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nothings / single_file_libs

List of single-file C/C++ libraries.
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program #201

Closed sharmanityam252 closed 3 years ago

sharmanityam252 commented 3 years ago

Include the link to the library in your description, as well as in the PR itself.

sharmanityam252 commented 3 years ago

its coded by mee

sharmanityam252 commented 3 years ago

//*** // HEADER FILE USED IN PROJECT //****

include

include

include

include

include

include

//*** // CLASS USED IN PROJECT //****

class book { char bno[6]; char bname[50]; char aname[20]; public: void create_book() { cout<<"\nNEW BOOK ENTRY...\n"; cout<<"\nEnter The book no."; cin>>bno; cout<<"\n\nEnter The Name of The Book "; gets(bname); cout<<"\n\nEnter The Author's Name "; gets(aname); cout<<"\n\n\nBook Created.."; }

void show_book()
{
    cout<<"\nBook no. : "<<bno;
    cout<<"\nBook Name : ";
    puts(bname);
    cout<<"Author Name : ";
    puts(aname);
}

void modify_book()
{
    cout<<"\nBook no. : "<<bno;
    cout<<"\nModify Book Name : ";
    gets(bname);
    cout<<"\nModify Author's Name of Book : ";
    gets(aname);
}

char* retbno()
{
    return bno;
}

void report()
{cout<<bno<<setw(30)<<bname<<setw(30)<<aname<<endl;}

}; //class ends here

class student { char admno[6]; char name[20]; char stbno[6]; int token; public: void create_student() { clrscr(); cout<<"\nNEW STUDENT ENTRY...\n"; cout<<"\nEnter The admission no. "; cin>>admno; cout<<"\n\nEnter The Name of The Student "; gets(name); token=0; stbno[0]='/0'; cout<<"\n\nStudent Record Created.."; }

void show_student()
{
    cout<<"\nAdmission no. : "<<admno;
    cout<<"\nStudent Name : ";
    puts(name);
    cout<<"\nNo of Book issued : "<<token;
    if(token==1)
        cout<<"\nBook No "<<stbno;
}

void modify_student()
{
    cout<<"\nAdmission no. : "<<admno;
    cout<<"\nModify Student Name : ";
    gets(name);
}

char* retadmno()
{
    return admno;
}

char* retstbno()
{
    return stbno;
}

int rettoken()
{
    return token;
}

void addtoken()
{token=1;}

void resettoken()
{token=0;}

void getstbno(char t[])
{
    strcpy(stbno,t);
}

void report()
{cout<<"\t"<<admno<<setw(20)<<name<<setw(10)<<token<<endl;}

}; //class ends here

//*** // global declaration for stream object, object //****

fstream fp,fp1; book bk; student st;

//*** // function to write in file //****

void write_book() { char ch; fp.open("book.dat",ios::out|ios::app); do { clrscr(); bk.create_book(); fp.write((char*)&bk,sizeof(book)); cout<<"\n\nDo you want to add more record..(y/n?)"; cin>>ch; }while(ch=='y'||ch=='Y'); fp.close(); }

void write_student() { char ch; fp.open("student.dat",ios::out|ios::app); do { st.create_student(); fp.write((char*)&st,sizeof(student)); cout<<"\n\ndo you want to add more record..(y/n?)"; cin>>ch; }while(ch=='y'||ch=='Y'); fp.close(); }

//*** // function to read specific record from file //****

void display_spb(char n[]) { cout<<"\nBOOK DETAILS\n"; int flag=0; fp.open("book.dat",ios::in); while(fp.read((char*)&bk,sizeof(book))) { if(strcmpi(bk.retbno(),n)==0) { bk.show_book(); flag=1; } }

fp.close();
if(flag==0)
    cout<<"\n\nBook does not exist";
getch();

}

void display_sps(char n[]) { cout<<"\nSTUDENT DETAILS\n"; int flag=0; fp.open("student.dat",ios::in); while(fp.read((char*)&st,sizeof(student))) { if((strcmpi(st.retadmno(),n)==0)) { st.show_student(); flag=1; } }

fp.close();
if(flag==0)
        cout<<"\n\nStudent does not exist";
 getch();

}

//*** // function to modify record of file //****

void modify_book() { char n[6]; int found=0; clrscr(); cout<<"\n\n\tMODIFY BOOK REOCORD.... "; cout<<"\n\n\tEnter The book no. of The book"; cin>>n; fp.open("book.dat",ios::in|ios::out); while(fp.read((char)&bk,sizeof(book)) && found==0) { if(strcmpi(bk.retbno(),n)==0) { bk.show_book(); cout<<"\nEnter The New Details of book"<<endl; bk.modify_book(); int pos=-1sizeof(bk); fp.seekp(pos,ios::cur); fp.write((char*)&bk,sizeof(book)); cout<<"\n\n\t Record Updated"; found=1; } }

    fp.close();
    if(found==0)
        cout<<"\n\n Record Not Found ";
    getch();

}

void modify_student() { char n[6]; int found=0; clrscr(); cout<<"\n\n\tMODIFY STUDENT RECORD... "; cout<<"\n\n\tEnter The admission no. of The student"; cin>>n; fp.open("student.dat",ios::in|ios::out); while(fp.read((char)&st,sizeof(student)) && found==0) { if(strcmpi(st.retadmno(),n)==0) { st.show_student(); cout<<"\nEnter The New Details of student"<<endl; st.modify_student(); int pos=-1sizeof(st); fp.seekp(pos,ios::cur); fp.write((char*)&st,sizeof(student)); cout<<"\n\n\t Record Updated"; found=1; } }

fp.close();
if(found==0)
    cout<<"\n\n Record Not Found ";
getch();

}

//*** // function to delete record of file //****

void delete_student() { char n[6]; int flag=0;
clrscr(); cout<<"\n\n\n\tDELETE STUDENT..."; cout<<"\n\nEnter The admission no. of the Student You Want To Delete : "; cin>>n; fp.open("student.dat",ios::in|ios::out); fstream fp2; fp2.open("Temp.dat",ios::out); fp.seekg(0,ios::beg); while(fp.read((char)&st,sizeof(student))) { if(strcmpi(st.retadmno(),n)!=0) fp2.write((char)&st,sizeof(student)); else flag=1; }

fp2.close();
    fp.close();
    remove("student.dat");
    rename("Temp.dat","student.dat");
    if(flag==1)
         cout<<"\n\n\tRecord Deleted ..";
    else
         cout<<"\n\nRecord not found";
    getch();

}

void delete_book() { char n[6]; clrscr(); cout<<"\n\n\n\tDELETE BOOK ..."; cout<<"\n\nEnter The Book no. of the Book You Want To Delete : "; cin>>n; fp.open("book.dat",ios::in|ios::out); fstream fp2; fp2.open("Temp.dat",ios::out); fp.seekg(0,ios::beg); while(fp.read((char)&bk,sizeof(book))) { if(strcmpi(bk.retbno(),n)!=0)
{ fp2.write((char)&bk,sizeof(book)); } }

fp2.close();
    fp.close();
    remove("book.dat");
    rename("Temp.dat","book.dat");
    cout<<"\n\n\tRecord Deleted ..";
    getch();

}

//*** // function to display all students list //****

void display_alls() { clrscr(); fp.open("student.dat",ios::in); if(!fp) { cout<<"ERROR!!! FILE COULD NOT BE OPEN "; getch(); return; }

cout<<"\n\n\t\tSTUDENT LIST\n\n";
cout<<"==================================================================\n";
cout<<"\tAdmission No."<<setw(10)<<"Name"<<setw(20)<<"Book Issued\n";
cout<<"==================================================================\n";

while(fp.read((char*)&st,sizeof(student)))
{
    st.report();
}

fp.close();
getch();

}

//*** // function to display Books list //****

void display_allb() { clrscr(); fp.open("book.dat",ios::in); if(!fp) { cout<<"ERROR!!! FILE COULD NOT BE OPEN "; getch(); return; }

cout<<"\n\n\t\tBook LIST\n\n";
cout<<"=========================================================================\n";
cout<<"Book Number"<<setw(20)<<"Book Name"<<setw(25)<<"Author\n";
cout<<"=========================================================================\n";

while(fp.read((char*)&bk,sizeof(book)))
{
    bk.report();
}
     fp.close();
     getch();

}

//*** // function to issue book //****

void book_issue() { char sn[6],bn[6]; int found=0,flag=0; clrscr(); cout<<"\n\nBOOK ISSUE ..."; cout<<"\n\n\tEnter The student's admission no."; cin>>sn; fp.open("student.dat",ios::in|ios::out); fp1.open("book.dat",ios::in|ios::out); while(fp.read((char)&st,sizeof(student)) && found==0) { if(strcmpi(st.retadmno(),sn)==0) { found=1; if(st.rettoken()==0) { cout<<"\n\n\tEnter the book no. "; cin>>bn; while(fp1.read((char)&bk,sizeof(book))&& flag==0) { if(strcmpi(bk.retbno(),bn)==0) { bk.show_book(); flag=1; st.addtoken(); st.getstbno(bk.retbno()); int pos=-1sizeof(st); fp.seekp(pos,ios::cur); fp.write((char)&st,sizeof(student)); cout<<"\n\n\t Book issued successfully\n\nPlease Note: Write current date in backside of book and submit within 15 days fine Rs. 1 for each day
after 15 days period"; } } if(flag==0) cout<<"Book no does not exist"; } else cout<<"You have not returned the last book ";

    }
}
      if(found==0)
    cout<<"Student record not exist...";
getch();
  fp.close();
  fp1.close();

}

//*** // function to deposit book //****

void book_deposit() { char sn[6],bn[6]; int found=0,flag=0,day,fine; clrscr(); cout<<"\n\nBOOK DEPOSIT ..."; cout<<"\n\n\tEnter The student’s admission no."; cin>>sn; fp.open("student.dat",ios::in|ios::out); fp1.open("book.dat",ios::in|ios::out); while(fp.read((char)&st,sizeof(student)) && found==0) { if(strcmpi(st.retadmno(),sn)==0) { found=1; if(st.rettoken()==1) { while(fp1.read((char)&bk,sizeof(book))&& flag==0) { if(strcmpi(bk.retbno(),st.retstbno())==0) { bk.show_book(); flag=1; cout<<"\n\nBook deposited in no. of days"; cin>>day; if(day>15) { fine=(day-15)1; cout<<"\n\nFine has to deposited Rs. "<<fine; } st.resettoken(); int pos=-1sizeof(st); fp.seekp(pos,ios::cur); fp.write((char*)&st,sizeof(student)); cout<<"\n\n\t Book deposited successfully"; } } if(flag==0) cout<<"Book no does not exist"; } else cout<<"No book is issued..please check!!"; } } if(found==0) cout<<"Student record not exist..."; getch(); fp.close(); fp1.close(); }

//*** // INTRODUCTION FUNCTION //****

void intro() { clrscr(); gotoxy(35,11); cout<<"LIBRARY"; gotoxy(35,14); cout<<"MANAGEMENT"; gotoxy(35,17); cout<<"SYSTEM"; cout<<"\n\nMADE BY : YOUR NAME"; cout<<"\n\nSCHOOL : SCHOOL NAME"; getch(); }

//*** // ADMINISTRATOR MENU FUNCTION //****

void admin_menu() { clrscr(); int ch2; cout<<"\n\n\n\tADMINISTRATOR MENU"; cout<<"\n\n\t1.CREATE STUDENT RECORD"; cout<<"\n\n\t2.DISPLAY ALL STUDENTS RECORD"; cout<<"\n\n\t3.DISPLAY SPECIFIC STUDENT RECORD "; cout<<"\n\n\t4.MODIFY STUDENT RECORD"; cout<<"\n\n\t5.DELETE STUDENT RECORD"; cout<<"\n\n\t6.CREATE BOOK "; cout<<"\n\n\t7.DISPLAY ALL BOOKS "; cout<<"\n\n\t8.DISPLAY SPECIFIC BOOK "; cout<<"\n\n\t9.MODIFY BOOK "; cout<<"\n\n\t10.DELETE BOOK "; cout<<"\n\n\t11.BACK TO MAIN MENU"; cout<<"\n\n\tPlease Enter Your Choice (1-11) "; cin>>ch2; switch(ch2) { case 1: clrscr(); write_student();break; case 2: display_alls();break; case 3: char num[6]; clrscr(); cout<<"\n\n\tPlease Enter The Admission No. "; cin>>num; display_sps(num); break; case 4: modify_student();break; case 5: delete_student();break; case 6: clrscr(); write_book();break; case 7: display_allb();break; case 8: { char num[6]; clrscr(); cout<<"\n\n\tPlease Enter The book No. "; cin>>num; display_spb(num); break; } case 9: modify_book();break; case 10: delete_book();break; case 11: return; default:cout<<"\a"; } admin_menu(); }

//*** // THE MAIN FUNCTION OF PROGRAM //****

void main() { char ch; intro(); do { clrscr(); cout<<"\n\n\n\tMAIN MENU"; cout<<"\n\n\t01. BOOK ISSUE"; cout<<"\n\n\t02. BOOK DEPOSIT"; cout<<"\n\n\t03. ADMINISTRATOR MENU"; cout<<"\n\n\t04. EXIT"; cout<<"\n\n\tPlease Select Your Option (1-4) "; ch=getche(); switch(ch) { case '1':clrscr(); book_issue(); break; case '2':book_deposit(); break; case '3':admin_menu(); break; case '4':exit(0); default :cout<<"\a"; } }while(ch!='4'); }

// // END OF PROJECT //