// Decodebook.h - holds codebook in a vector of Pairs
//	ordered on "code" from low to high
//	for ease of look up in decoding

#ifndef DECODEBOOK_CLASS
#define DECODEBOOK_CLASS

#include <vector>
#include <string>
#include "Pair.h"

class Decodebook {
  private:
    std::vector<Pair> code;
 
  public:
    // default constructor
    // sets private data member to default value
    Decodebook();

    // reads the codebook.txt
    // creates a pair for code and plaintext
    // locates where to insert the pair
    // inserts the pair
    void reader(const char *);

    // makes a pair from a single line of input
    Pair makePair(std::string);

    // inserts pairs from codebook.txt into a vector
    // pairs are ordered on code rather than plaintext
    // order is low to high
    void insert(Pair);

    // locates the code string
    // ie "2954" (associated with "of")
    bool locate(std::string,std::vector<Pair>::iterator &);

    // prints the vector
    // uses iterators to accomplish this
    void print() const;

  private:

   // you may put any private member functions here
};

#endif // DECODEBOOK_CLASS