src/utils.cpp


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#include "utils.hpp"
#include <climits>
#include <stdexcept>

unsigned int str_to_uint(std::string str)
{
	if (str.at(0) == '-')
		throw "Less than 0";

	std::size_t waste_pos;

	unsigned long num;

	try
	{
		num = std::stoul(str, &waste_pos, 10);
	}
	catch (const std::invalid_argument &exc)
	{
		throw "Not a number";
	}
	catch (const std::out_of_range &exc)
	{
		throw "Out of range";
	}

	if (waste_pos != str.length())
		throw "Not a number";

	if (num > UINT_MAX)
		throw "Out of range";

	return static_cast<unsigned int>(num);
}