telephone_directory.cpp

Contains a project on the managment of a telephone directory.. Feel free to download and use..

		modified = 1 ;
		valid = 1 ;
		gotoxy(13,16) ; clreol() ;
		gotoxy(3,25) ;
		cout <<"ENTER NAME OF THE PERSON" ;
		gotoxy(13,16) ;
		gets(name) ;
		strupr(name) ;
		if (strlen(name) > 19 || strlen(name) == 0)
		{
			valid = 0 ;
			sound(500) ;
			delay(100) ;
			nosound() ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(1,24) ;
			cout <<"LENGTH SHOULD NOT BE BLANK OR GREATER THAN 19" ;
			gotoxy(1,25) ;
			cout <<"Press any key to continue..." ;
			getch() ;
			gotoxy(1,24) ;  clreol() ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(13,16) ; clreol() ;
		}
	}
	gotoxy(1,25) ;  clreol() ;
	gotoxy(13,17) ;
	cout <<"Change (y/n) : " ;
	do
	{
		valid = 1 ;
		gotoxy(28,17) ;
		ch = getche() ;
		ch = toupper(ch) ;
		if (ch != 'Y' && ch != 'N')
		{
			valid = 0 ;
			sound(500) ;
			delay(100) ;
			nosound() ;
			gotoxy(28,17) ; clreol() ;
		}
	} while (!valid) ;
	valid = 0 ;
	while (!valid && ch == 'Y')
	{
		modified = 1 ;
		valid = 1 ;
		gotoxy(13,17) ; clreol() ;
		gotoxy(3,25) ;
		cout <<"ENTER THE PHONE NO. OF THE PERSON, <ENTER> FOR BLANK";
		gotoxy(13,17) ;
		gets(phone1) ;
		if ((strlen(phone1) < 7 && strlen(phone1) > 0) || (strlen(phone1) > 9))
		{
			valid = 0 ;
			sound(500) ;
			delay(100) ;
			nosound() ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(1,24) ;
			cout <<"LENGTH SHOULD NOT BE GREATER THAN 9 OR LESS THAN 7" ;
			gotoxy(1,25) ;
			cout <<"Press any key to continue..." ;
			getch() ;
			gotoxy(1,24) ;  clreol() ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(13,17) ; clreol() ;
		}
		if (strlen(phone1) == 0)
			strcpy(phone1,"-") ;
	}
	gotoxy(1,25) ;  clreol() ;
	gotoxy(13,18) ;
	cout <<"Change (y/n) : " ;
	do
	{
		valid = 1 ;
		gotoxy(28,18) ;
		ch = getche() ;
		ch = toupper(ch) ;
		if (ch != 'Y' && ch != 'N')
		{
			valid = 0 ;
			sound(500) ;
			delay(100) ;
			nosound() ;
			gotoxy(28,18) ; clreol() ;
		}
	} while (!valid) ;
	valid = 0 ;
	while (!valid && ch == 'Y')
	{
		modified = 1 ;
		valid = 1 ;
		gotoxy(13,18) ; clreol() ;
		gotoxy(3,25) ;
		cout <<"ENTER THE PHONE NO. OF THE PERSON, <ENTER> FOR BLANK";
		gotoxy(13,18) ;
		gets(phone2) ;
		if ((strlen(phone2) < 7 && strlen(phone2) > 0) || (strlen(phone2) > 9))
		{
			valid = 0 ;
			sound(500) ;
			delay(100) ;
			nosound() ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(1,24) ;
			cout <<"LENGTH SHOULD NOT BE GREATER THAN 9 OR LESS THAN 7" ;
			gotoxy(1,25) ;
			cout <<"Press any key to continue..." ;
			getch() ;
			gotoxy(1,24) ;  clreol() ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(13,18) ; clreol() ;
		}
		if (strlen(phone2) == 0)
			strcpy(phone2,"-") ;
	}
	gotoxy(1,25) ;  clreol() ;
	gotoxy(13,19) ;
	cout <<"Change (y/n) : " ;
	do
	{
		valid = 1 ;
		gotoxy(28,19) ;
		ch = getche() ;
		ch = toupper(ch) ;
		if (ch != 'Y' && ch != 'N')
		{
			valid = 0 ;
			sound(500) ;
			delay(100) ;
			nosound() ;
			gotoxy(28,19) ; clreol() ;
		}
	} while (!valid) ;
	valid = 0 ;
	while (!valid && ch == 'Y')
	{
		modified = 1 ;
		valid = 1 ;
		gotoxy(13,19) ; clreol() ;
		gotoxy(3,25) ;
		cout <<"ENTER THE PHONE NO. OF THE PERSON, <ENTER> FOR BLANK" ;
		gotoxy(13,19) ;
		gets(phone3) ;
		if ((strlen(phone3) < 7 && strlen(phone3) > 0) || (strlen(phone3) > 9))
		{
			valid = 0 ;
			sound(500) ;
			delay(100) ;
			nosound() ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(1,24) ;
			cout <<"LENGTH SHOULD NOT BE GREATER THAN 9 OR LESS THAN 7" ;
			gotoxy(1,25) ;
			cout <<"Press any key to continue..." ;
			getch() ;
			gotoxy(1,24) ;  clreol() ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(13,19) ; clreol() ;
		}
		if (strlen(phone3) == 0)
			strcpy(phone3,"-") ;
	}
	gotoxy(1,25) ;  clreol() ;
	gotoxy(13,20) ;
	cout <<"Change (y/n) : " ;
	do
	{
		valid = 1 ;
		gotoxy(28,20) ;
		ch = getche() ;
		ch = toupper(ch) ;
		if (ch != 'Y' && ch != 'N')
		{
			valid = 0 ;
			sound(500) ;
			delay(100) ;
			nosound() ;
			gotoxy(28,20) ; clreol() ;
		}
	} while (!valid) ;
	valid = 0 ;
	while (!valid && ch == 'Y')
	{
		modified = 1 ;
		valid = 1 ;
		gotoxy(13,20) ; clreol() ;
		gotoxy(3,25) ;
		cout <<"ENTER THE E_MAIL ADDRESS OF THE PERSON, <ENTER> FOR BLANK" ;
		gotoxy(13,20) ;
		gets(e_mail) ;
		if ((strlen(e_mail) < 10 && strlen(e_mail) > 0))
		{
			valid = 0 ;
			sound(500) ;
			delay(100) ;
			nosound() ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(1,24) ;
			cout <<"LENGTH SHOULD NOT BE LESS THAN 10";
			gotoxy(1,25) ;
			cout <<"Press any key to continue..." ;
			getch() ;
			gotoxy(1,24) ;  clreol() ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(13,20) ; clreol() ;
		}
		if (strlen(e_mail) == 0)
			strcpy(e_mail,"-") ;
	}
	gotoxy(1,25) ;  clreol() ;
	gotoxy(13,21) ;
	cout <<"Change (y/n) : " ;
	do
	{
		valid = 1 ;
		gotoxy(28,21) ;
		ch = getche() ;
		ch = toupper(ch) ;
		if (ch != 'Y' && ch != 'N')
		{
			valid = 0 ;
			sound(500) ;
			delay(100) ;
			nosound() ;
			gotoxy(28,21) ; clreol() ;
		}
	} while (!valid) ;
	valid = 0 ;
	while (!valid && ch == 'Y')
	{
		modified = 1 ;
		valid = 1 ;
		gotoxy(13,21) ; clreol() ;
		gotoxy(3,25) ;
		cout <<"ENTER ADDRESS OF THE PERSON" ;
		gotoxy(13,21) ;
		gets(address) ;
		strupr(address) ;
		if (strlen(address) > 43 || strlen(address) == 0)
		{
			valid = 0 ;
			sound(500) ;
			delay(100) ;
			nosound() ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(1,24) ;
			cout <<"SHOULD NOT BE BLANK OR GREATER THAN 48" ;
			gotoxy(1,25) ;
			cout <<"Press any key to continue..." ;
			getch() ;
			gotoxy(1,24) ;  clreol() ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(13,21) ; clreol() ;
		}
	}
	if (!modified)
		return ;
	gotoxy(1,25) ;  clreol() ;
	gotoxy(1,23) ; clreol() ;
	gotoxy(1,23) ;
	cout <<"Do you want to save the record (y/n)  : " ;
	do
	{
		valid = 1 ;
		gotoxy(41,23) ;
		ch = getche() ;
		ch = toupper(ch) ;
		if (ch != 'Y' && ch != 'N')
		{
			valid = 0 ;
			sound(500) ;
			delay(100) ;
			nosound() ;
			gotoxy(41,23) ; clreol() ;
		}
	} while ( !valid ) ;
	if (ch == 'N')
		return ;
	fstream file ;
	file.open("TDIARY.DAT", ios::out | ios::ate) ;
	int recno ;
	recno = t_code ;
	int location ;
	location = (recno-1) * sizeof(diary) ;
	file.seekp(location) ;
	file.write((char *) this, sizeof(diary)) ;
	file.close() ;
	sort() ;
	clrscr() ;
	sound(500) ;
	delay(100) ;
	nosound() ;
	gotoxy(1,14) ;
	cout <<"Record Modified" ;
	m.line_hor(1,79,24,196) ;
	gotoxy(1,25) ;
	cout <<"Press any key to continue..." ;
	getch() ;
}


//**********************************************************
//      CLASS NAME    : DIARY
//      FUNCTION NAME : MODIFY
//      DETAILS       : IT GIVES THE CODE NO. TO MODIFY THE
//                   RECORD IN DIARY'S FILE (TDIARY.DAT)
//**********************************************************

void diary :: modify(void)
{
	menu m ;
	clrscr() ;
	int valid ;
	int t_code=0, t;
	char t1_code[5], t2_code[5] ;
	char ch ;
	gotoxy(3,3) ;
	cout <<"Enter Code no. of the record to be modify " ;
	gotoxy(3,4) ;
	cout <<"or Press <ENTER> to see from the list or `0' to exit : " ;
	gets(t1_code) ;
	t = atoi(t1_code) ;
	t_code = t ;
	if (t1_code[0] == '0')
		return ;
	if (t1_code[0] != '\0')
	{
		clrscr() ;
		if (!found_record(t_code))
		{
			sound(500) ;
			delay(100) ;
			nosound() ;
			gotoxy(3,15) ;
			cout <<"Record not found" ;
			m.line_hor(1,79,24,196) ;
			gotoxy(1,25) ;
			cout <<"Press any key to continue..." ;
			getch() ;
			return ;
		}
		display_record(t_code) ;
		gotoxy(3,12) ;
		cout <<"Do you want to modify this Record (y/n) : " ;
		do
		{
			valid = 1 ;
			gotoxy(45,12) ;
			ch = getche() ;
			ch = toupper(ch) ;
			if (ch != 'Y' && ch != 'N')
			{
				valid = 0 ;
				sound(500) ;
				delay(100) ;
				nosound() ;
				gotoxy(45,12) ; clreol() ;
			}
		} while (!valid ) ;
		if (ch == 'N')
			return ;
		modify_record(t_code) ;
		return ;
	}
	display_list() ;
	gotoxy(1,25) ;
	clreol() ;
	gotoxy(3,25) ;
	cout <<"Enter Code no. of the record or <ENTER> to exit " ;
	gets(t2_code) ;
	t = atoi(t2_code) ;
	t_code = t ;
	if (t2_code[0] == '\0')
		return ;
	clrscr() ;
	if (!found_record(t_code))
	{
		sound(500) ;
		delay(100) ;
		nosound() ;
		gotoxy(3,15) ;
		cout <<"Record not found" ;
		m.line_hor(1,79,24,196) ;
		gotoxy(1,25) ;
		cout <<"Press any key to continue..." ;
		getch() ;
		return ;
	}
	display_record(t_code) ;
	gotoxy(3,12) ;
	cout <<"Do you want to modify this Record (y/n) : " ;
	do
	{
		valid = 1 ;
		gotoxy(45,12) ;
		ch = getche() ;
		ch = toupper(ch) ;
		if (ch != 'Y' && ch != 'N')
		{
			valid = 0 ;
			sound(500) ;
			delay(100) ;
			nosound() ;
			gotoxy(45,12) ; clreol() ;
		}
	} while (!valid ) ;
	if (ch == 'N')
		return ;
	modify_record(t_code) ;
}



//**********************************************************
//      CLASS NAME    : DIARY
//      FUNCTION NAME : SORT
//      DETAILS       : IT SORTS THE RECORD IN THE DIARY'S
//                   FILE (TDIARY.DAT)
//**********************************************************

void diary :: sort(void)
{
	int i=0,j ;
	diary arr[100] ;
	diary temp ;
	fstream file ;
	file.open("TDIARY.DAT", ios::in) ;
	file.seekg(0,ios::beg) ;
	while (file.read((char *) &arr[i], sizeof(diary)))
		i++ ;
	int size ;
	size = i ;
	file.close() ;
	for (i=1; i<size; i++)
		for (j=0; j<size-i; j++)
		{
			if (strcmp(arr[j].name,arr[j+1].name) > 0)
			{
				temp=arr[j];
				arr[j]=arr[j+1];
				arr[j+1]=temp;
			}
		}
	int t_code = 1 ;
	for (i=0; i<size; i++)
	{
		arr[i].code = t_code ;
		t_code++ ;
	}
	file.open("TDIARY.DAT", ios::out) ;
	for (i=0; i<size; i++)
		file.write((char *) &arr[i], sizeof(diary)) ;
	file.close() ;
}




//**********************************************************
//      FUNCTION NAME : MAIN
//      DETAILS       : IT CALLS THE STARTUP FUNCTION AND
//                   MENU FUNCTION.
//**********************************************************

void main(void)
{
	menu m ;
	m.startup() ;
	m.main_menu() ;
}