Cpp project: AddressBook
#include<fstream>
#include<iostream>
#include<conio.h>
#include<ctype.h>
#include<stdio.h>
#include<string.h>
#include<stdlib.h>
using namespace std;
void welcome();
void ba_bye();
void ba_bye()
{
puts("Thank you for using address book :) ");
getch();
}
void welcome()
{
puts("**************** W E L C O M E *********************** ");
puts("******************** T O ****************************** " );
puts("******** A D D R E S S B O O K P R O J E C T ******** ");
puts("\n");
puts(" \t*** PRESS ANY KEY TO CONTINUE***");
getch();
return;
}
class decVarFunc // declaring functions and variables name
{
public:
//variable list
int record;
long pn1; // house phone number
char pn2[10]; //office phone number
char address1[50]; // house
char address2[50]; // office
char occupation[20];
char name[20];
char emailadd[25];
char webadd[25];
//function list
void updateRec(); //modifying data
void addNew(); //adding new record
void deleteRec(); // delete records
void menu();
void search(); // searching records
void view1(); // searched result
void input(); // entering details
void view(); //displaying all records
char check(char *); // surity about update records
int recNo(); // number of records
} obj;
void decVarFunc::addNew()
{
ofstream fout;
//out :: open a file for output
//app :: open a file for output and write all data
fout.open("eka",ios::out|ios::app);
input();
fout.write((char*)&obj,sizeof(obj));
fout.close();
}
int decVarFunc::recNo()
{
ifstream fin;
fin.open("eka");
//end :: Set the file pointer at the end of the file.
fin.seekg(0,ios::end);
int n;
n=fin.tellg()/sizeof(obj);
cout<<" \n NUMBER OF RECORDS = "<<n ;
return n ;
}
void decVarFunc::search()
{
ifstream fin;
fin.open("eka");
if(fin.fail())
{
cout<<" \n FILE NOT FOUND!!! ";
getch();
return;
}
printf("\n\nS E A R C H I N G\n\n");
cout<<" \n ENTER PHONE NUMBER TO SEARCH : ";
long pn;
cin>>pn;
int n;
n=recNo();
for(int i=0; i<n; i++)
{
fin.read((char*)&obj,sizeof(obj));
if(pn==pn1)
{
view1();
return;
}
else
{
cout<<"\n\nSORRY!! RECORD NOT FOUND\n\n";
}
}
if(fin.eof())
{
cout<<" \n RECORD NOT FOUND\n ";
}
}
void decVarFunc::input()
{
char ch;
printf("A D D I T I O N");
cout<<" \n ENTER HOUSE PHONE NUMBER : ";
cin>>pn1;
cout<<" \n ENTER OFFICE PHONE NUMBER : ";
cin>>pn2;
// ch=cin.get();
cin.get(ch);
cout<<" \n ENTER NAME : ";
gets(name);
cout<<" \n ENTER THE OCCUPATION : ";
gets(occupation);
cout<<" \n ENTER HOUSE ADDRESS : ";
gets(address1);
cout<<" \n ENTER OFFICE ADDRESS : ";
gets(address2);
cout<<" \n ENTER EMAIL ADDRESS : ";
gets(emailadd);
cout<<" \n ENTER INTERNET ADDRESS : ";
gets(webadd);
}
void decVarFunc::view1()
{
cout<<"\n";
cout<<" HOUSE PHONE NUMBER : "<<obj.pn1<<"\n";
cout<<" OFFICE PHONE NUMBER2 : "<<obj.pn2<<"\n";
cout<<" NAME : "<<obj.name<<"\n";
cout<<" HOUSE ADDRESS : "<<obj.address1<<"\n";
cout<<" OCCUPATION : "<<obj.occupation<<"\n";
cout<<" OFFICE ADDRESS : "<<obj.address2<<"\n";
cout<<" EMAIL ADDRESS : "<<obj.emailadd<<"\n";
cout<<" INTERNET ADDRESS : "<<obj.webadd<<"\n";
getch();
}
void decVarFunc::updateRec()
{
printf("M O D I F I C A T I O N");
long pn;
int n,i;
ifstream fin;
ofstream fout;
fin.open("eka");
if(fin.fail())
{
cout<<"\n FILE NOT FOUND !";
fout.close();
exit(-1);
}
fout.open("new");
n=recNo();
if(n==0)
{
cout<<"\n FILE IS EMPTY ! ";
getch();
return;
}
while(fin.good())
{
fin.read((char*)&obj,sizeof(obj));
fout.write((char*)&obj,sizeof(obj));
}
fin.close();
fout.close();
fout.open("eka",ios::trunc);
fin.open("new");
if(fin.fail())
{
cout<<"\n FILE NOT FOUND !";
exit(-1);
}
char ch;
cout<<"\n ENTER PHONE NUMBER :";
cin>>pn;
ch=cin.get();
for(i=0; i<n; i++)
{
fin.read((char*)&obj,sizeof(obj));
char d;
if(pn==pn1)
{
//view1();
d=check("HOUSE PHONE NUMBER ");
if((d=='y') || (d=='Y'))
{
cout<<"\n ENTER NEW PHONE NUMBER :";
cin>>pn1;
ch=cin.get();
}
if(check("OFFICE PHONE NUMBER ")=='Y')
{
cout<<"\n ENTER NEW PHONE NUMBER :";
cin>>pn2;
ch=cin.get();
}
if(check("NAME")=='y')
{
cout<<"\n ENTER NEW NAME : ";
gets(name);
}
if(check("HOME ADDRESS")=='y')
{
cout<<"\n ENTER NEW ADDRESS :";
gets(address1);
}
if(check("OFFICE ADDRESS")=='y')
{
cout<<"\n ENTER NEW ADDRESS :";
gets(address2);
}
if(check("EMAIL ADDRESS:")=='y')
{
cout<<"\n ENTER NEW MAIL ADDRESS :";
gets(emailadd);
}
if(check("INTERNET ADDRESS")=='y')
{
cout<<"\n ENTER NEW INTERNET ADDRESS :";
gets(webadd);
}
}
fout.write((char*)&obj,sizeof(obj));
}
fout.close();
fin.close();
}
char decVarFunc::check(char *s)
{
cout<<"\n MODIFY \t "<<s<<"\t"<<"Y/N";
char ch;
ch =getch();
//cin.get(ch);
if((ch=='y')||(ch=='Y'))
return 'y';
else
return 'n';
}
void decVarFunc::deleteRec()
{
printf("D E L E T I O N \n");
long pn;
int n,i;
ifstream fin;
ofstream fout;
fin.open("eka");
if(fin.fail())
{
cout<<"\n FILE NOT FOUND ! ";
getch();
return;
}
fout.open("new");
n=recNo();
if(n==0)
{
cout<<"\n FILE IS EMPTY ! ";
getch();
return;
}
for(i=0; i<n; i++)
{
fin.read((char*)&obj,sizeof(obj));
fout.write((char*)&obj,sizeof(obj));
}
fin.close();
fout.close();
fout.open("eka",ios::trunc);
fin.open("new");
if(fin.fail())
{
cout<<"\n FILE NOT FOUND ! ";
getch();
return;
}
cout<<"\n ENTER PHONE NUMBER :";
cin>>pn;
for(i=0; i<n; i++)
{
fin.read((char*)&obj,sizeof(obj));
if(pn!=pn1){
fout.write((char*)&obj,sizeof(obj));
cout<<"\nDELETED!!!\n";}
}
fout.close();
fin.close();
}
void decVarFunc::view()
{
ifstream fin;
int n,j;
fin.open("eka");
if(fin.fail()||fin.bad())
{
cout<<"\n FILE NOT FOUND ! ";
getch();
return;
}
int i=0;
n=recNo();
for(j=0; j<n; j++)
{
cout<<"\n RECORD "<<i+1<<"\n";
fin.read((char*)&obj,sizeof(obj));
cout<<"\n PHONE NUMBER1 :"<<obj.pn1<<"\n";
cout<<"\n PHONE NUMBER2 :"<<obj.pn2<<"\n";
cout<<"\n NAME :"<<obj.name<<"\n";
cout<<"\n HOUSE ADDRESS :"<<obj.address1<<"\n";
cout<<"\n OCCUPATION :"<<obj.occupation<<"\n";
cout<<"\n OFFICE ADDRESS :"<<obj.address2<<"\n";
cout<<"\n INTERNET ADDRESS :"<<obj.webadd<<"\n";
cout<<"\n EMAIL ADDRESS : "<<obj.emailadd<<"\n";
i+=1;
}
fin.close();
getch();
}
void decVarFunc::menu()
{
char ch;
printf(" \n\nMAIN MENU\n");
printf(" \tA:ADD\n");
printf(" \tD:DELETE\n");
printf(" \tU:UPDATE\n");
printf(" \tV:VIEW\n");
printf(" \tS:SEARCH\n");
printf(" \tE:EXIT\n");
ch=getch();
switch(ch)
{
case 'a':
case 'A':
addNew();
break;
case 'd' :
case 'D' :
deleteRec();
break;
case 'u':
case 'U':
updateRec();
break;
case 'v':
case 'V':
view();
break;
case 's':
case 'S':
search();
break;
case 'e':
case 'E':
ba_bye();
system("cls");
exit(0);
}
}
int main()
{
welcome();
for(;;)
{
obj.menu();
}
return 0;
}
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