size_t i = 0; i < animalsCount; i++)
+		newCollection[i] = animals[i]; // !!не правим клониране
+	delete[] animals;
+	animals = newCollection;
+}
+void Farm::addAnimal(const Animal& currentAnimal)
+{
+	if (animalsCount == capacity)
+		resize();
+	animals[animalsCount++] = currentAnimal.clone();
+}
+
+Farm::Farm()
+{
+	capacity = 8;
+	animalsCount = 0;
+	animals = new Animal * [capacity];
+}
+Farm::Farm(const Farm& other)
+{
+	copyFrom(other);
+}
+Farm& Farm::operator=(const Farm& other)
+{
+	if (this != &other)
+	{
+		free();
+		copyFrom(other);
+	}
+	return *this;
+}
+Farm::~Farm()
+{
+	free();
+}
+
+void Farm::allSayHello() const
+{
+	for (size_t i = 0; i < animalsCount; i++)
+		animals[i]->sayHello();
+}
diff --git a/Sem. 13/Farm/Farm.h b/Sem. 13/Farm/Farm.h
new file mode 100644
index 0000000..f33f244
--- /dev/null
+++ b/Sem. 13/Farm/Farm.h
@@ -0,0 +1,24 @@
+#pragma once
+#include "Animal.h"
+
+class Farm
+{
+	Animal** animals;
+	size_t animalsCount;
+	size_t capacity;
+
+	void free();
+	void copyFrom(const Farm& other);
+	void resize();
+
+public:
+	Farm();
+	Farm(const Farm& other);
+	Farm& operator=(const Farm& other);
+	~Farm();
+
+	void addAnimal(const Animal& animal);
+
+	void allSayHello() const;
+
+};
diff --git a/Sem. 13/Farm/Mouse.cpp b/Sem. 13/Farm/Mouse.cpp
new file mode 100644
index 0000000..a6dc30a
--- /dev/null
+++ b/Sem. 13/Farm/Mouse.cpp
@@ -0,0 +1,12 @@
+#include "Mouse.h"
+
+void Mouse::sayHello() const
+{
+	std::cout << "Hello, I am a Mouse!" << std::endl;
+}
+
+Animal* Mouse::clone() const
+{
+	Animal* newObj = new Mouse(*this); //copy constr of Mouse
+	return newObj;
+}
+\ No newline at end of file
diff --git a/Sem. 13/Farm/Mouse.h b/Sem. 13/Farm/Mouse.h
new file mode 100644
index 0000000..3af9fbc
--- /dev/null
+++ b/Sem. 13/Farm/Mouse.h
@@ -0,0 +1,8 @@
+#pragma once
+#include "Animal.h"
+class Mouse : public Animal
+{
+public:
+	void sayHello() const override;
+	Animal* clone() const override;
+};
+\ No newline at end of file
diff --git a/Sem. 13/Farm/source.cpp b/Sem. 13/Farm/source.cpp
new file mode 100644
index 0000000..e5b5cf7
--- /dev/null
+++ b/Sem. 13/Farm/source.cpp
@@ -0,0 +1,14 @@
+#include <iostream>
+#include "Farm.h"
+#include "Dog.h"
+#include "Cat.h"
+#include "Mouse.h"
+
+int main()
+{
+	Farm f;
+	f.addAnimal(Dog());
+	f.addAnimal(Cat());
+
+	f.allSayHello();
+}
+\ No newline at end of file