dedup/inc/hash.h

#pragma once

#include <string>
#include <ostream>

class Hash {
public:
	Hash();
	Hash(const Hash&);
	Hash(Hash&&);
	virtual ~Hash();

	static bool create(Hash& h, const std::string& file);
	static bool create(Hash& h, int fd);

	operator bool() const;
	operator std::string() const;

	bool operator==(const Hash& rhs) const;
	bool operator!=(const Hash& rhs) const;

private:
	unsigned char* data = nullptr;

	friend std::ostream& operator<<(std::ostream& str, const Hash& rhs);
};

std::ostream& operator<<(std::ostream& str, const Hash& rhs);