d07 ex02 a peu pres ok

d07/ex02/headers/Array.hpp

@@ -0,0 +1,50 @@
+#ifndef ARRAY_HPP
+# define ARRAY_HPP
+
+#include <iostream>
+
+template < typename T >
+class Array {
+public:
+	Array(unsigned int n = 0u)
+		: _size(n)
+		, _arr(new T[n]) {};
+	~Array() { delete [] _arr; };
+	Array(Array const & src) : _arr(new T[0]) { *this = src; };
+	Array &operator=(Array const & rhs) {
+		if (this == &rhs)
+			return (*this);
+		delete[] _arr;
+		_arr = new T[rhs._size];
+		_size = rhs._size;
+		for (unsigned int it = 0; it < rhs._size && it < _size; it++)
+			_arr[it] = rhs._arr[it];
+		return (*this);
+	};
+
+	// seen on luke's code :
+	// https://isocpp.org/wiki/faq/const-correctness#const-overloading
+	T &	operator[](size_t i) {
+		if (i < 0 || i >= _size)
+			throw ArrayOutOfRangeException();
+		return (_arr[i]);
+	};
+	const T &	operator[](size_t i) const {
+		if (i < 0 || i >= _size)
+			throw ArrayOutOfRangeException();
+		return (_arr[i]);
+	};
+
+	size_t	size() const { return (_size); };
+
+private:
+
+	class ArrayOutOfRangeException : public std::exception {
+		const char	*what() const throw() {
+			return ("out of range array index");};
+	};
+	size_t	_size;
+	T	*	_arr;
+};
+
+#endif