Cpp Project : Criminal Investigation

Cpp Project : Criminal Investigation

 

 

#include <iostream.h>

#include <fstream.h>

#include <stdio.h>

#include<string.h>

class crim_rec

{

    char name[20], sex, fathr_name[20], addrs[25], offense[20], blood[5], dob[9];

    int crim_code, reward;

    void disp();

public:

    void get();

    void wtf();

    void rff();

    void search();

    void del();

    void mod();

}c;

void crim_rec::get()

{

    puts("\nEnter name of criminal:");

    gets(name);

    puts("\nSex (m/f):");

    cin>>sex;

    puts("\nEnter date of birth:");

    gets(dob);

    puts("Enter blood group (Ap/An/Bp/Bn/ABp/ABn/Op/On:");

    gets(blood);

    puts("\nEnter father's name:");

    gets(fathr_name);

    puts("Enter address:");

    gets(addrs);

    puts("\nEnter crime commited:");

    gets(offense);

    puts("\nEnter reward on criminal:");

    cin>>reward;

}

void crim_rec::disp()

{

    cout<<"The record of criminal:\n";

    cout<<"\nName of criminal: "<<name;

    cout<<"\nsex: "<<sex;

    cout<<"\nDOB: "<<dob;

    cout<<"\nBlood Group: "<<blood;

    cout<<"\nFather's name: "<<fathr_name;

    cout<<"\nAddress: "<<addrs;

    cout<<"\nCrime: "<<offense;

    cout<<"\nReward: "<<reward;

}

void crim_rec::wtf()

{

    ofstream ofile;

    ofile.open("CBI", ios::app);

    get();

    ofile.write((char*)&c, sizeof(c));

    ofile.close();

}

void crim_rec::rff()

{

    ifstream ifile;

    ifile.open("CBI");

    ifile.seekg(0, ios::beg);

    ifile.read((char*)&c, sizeof(c));

    while(ifile)

    {

        disp();

        ifile.read ((char*)&c, sizeof(c));

    }

    ifile.close();

}

void crim_rec::search()

{

    char m[20];

    ifstream ifile("CBI");

    puts("Enter name of criminal which has to be searched");

    gets(m);

    ifile.seekg (0, ios::beg);

    ifile.read((char*)&c, sizeof(c));

    while(ifile)

    {

        if (strcmpi(m, name)==0)

            disp();

            ifile.read((char*)&c, sizeof(c));

    }

    ifile.close();

}

void crim_rec::del()

{

    char b[20];

    ifstream ifile;

    ifile.open("CBI", ios::app);

    ofstream ofile;

    ofile.open("new", ios::app);

    puts("Enter the name of the criminal whose records you want to del");

    gets(b);

    ifile.seekg (0, ios::beg);

    ifile.read((char*)&c, sizeof(c));

    while(ifile)

    {

        if (strcmpi(b, name))

            ofile.write((char*)&c, sizeof(c));

        ifile.read((char*)&c, sizeof(c));

    }

    ifile.close();

    ofile.close();

    remove ("CBI");

    rename("new", "CBI");

}

void crim_rec::mod()

{

    char d[20];

    int p;

    puts("\nEnter name of criminal whose record you want to modify\n");

    gets(d);

    fstream f;

    f.open("CBI", ios::in|ios::out);

    f.seekg(0, ios::beg);

    f.read((char*)&c, sizeof(c));

    int a=f.tellg();

    while(! f.eof())

    {

        if (!strcmpi(d, name))

        {

            puts("\nPress 1 to change name\nPress 2 to change sex\nPress 3 to change date of birth\nPress 4 to change blood group\nPress 5 to change father's name\nPress 6 to change address\nPress 7 to change crime committed\nPress 8 to change reward on criminal\n");

            cin>>p;

            switch(p)

            {

            case 1:

                gets(name);

                break;

            case 2:

                cin>>sex;

                break;

            case 3:

                gets(dob);

                break;

            case 4:

                gets(blood);

                break;

            case 5:

                gets(fathr_name);

                break;

            case 6:

                gets(addrs);

                break;

            case 7:

                gets(offense);

                break;

            case 8:

                cin>>reward;

                break;

            }

            f.seekg(a-sizeof(c), ios::beg);

            f.write((char*)&c, sizeof(c));

        }

        f.read((char*)&c, sizeof(c));

        a=f.tellg();

    }

    f.close();

}

void main ()

{

    int ch;

    char choice;

    do

    {

    cout<<"\t Central Bureau of Investigation";

    cout<<"\n ********************************************";

    cout<<"\n\n   1. View criminal details                 ";

    cout<<"\n\n   2. Add new criminal details              ";

    cout<<"\n\n   3. Search a criminal record              ";

    cout<<"\n\n   4. Delete a criminal record              ";

    cout<<"\n\n   5. Modify a criminal record              ";

    cout<<"\n ********************************************";

    cout<<"\n\n Enter your choice: ";

    cin>>ch;

    switch(ch)

    {

    case 1:

             c.rff();    

        break;

    case 2:

            c.wtf();

            break;

    case 3:

            c.search();

            break;

    case 4:

        c.del();

        break;

    case 5:

        c.mod();

        break;

    default:

        {

        cout<<"\nerror!";

        }

        break;

    }

    cout<<"\ncontinue? (y/n)\n";

    cin>>choice;

    }while(choice=='y');

    cout<<"\nGood bye\n\n\n";

}