#ifndef _ErrorWordsShepherd
#define _ErrorWordsShepherd

#include <string>
#include <iostream>

short const MAX_FRAMES = 20;

class ErrorWords
{
  ErrorWords() {}

  friend class ErrorWordsShepherd;
  int errorNumber_;
  int line_;
  std::string fname_;
};


class ErrorWordsShepherd
{
 public:
  ErrorWordsShepherd() : index_(0)
  {}
  
  int
  SetErrorWords(int error_num, char* fname, int line)
  {
    if (index_ >= MAX_FRAMES) {
      return 0;
    }
    errorWords[index_].errorNumber_ = error_num;
    errorWords[index_].fname_ = fname;
    errorWords[index_].line_ = line;
    ++index_;
    return 1;
  }

  void
  ListErrorWords()
  {
    for (int i = 0; i < index_; ++i) {
      std::cout << "errno is " << errorWords[i].errorNumber_ << ".\n";
      std::cout << "File name: " << errorWords[i].fname_ << "  ";
      std::cout << "Line number: " << errorWords[i].line_ << ".\n\n";
    }
  }

  void
  Reset() 
  {
    index_ = 0;
  }

 private:
  ErrorWords  errorWords[MAX_FRAMES];
  int  index_;
};

#endif