#include #include #include #include #include #include //#include #include #include #include using namespace std; class Library { const string t = "Sushil"; // string Sname; char Sname[20]; int Sid; long int Phno; //string Bname; //string Btitle; char Bname[20]; char Bartr[20]; int Bid; int noofBook=0; string Ibid; string Isid; public: static void Style() { cout<<__DATE__"\t"<<__TIME__<>Sid; while(cin.fail()) { cout << "Error:only number input" << endl; cin.clear(); cout<<"Enter Student id : "; cin.ignore(256,'\n'); cin >> Sid; } while(Sid<=1000 ) { cout<<"Error:id 1000 t0 9999\n"; cin.clear(); cout<<"Enter Student id : "; cin>>Sid; } while(Sid>=9999) { cout<<"Error:id 1000 t0 9999\n"; cin.clear(); cout<<"Enter Student id : "; cin>>Sid; } cout<<"Enter Student Name:"; //getline(cin, Sname); cin.ignore(); cin.get(Sname,20 ); while(strlen(Sname)<=3) { cout<<"Error:name size > =3 \nEnter Student name : "; cin.ignore(); cin.get(Sname, 20); } cout<<"Enter Phone Number:"; cin.ignore(); cin>>Phno; while(cin.fail()) { cout << "Error:only number input" << endl; cin.clear(); cout<<"Enter Phone Number : "; cin.ignore(256,'\n'); cin >> Phno; } while(Phno<1000000000) { cout<<"\nError: not valid number\nEnter Phone number:"; cin>>Phno; } while(Phno>9999999999) { cout<<"\nError: not valid number\nEnter Phone number:"; cin>>Phno; } // cout<<"\nThis is not valid number\nEnter Phone number:"; //cin>>Phno; //} StoreStudentdata(); //} } void Library::Printstudentdata() { //Search(); cout<< Sid <>id; // cin.get(searchname,20); while(cin.fail()) { cout << "Error:only number input" << endl; cin.clear(); cout<<"Enter Student id : "; cin.ignore(256,'\n'); cin >> id; } ifstream f; f.open("csstudentdata.txt"); if(!f) cout<<"\n file not found"; else { f.read((char*)this , sizeof(*this)); while(!f.eof()) { // if(strcmp(Sname ,searchname)) if(Sid == id) { cout<>id; // cin.get(searchname,20); while(cin.fail()) { cout << "Error:only number input" << endl; cin.clear(); cout<<"Enter Student id : "; cin.ignore(256,'\n'); cin >> id; } ifstream f; f.open("csstudentdata.txt"); if(!f) cout<<"\n file not found"; else { f.read((char*)this , sizeof(*this)); while(!f.eof()) { // if(strcmp(Sname ,searchname)) if(Sid == id) { cout<>id; // cin.get(searchname,20); while(cin.fail()) { cout << "Error:only number input" << endl; cin.clear(); cout<<"Enter Student id : "; cin.ignore(256,'\n'); cin >>id; } f.read((char*)this, sizeof(*this)); while(!f.eof()) { if(Sid == id) { c= 1; cout<<"\n Enter new Record \n"; f.seekp( f.tellp()-sizeof(*this)); AddStudent(); f.write((char*)this , sizeof(*this)); break; } f.read((char*)this , sizeof(*this)); } if(c==0) cout<<"no record found "; } f.close(); } void Library::RemoveStudent() { int id; ifstream f; ofstream F; f.open("csstudentdata.txt"); if(!f) { cout<<"\n File not found"; } else { F.open("tempStudent.txt"); cout<<"Enter Student id:"; cin>>id; while(cin.fail()) { cout << "Error:only number input" << endl; cin.clear(); cout<<"Enter Student id : "; cin.ignore(256,'\n'); cin >>id; } f.read((char*)this , sizeof(*this)); while(!f.eof()) { if(!(Sid == id)) F.write((char*)this , sizeof(*this)); f.read((char*)this , sizeof(*this)); } f.close(); F.close(); remove("csstudentdata.txt"); rename("tempStudent.txt","csstudentdata.txt"); } cin.ignore(); } void Library::AddBook() { cout<<"Enter Book id : "; cin>>Bid; while(cin.fail()) { cout << "Error:only number input" << endl; cin.clear(); cout<<"Enter Book id : "; cin.ignore(256,'\n'); cin >> Bid; } while(Bid<=10000 ) { cout<<"Error:id 1000 t0 9999\n"; cin.clear(); cout<<"Enter Student id : "; cin>>Bid; } while(Bid>=99999) { cout<<"Error:id 1000 t0 9999\n"; cin.clear(); cout<<"Enter Student id : "; cin>>Bid; } cout<<"Enter Book Name : "; //getline(cin, Sname); cin.ignore(); cin.get(Bname,20 ); cout<<"Enter Author Name : "; cin.ignore(); cin.get(Bartr,20); while(strlen(Bartr)<2) { cout<<"This is not valid name \nEnter Aurthor Name : "; cin.ignore(); cin.get(Bname,20 ); } cout<<"Enter No.of copy Book : "; cin.ignore(); cin>>noofBook; while(cin.fail()) { cout << "Error:only number input" << endl; cin.clear(); cout<<" Enter No.of Same Book : "; cin.ignore(256,'\n'); cin >> noofBook; } StoreBookdata(); cin.ignore(); } void Library::Printbookdata() { // clrscr(1); cout<< Bid <>id; //cin.get(searchname,20); while(cin.fail()) { cout << "Error:only number input" << endl; cin.clear(); cout<<"Enter Book id : "; cin.ignore(256,'\n'); cin >>id; } ifstream f; f.open("csbookdata.txt"); if(!f) cout<<"\nfile not found"; else { f.read((char*)this , sizeof(*this)); while(!f.eof()) { // if(strcmp(Sname ,searchname)) if(Bid == id) { count++; Printbookdata(); } f.read((char*)this , sizeof(*this)); } if(count == 0) cout<<" No Record Found \n"; } f.close(); } int Library::SearchBook(int x) { int id,count = 0; // char searchname[20]; cout<<"\n Enter Book id : "; cin>>id; //cin.get(searchname,20); while(cin.fail()) { cout << "Error:only number input" << endl; cin.clear(); cout<<"Enter Book id : "; cin.ignore(256,'\n'); cin >>id; } ifstream f; f.open("csbookdata.txt"); if(!f) cout<<"\nfile not found"; else { f.read((char*)this , sizeof(*this)); while(!f.eof()) { // if(strcmp(Sname ,searchname)) if(Bid == id) { count++; cout<<"\n Your Book is found\n"; Printbookdata(); return 1; } f.read((char*)this , sizeof(*this)); } if(count == 0) { cout<<" No Record Found \n"; // break ; return 0; } } f.close(); } void Library::UpdateBook() { int id,c=0; fstream f; f.open("csbookdata.txt",ios::in|ios::out|ios::ate); f.seekg(0); if(!f) cout<<"file is not found \n"; else { cout<<"Enter Book id : "; cin>>id; // cin.get(searchname,20); while(cin.fail()) { cout << "Error:only number input" << endl; cin.clear(); cout<<"Enter Student id : "; cin.ignore(256,'\n'); cin >>id; } f.read((char*)this, sizeof(*this)); while(!f.eof()) { if(Bid == id) { c= 1; AddBook(); f.seekp( f.tellp()-sizeof(*this)); f.write((char*)this , sizeof(*this)); break; } f.read((char*)this , sizeof(*this)); } if(c==0) cout<<"\n no record found "; } f.close(); } void Library::RemoveBook() { int id; ifstream f; ofstream F; f.open("csbookdata.txt"); if(!f) { cout<<"\n File not found"; } else { F.open("tempStudent.txt"); cout<<"Enter Book id:"; cin>>id; while(cin.fail()) { cout << "Error:only number input" << endl; cin.clear(); cout<<"Enter Student id : "; cin.ignore(256,'\n'); cin >> id; } f.read((char*)this , sizeof(*this)); while(!f.eof()) { if(!(Bid == id)) F.write((char*)this , sizeof(*this)); f.read((char*)this , sizeof(*this)); } f.close(); F.close(); remove("csbookdata.txt"); rename("tempStudent.txt","csbookdata.txt"); } cin.ignore(); } void Library::IsuzuBook() { int i[100],j[100]; fstream FILE; FILE.open("isuzudata.txt",ios::out); //F.open("csbookdata.txt"); if( SearchBook(0)) { Searchstudent(0); if(!FILE) cout<<"File not found"; else { FILE.write((char*)this , sizeof(*this)); } } FILE.close(); } void Library::ShowIsuzu() { ifstream f; f.open("isuzudata.txt",ios::out|ios::in); if(!f) cout<<"\n File not found\n"; else { // if(Sid ==0 || Bid ==0) //{ // cout<<"\n No record\n"; //} //else //{ f.read((char*)this , sizeof(*this)); cout<<"Student id \t "<<"Student name\t "<<"Book id \t"<<"Book name\n"; cout<>Sid[i]; } for(int a=0;a<5;a++) { for(int b=a+1;b<5;b++) { if(Sid[b]>swiloop; cin.ignore(); while(cin.fail()) { cout << "Error:only number input" << endl; cin.clear(); cout<<"\n Enter your choice:"; cin.ignore(256,'\n'); cin >>swiloop; } system("clear"); switch(swiloop){ case 1: b.ShowStudent(); break; case 2: b.AddStudent(); break; case 3: b.Searchstudent(); break; case 4: b.UpdateStudent(); break; case 5: b.RemoveStudent(); break; case 6: b.ShowBook(); break; case 7: b.AddBook(); break; case 8: b.SearchBook(); break; case 9: b.IsuzuBook(); break; case 10: b.UpdateBook(); break; case 11: b.RemoveBook(); break ; case 12: b.ShowIsuzu(); break; case 13: cout<<"\n\n\n\n\t\t\t** Thank You **\n\n\n\n"; exit(0); default: cout<<"\n Wrong choice"; } cin.get(); system("clear"); } } } return 0; }

CS_Library