실습5

#include <iostream>
#include <fstream>
#include <string>
using namespace std;

const int MAXSIZE = 10;

class StudentRecord
{
private:
 int sno;
 string sname;
 float score;
public:
 StudentRecord() {;}
 StudentRecord(int no, string name, float s) {sno=no, sname=name, score=s;}

 void setSno(int no) {sno = no;}
 void setSname(string name) {sname = name;}
 void setScore(float s) {score = s;}

 int getSno() const {return sno;}
 string getSname() const {return sname;}
 float getScore() const {return score;}

 void readFromFile(ifstream&);
 void printRecord(ostream&);
 bool operator== (StudentRecord s);
};

bool StudentRecord::operator== (StudentRecord s)
{
 if(this->sno==s.sno && this->sname==s.sname && this->score==s.score)
  return true;
 else
  return false;
}
void StudentRecord::readFromFile(ifstream& Bin)// 이진파일 읽기
{
 // 채워야 할 부분
 int len;
 char* name = new char[20];
 Bin.read((char*) &sno, sizeof(int));
 Bin.read((char*) &len, sizeof(int));
 Bin.read((char*) name, (std::streamsize)len);
 name[len] = '\0';
 sname = name;
 Bin.read((char*) &score, sizeof(float));
}

void StudentRecord::printRecord(ostream&)// 화면에 출력
{
 // 채워야 할 부분
 cout << sno <<'\t'<< sname <<'\t'<< score <<endl;
}

int main(int argc, char* argv[])
{
 StudentRecord first, second;

 ifstream Binfirst(argv[1]);
 ifstream Binsecond(argv[2]);

if(!Binfirst.is_open())
{
 cout << "파일을 열수 없습니다. " << endl;
 return 0;
}

int findex = 0, sindex = 0;

cout << "first file " << endl;
while (Binfirst.peek() != EOF)
{
 first.readFromFile(Binfirst);
 first.printRecord(cout);
 findex++;
}

cout << endl << "second file" << endl;
while (Binsecond.peek() != EOF)
{
    second.readFromFile(Binsecond);
  second.printRecord(cout);
 sindex++;
}
Binfirst.clear();
Binsecond.clear();
Binfirst.seekg(0, ios::beg);
Binsecond.seekg(0, ios::beg);

bool bc = true;

//레코드 수검사
if(findex != sindex)
{
 cout << "\n\n 파일이 다릅니다.\n\n" << endl;

 Binfirst.clear();
 Binsecond.clear();
 Binfirst.seekg(0, ios::beg);
 Binsecond.seekg(0, ios::beg);

 cout << "first file " << endl;
 while (Binfirst.peek() != EOF)
 {
  first.readFromFile(Binfirst);
  first.printRecord(cout);
 }

 cout << endl << "second file" << endl;
 while (Binsecond.peek() != EOF)
 {
  second.readFromFile(Binsecond);
   second.printRecord(cout);
 }
 return 0;
}
 

// 레코드가 같으지 검사
while (Binfirst.peek() != EOF)
{
 first.readFromFile(Binfirst);
 while(Binsecond.peek() != EOF)
 {
  second.readFromFile(Binsecond);
  if(first==second)
   bc = true;
  else
  {
   bc = false;
  }
 }
}

//결과 출력
if(bc==true)
cout << " 파일이 같습니다." << endl;
else
{
 cout << " 파일이 다릅니다." << endl;

 Binfirst.clear();
 Binsecond.clear();
 Binfirst.seekg(0, ios::beg);
 Binsecond.seekg(0, ios::beg);

 cout << "first file " << endl;
 while (Binfirst.peek() != EOF)
 {
  first.readFromFile(Binfirst);
  first.printRecord(cout);
 }

 cout << endl << "second file" << endl;
 while (Binsecond.peek() != EOF)
 {
  second.readFromFile(Binsecond);
   second.printRecord(cout);
 }
 return 0;
}

 Binfirst.close();
 Binsecond.close();

 return 0;
}