#pragma once

#include "../../ext/sd/File.h"

/** data source using our filesystem */
class DataSourceFile {
	
	File* f;
	
public:

	/** empty ctor */
	DataSourceFile() : f(nullptr) {

	}

	/** ctor with the filesystem file to wrap */
	DataSourceFile(File& f) : f(&f) {
		
	}
	
	/** get the current position */
	uint32_t curPos() const {
		return f->curPos();
	}

	/** seek to the given position */
	void seekTo(uint32_t newPos) {
		f->seekTo(newPos);
	}

	/** read x bytes from the input into dst */
	uint32_t read(uint32_t size, uint8_t* dst) {
		return f->read(size, dst);
	}

	/** read an entity */
	template <typename T> void readType(T& dst) {
		read(sizeof(T), (uint8_t*)&dst);
	}

};