Eeprom.h

#pragma once
#include <vector>
#include <fstream>

class Eeprom {
public:
        struct Settings {
                unsigned int bus;
                char address;
                unsigned int offset;
                unsigned int maxLength;
        };
        Eeprom() {};
        Eeprom(const Settings& settings);
        int setup(const Settings& settings);
        int read(unsigned int start = 0, unsigned int length = -1);
        int write(unsigned int start = 0, unsigned int length = -1);
        bool isSynced();
        char* data();
        const char* data() const;
        size_t size() const;
        char& operator[](std::size_t idx)
        {
                return content[idx];
        }

        const char& operator[](std::size_t idx) const {
                return content[idx];
        }
private:
        int prepareToReadWrite(unsigned int start, unsigned int& length);
        std::vector<char> content;
        std::vector<char> writtenContent;
        std::fstream file;
        unsigned int offset;
};