row.h

/*
 * row.h
 *
 *  Created on: 07/12/2013
 *      Author: Jørgen Edelbo
 */

#ifndef ROW_H_
#define ROW_H_

#include "result.h"
#include <array>
#include <iostream>
#include <exception>

const int ROW_SIZE = 4;
const int NB_VAL = 6;

struct InvalidInput : std::exception {
  InvalidInput(const char* errTxt) : mErrTxt(errTxt) {}
  virtual const char* what() const noexcept { return mErrTxt; }
  const char* mErrTxt;
};

class Row {
public:
  Row();
  Row(std::string str);
  Result compare(const Row& r);
  std::string rep();
  bool operator==(const Row&);
private:
  class CodePeg {
  public:
    CodePeg() : mVal(0) {}
    void read(std::istream& istr);
    void randomize();
    void erase() { mVal = 0; }
    bool operator==(const Row::CodePeg& other) const { return mVal == other.mVal; }
    int mVal;
  };
  std::array<CodePeg,ROW_SIZE> mCodePegs;
  friend std::ostream& operator <<(std::ostream& ostr, const Row::CodePeg&);
};

std::ostream& operator <<(std::ostream& ostr, const Row::CodePeg&);

#endif /* ROW_H_ */