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validation.h
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validation.h
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#pragma once
#include <iostream>
#include <iomanip>
#include <ctime>
using namespace std;
const string str_ERROR = "\nERROR OCCURED: ";
const string str_INVALID = "Ivalid data type entered.\n\n";
const string str_MIN = "Please enter a positive number.\n\n";
const string str_REQ = "Value does not meet given requirement.\n\n";
inline void clrStream() {
cin.clear();
cin.ignore(10000, '\n');
}
template <class TYPE>
inline TYPE getInput(TYPE &input, string coutStatement, string minRange) {
while (true) {
cout.width(40);
cout << left << coutStatement;
if (getline(cin >> ws, input) && input >= minRange) {
cin.clear();
for (int i = 0; i < input.length(); i++) {
if (input[i] == 44) {
input[i] = 46;
}
}
return input;
}
else {
cin.clear();
cout << str_ERROR << str_INVALID;
}
}
}
template <class TYPE>
inline TYPE getInput(TYPE &input, string coutStatement) {
while (true) {
int w = 40;
if (coutStatement == "") { w = 0; }
cout.width(w);
cout << left << coutStatement;
if (w == 0) { cout << ">> "; };
if (cin >> input) {
if (input <= 0) {
clrStream();
cout << str_ERROR << str_MIN;
}
else {
clrStream();
return input;
}
}
else {
clrStream();
cout << str_ERROR << str_INVALID;
}
}
}
template <class TYPE>
inline TYPE getInput(TYPE &input, string coutStatement, TYPE v1, TYPE v2, int w) {
while (true) {
cout.width(w);
cout << left << coutStatement;
if (cin >> input) {
if (input < v1 || input > v2) {
clrStream();
cout << str_ERROR << str_REQ;
if (w == 0) { cout << ">> "; };
}
else {
clrStream();
return input;
}
}
else {
clrStream();
cout << str_ERROR << str_INVALID;
if (w == 0) { cout << ">> "; };
}
}
}
inline int getYear() {
time_t t = time(NULL);
tm *timePtr = localtime(&t);
return timePtr->tm_year + 1900;
}