Telephone Directory System.cpp

// TELEPHONE DIRECTORY SYSTEM

#include <iostream.h>
#include <fstream.h>
#include <iomanip.h>
#include <string.h>
#include <stdlib.h>
#include <conio.h>
#include <stdio.h>
#include <iomanip.h>
#include <graphics.h>
#include <dos.h>

class stud
{
public:
	char name[20];

	char address[20];

	unsigned int ph_no;

	void get(void);

	void show(void);

	void modify(void);
};

void stud::get(void)

{

	int i = 0;

	cout << "\n             Enter name -> ";

	cin.get(name[i]);

	while (name[i] != '\n')
	{
		i = i + 1;

		cin.get(name[i]);
	}
	cin.getline(name, 20, '\n');

	cout << "             Enter address	-> ";

	cin.getline(address, 20, '\n');

	fflush(stdin);

	cout << "             Enter ph_no\t-> \t";

	cin >> ph_no;

	fflush(stdin);
}

void stud::show(void)

{

	cout << "\n";

	cout << "             NAME      :"
		 << "\t" << name << "\n";

	cout << "             ADDRESS   :"
		 << "\t" << address << "\n";

	cout << "             Ph_No     :"
		 << "\t" << ph_no << "\n";
}

void main()

{

	int gdriver = DETECT, gmode, errorcode;

	int x, y;

	int midx, midy;

	/* initialize graphics and local variables */

	initgraph(&gdriver, &gmode, "c:\\turboc3\\bgi");

	/* read result of initialization */

	errorcode = graphresult();

	if (errorcode != grOk) /* an error occurred */
	{
		printf("Graphics error: %s\n", grapherrormsg(errorcode));

		printf("Press any key to halt:");

		getch();

		exit(1); /* terminate with an error code */

		closegraph();
	}

y:

	char *pass = "RPV";

	char *ppass;

	gotoxy(25, 8);

	int size = 7;

	settextstyle(7, 0, size);

	setbkcolor(BLUE);

	setcolor(WHITE);

	outtextxy(180, 50, "WELCOME");

	setcolor(WHITE);

	outtextxy(250, 200, "TO");

	settextstyle(8, 0, 5);

	setfillstyle(1, DARKGRAY);

	setcolor(WHITE);

	outtextxy(60, 350, "\n\nTELEPHONE DIRECTORY");

	getch();

	clearviewport();

	settextstyle(3, 0, 4);

	settextstyle(7, 0, 4);

	getch();

	clearviewport();

g:

	ppass = getpass("ENTER THE PASSWORD::");

	if (strcmpi(pass, ppass) != 0)
	{
		cout << "\n\t\t\tIncorrect password";

		cout << "\n\t\t\tTry again";

		getchar();

		goto g;
	}
	else
	{

		stud s;

		char name[20];

		char name1[20];

		int ch;

		clrscr();

		setbkcolor(BLUE);

		setcolor(YELLOW);

		closegraph();

	z:

		cout << "\n\n\n\n\n\n\n\n\n";

		initgraph(&gdriver, &gmode, "c:\\turboc3\\bgi");

		setcolor(BLUE);

		rectangle(60, 10, 600, 400);

		setfillstyle(1, YELLOW);

		bar(61, 11, 599, 399);

		outtextxy(200, 30, " HELP -> PRESS ANY KEY 1 TO 6 ");

		settextstyle(TRIPLEX_FONT, HORIZ_DIR, 4);

		outtextxy(220, 50, "\n\n1. TO ADD ");

		setcolor(BLUE);

		settextstyle(TRIPLEX_FONT, HORIZ_DIR, 4);

		outtextxy(220, 100, "\n\n2. TO SHOW ");

		setcolor(BLUE);

		settextstyle(TRIPLEX_FONT, HORIZ_DIR, 4);

		outtextxy(220, 150, "\n\n3. TO SEARCH ");

		setcolor(BLUE);

		settextstyle(TRIPLEX_FONT, HORIZ_DIR, 4);

		outtextxy(220, 200, "4.\n\n TO MODIFY ");
		setcolor(BLUE);
		settextstyle(TRIPLEX_FONT, HORIZ_DIR, 4);
		outtextxy(220, 250, "\n\n\n5. TO DELETE ");
		setcolor(BLUE);
		settextstyle(TRIPLEX_FONT, HORIZ_DIR, 4);
		outtextxy(220, 300, "\n\n\n6. TO EXIT ");

		settextstyle(TRIPLEX_FONT, HORIZ_DIR, 3);

		outtextxy(220, 350, " Enter the choice ->");

		gotoxy(62, 23);

		cin >> ch;

		switch (ch)
		{
		case 1: // responsible for addition of record
		{
			clrscr();

			fstream f;

			f.open("rec", ios::in | ios::out | ios::ate | ios::app | ios::binary);
			char ans;

			s.get();
			f.write((char *)&s, sizeof(s));
			clrscr();
			outtextxy(250, 360, "   Do you want to continue:- ");
			ans = getche();
			if (ans == 'Y' || ans == 'y')
			{
				goto z;
			}
			f.close();

			break;
		}
		case 2: // will show all the contents of the file
		{
			clrscr();
			cout << "\n\n";
			fstream f;
			f.open("rec", ios::in | ios::out | ios::ate | ios::app | ios::binary);

			f.seekg(0);
			int ctr = 0;

			while (f.read((char *)&s, sizeof(s)))
			{
				ctr = ctr + 1;

				if (ctr == 8)
				{
					getchar();
					clrscr();
					ctr = 0;
				}
				s.show();

				if (f.eof() == 1)
				{
					break;
				}
			}
			f.close();
			outtextxy(240, 350, "   Do you want to continue :-");

			char ans;
			ans = getche();
			if (ans == 'y' || ans == 'Y')
			{
				closegraph();
				goto z;
			}
			else
			{
				exit(1);
			}
		}

		case 3: // search
		{

			gotoxy(60, 25);
			clearviewport();
			rectangle(10, 10, 630, 470);
			setbkcolor(DARKGRAY);
			textbackground(3);
			textcolor(5);
			clrscr();
			char ans;
			ifstream f;
			stud s;
			char name[20];
			char address[20];
			unsigned int ph_no;
			f.open("rec", ios::in | ios::binary);
			cout << "\n\n\n  Enter  name  whose record to be search  :";
			cin >> name;
			do
			{
				f.read((char *)&s, sizeof(s));
				if (f.eof() == 1)
				{
					break;
				}
				if (strcmpi(s.name, name) == 0)
				{
					cout << "\n                 Name     :" << s.name;
					cout << "\n                 address   :" << s.address;
					cout << "\n                 phone_no    :" << s.ph_no;
					getchar();
				}
			} while (f);
			f.close();
			settextstyle(7, 0, 1);
			outtextxy(250, 410, "Do You Want To Continue:");
			ans = getchar();
			if (ans == 'Y' || ans == 'y')
				goto z;
			else
			{
				closegraph();
				break;
			}

		case 4: // for the modification
		{
			clrscr();
			char ans;
			fstream f;
			stud s;
			char name[20];
			char address[20];
			unsigned int ph_no;
			f.open("rec", ios::in | ios::binary);
			cout << "\n\n\n          Enter person ph_no whose record to be changed  :";
			cin >> ph_no;
			do
			{
				f.read((char *)&s, sizeof(s));
				if (f.eof() == 1)
				{
					break;
				}

				if (s.ph_no == ph_no)
				{
					cout << "\n                Current Name       :" << s.name;
					cout << "\n                Current Address    :" << s.address;
					cout << "\n                Current Phone No   :" << s.ph_no;
					getchar();
					cout << "\n                Enter the new name :";
					cin >> name;
					cout << "\n                Enter the city     :";
					cin >> address;
					cout << "\n                Enter new ph_no    :";
					cin >> ph_no;
					strcpy(s.name, name);
					strcpy(s.address, address);
					s.ph_no = ph_no;
					int l = f.tellg();
					f.close();
					f.open("rec", ios::out | ios::binary | ios::ate);
					f.seekg(l - sizeof(s));
					f.write((char *)&s, sizeof(s));
				}
			} while (f);
			f.close();
			outtextxy(290, 360, "   Do you want to continue :-");
			ans = getche();
			if (ans == 'Y' || ans == 'y')
			{
				goto z;
			}
			break;
		}

		case 5: // responsible for the deletion of the record
		{
			clrscr();
			char name[20];
			stud s;
			ifstream fin;
			fstream fout;
			fin.open("rec", ios::in | ios::binary);
			fout.open("va", ios::app | ios::binary);
			cout << "\n \t\t\t  DELETING :-";
			int i;
			fflush(stdin);
			cout << "\n\n      Enter the name  :-  ";
			cin.get(name[i]);
			while (name[i] != '\n')
			{
				i = i + 1;
				cin.get(name[i]);
			}

			fflush(stdin);
			fflush(stdout);
			cin.getline(name, 20, '\n');
			while (fin)
			{
				fin.read((char *)&s, sizeof(s));
				if (strcmp(s.name, name) == 0)
				{
					fout.read((char *)&s, sizeof(s));
				}
				else
				{
					if (fin.eof() == 1)
					{
						break;
					}
					fout.write((char *)&s, sizeof(s));
				}
			}
			fin.close();
			fout.close();
			system("del rec");
			system("ren va rec");
			cout << "\n      Enter is get Deleted:-";
			getchar();

			char ans;
			outtextxy(240, 340, "   Do you want to continue:- ");
			ans = getche();
			if (ans == 'y' || ans == 'Y')
			{
				goto z;
			}
			else if (ans == 'n' || ans == 'N')
			{
				getchar();
				exit(1);
			}
		}
		case 6:
		{
			clearviewport();
			outtextxy(250, 360, "THE END OF THE PROJECT:-");
			outtextxy(260, 390, "\n \n\n\n\n PLEASE PRESS ENTER");
			getchar();
			closegraph();
			exit(1);
		}
		default:
			goto z;
		}
		}
	}
}