View difference between Paste ID: LarwkdcL and 63WPirPe

 //=========================================================
 // File Name    : headr.h
 // Project Name : Phone book
 // Version      : v0.0.2
 // Copyright    : you are free to copy , share and use this code
 // Description  : Phone book program, using POD types , and Binary file
 // Compiler     : Gcc MingW
 // IDE          : Code::blocks
 //===========================================================
-//i do not comment my code ...it  was HARD to write ..so it is HARD to read...
+
 /*
 main.cpp
 #include"headr.h"
 int main()
 {
 
     gui();
     return 0;
 }
 */
 #include<iostream>
 #include<stdio.h>
 #include<cstdlib>
 #include<process.h>
 #include<string.h>
 #include<fstream>
 using namespace std;
 char nul[1]={""};
 char na[10]={"NA"};
 class Personal_Info
 {
 public:
     char name[100];
     char mobile[15];
     char email[15];
 public:
     Personal_Info()
     {
         strcpy(name,"NA");
         strcpy(mobile,"NA");
         strcpy(email,"NA");
     }
     void take_name();
     void take_mobile();
     void take_email();
     void show_full_info();
     void validate_mobile();
     void validate_name();
     void validate_email();
     int check(char field[]);
 };
 int Personal_Info::check(char field[])
 {
     return strcmp(name,field);
 }
 void Personal_Info::validate_name()
 {
     if(strcmp(name,nul)==0)
        {
             cout<<"\n..NAME NOT GIVEN...\n";
             cin.ignore();
             strcpy(name,na);
             take_name();
        }
 }
 void Personal_Info::validate_mobile()
 {
     if(strcmp(mobile,nul)==0)
     {
         cout<<"\n..MOBILE NO NOT GIVEN>>\n";
         strcpy(mobile,na);
         take_mobile();
     }
 }
 void Personal_Info::validate_email()
 {
     if(strcmp(email,nul)==0)
     {
         cout<<"\n..EMAIL NOT GIVEN..\n";
         strcpy(email,nul);
     }
 }
 void Personal_Info::show_full_info()
 {
     cout<<"\n***** DISPLAYING DETALIS ****\nS";
     cout<<"\nName      :"<<name;
     cout<<"\nMobile    :"<<mobile;
     cout<<"\nEmail     :"<<email;
 }
 void Personal_Info::take_name()
 {
     cout<<"\nEnter the name ->";
     cin.ignore();
     gets(name);
     validate_name();
 }
 void Personal_Info::take_mobile()
 {
     cout<<"\nEnter the mobile number ->";
     cin.ignore();
     gets(mobile);
     validate_mobile();
 }
 void Personal_Info::take_email()
 {
     cout<<"\nEnter the E-mail  ->";
     cin.ignore();
     gets(email);
     validate_email();
 }
 class Phonebook
 {
 	private:
 		 void save_info();
 	protected:
 		Personal_Info contact;
 	public:
 		void search_name();
 		void delete_data();
 		void show_all();
 		void get_data();
 };
 void Phonebook::save_info()
 {
     ofstream filout;
 	filout.open("data.bin",ios::out|ios::app|ios::ate);
 	int ch;
 
 	if(!filout)
 	{
 		cout<<"\n cannot open file \n";
 	}
 	cout<<"\n do you want to save this info (1. yes / 2. no) ?\n";
 	cin>>ch;
 	if(ch==1)
     {
         filout.write((char*)&contact,sizeof(contact));
     }
 	else if(ch==2)
 		cout<<"\n info discarded \n";
 	filout.close();
 }
 void Phonebook::get_data()
 {
 	contact.take_name();
 	contact.take_mobile();
     contact.take_email();
 	contact.show_full_info();
 	save_info();
 }
 void Phonebook::delete_data()
 {
 
 }
 void Phonebook::show_all()
 {
 	ifstream filout;
 	filout.open("data.bin");
 	filout.seekg(0,ios::beg);
 	cout<<"\n******* Displaying details ******\n";
 	if(!filout.good())
         cout<<"\n*** FILE IS DOES NOT EXIST ***\n";
     if(filout.good())
     {
         while(!filout.eof())
         {
             filout.read((char*)&contact,sizeof(contact));
             contact.show_full_info();
         }
     }
 }
 void Phonebook::search_name()
 {
 	int token;
 	char field[100];
 	cout<<"Enter the first name of the person you wanna search ?? \n";
 	cin.ignore();
 	gets(field);
 	cout<<"person to be searched is "<<field;
     cin.get();
     token=0;
 	ifstream readfil;
 	readfil.open("data.bin");
 	if(!readfil.good())
         cout<<"\n*** FILE IS DOES NOT EXIST ***\n";
     if(readfil.good())
     {
         while(!readfil.eof())
         {
             readfil.read((char*)&contact,sizeof(contact));
             if((contact.check(field))==1)
             {
                 token=1;
                 contact.show_full_info();
             }
         }
         if(token==0)
         {
             cout<<"\n*** PERSON NOT FOUND ***\n";
 
         }
     }
 }
 void gui()
 {
     int ch;
     Phonebook p;
     while(1)
         {
             cout<<"*********PHONE BOOK**********\n";
             cout<<"| 1) Add new record         |\n";
             cout<<"| 2) Display All Records    |\n";
             cout<<"| 3) Search Person Name     |\n";
             cout<<"| 4) Delete record          |\n";
             cout<<"| 5) Exit                   |\n";
             cout<<"*****************************\n";
             cout<<"Enter your desired operation : ";
             cin>>ch;
             switch(ch)
                 {
                     case 1:
                         p.get_data();
                         break;
                     case 2:
                         p.show_all();
                         break;
                     case 3:
                         p.search_name();
                         break;
                     case 4:break;
                     case 5:exit(1);
                     default:cout<<"\n Enter a valid choice";
                 }
         }
 }