ATP4.CPP

#include<fstream.h>
#include<conio.h>
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#include<iomanip.h>
#define o2 gotoxy(32,5);  \
	cout<<"I.R.C.T.C.";
#define o3 gotoxy(28,3);       \
	cout<<"I.R.C.T.C.";\
	gotoxy(43,4); \
	cout<<"ID :"<<id;
#define o4 ifstream f("stainfo.dat",ios::binary);    \
		station ob;                          \
		while(f.read((char *)&ob,sizeof(ob)))\
		{       i++;\
			char n[50];                   \
			int l;                         \
			ob.ret_info(l,n);               \
			gotoxy(j+1,8+i);                   \
			cout<<"-"<<setiosflags(ios::left)<<setw(10)<<n<<l;\
		} \
		f.close();
class idc
{	private:
		int i;
	public:
		idc()
		{
		}
		idc(int a)
		{	i=a;
		}
		int ret_id()
		{	return i;
		}
};
class pas
{       private:
		char na[50],had[50];  //home address
		int age,id;
		void enter_id()
		{	ofstream f("id.dat",ios::binary|ios::app);
			idc ob(id);
			f.write((char *)&ob,sizeof(ob));
			f.close();
		}
		void create_id();
	public:
		void create_ob()
		{	clrscr();
			o2;
			gotoxy(14,7);
			cout<<"ENTER THE FOLLOWING DETAILS -";
			gotoxy(13,9);
			cout<<"-NAME :";
			gets(na);
			gotoxy(13,10);
			cout<<"-HOME ADDRESS :";
			gets(had);
			gotoxy(13,11);
			cout<<"-AGE :";
			cin>>age;
			create_id();
			show();
		}
		void show()
		{	clrscr();
			o2;
			gotoxy(14,7);
			cout<<"DETAILS ARE-";
			gotoxy(13,9);
			cout<<"-NAME :"<<na;
			gotoxy(13,10);
			cout<<"-HOME ADDRESS :"<<had;
			gotoxy(13,11);
			cout<<"-AGE :"<<age;
			gotoxy(13,12);
			cout<<"-ID :"<<id;
			gotoxy(14,14);
			cout<<"PLEASE REMEBER YOUR ID !!";
			getch();
		}
		int ret_id()
		{	return id;
		}
};
void pas::create_id()
{	ifstream f("id.dat",ios::binary);
	idc ob;
	int flag;
	do
	{       flag=0;
		randomize();
		id=random(100);
		while(f.read((char *)&ob,sizeof(ob)))
		{	if(ob.ret_id()==id)
			{	flag=1;
				break;
			}
		}
	}while(flag==1 || id==0);
	f.close();
	enter_id();
}
int pas_login()
{       int l;
	clrscr();
	o2;
	gotoxy(13,8);
	cout<<"-ENTER ID :";
	cin>>l;
	ifstream f("id.dat",ios::binary);
	idc o;
	while(f.read((char *)&o,sizeof(o)))
		if(o.ret_id()==l)
			return l;
	gotoxy(14,10);
	cout<<"ERROR INCORRECT ID!!";
	getch();
	return 0;
}
class station
{	private:
		int stno,n,tr[10];
		char stname[50];
	public:
		station()
		{
		}
		station(int a,char n[50])
		{	stno=a;
			strcpy(stname,n);
		}
		void ret_info(int &a,char n[50])
		{	a=stno;
			strcpy(n,stname);
		}
		void create_ob(int a[10],int no);
		int ret_stno()
		{	return stno;
		}
		int ret_n()
		{	return n;
		}
		int ret_trnno(int a)
		{	return tr[a];
		}
};
void station::create_ob(int a[10],int no)
{	n=no;
	for(int i=0;i<no;i++)
		tr[i]=a[i];
}
void get_st(int &st1,int &st2,int id)
{	for(int flag=0;;)
	{	clrscr();
		int i=0,j=12;
		o4;
		if(i==0)
		{	clrscr();
			o3;
			gotoxy(13,9);
			cout<<"ERROR!! NO TRAINS FOUND";
			getch();
			break;
		}
		o3;
		gotoxy(14,6);
		cout<<"FROM STATION :";
		gotoxy(14,8);
		cout<<"NAME";
		gotoxy(24,8);
		cout<<"NO.";
		for(int k=1;k<=i;k++)
			if(st1==k)
			{	gotoxy(j,8+k);
				break;
			}
		cout<<"->";
		if(flag==1)
		{       j=41;
			i=0;
			gotoxy(43,6);
			cout<<"TO STATION :";
			gotoxy(43,8);
			cout<<"NAME";
			gotoxy(53,8);
			cout<<"NO.";
			o4;
			for(k=1;k<=i;k++)
				if(st2==k)
				{	gotoxy(j,8+k);
					break;
				}
			cout<<"->";
			int a=getch();
			if(a==13)
				break;
			else if(a==0)
			{	a=getch();
				if(a==80 && st2!=i)
				st2++;
				else if(a==72 && st2!=1)
				st2--;
			}
		}
		else
		{	int a=getch();
			if(a==13)
				flag=1;
			else if(a==0)
			{	a=getch();
				if(a==80 && st1!=i)
					st1++;
				else if(a==72 && st1!=1)
					st1--;
			}
		}

	}
}
class trains
{	private:
		int tno,st[10],n;    //n-no of stations
	public:
		trains()
		{
		}
		trains(int a[10],int b,int c);
		int check(int a,int b);
		int ret_trno()
		{	return tno;

		}
};
void trains::trains(int a[10],int b,int c)
{       tno=c;
	n=b;
	for(int i=0;i<n;i++)
		st[i]=a[i];
}
int trains::check(int a,int b)
{	if(a!=tno)
		return 0;
	for(int i=0;i<n;i++)
		if(st[i]==b)
			return 1;
	return 0;
}
void booktic(int id)
{	int st1=1,st2=1,tr[10],n,j=0;
	get_st(st1,st2,id);
	ifstream f("stainfo.dat",ios::binary);
	station ob;
	f.seekg((st2-1)*sizeof(ob),ios::beg);
	f.read((char *)&ob,sizeof(ob));
	st2=ob.ret_stno();
	f.seekg((st1-1)*sizeof(ob),ios::beg);
	f.read((char *)&ob,sizeof(ob));
	st1=ob.ret_stno();
	n=ob.ret_n();
	for(int i=0;i<n;i++)
	{	int a=ob.ret_trnno(i);
		ifstream f("trn.dat",ios::binary);
		trains ob2;
		while(f.read((char *)&ob2,sizeof(ob2)))
			if(ob2.check(a,st2)==1)
			{	tr[j]=ob2.ret_trno();
				j++;
				break;
			}
	}
	clrscr();
	for(i=0;i<n;i++)
		cout<<tr[i]<<" ";
	cout<<endl<<n;
	getch();
}
void pas_main()
{	int id=pas_login();
	if(id!=0)
	{	for(int a=1;;)
		{	clrscr();
			o3;
			gotoxy(32,7);
			cout<<"MENU";
			gotoxy(13,9);
			cout<<"-BOOK A TICKET";
			gotoxy(13,10);
			cout<<"-VIEW BOOKED TICKETS";
			gotoxy(13,11);
			cout<<"-CHECK PNR STATUS";
			gotoxy(13,12);
			cout<<"-EXIT";
			if(a==1)
				gotoxy(12,9);
			else if(a==2)
				gotoxy(12,10);
			else if(a==3)
				gotoxy(12,11);
			else if(a==4)
				gotoxy(12,12);
			cout<<"->";
			int b=getch();
			if(b==13)
				break;
			else if(b==0)
			{	b=getch();
				if(b==80 && a!=4)
					a++;
				else if(b==72 && a!=1)
					a--;
			}
		}
		if(a==1)
			booktic(id);
	}
}
void main()
{    /*   int a[10];
	a[0]=2;
	a[1]=3;
	trains ob(a,2,7);
	ofstream f("trn.dat",ios::binary);
	f.write((char *)&ob,sizeof(ob));
	int a[10];
	a[0]=7;
	station ob1(2,"A"),ob2(3,"B");
	ob1.create_ob(a,1);
	ob2.create_ob(a,1);
	ofstream f("stainfo.dat",ios::binary|ios::app);
	f.write((char *)&ob1,sizeof(ob1));
	f.write((char *)&ob2,sizeof(ob2));  */
	pas_main();
}