PeriodicFile.cpp

#include<iostream>
#include<string.h>
#include<fstream>
#include<cstdlib>


using namespace std;
/**************************************************/
//      CLASS DEFINATION FOR THE ELEMENT
/*************************************************/
class Element{
public: int atno;
    int group, period, K, L, M, N, O, P, Q;
    float mass, density;
    char name[20], symbol[4];

    //  CONSTRUCTOR OF THE CLASS //
    /*Element()
    { atno=period=1;
	  K=0,L=0,M=0,N=0,P=0,Q=0;
	  group=0;
	  mass=0;
	  strcpy(name,"Hydrogen");
	  strcpy(symbol,"H");
    } */

    void def_atno()
    { static int x=1;
        atno=x;
        ++x;
    }
    // FUNCTION RETURNS ATOMIC NUMBER
    int get_atno()
    {
        return atno;
    }
    //  FUNCTION THAT DISPLAYS PROPERTIES OF ELEMENTS
    void Display()
    { cout<<"\nElement name:"<<name;
        cout<<"\nSymbol:"<<symbol;
        cout<<"\nAtomic Number:"<<atno;
        cout<<"\nGroup:"<<group;
        cout<<"\nPeriod:"<<period;
        cout<<"\nMass:"<<mass;
        cout<<"\nElectrons in shell";
        cout<<"\n K     L     M     N     O     P    Q\n";
        cout<<K<<"    "<<L<<"    "<<M<<"    "<<N<<"    "<<O<<"    "<<P<<"    "<<Q;
    }
     void getele()
      {  cout<<"\nEnter Element's Name:";cin>>name;
         cout<<"\nEnter Atomic Number:";cin>>atno;
         cout<<"\nEnter Element's Symbol:";cin>>symbol;
         cout<<"\nEnter Element's Group:";cin>>group;
         cout<<"\nEnter Element's Period:";cin>>period;
         cout<<"\nEnter Element's Mass:";cin>>mass;
         cout<<"\nElectrons in shell";
         cout<<"K:";cin>>K;
         cout<<"L:";cin>>L;
         cout<<"M:";cin>>M;
         cout<<"N:";cin>>N;
         cout<<"O:";cin>>O;
         cout<<"P:";cin>>P;
         cout<<"Q:";cin>>Q;
      }
};
/**************************************************************/
//    FUNCTION SORT USED TO SHOW A THOSE ELEMENTS IN A PART
//             YOU HAVE CHOOSEN A RANGE OF IT
/**************************************************************/
void Sort(int a,int b,Element A[118])
{  for(int i=a-a;i<=b-a;++i)
    { for(int j=a-a;j<b-a-i;++j)
        { if (strcmpi(A[a+j].name,A[a+j+1].name)>0)
            { char temp[20];
                strcpy(temp, A[j+a].name);
                strcpy(A[j+a].name, A[j+a+1].name);
                strcpy(A[j+a+1].name,temp);
            }
        }
    }
    cout<<"\n Selected Range of Elemets Sorted Alphabetically:\n" ;
    for(int k=a;k<=b;++k)
    {
        cout<<A[k].name<<endl;
    }
}
/**********************************************************************/
//   FUNCTION THAT TAKE ELEMENTS' PROPERTIES FROM THE FILE AND STORE
//          THEM IN THE ARRAY OF OBJECT A[ ] OF CLASS ELEMENTS
/**********************************************************************/
void definition(Element A[118])
{ ifstream table("Periodic.txt");
    table.seekg(0);
    for(int i=0;i<118;i++)
    {
        table.read((char*)&A[i], sizeof(A[i]));
    }
    table.close();
}
/**********************************************/
//  MAIN FUNCTION CONTROL WHOLE PROGRAM
/**********************************************/
int main()
{  Element E[120];
    char ch='i'; int i=0;
    while(ch!='5')
    {
        definition(E);
        cout<<"\n\t \t 1.Search element by Name/ Symbol";
        cout<<"\n\t \t 2.Search element by Atomic Number";
        cout<<"\n\t \t 3.Sort Alphabetically";
        cout<<"\n\t \t 4.Display Periodic Table";
        cout<<"\n\t \t 5.EXIT";
        cout<<"\n Enter your choice(1-5):"; cin>>ch;
        switch(ch)
        { case '1': { char Sname[20];
                cout<<"\nEnter element Name / Symbol:"; cin>>Sname;
                for(i=0; i<118; i++)
                {
                    if(_strcmpi(Sname,E[i].name)==0 || _strcmpi(Sname,E[i].symbol)==0)
                    {
                        E[i].Display();
                    }
                }
            }
                break;
            case '2': { int Ano;
                cout<<"\nEnter atomic number:"; cin>>Ano;
                for(i=0;i<118;i++)
                { if(Ano==E[i].get_atno())
                    {
                        E[i].Display();
                    }
                }
            }
                break;
            case '3': int min,max;
                do{
                    cout<<"\nEnter Range of Atomic Numbers:";
                    cin>>min>>max;
                }while(min<1||max>118);
                Sort(min-1,max-1,E);
                break;
            case '4': cout<<"\nSTILL WORK GOING ON";
                break;
            case '5': exit(0);
                break;
                case 'i': { i=0; char ans='y';
                              ofstream table;
                              table.open("Periodic.txt",ios::out|ios::app);
                              while(ans=='y')
                              { E[i].getele();
                                table.write((char*)&E[i], sizeof(E[i]));
                                cout<<"\nWant to Enter More Elements?(Y/N)..";
                                cin>>ans; i++;
                              }
                              table.close();
                            }
                            break;
            default: { cout<<"\nINVALID CHOICE";}
        }
    }
    return 0;
}