public static bool TryParse(string input, IFormatProvider formatProvider, out Ratio result)
{
if (input != null)
{
var fractionIndex = input.IndexOf('/');
int numerator;
if (fractionIndex < 0)
{
if (int.TryParse(input, NumberStyles.Integer, formatProvider, out numerator))
{
result = new Ratio(numerator, 1);
return true;
}
}
else
{
int denominator;
if (int.TryParse(input.Substring(0, fractionIndex), NumberStyles.Integer, formatProvider, out numerator) &&
int.TryParse(input.Substring(fractionIndex + 1), NumberStyles.Integer, formatProvider, out denominator))
{
result = new Ratio(numerator, denominator);
return true;
}
}
}
result = default(Ratio);
return false;
}
public static bool TryParse(string input, out Ratio result)
{
return TryParse(input, CultureInfo.InvariantCulture, out result);
}