telephone_directory.cpp

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

	int valid, saved=0 ;
	int t_code ;
	t_code = last_code() ;
	t_code++ ;
	if (t_code == 1)
	{
		code = t_code ;
		strcpy(name,"abc") ;
		strcpy(phone1,"-") ;
		strcpy(phone2,"-") ;
		strcpy(phone3,"-") ;
		strcpy(e_mail,"-") ;
		strcpy(address,"xyz") ;
		fstream file ;
		file.open("TDIARY.DAT", ios::out | ios::app ) ;
		file.write((char *) this, sizeof(diary)) ;
		file.close() ;
		delete_record(t_code) ;
	}
	char ch ;
	do
	{
		clrscr() ;
		gotoxy(3,3) ;
		cout <<"Code # " <<t_code ;
		gotoxy(3,5) ;
		cout <<"Name    : " ;
		gotoxy(3,6) ;
		cout <<"Phone 1 : " ;
		gotoxy(3,7) ;
		cout <<"Phone 2 : " ;
		gotoxy(3,8) ;
		cout <<"Phone 3 : " ;
		gotoxy(3,9) ;
		cout <<"e_mail  : ";
		gotoxy(3,10) ;
		cout <<"Address : " ;
		m.line_hor(1,79,23,196) ;
		do
		{
			valid = 1 ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(3,25) ;
			cout <<"ENTER NAME OF THE PERSON" ;
			gotoxy(13,5) ;
			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 A BLANK OR GREATER THAN 19" ;
				gotoxy(1,25) ;
				cout <<"Press any key to continue..." ;
				getch() ;
				gotoxy(1,24) ;  clreol() ;
				gotoxy(1,25) ;  clreol() ;
				gotoxy(13,5) ; clreol() ;
			}
		} while ( !valid ) ;
		do
		{
			valid = 1 ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(3,25) ;
			cout <<"ENTER THE PHONE NO. OF THE PERSON, <ENTER> FOR BLANK" ;
			gotoxy(13,6) ;
			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(13,6) ; clreol() ;
			}
		} while ( !valid ) ;
		if (strlen(phone1) == 0)
			strcpy(phone1,"-") ;
		do
		{
			valid = 1 ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(3,25) ;
			cout <<"ENTER THE PHONE NO. OF THE PERSON, <ENTER> FOR BLANK" ;
			gotoxy(13,7) ;
			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(13,7) ; clreol() ;
			}
		} while ( !valid ) ;
		if (strlen(phone2) == 0)
			strcpy(phone2,"-") ;
		do
		{
			valid = 1 ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(3,25) ;
			cout <<"ENTER THE PHONE NO. OF THE PERSON, <ENTER> FOR BLANK" ;
			gotoxy(13,8) ;
			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(13,8) ; clreol() ;
			}
		} while ( !valid ) ;
		if (strlen(phone3) == 0)
			strcpy(phone3,"-") ;
		do
		{
			valid = 1 ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(3,25) ;
			cout <<"ENTER THE E_MAIL ADDRESS OF THE PERSON,<ENTER> FOR BLANK" ;
			gotoxy(13,9) ;
			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 GREATER THAN 29 OR LESS THAN 10" ;
				gotoxy(1,25) ;
				cout <<"Press any key to continue..." ;
				getch() ;
				gotoxy(1,24) ;  clreol() ;
				gotoxy(1,25) ;  clreol() ;
				gotoxy(13,9) ; clreol() ;
			}
		} while ( !valid ) ;
		if (strlen(e_mail) == 0)
			strcpy(e_mail,"-") ;
		do
		{
			valid = 1 ;
			gotoxy(1,25) ;  clreol() ;
			gotoxy(3,25) ;
			cout <<"ENTER THE ADDRESS OF THE PERSON" ;
			gotoxy(13,10) ;
			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(13,10) ; clreol() ;
			}
		} while ( !valid ) ;
		gotoxy(1,25) ;  clreol() ;
		gotoxy(1,23) ; clreol() ;
		gotoxy(1,13) ;
		cout <<"Do you want to save the record (y/n)  : " ;
		do
		{
			valid = 1 ;
			gotoxy(41,13) ;
			ch = getche() ;
			ch = toupper(ch) ;
			if (ch != 'Y' && ch != 'N')
			{
				valid = 0 ;
				sound(500) ;
				delay(100) ;
				nosound() ;
				gotoxy(41,13) ; clreol() ;
			}
		} while ( !valid ) ;
		if (ch == 'Y')
		{
			saved = 1 ;
			code = t_code ;
			fstream file ;
			file.open("TDIARY.DAT", ios::out | ios::app ) ;
			file.write((char *) this, sizeof(diary)) ;
			file.close() ;
			t_code++ ;
		}
		gotoxy(1,14) ;
		cout <<"Do you want to add more records (y/n) : " ;
		do
		{
			valid = 1 ;
			gotoxy(41,14) ;
			ch = getche() ;
			ch = toupper(ch) ;
			if (ch != 'Y' && ch != 'N')
			{
				valid = 0 ;
				sound(500) ;
				delay(100) ;
				nosound() ;
				gotoxy(41,14) ; clreol() ;
			}
		} while ( !valid ) ;
	} while (ch == 'Y') ;
	if (saved)
		sort() ;
}



//**********************************************************
//      CLASS NAME    : DIARY
//      FUNCTION NAME : DELETE_RECORD
//      DETAILS       : IT DELETES THE RECORD IN THE DIARY'S
//                   FILE (TDIARY.DAT) FOR THE GIVEN CODE
//**********************************************************

void diary :: delete_record(int t_code)
{
	fstream file ;
	file.open("TDIARY.DAT", ios::in) ;
	fstream temp ;
	temp.open("temp.dat", ios::out) ;
	file.seekg(0,ios::beg) ;
	while ( !file.eof() )
	{
		file.read((char *) this, sizeof(diary)) ;
		if ( file.eof() )
			break ;
		if ( code != t_code )
			temp.write((char *) this, sizeof(diary)) ;
	}
	file.close() ;
	temp.close() ;
	file.open("TDIARY.DAT", ios::out) ;
	temp.open("temp.dat", ios::in) ;
	temp.seekg(0,ios::beg) ;
	t_code = 1 ;
	while ( !temp.eof() )
	{
		temp.read((char *) this, sizeof(diary)) ;
		code = t_code ;
		if ( temp.eof() )
			break ;
		file.write((char *) this, sizeof(diary)) ;
		t_code++ ;
	}
	file.close() ;
	temp.close() ;
}



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

void diary :: deletion(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 deleted " ;
	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 delete 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 ;
		gotoxy(1,25) ;
		cout <<"Wait..." ;
		delete_record(t_code) ;
		clrscr() ;
		gotoxy(1,14) ;
		cout <<"Record Deleted\n" ;
		m.line_hor(1,79,24,196) ;
		gotoxy(1,25) ;
		cout <<"Press any key to continue..." ;
		getch() ;
		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 delete 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 ;
	gotoxy(1,25) ;
	cout <<"Wait..." ;
	delete_record(t_code) ;
	clrscr() ;
	sound(500) ;
	delay(100) ;
	nosound() ;
	gotoxy(3,14) ;
	cout <<"Record Deleted" ;
	m.line_hor(1,79,24,196) ;
	gotoxy(1,25) ;
	cout <<"Press any key to continue...." ;
	getch() ;
}


//**********************************************************
//      CLASS NAME    : DIARY
//      FUNCTION NAME : MODIFY_RECORD
//      DETAILS       : IT MODIFIES THE RECORD IN THE DIARY'S
//                   FILE (TDIARY.DAT) FOR THE GIVEN CODE
//**********************************************************

void diary :: modify_record(int t_code)
{
	menu m ;
	int valid, modified=0 ;
	char ch ;
	m.line_hor(1,79,12,196) ;
	gotoxy(3,14) ;
	cout <<"Code # " <<t_code ;
	gotoxy(3,16) ;
	cout <<"Name    : " ;
	gotoxy(3,17) ;
	cout <<"Phone 1 : " ;
	gotoxy(3,18) ;
	cout <<"Phone 2 : " ;
	gotoxy(3,19) ;
	cout <<"Phone 3 : " ;
	gotoxy(3,20) ;
	cout <<"e_mail  : " ;
	gotoxy(3,21) ;
	cout <<"Address : " ;
	gotoxy(1,25) ;  clreol() ;
	m.line_hor(1,79,23,196) ;
	gotoxy(13,16) ;
	cout <<"Change (y/n) : " ;
	do
	{
		valid = 1 ;
		gotoxy(28,16) ;
		ch = getche() ;
		ch = toupper(ch) ;
		if (ch != 'Y' && ch != 'N')
		{
			valid = 0 ;
			sound(500) ;
			delay(100) ;
			nosound() ;
			gotoxy(28,16) ; clreol() ;
		}
	} while (!valid) ;
	valid = 0 ;
	while (!valid && ch == 'Y')
	{