private static bool UnitsMatch(ValueUnits data1, ValueUnits data2)
{
string unit1 = data1.units.ToLower().TrimEnd('s');
string unit2 = data2.units.ToLower().TrimEnd('s');
return(unit1 == unit2);
}
private void GetQuestionData(string fact, string question, bool fromKahnAcademy, out ValueUnits data1, out ValueUnits data2, out ValueUnits questionValueUnit, out double data1Value, out double data2Value, out double questionValue)
{
FactData factData = FactData.Create(fact);
data1 = ValueUnits.Create(factData.data1);
data2 = ValueUnits.Create(factData.data2);
questionValueUnit = ValueUnits.Create(question);
data1Value = GetDataValueFrom(data1.value, fromKahnAcademy);
data2Value = GetDataValueFrom(data2.value, fromKahnAcademy);
questionValue = GetDataValueFrom(questionValueUnit.value, fromKahnAcademy);
}
/// <summary>
/// Creates a new ValueUnits based on the specified input text.
/// </summary>
/// <param name="input">The input text to get a match for. For example, "9 hours".</param>
/// <returns>Returns the new ValueUnits, or null if a no matches were found for the specified input.</returns>
public static ValueUnits Create(string input)
{
const string pattern = @"(?<value>[+-]?((\d+(\.\d+)?)))\s*(?<units>\w+)";
Regex regex = new Regex(pattern);
MatchCollection matches = regex.Matches(input);
if (matches.Count == 0)
{
return(null);
}
ValueUnits valueUnits = new ValueUnits();
valueUnits.value = RegexHelper.GetValue <string>(matches, "value");
valueUnits.units = RegexHelper.GetValue <string>(matches, "units");
return(valueUnits);
}