C++
C++ Project on Telephone Directory Management System
Telephone Directory Management System
/*
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*
* TELEPHONE DIRECTORY MANAGEMENT SYSTEM *
* *
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*
*/
#include
#include
#include
#include
#include
#include
struct node
{
unsigned long recno;
long int pin;
char name[20];
node *link;
};
node *first,*ptr1,*ptr2,*ptr,*temp;
class person
{
private:unsigned long record_id;
char person_name[20];
char res_address[30];
long int res_pincode;
long int res_phone_no1;
char occu_pation[10];
char company_name[20];
char off_address[20];
long int off_pincode;
long int off_phone_no1;
public:
person()
{
record_id=0;
res_pincode=off_pincode=0;
res_phone_no1=0;
off_phone_no1=0;
}
unsigned long get_rec_no();
void get_data();
void show_data();
void add_object();
void make_index();
void sort_name();
void sort_recno();
void sort_pin();
void show_object();
void sort_print();
void del_object();
void modify_object();
void search_object();
void sort_object();
void reports();
}pers;
unsigned long person::get_rec_no()
{
int found=0;
unsigned long rec_no,temp_recno;
struct node1
{
unsigned long recno;
node1 *link;
};
node1 *start,*ptr,*ptr1,*ptr2;
fstream infile;
infile.open("phoneno.dat",ios::in);
infile.seekg(0,ios::end);
int n=infile.tellg();
infile.close();
if(n==0)
rec_no=1;
else
{
infile.open("phoneno.dat",ios::in);
start=ptr=new node1;
infile.seekg(0,ios::beg);
infile.read((char*)&pers,sizeof(pers));
while(!infile.eof())
{
ptr->recno=record_id;
ptr->link=new node1;
ptr=ptr->link;
infile.read((char*)&pers,sizeof(pers));
}
ptr->link=NULL;
ptr1=start;
while(ptr1->link!=NULL)
{
ptr2=ptr1->link;
while(ptr2!=NULL)
{
if(ptr2->recno<ptr1->recno)
{
temp_recno=ptr2->recno;
ptr2->recno=ptr1->recno;
ptr1->recno=temp_recno;
}
ptr2=ptr2->link;
}
ptr2=ptr1->link;
ptr1=ptr2;
}
ptr1=start;
while(ptr1!=NULL && found!=1)
{
ptr2=ptr1;
ptr1=ptr1->link;
if((ptr2->recno)+1!=ptr1->recno)
{
rec_no=(ptr2->recno)+1;
found=1;
}
}
if(found!=1)rec_no=(ptr2->recno)+1;
ptr=start;
while(start!=NULL)
{
start=start->link;
delete ptr;
}
}
return rec_no;
}
void person::get_data()
{
clrscr();
record_id=pers.get_rec_no();
gotoxy(5,7);
cout<<"ENTER THE NAME--------------->";
gets(person_name);
gotoxy(5,8);
cout<<"RESIDENTIAL ADDRESS------------------>";
gets(res_address);
gotoxy(5,9);
cout<<"ENTER RESIDENTIAL PINCODE------------>";
cin>>res_pincode;
gotoxy(5,10);
cout<<"ENTER RESIDENTIAL PHONE NO----------->";
cin>>res_phone_no1;
gotoxy(5,11);
cout<<"ENTER THE OCCUPATION---------------->";
gets(occu_pation);
gotoxy(5,12);
cout<<"ENTER COMPANY'S NAME--------------->";
gets(company_name);
gotoxy(5,13);
cout<<"ENTER COMPANY'S ADDRESS------------>";
gets(off_address);
gotoxy(5,14);
cout<<"ENTER OFFICE PINCODE-------------->";
cin>>off_pincode;
gotoxy(5,15);
cout<<"ENTER OFFICE PHONE NO-------------->";
cin>>off_phone_no1;
gotoxy(5,16);
clrscr();
}
void person::show_data()
{
clrscr();
gotoxy(5,2);
cout<<"RECORD NUMBER----------------------->"<<record_id;
cout<<"\nNAME--------------------------------->"<<person_name;
cout<<"\nRESIDENTIAL ADDRESS------------------>"<<res_address;
cout<<"\nRESIDENTIAL PINCODE------------------>"<<res_pincode;
cout<<"\nRESIDENTIAL PHONE NO----------------->"<<res_phone_no1;
cout<<"\nOCCUPATION--------------------------->"<<occu_pation;
cout<<"\nCOMPANY NAME------------------------->"<<company_name;
cout<<"\nOFFICE ADDRESS----------------------->"<<off_address;
cout<<"\nOFFICE PINCODE----------------------->"<<off_pincode;
cout<<"\nOFFICE PHONE NO---------------------->"<<off_phone_no1;
}
void person::add_object()
{
fstream outfile;
char choice;
do
{
pers.get_data();
outfile.open("phoneno.dat",ios::app);
outfile.write((char*)&pers,sizeof(pers));
outfile.flush();
outfile.close();
clrscr();
gotoxy(22,10);
cout<<"RECORD ADDED SUCCESSFULLY";
gotoxy(22,12);
cout<<"DO YOU WANT TO ADD MORE RECORDS(Y/N)-------------->";
cin>>choice;
}
while(choice=='Y'||choice=='y');
}
void person::show_object()
{
fstream infile;
char choice;
do
{
clrscr();
infile.open("phoneno.dat",ios::in);
infile.seekg(0,ios::beg);
infile.read((char*)&pers,sizeof(pers));
while(!infile.eof())
{
pers.show_data();
infile.read((char*)&pers,sizeof(pers));
}
infile.close();
gotoxy(22,24);
cout<<"DO YOU WANT TO CONTINUE(Y/N)-------------->";
cin>>choice;
}
while(choice=='Y'||choice=='y');
}
void person::del_object()
{
fstream infile,outfile;
unsigned long rec_no;
clrscr();
cout<<"ENTER THE RECORD ID.NO.TO BE DELETED--------->";
cin>>rec_no;
infile.open("phoneno.dat",ios::in);
infile.seekg(0);
outfile.open("tempno.dat",ios::app);
infile.read((char*)&pers,sizeof(pers));
while(!infile.eof())
{
if(pers.record_id!=rec_no)
outfile.write((char*)&pers,sizeof(pers));
outfile.flush();
infile.read((char*)&pers,sizeof(pers));
}
infile.close();
outfile.close();
remove("phoneno.dat");
rename("tempno.dat","phoneno.dat");
}
void person::search_object()
{
fstream infile;
int search_choice;
unsigned long rec_no;
long int phno;
char name[20];
do
{
clrscr();
int counter=0;
gotoxy(22,7);
cout<<" SEARCH MENU ";
gotoxy(22,9);
cout<<"------------------";
gotoxy(22,11);
cout<<"RECORD ID NO. ..1";
gotoxy(22,12);
cout<<"NAME ..2";
gotoxy(22,13);
cout<<"PHONE NO. ..3";
gotoxy(22,14);
cout<<"EXIT SEARCH MENU ..4";
gotoxy(1,20);
cout<<"ENTER THE FIELD CHOICE ACCORDING TO WHICH A RECORD";
cout<<"IS TO BE SEARCHED--------->";
cin>>search_choice;
switch(search_choice)
{
case 1:clrscr();
cout<<"\n ENTER THE RECORD ID.NO. TO BE SEARCHED----->";
cin>>rec_no;
infile.open("phoneno.dat",ios::in);
infile.seekg(0,ios::beg);
infile.read((char*)&pers,sizeof(pers));
while(!infile.eof())
{
if(pers.record_id==rec_no)
{
counter++;
pers.show_data();
}
infile.read((char*)&pers,sizeof(pers));
}
infile.close();
gotoxy(20,24);
cout<<"RECORDS FOUND="<<counter;
getch();
break;
case 2:clrscr();
cout<<"\n ENTER THE NAME TO BE SEARCHED----->";
gets(name);
infile.open("phoneno.dat",ios::in);
infile.seekg(0,ios::beg);
infile.read((char*)&pers,sizeof(pers));
while(!infile.eof())
{
if(strcmpi(pers.person_name,name)==0)
{
counter++;
pers.show_data();
}
infile.read((char*)&pers,sizeof(pers));
}
infile.close();
gotoxy(20,24);
cout<<"RECORDS FOUND="<<counter;
getch();
break;
case 3:clrscr();
cout<<"\n ENTER THE PHONE NO. TO BE SEARCHED----->";
cin>>phno;
infile.open("phoneno.dat",ios::in);
infile.seekg(0,ios::beg);
infile.read((char*)&pers,sizeof(pers));
while(!infile.eof())
{
if(pers.res_phone_no1==phno||pers.off_phone_no1==phno)
{
counter++;
pers.show_data();
}
infile.read((char*)&pers,sizeof(pers));
}
infile.close();
gotoxy(20,24);
cout<<"RECORDS FOUND="<<counter;
getch();
break;
}
}
while(search_choice!=4);
}
void person::modify_object()
{
fstream file;
int modify_choice;
unsigned long code;
do
{
clrscr();
gotoxy(22,7);
cout<<" MODIFY MENU ";
gotoxy(22,8);
cout<<"------------------";
gotoxy(22,10);
cout<<"MODIFY RESIDENTIAL DETAILS ..1";
gotoxy(22,11);
cout<<"MODIFY OFFICE DETAILS ..2";
gotoxy(22,12);
cout<<"EXIT MODIFY MENU ..3";
gotoxy(22,20);
cout<<"ENTER YOUR CHOICE-------------->";
cin>>modify_choice;
if(modify_choice!=3)
{
clrscr();
gotoxy(10,15);
cout<<"ENTER THE RECORD NO. OF THE PERSON---->";
cin>>code;
file.open("phoneno.dat",ios::in|ios::out);
file.seekg(0,ios::beg);
file.read((char*)&pers,sizeof(pers));
int n=file.tellg();
while(!file.eof())
{
if(pers.record_id==code)
{
switch(modify_choice)
{
case 1:clrscr();
cout<<"***** The Details of "<<pers.person_name<<" *****";
cout<<"\nENTER NEW RESIDENTIAL ADDRESS-------->";
gets(pers.res_address);
cout<<"The old Pin code is :-"<<pers.res_pincode;
cout<<"\nENTER NEW RESIDENTIAL PINCODE-------->";
cin>>pers.res_pincode;
cout<<"The old Phone No.is :-"<<pers.res_phone_no1;
cout<<"\nENTER NEW RESIDENTIAL PHONE NO------->";
cin>>pers.res_phone_no1;
file.seekg(n-sizeof(pers));
file.write((char*)&pers,sizeof(pers));
file.flush();
break;
case 2:clrscr();
cout<<"\nENTER THE OCCUPATION----------->";
gets(pers.occu_pation);
cout<<"\nENTER NEW COMPANY'S NAME------->";
gets(pers.company_name);
cout<<"\nENTER NEW OFFICE ADDRESS-------->";
gets(pers.off_address);
cout<<"\nENTER NEW OFFICE PIN CODE------>";
cin>>pers.off_pincode;
cout<<"\nENTER NEW OFFICE PHONE NO------->";
cin>>pers.off_phone_no1;
file.seekg(n-sizeof(pers));
file.write((char*)&pers,sizeof(pers));
file.flush();
break;
}
}
file.read((char*)&pers,sizeof(pers));
n=file.tellg();
}
file.close();
}
}
while(modify_choice!=3);
clrscr();
gotoxy(22,10);
cout<<"YOU ENDED MODIFY INFORMATION SESSION";
gotoxy(30,13);
cout<<"THANK YOU";
delay(700);
}
void ex_change()
{
temp=new node;
temp->link=NULL;
temp->recno=ptr2->recno;
temp->pin=ptr2->pin;
strcpy(temp->name,ptr2->name);
ptr2->recno=ptr1->recno;
ptr2->pin=ptr1->pin;
strcpy(ptr2->name,ptr1->name);
ptr1->recno=temp->recno;
ptr1->pin=temp->pin;
strcpy(ptr1->name,temp->name);
delete temp;
}
void person::make_index()
{
fstream infile;
first=new node;
ptr=first;
infile.open("phoneno.dat",ios::in);
infile.seekg(0,ios::beg);
infile.read((char*)&pers,sizeof(pers));
while(!infile.eof())
{
ptr->recno=record_id;
ptr->pin=res_pincode;
strcpy(ptr->name,pers.person_name);
ptr->link=new node;
ptr=ptr->link;
infile.read((char*)&pers,sizeof(pers));
}
ptr->link=NULL;
infile.close();
}
void person::sort_name()
{
pers.make_index();
ptr1=first;
while(ptr1->link!=NULL)
{
ptr2=ptr1->link;
while(ptr2->link!=NULL)
{
if(strcmpi(ptr2->name,ptr1->name)<0)
ex_change();
ptr2=ptr2->link;
}
ptr2=ptr1->link;
ptr1=ptr2;
}
}
void person::sort_recno()
{
pers.make_index();
ptr1=first;
while(ptr1->link!=NULL)
{
ptr2=ptr->link;
while(ptr2!=NULL)
{
if(ptr2->recno<ptr1->recno)
ex_change();
ptr2=ptr2->link;
}
ptr2=ptr1->link;
ptr1=ptr2;
}
}
void person::sort_pin()
{
pers.make_index();
ptr1=first;
while(ptr1->link!=NULL)
{
ptr2=ptr1->link;
while(ptr2!=NULL)
{
if(ptr2->pin<ptr1->pin)
ex_change();
ptr2=ptr2->link;
}
ptr2=ptr1->link;
ptr1=ptr2;
}
}
void person::sort_print()
{
fstream infile;
ptr=first;
while(ptr!=NULL)
{
infile.open("phoneno.dat",ios::in);
infile.seekg(0,ios::beg);
infile.read((char*)&pers,sizeof(pers));
while(!infile.eof())
{
if(ptr->recno==pers.record_id)
{
pers.show_data();
infile.seekg(0,ios::end);
}
infile.read((char*)&pers,sizeof(pers));
}
infile.close();
ptr=ptr->link;
}
}
void del_index()
{
while(first!=NULL)
{
ptr=first;
first=first->link;
delete ptr;
}
}
void person::sort_object()
{
int sort_choice;
do
{
clrscr();
gotoxy(22,7);
cout<<" SORT MENU ";
gotoxy(22,8);
cout<<"-------------------";
gotoxy(22,10);
cout<<"SORTED RECORDS NOS. ..1";
gotoxy(22,11);
cout<<"SORTED NAMES ..2";
gotoxy(22,12);
cout<<"SORTED PINCODES NOS. ..3";
gotoxy(22,13);
cout<<"EXIT SORT MENU ..4";
gotoxy(22,20);
cout<<"ENTER YOUR CHOICE NO.----->";
cin>>sort_choice;
switch(sort_choice)
{
case 1:clrscr();
pers.sort_recno();
pers.sort_print();
del_index();
delay(200);
break;
case 2:clrscr();
pers.sort_name();
pers.sort_print();
del_index();
delay(200);
break;
case 3:clrscr();
pers.sort_pin();
pers.sort_print();
del_index();
delay(200);
break;
case 4:clrscr();
gotoxy(22,10);
cout<<"YOU ENDED THE SORTED SESSION";
gotoxy(27,13);
cout<<"THANK YOU!";
delay(700);
break;
}
}
while(sort_choice!=4);
}
void person::reports()
{
fstream infile;
int report_choice;
do
{
clrscr();
gotoxy(22,7);
cout<<" REPORT MENU ";
gotoxy(22,8);
cout<<"------------------";
gotoxy(5,10);
cout<<"SORTED LIST OF NAMES WITH RESIDENCE AND OFFICE PHONE NOS. ..1";
gotoxy(5,11);
cout<<"LIST OF NAMES WITH THEIR OFFICE DETAILS. ..2";
gotoxy(5,12);
cout<<"LIST OF NAMES WITH THEIR RECORD NOS.AND RESIDENTIAL ADDRESS ..3";
gotoxy(5,13);
cout<<"EXIT REPORT SESSION ..4";
gotoxy(5,14);
cout<<"ENTER YOUR CHOICE NO.------>";
cin>>report_choice;
switch(report_choice)
{
case 1:clrscr();
{
cout<<"\n NAME RESIDENCE PHONE NO. OFFICE PHONE NO.";
cout<<"\n-----------------------------------------------";
pers.sort_name();
ptr=first;
while(ptr!=NULL)
{
infile.open("phoneno.dat",ios::in);
infile.seekg(0,ios::beg);
infile.read((char*)&pers,sizeof(pers));
while(!infile.eof())
{
if(ptr->recno==pers.record_id)
{
cout<<"\n";
cout<<pers.person_name<<" "<<pers.res_phone_no1<<" "<<pers.off_phone_no1;
infile.seekg(0,ios::end);
}
infile.read((char*)&pers,sizeof(pers));
}
infile.close();
ptr=ptr->link;
}
del_index();
gotoxy(20,20);
cout<<"PRESS ANY KEY TO CONTINUE";
getch();
break;
}
case 2:clrscr();
infile.open("phoneno.dat",ios::in);
infile.seekg(0,ios::beg);
infile.read((char*)&pers,sizeof(pers));
while(!infile.eof())
{
gotoxy(10,5);
cout<<"NAME----------------->"<<pers.person_name;
cout<<"\nOCCUPATION----------->"<<pers.occu_pation;
cout<<"\nCOMPANY NAME--------->"<<pers.company_name;
cout<<"\nOFFICE ADDRESS------->"<<pers.off_address;
cout<<"\nOFFICE PINCODE------->"<<pers.off_pincode;
cout<<"\nOFFICE PHONE NO------>"<<pers.off_phone_no1;
getch();
infile.read((char*)&pers,sizeof(pers));
}
infile.close();
break;
case 3:clrscr();
infile.open("phoneno.dat",ios::in);
infile.seekg(0,ios::beg);
infile.read((char*)&pers,sizeof(pers));
while(!infile.eof())
{
gotoxy(10,5);
cout<<"RECORD NO.----------->"<<pers.record_id;
cout<<"\nNAME----------------->"<<pers.person_name;
cout<<"\nRESIDENTIAL ADDRESS-->"<<pers.res_address;
getch();
infile.read((char*)&pers,sizeof(pers));
}
infile.close();
break;
}
}
while(report_choice!=4);
}
void main()
{
int main_choice;
do
{
clrscr();
gotoxy(22,5);
cout<<" MAIN MENU ";
gotoxy(22,6);
cout<<"---------------";
gotoxy(22,8);
cout<<"ADD RECORD ..1";
gotoxy(22,9);
cout<<"DELETE RECORD ..2";
gotoxy(22,10);
cout<<"MODIFY RECORD ..3";
gotoxy(22,11);
cout<<"SEARCH RECORD ..4";
gotoxy(22,12);
cout<<"SORT RECORDS ..5";
gotoxy(22,13);
cout<<"REPORTS ..6";
gotoxy(22,14);
cout<<"EXIT ..7";
gotoxy(22,20);
cout<<"ENTER YOUR CHOICE-------------->";
cin>>main_choice;
switch(main_choice)
{
case 1:pers.add_object();
break;
case 2:pers.del_object();
break;
case 3:pers.modify_object();
break;
case 4:pers.search_object();
break;
case 5:pers.sort_object();
break;
case 6:pers.reports();
break;
case 7:clrscr();
gotoxy(22,10);
cout<<"YOU HAVE ENDED THE SESSION";
gotoxy(27,13);
cout<<"THANK YOU";
delay(1000);
break;
}
}
while(main_choice!=7);
}