/*
 * arrayview.h
 *
 *  Created on: Mar 18, 2017
 *      Author: gregor
 */

#ifndef GLTB_ARRAYVIEW_H_
#define GLTB_ARRAYVIEW_H_

#include <vector>
#include <cassert>

namespace gltb {
	template<typename T>
	class ArrayView {
	public:
		ArrayView(void *data, size_t offset, size_t stride)
		: data(data), offset(offset), stride(stride)
		{
			if(stride == 0) {
				actualStride = sizeof(T);
			} else {
				actualStride = stride;
			}
		}

		T &operator[] (size_t index)
		{
			char *buffer = (char*) data;
			return *(T*)(buffer + offset + index * actualStride);
		}

		const T &operator[] (size_t index) const
		{
			char *buffer = (char*) data;
			return *(T*)(buffer + offset + index * actualStride);
		}

	private:
		void *data;
		size_t offset;
		size_t stride;
		size_t actualStride;
	};
}



#endif /* GLTB_ARRAYVIEW_H_ */