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#ifndef __JE_COMMON_ARRAY_H__
#define __JE_COMMON_ARRAY_H__

namespace JinEngine
{

	///
	/// A array created on heap.
	///
	template<typename T>
	class Array
	{
	public:
		///
		/// Array constructor.
		///
		Array() 
			: length(0)
			, data(nullptr) 
		{
		}

		///
		/// Array constructor.
		///
		/// @param l Length of array.
		///
		Array(int l)
		{
			length = l;
			data = new T[l];
		}

		///
		/// Array destructor.
		///
		~Array()
		{
			delete[] data;
			length = 0;
		}

		///
		/// Get address of data.
		/// 
		/// @return Address of data.
		///
		T* operator &()
		{
			return data;
		}

		///
		/// Get specific element of array.
		/// 
		/// @return Element of array.
		///
		T& operator[](int index)
		{
			return data[index];
		}

		///
		/// Bind data with given data.
		///
		/// @param data Data pointer.
		/// @param length Length of data.
		///
		void bind(T* data, int length)
		{
			if (data != nullptr)
				delete data; 
			this->data = data;
			this->length = length;
		}

		///
		/// Add an element.
		/// 
		/// @param v Value of element.
		///
		void add(T value)
		{
			int len = length + 1;
			T* d = new T[len];
			memcpy(d, data, size());
			d[length] = value;
			bind(d, len);
		}
 
		///
		/// Get size of data in byte.
		/// 
		/// @return Size of data in byte.
		///
		int size()
		{
			return sizeof(T) * length;
		}

		///
		/// Get length of data. 
		/// 
		/// @return Count of data.
		///
		int count()
		{
			return length;
		}

	private:
		// Disable new and delete.
		void* operator new(size_t t);
		void operator delete(void* ptr);

		T * data;
		unsigned int length;

	};

} // namespace JinEngine

#endif