Hello
am trying to do this program as my project.and i was able to fix lots of errors but this few errors i do not know what to do. as my 1st and last semester for programing, am not really good in this subject. i added the errors list hope that would help you. i am really new to C++ so please give any answer in detail.
thank you in advance
#include <iostream>
#include <iomanip>
#include <stdlib.h>
#include <conio.h>
#include <fstream>
#include <string>
#include <ctime>
#include <sys/stat.h>
using namespace std;
struct Book_Record
{
int id,copies,total;
string date,published,isbn;
string name,author,category,publisher;
bool deleted;
};
#define BOOK_FILE_NAME "Books.txt"
Book_Record book;
fstream *fs = NULL, *fs1 = NULL;// file streams for files : fs -> 'add', fs1 -> 'temp'
void closeFile(fstream *); // closes a file with its pointer, then deletes the file pointer
bool isFileExist(const char *); // check if a file exists
bool deletion = false; // if any record has been deleted
void closeFile(fstream *fs)
{
fs->close(); // close the file
delete fs;
fs = NULL;
}
int main()
{
enum num { Add = 1, Search = 2, Update = 3, Delete = 4, Display = 5, Total = 6, Exit = 7};
}
do
{
int num;
system( "CLS" );
cout << "\n\n\n\t---------Welcome to Librery Book Register System!--------- " <<endl;
cout << "\t|\t 1. Add Record " <<endl;
cout << "\t|\t 2. Search Record " <<endl;
cout << "\t|\t 3. Update Record " <<endl;
cout << "\t|\t 4. Delete Record " <<endl;
cout << "\t|\t 5. Display Records " <<endl;
cout << "\t|\t 6. Total number of Books" <<endl;
cout << "\t|\t 7. Exit Program " <<endl;
cout<<"please select one: ";
num= _getch();
}
while ( num < '1' || num > '7' )
system ( "CLS" );
if (num == '2' || num == '3' || num == '4' || num == '5' || num == '6' )
{
if (!isFileExist (BOOK_FILE_NAME))
{
cout<<"Can't open or create '"<<BOOK_FILE_NAME<<"'file"<<endl;
system("pause");
goto MainPage;
}
}
switch(num)
{
int confirm;
int recs_num;
int id;
case '1':
{
do
{
cout<<"Add new records"<<endl;
cout<<"\nBook's ID<AutoGenerate>: ";
Book.ID = Auto++;
cout<<"Book.ID"<<endl;
if (output.open("id.txt"),ios::out)
{
output<<Auto;
}
else cout<<"The file is empty.";
output.close();
cout<<"\n Enter Book's NAME: ";
cin.get();
getline(cin,Book.name);
while (Book.name.size ()>2 || (Book.name.find_first_of("qwertyuiopasdfghjklzxcvbnm")== string::nops)
{
cout<<"\n* Invalid input! Please enter again!*\nNAME: ";
getline(cin,Book.name);
}
cout<<"\nBook Author:";
cin>>Book.author;
while ((Book.author.size ()>2) || (Book.author.find_first_of("qwertyuiopasdfghjklzxcvbnm")== string::nops))
{
cout<<"\n *Invalid input!please enter again! *\nAuthor";
getline(cin,Book.author);
}
cout<<"\nBook's Publisher: ";
getline (cin,Book.publisher);
while ((Book.publisher.size ()>2) || (Book.publisher.find_first_of("qwertyuiopasdfghjklzxcvbnm")== string::nops))
{
cout<<"\n *Invalid input!please enter again! *\nPublisher";
getline(cin,Book.publisher);
}
cout<<"\nBook's Category: ";
getline (cin,Book.category);
while ((Book.category.size ()>2) || (Book.category.find_first_of("qwertyuiopasdfghjklzxcvbnm")== string::nops))
{
cout<<"\n *Invalid input!please enter again! *\nPublisher";
getline(cin,Book.category);
}
cout<<"\nYear Book was Published: ";
cin >> Book.published;
while ((Book.published.size() >2) || (Book.published.find_first_of( "0123456789" ) == string::npos))
{
cout << "Invalid input! Please try again! *\nPublished: ";
getline (cin, Book.published);
}
cout<<"\nBook's ISBN: ";
getline (cin,Book.isbn);
while ((Book.isbn.size ()>2) || (Book.isbn.find_first_of("qwertyuiopasdfghjklzxcvbnm")== string::nops))
{
cout<<"\n *Invalid input!please enter again! *\nISBN";
getline(cin,Book.isbn);
}
cout<<"\nHow Many Copies of Book: ";
getline (cin,Book.copies);
while ((Book.isbn.copies ()>2) || (Book.isbn.find_first_of("1234567890")== string::nops))
{
cout<<"\n *Invalid input!please enter again! *\nISBN";
getline(cin,Book.isbn);
}
char date [10];
_strdate(date);
Book.date = date;
}
cout<<"\nSave record?\n<1=yes, 0=no>"<<endl;
cin>>confirm;
if (confirm == 1)
{
fs = new fstream (BOOK_FILE_NAME, ios::out | ios::app | ios::binary);
if (!fs)
{
cout<<"\n Can't open or create'"<<BOOK_FILE_NAME<<"'file"<<endl;
system("pause");
break;
}
fs->write ( (char *) & Book, sizeof (Book));
closefile(fs);
}
cout<<"\nRecord Added."<<endl;
system("pause");
goto Mainpage;
break;
}
case '2':
{
cout << "search"<<endl;
cout<<"please enter Book's ID: ";
cin >>id;
fs= new fstream ( BOOK_FILE_NAME, ios::is | ios::out | ios::binary);
if (!fs)
{
cout<<"\nCan't open or create '"<<BOOK_FILE_NAME<<"'File"<<endl;
system("pause");
break;
}
recs_num= -1;
while (fs->read((char*) & Book,sizeof(Book)))
{
recs_num++;
if ( Book.id==id && !Book.deleted)
break;
}
if (fs->eof())
{
cout<<"\nBook Does not Exist in the Librery"<<endl;
closeFile(fs);
system("pause");
goto MainPage;
}
cout << "\n\n";
cout << "Book's ID\t\t: " << Book.ID << '\n';
cout << "Book's Name\t\t: " << Book.name << '\n';
cout << "Book's Author\t\t: " << Book.author << '\n';
cout << "Book's Publisher\t: " << Book.publisher << '\n';
cout << "Book's Category\t\t: " << Book.category << '\n';
cout << "Year Publisher\t\t: " << Book.publisher << '\n';
cout << "Book's ISBN\t: " << Book.isbn << '\n';
cout << "Number of Copies\t: " << Book.copies << '\n';
cout << "Added Date\t: " << Book.date << '\n';
system("pause");
goto MainPage;
break;
}
case '3':
{
cout<<"Edit"<<endl;
cout<<"please enter BOOK's ID: ";
cin >>id;
fs= new fstream ( BOOK_FILE_NAME, ios::is | ios::out | ios::binary);
if (!fs)
{
cout<<"\nCan't open or create '"<<BOOK_FILE_NAME<<"'File"<<endl;
system("pause");
break;
}
recs_num= -1;
while (fs->read((char*) & Book,sizeof(Book)))
{
recs_num++;
if ( Book.id==id && !Book.deleted)
break;
}
if (fs->eof())
{
cout<<"\nBook Does Not Exist in The Librery"<<endl;
closeFile(fs);
system("pause");
goto MainPage;
}
cout<<"\n Enter Book's NAME: ";
cin.get();
getline(cin,Book.name);
while (Book.name.size ()>2 || (Book.name.find_first_of("qwertyuiopasdfghjklzxcvbnm")== string::nops)
{
cout<<"\n* Invalid input! Please enter again!*\nNAME: ";
getline(cin,Book.name);
}
cout<<"\nBook Author:";
cin>>Book.author;
while ((Book.author.size ()>2) || (Book.author.find_first_of("qwertyuiopasdfghjklzxcvbnm")== string::nops))
{
cout<<"\n *Invalid input!please enter again! *\nAuthor";
getline(cin,Book.author);
}
cout<<"\nBook's Publisher: ";
getline (cin,Book.publisher);
while ((Book.publisher.size ()>2) || (Book.publisher.find_first_of("qwertyuiopasdfghjklzxcvbnm")== string::nops))
{
cout<<"\n *Invalid input!please enter again! *\nPublisher";
getline(cin,Book.publisher);
}
cout<<"\nBook's Category: ";
getline (cin,Book.category);
while ((Book.category.size ()>2) || (Book.category.find_first_of("qwertyuiopasdfghjklzxcvbnm")== string::nops))
{
cout<<"\n *Invalid input!please enter again! *\nPublisher";
getline(cin,Book.category);
}
cout<<"\nYear Book was Published: ";
cin >> Book.published;
while ((Book.published.size() >2) || (Book.published.find_first_of( "0123456789" ) == string::npos))
{
cout << "Invalid input! Please try again! *\nPublished: ";
getline (cin, Book.published);
}
cout<<"\nBook's ISBN: ";
getline (cin,Book.isbn);
while ((Book.isbn.size ()>2) || (Book.isbn.find_first_of("qwertyuiopasdfghjklzxcvbnm")== string::nops))
{
cout<<"\n *Invalid input!please enter again! *\nISBN";
getline(cin,Book.isbn);
}
cout<<"\nHow Many Copies of Book: ";
getline (cin,Book.copies);
while ((Book.isbn.copies ()>2) || (Book.isbn.find_first_of("1234567890")== string::nops))
{
cout<<"\n *Invalid input!please enter again! *\nISBN";
getline(cin,Book.isbn);
}
char date [10];
_strdate(date);
Book.date = date;
fs->seekp ( sizeof(Employee) * recs_num, ios::beg);
fs->write ( (char*) &Employee,sizeof(Employee));
closeFile(fs);
cout<<"\nRecord is modified."<<endl;
system("pause");
goto MainPage;
break;
}
case '4':
{
cout << "delete"<<enld;
cout<<"please enter Book ID: ";
cin >>book.id;
fs= new fstream ( BOOK_FILE_NAME, ios::is | ios::out | ios::binary);
if (!fs)
{
cout<<"\nCan't open or create '"<<BOOK_FILE_NAME<<"'File"<<endl;
system("pause");
break;
}
recs_num= -1;
while (fs->read((char*) & Book,sizeof(Book)))
{
recs_num++;
if ( Book.id==id && !Book.deleted)
break;
}
if (fs->eof())
{
cout<<"\n Book does not exist in this Librery"<<endl;
closeFile(fs);
system("pause");
goto MainPage;
}
book.deleted = 1;
fs->seekp ( sizeof(Book) * recs_num, ios::beg);
fs->write ( (char*) &Book, sizeof(Book));
closeFile(fs);
deletion = true;
cout<<"\nRecord is deleted."<<endl;
system("pause");
got MainPage;
break;
}
case 5:
{
cout<<"Display Existing Records"<<endl;
fs = new fstream ( BOOK_FILE_NAME, ios::in | ios::binary );
if (!fs)
{
cout<<"caanot open'"<<BOOK_FILE_NAME<<"'file."<<endl;
system("pause");
break;
}
while (fs->read ( (char *) &Book, sizeof(Book) ))
{
if ( !Book.deleted )
{
cout << "\n\n";
cout << "Book's ID\t\t: " << Book.ID << '\n';
cout << "Book's Name\t\t: " << Book.name << '\n';
cout << "Book's Author\t\t: " << Book.author << '\n';
cout << "Book's Publisher\t: " << Book.publisher << '\n';
cout << "Book's Category\t\t: " << Book.category << '\n';
cout << "Year Publisher\t\t: " << Book.publisher << '\n';
cout << "Book's ISBN\t: " << Book.isbn << '\n';
cout << "Number of Copies\t: " << Book.copies << '\n';
cout << "Added Date\t: " << Book.date << '\n';
}
}
closeFile(fs);
system ("pause");
goto MainPage;
break;
case '7':
{
if (deletion)
{
cout << "Updating" << BOOK_FILE_NAME << " File..." <<endl;
fs = new fstream( BOOK_FILE_NAME, ios::in | ios::binary );
if (!fs)
{
cout << " Can not Open "<< BOOK_FILE_NAME << "File, then Updating is incomplete."<<endl;
system("pause");
system( "cls" );
return 1;
}
fs1 = new fstream( "temp", ios::out | ios::binary );
if (!fs1)
{
cout<< "Unable to create temp file. Updating was incomplete ."<<endl;
system("pause");
system("cls");
return 1;
}
while (fs->read ( (char *) &Book, sizeof(Book)))
if ( !Employee.deleted )
fs1->write( (char *) &Book, sizeof(Book) );
closeFile(fs);
closeFile(fs1);
if( remove( BOOK_FILE_NAME ) == -1)
{
cout<<"\n Can not delete"<< BOOK_FILE_NAME <<"file, updating is incomplete."<<endl;
system("pause");
system( "cls" );
cout << "\n\n\n\n\n";
cout << "\t\t*************************************" <<endl;
cout << "\t\t** **" <<endl;
cout << "\t\t** Thank You **" <<endl;
cout << "\t\t** for using **" <<endl;
cout << "\t\t** The Librery System **" <<endl;
cout <<"\t\t** **" <<endl;
cout <<"\t\t**************************************" <<endl;
cout <<"\n\n\n\n";
return 1;
}
struct stat st;
int res = stat ( "temp", &st);
if (st.st_size == 0)
remove ( "temp");
else
if (rename( "temp",BOOK_FILE_NAME) )
{
cout << "Canot rename temp file and update was incomplete"<<endl;
system("pause");
cout << "\n\n\n\n\n";
cout << "\t\t*************************************" <<endl;
cout << "\t\t** **" <<endl;
cout << "\t\t** Thank You **" <<endl;
cout << "\t\t** for using **" <<endl;
cout << "\t\t** The Librery System **" <<endl;
cout <<"\t\t** **" <<endl;
cout <<"\t\t**************************************" <<endl;
cout <<"\n\n\n\n";
return 1;
}
cout<< "\nDatabase Update compleded."<<endl;
system("pause");
}
system( "cls" );
cout << "\n\n\n\n\n";
cout << "\t\t*************************************" <<endl;
cout << "\t\t** **" <<endl;
cout << "\t\t** Thank You **" <<endl;
cout << "\t\t** for using **" <<endl;
cout << "\t\t** The Librery System **" <<endl;
cout <<"\t\t** **" <<endl;
cout <<"\t\t**************************************" <<endl;
cout <<"\n\n\n\n";
break;
}
return 0;
}
}
{
fs->close();
delete fs;
fs = NULL;
}
bool isFileExist( const char * file_name)
{
struct stat st;
int res = stat ( file_name, &st );
return ( res == 0);
}the errors
Error 3 error C2447: '{' : missing function header (old-style formal list?) Line 41
Error 7 error C2447: '{' : missing function header (old-style formal list?) Line 64
Error 10 error C2447: '{' : missing function header (old-style formal list?) Line 76
Error 11 error C2447: '{' : missing function header (old-style formal list?) Line 458
Error 2 error C2143: syntax error : missing ';' before '{' Line 41
Error 6 error C2143: syntax error : missing ';' before '{' Line 64
Error 9 error C2143: syntax error : missing ';' before '{' Line 76
Error 4 error C2059: syntax error : 'while' Line 58
Error 8 error C2059: syntax error : 'switch' Line 74
Error 5 error C2059: syntax error : 'if' Line 62
Error 1 error C2059: syntax error : 'do' Line 39I also have a login source code but i cannot input it . i mean when i put that it goes mad.its also added with the post.
and if any one can help me about calculating the records including the number of copies of the books its would be a great help.
again Thank you in advance.
//the code here is bit different then the new one
#include<iostream>
#include<fstream>
#include<string>
#include <stdlib.h>
#include <conio.h>
#include <ctime>
#include <sys/stat.h>
using namespace std;
const int PASSLEN= 6;
string passget();
struct Employee_Record
{
int id;
string name,age,gender,address;
string jobRole,dep,exp,date,salary;
bool deleted;
};
#define EMPLOYEE_FILE_NAME "Employee.txt"
int Auto = 100;
fstream *fs =NULL, *fs1=NULL;
bool deletion = false;
void closeFile(fstream *);
bool deletion = false;
int main()
{
ifstream input;
input.open("id.txt"),ios::in;
input>>Auto;
ofstream output;
string acc,password,MainPage;
cout<<"\n\n\n\n";
cout<<"Welcome to INTI LIBRERY"<<endl;
cout<<"\n\n\n\n";
cout<<"\t\tPlease Enter ID: \a";
cin>>acc;
cout<<"\tPlease Enter Password: ";
password=passget();
cout << "\n";
system("CLS");
if (acc == "abc" && password == "abc")
{
goto MainPage;
}
else
{
cout<<"\t\t\t* Please Enter a Valid Account!*\a"<<endl;
cout<<"\n";
cout<<"Please Enter ID: ";
cin>>acc;
cout<<"Please Enter Password: ";
password=passget();
cout<<"\n";
}
if (acc=="abc" && password=="abc")
{
goto MainPage;
}
else
{
cout<<"\n\n\t\tWrong ID and Password! Please contact Admin! \n\a\a";
cout<<"\n\n\n\n\t\t\t****System Terminated!!****\n\n\n";
goto exit;
system ("CLS");
}
}
/////at the end of the code
exit:
return 0;
MainPage:
system("CLS");
////function definition/////
}
system ("cls");
cout << "\n\n\n\n\n";
cout <<"\t\t bye "<< endl;
break;
}
return 0;
}
string passget()
{
char password[PASSLEN],letter;
int loop;
int len;
string password2;
loop=0;
while(loop != PASSLEN)
{
password[loop]= '\0';
loop++;
}
loop = 0;
len = 0;
letter = '\0';
while ( letter != '\r')
{
letter =_gtech();
if (letter == '\b' && password[0]=='\0')
{
loop = 0;
len =0;
}
else
{
if (letter =='\b' && password[0] != '\0')
{
cout<<"\b";
cout<<" ";
cout<<"\b";
loop--;
}
else
{
if (isprint (letter) != 0 && loop<PASSLEN)
{
password[loop]= tolower(letter);
cout<<"*";
}
loop++;
if (loop<=PASSLEN)
len++;
}
}
}
loop = 0;
len = len;
password2 = "";
while (loop !=len)
{
password2=password2+password[loop];
loop++;
}
return password2;
}
void closeFile (fstream *fs)
{
fs->close();
delete fs;
fs=NULL;
}
bool isFileExist(const char * file_name)
{
struct stat st;
int res= stat (file_name, &st);
return (res == 0);
return 0;
}