Program !

[aks rajendra]

#include<stdlib.h>
#include<iostream>
#include<cstring>
#include<fstream>
#include<string>
#include<unistd.h>
using namespace std;
class details
{
int employeeid;
char designation[20];
int experience;
public:
void getdetails()
{
cout<<"\n employee id: ";
cin>>employeeid;
cout<<"\n designation: ";
cin>>designation;
cout<<"\n Years of experience :";
cin>>experience;
}
void showdetails()
{
cout<<"\n\n Displaying Details";
cout<<"-----------------------";
cout<<employeeid<<" is the employee id";
cout<<"\n Designation is "<<designation;
cout<<"\n Years of Experience is "<<experience;
}
};
class rw_details
{
private:
details buffer;
public:
int aflag;
void readdetails();
void writedetails();
};
class leave
{
public:

char i_username[20];
char i_password[20];
char username[20];
char password[20];
int i;
int flag;
string line;
void getusername()
{
cout<<"\nEnter username ";
cin>>i_username;
cout<<"\nEnter password ";
cin>>i_password;
}
void match()
{
flag=0;
ifstream myfile("pro1",ios::out);
while(!myfile.eof())
{
getline(myfile,line);
for(i=0;i<line.length();i++)
username[i]=line[i];
username[i]='\0';
if(!strcmp(username,i_username))
{
getline(myfile,line);
for(i=0;i<line.length();i++)
password[i]=line[i];
password[i]='\0';
if(!strcmp(password,i_password))
{
flag = 1;
break;
}
}
}
if ( flag == 1)
{
cout<<"\n\n username & password matches";
cout<<"\n\n You are Logined as a user";
}
else

{
cout<<"\n\nEnter Correct username & password";
}
myfile.close();
}
};
void rw_details::readdetails()
{
aflag=0;
char i_admin[20],i_admin_pass[20];
char admin[20]="admin";
char admin_pass[20]="admin";
cout<<"\n Enter admin Username";
cin>>i_admin;
cout<<"\n Enter admin password";
cin>>i_admin_pass;
if(!strcmp(i_admin,admin))
{
if(!strcmp(i_admin_pass,admin_pass))
{
ofstream ofile("details.txt",ios::app);
char op;
cout<<"\n Do You want to add a record";
cin>>op;
while(op=='y')
{
buffer.getdetails();
ofile.write((char *)&buffer,sizeof(buffer));
cout<<"\n\n do you need to add one more";
cin>>op;
}
}
}

aflag=1;

if ( aflag == 1)
{
cout<<"\n\n username & password matches";
cout<<"\n\n You are Logined as an admin";
}
else
{

cout<<"\n\nEnter Correct admin username & password";
}

}
void rw_details::writedetails()
{
if(aflag==1)
{
ifstream in("details.txt");
in.read((char *)&buffer,sizeof(buffer));
while(in)
{
buffer.showdetails();
in.read((char *)&buffer,sizeof(buffer));
}
}
}
class apply_leave
{
public:
int a_empid;
char reason[20];
int no_of_days;
int max_leave;
char ch;
char app[20];
int a_aflag;
void apply()
{
cout<<"\n\n Employee id: ";
cin>>a_empid;
cout<<"\n Reason: ";
cin>>reason;
cout<<"\n Number of days on leave: ";
cin>>no_of_days;
}
void display()
{
max_leave=3;
strcpy(app,"Approved");
cout<<"\n\nLeave details of employee "<<a_empid;
cout<<"\nReason for leave "<<reason;
cout<<"\n Number of days of leave required "<<no_of_days;

if(no_of_days<=max_leave)
{
cout<<"\n The leave is "<<app;
}
else
{

a_aflag=0;
char i_admin[20],i_admin_pass[20];
char admin[20]="admin";
char admin_pass[20]="admin";
cout<<"\n Enter admin Username ";
cin>>i_admin;
cout<<"\n Enter admin password ";
cin>>i_admin_pass;
if(!strcmp(i_admin,admin))
{
if(!strcmp(i_admin_pass,admin_pass))
{
a_aflag=1;
cout<<"\nNumber of days of leave requested "<<no_of_days;
cout<<"\nDo you want to approve the employee's leave
request(y/n)? ";
cin>>ch;
if(ch!='y')
{
strcpy(app,"Rejected");
}
}
}


if ( a_aflag == 1)
{
cout<<"\n Approval status processing...";
}
else
{
cout<<"\n Access denied";
}

}
cout<<"\n The leave is "<<app;
}

file_leave b;
int choice;
cout<<"\n<----------Leave Management System---------->";
cout<<"\n 1.Login";
cout<<"\n 2.Add details(admin)";
cout<<"\n 3.Apply For Leave(user)";
cout<<"\n 4.Employee leave request view & approval(user/admin)";
cout<<"\n What do you want to do?";
cout<<"\n\n Enter your choice!";
cin>>choice;
while(choice>0 && choice<5)
{
switch(choice)
{
case 1:
l.getusername();
l.match();
break;
case 2:
r.readdetails();
r.writedetails();
break;
case 3:
b.b_getusername();
b.write();
break;
case 4:
b.read();
break;
default:
break;
}
cout<<"\n\n Do you want to continue";
system("clear");
system("./a.out");
cout<<"\n\n Enter Your choice";
cin>>choice;
}
return 0;
}

[wipro2@wipro-e6170f952 vick]$ vi projecti1.cpp
[wipro2@wipro-e6170f952 vick]$ vi projecti1.cpp
};
class file_leave
{
private:
apply_leave c;
public:
int a_flag,i;
string line;
char i_username[20];
char i_password[20];
char username[20];
char password[20];
void b_getusername()
{
cout<<"\nEnter username ";
cin>>i_username;
cout<<"\nEnter password ";
cin>>i_password;
}
void write()
{
a_flag=0;
ifstream myfile("pro1",ios::out);
while(!myfile.eof())
{
getline(myfile,line);
for(i=0;i<line.length();i++)
username[i]=line[i];
username[i]='\0';
if(!strcmp(username,i_username))
{
getline(myfile,line);
for(i=0;i<line.length();i++)
password[i]=line[i];
password[i]='\0';
if(!strcmp(password,i_password))
{
a_flag = 1;
ofstream of("Lfile.dat",ios::app);
c.apply();
of.write((char*)&c,sizeof(c));
}
}

leave l;
file_leave b;
int choice;
cout<<"\n<----------Leave Management System---------->";
cout<<"\n 1.Login";
cout<<"\n 2.Add details(admin)";
cout<<"\n 3.Apply For Leave(user)";
cout<<"\n 4.Employee leave request view & approval(user/admin)";
cout<<"\n What do you want to do?";
cout<<"\n\n Enter your choice!";
cin>>choice;
while(choice>0 && choice<5)
{
switch(choice)
{
case 1:
l.getusername();
l.match();
break;
case 2:
r.readdetails();
r.writedetails();
break;
case 3:
b.b_getusername();
b.write();
break;
case 4:
b.read();
break;
default:
break;
}
cout<<"\n\n Do you want to continue";
system("clear");
system("./a.out");
cout<<"\n\n Enter Your choice";
cin>>choice;
}
return 0;
}

[wipro2@wipro-e6170f952 vick]$ vi projecti1.cpp
[wipro2@wipro-e6170f952 vick]$ vi projecti1.cpp
}

if ( a_flag == 1)
{
cout<<"\n\n Username & password matches";
cout<<"\n\n You are Logged-in as a user";
}
else
{
cout<<"\n\nEnter Correct username & password";
}
myfile.close();
}
void read()
{
char i_admin[20],i_admin_pass[20];
char admin[20]="admin";
char admin_pass[20]="admin";
cout<<"\n Enter admin Username ";
cin>>i_admin;
cout<<"\n Enter admin password ";
cin>>i_admin_pass;
if(!strcmp(i_admin,admin))
{
if(!strcmp(i_admin_pass,admin_pass))
{

ifstream fo("Lfile.dat");
fo.read((char*)&c,sizeof(c));
while(fo)
{
c.display();
fo.read((char*)&c,sizeof(c));
}

}
}
}
};
int main()
{
leave l;
file_leave b;
int choice;
cout<<"\n<----------Leave Management System---------->";
cout<<"\n 1.Login";
cout<<"\n 2.Add details(admin)";
cout<<"\n 3.Apply For Leave(user)";
cout<<"\n 4.Employee leave request view & approval(user/admin)";
cout<<"\n What do you want to do?";
cout<<"\n\n Enter your choice!";
cin>>choice;
while(choice>0 && choice<5)
{
switch(choice)
{
case 1:
l.getusername();
l.match();
break;
case 2:
r.readdetails();
r.writedetails();
break;
case 3:
b.b_getusername();
b.write();
break;
case 4:
b.read();
break;
default:
break;
}
cout<<"\n\n Do you want to continue";
system("clear");
system("./a.out");
cout<<"\n\n Enter Your choice";
cin>>choice;
}
return 0;
}

[wipro2@wipro-e6170f952 vick]$ vi projecti1.cpp
[wipro2@wipro-e6170f952 vick]$ vi projecti1.cpp
rw_details r;
leave l;
file_leave b;
int choice;
cout<<"\n<----------Leave Management System---------->";
cout<<"\n 1.Login";
cout<<"\n 2.Add details(admin)";
cout<<"\n 3.Apply For Leave(user)";
cout<<"\n 4.Employee leave request view & approval(user/admin)";
cout<<"\n What do you want to do?";
cout<<"\n\n Enter your choice!";
cin>>choice;
while(choice>0 && choice<5)
{
switch(choice)
{
case 1:
l.getusername();
l.match();
break;
case 2:
r.readdetails();
r.writedetails();
break;
case 3:
b.b_getusername();
b.write();
break;
case 4:
b.read();
break;
default:
break;
}
cout<<"\n\n Do you want to continue";
system("clear");
system("./a.out");
cout<<"\n\n Enter Your choice";
cin>>choice;
}
return 0;
}