bulls-and-cows-cpp/bulls-and-cows-cpp/CUserInput.cpp

// Bulls and Cows the game
// CUserInput.cpp
//
#include "CUserInput.h"

CUserInput::CUserInput(int nNumOfDigits)
{
	m_nNumOfExpectedDigits = nNumOfDigits;
}

bool CUserInput::Get()
{
	std::wstring sDigits;
	wchar_t cDigit;
	int nDigit;

	std::getline(std::wcin, sDigits);

	if (sDigits.length() != m_nNumOfExpectedDigits)
	{
		return false;
	}

	for (unsigned i = 0; i < m_nNumOfExpectedDigits; i++)
	{
		cDigit = sDigits.at(i);
		if (!(bool)std::iswdigit(cDigit))
		{
			m_vUserInput.clear();
			return false;
		}
		nDigit = ((int)cDigit) - 48;
		m_vUserInput.push_back(nDigit);
	}
	return true;
}