#ifndef __FLASH_FILER_H__
#define __FLASH_FILER_H__

#define MAX_FILES	5

class flash_file: virtual public serialio {
public:
	flash_file(uint8_t fd = 0): _fd(fd) {}

	virtual bool more();
	virtual uint8_t read();
	virtual void write(uint8_t);

	bool seek(uint32_t pos);
	operator bool() const;

private:
	const uint8_t _fd;
};

class flash_filer: public filer, public flash_file {
public:
	flash_filer(const char *programs): _programs(programs) {}

	const char *advance();
	const char *rewind();

	const char *checkpoint();
	void restore(const char *);

	bool start();
	void stop();

	void select(uint8_t f) { _current = f; }

private:
	const char *_programs;
	uint8_t _current;
};
#endif