CipherStream/Headers/Vigenere.hpp

//Ciphers/SourceFiles/Vigenere.hpp
//Matthew Ellison
// Created:	4-29-18
//Modified; 4-29-18
//This file contains the declaration of the Vigenere class

#ifndef VIGENERE_HPP
#define VIGENERE_HPP


#include <string>
#include <vector>

///TODO: Might be able to make encoding and decoding faster for longer messages by actually using a grid of alphabets (Caesar Ciphers)
class Vigenere{
private:
	std::string inputString;    //This is the string that you want to encode or decode
	std::string outputString;   //This is the string that is output from encoding or decoding
	std::string keyword;        //This is the keyword that is the resposible for determining the offsets that you change each character by
	std::vector<unsigned int> offset;   //This holds the offsets computed from each character in the keyword
	void setOffset();
public:
	Vigenere();
	~Vigenere();
	void setInputString(std::string input);
	std::string getInputString() const;
	std::string getOutputString() const;
	void setKeyword(std::string key);	
	std::string getKeyword() const;
	std::vector<unsigned int> getOffsets() const;
	std::string encode();
	std::string encode(std::string key, std::string input);
	std::string decode();
	std::string decode(std::string key, std::string input);
	void reset();
};

#endif //VIGENERE_HPP