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#include <fstream>
#include <string>
#include <iostream>
#include "conio.h"
using namespace std;
struct name
{
string namef;
string namel;
};
struct infof
{
int marks;
string category;
string group;
};
struct form
{
int formno;
int session;
name personal;
infof data;
};
struct grade
{
int om;
int army;
int def;
};
struct infom
{
int listno;
grade quota;
string group;
};
struct list
{
int session;
infom data;
};
struct infoi
{
int listno;
string quota;
string group;
};
struct input
{
int session;
infoi category;
};
void appendStudentToFile(const char *fileName, form &student)
{
ofstream fs(fileName, ios::app);
fs << student.formno << '\t'
<< student.personal.namef << '\t'
<< student.personal.namel << '\t'
<< student.data.marks << '\t'
<< student.data.group << '\t'
<< student.data.category << '\t'
<< student.session << '\n';
}
// Return true if str is in the string of possibilities.
// Possibilities must be space separated. Str can't have any spaces in it
bool isOneOf(const string &str, const string &possibilities)
{
// add spaces before and after both strings, then search for the
// modified key in the string. For example, if str is "hello" and
// possibilities is "hello world" then we end of searching for "
// hello " in " hello world ". By adding the spaces, we ensure
// that it won't match a substring, or miss the first or last
// possibility
string p = " " + possibilities + " ";
string key = " " + str + " ";
return p.find(key) != string::npos;
}
int
menu_generate()
{
cin.clear();
cin.ignore(numeric_limits < streamsize >::max(), '\n');
start_generate:
system("cls");
form student;
list merit;
input generate;
string col[2], in, record;
char cmd;
system("cls");
cout << "\n\t\t Generate" << endl;
cout << "_________________________________________" << endl;
cout << "Back\t\t\t\t\tX\n" << endl;
cout << "\n Hint: The Capital Letters Represents\n\tthe Input Commands." << endl;
cout << "\n\tSession: ";
getline(cin, in);
if (in == "b") {
system("cls");
return (0);
}
if (in == "x") {
system("cls");
exit(0);
}
generate.session = stoi(in);
if (!((generate.session >= 0) && (generate.session <= 9999))) {
cout << "\t ERROR! Session out of bound.";
getch();
system("cls");
goto start_generate;
}
cout << "\tMerit List: ";
getline(cin, in);
if (in == "b") {
system("cls");
return (0);
}
if (in == "x") {
system("cls");
exit(0);
}
generate.category.listno = stoi(in);
if (!((generate.category.listno >= 1) && (generate.category.listno <= 3))) {
cout << "\t ERROR! MeritList out of bound.";
getch();
system("cls");
goto start_generate;
}
cout << "\n\t Quota: ";
getline(cin, in);
if (in == "b") {
system("cls");
return (0);
}
if (in == "x") {
system("cls");
exit(0);
}
generate.category.quota = in;
if (!isOneOf(generate.category.quota, "civ om army def gov")) {
cout << "\t ERROR! Quota out of bound.";
getch();
system("cls");
goto start_generate;
}
cout << "\t Group: ";
getline(cin, in);
if (in == "b") {
system("cls");
return (0);
}
if (in == "x") {
system("cls");
exit(0);
}
generate.category.group = in;
if (!isOneOf(generate.category.group, "cs econ stats engg med")) {
cout << "\t ERROR! Group out of bound.";
getch();
system("cls");
goto start_generate;
}
cout << "\n\t Are you Sure? (y/n): ";
in = getche();
if (!(in == "y"))
goto start_generate;
ifstream fetch_candidate("candidates.txt", ios::in);
if (!fetch_candidate) {
cout << "\tERROR! \'candidates.txt\' Not Found." << endl;
getch();
system("cls");
return (0);
}
while (fetch_candidate >> student.formno) {
getline(fetch_candidate >> ws, student.personal.namef, '\t');
getline(fetch_candidate >> ws, student.personal.namel, '\t');
fetch_candidate >> student.data.category
>> student.data.group >> student.data.marks >> student.session;
if (generate.session != student.session) {
continue; // skip it
}
ifstream fetch_merit("merit.txt", ios::in);
if (!fetch_merit) {
cout << "\n\t ERROR! \'merit.txt\' Not Found.";
getch();
system("cls");
return (0);
}
while (fetch_merit >> merit.session
>> merit.data.listno
>> merit.data.group
>> merit.data.quota.om
>> merit.data.quota.army >> merit.data.quota.def) {
if (generate.session == merit.session &&
generate.category.listno == merit.data.listno &&
generate.category.group == merit.data.group &&
generate.category.group == student.data.group) {
if ((((generate.category.quota == "civ")
|| (generate.category.quota == "om"))
&& (student.data.category == "civ"))
&& (student.data.marks >= merit.data.quota.om)) {
appendStudentToFile("LISTOM.txt", student);
}
if (((generate.category.quota == "def") || (generate.category.quota == "gov")) &&
(student.data.category == generate.category.quota) &&
(student.data.marks >= merit.data.quota.def)) {
appendStudentToFile("LISTDefGov.txt", student);
}
if (((generate.category.quota == "army")
&& (student.data.category == "army"))
&& (student.data.marks >= merit.data.quota.army)) {
appendStudentToFile("LISTArmy.txt", student);
}
}
}
}
cout << "\n\tMerit List Successfully Generated!";
getch();
goto start_generate;
}
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