C++ Project on Telephone Directory System

Submitted by Editor

TELEPHONE DIRECTORY SYSTEM

 
// TELEPHONE DIRECTORY SYSTEM


#include
#include
#include
#include
#include
#include
#include
#include
#include
#include

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"< 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     :"<>ph_no;
	  do
	    {
	      f.read((char *)&s,sizeof(s));
	      if(f.eof()==1) {break;}

	      if(s.ph_no==ph_no)
	      {
	       cout< <"\n                Current Name       :"<>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;
			}
		}
     }
}


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