private static void DisplayToken(IToken token)
{
var score = TokenWeightResolver.Invoke(token);
var tokenInfo = $"{token.GetType().Name}";
var valueInfo = "[value = {0}]";
var scoreInfo = $"[score = {score}]";
valueInfo = token switch
{
LiteralToken literalToken => string.Format(valueInfo, $"'{literalToken.Value}'"),
LiteralAmountToken literalAmountToken => string.Format(valueInfo, literalAmountToken.Amount),
FractionalAmountToken fractionalAmountToken => string.Format(valueInfo, GetRepresentation(fractionalAmountToken)),
RangeAmountToken rangeAmountToken => string.Format(valueInfo, GetRepresentation(rangeAmountToken)),
UnitToken unitToken => string.Format(valueInfo, unitToken.Unit),
FormToken formToken => string.Format(valueInfo, formToken.Form),
IngredientToken ingredientToken => string.Format(valueInfo, ingredientToken.Ingredient),
_ => string.Empty
};
var output = $"-> {tokenInfo}\n\t{valueInfo}\n\t{scoreInfo}";
Console.WriteLine(output);
}
/// <summary>
/// Visits a <see cref="FractionalAmountToken"/>.
/// </summary>
/// <param name="token">A <see cref="FractionalAmountToken"/> instance.</param>
public void Visit(FractionalAmountToken token)
{
_parseResult.Details.Amount = token.WholeNumber != null ?
$"{token.WholeNumber.Amount} {token.Numerator.Amount}/{token.Denominator.Amount}" :
$"{token.Numerator.Amount}/{token.Denominator.Amount}";;
}
/// <summary>
/// Initializes a new instance of the <see cref="RangeAmountToken"/> class.
/// </summary>
/// <param name="lowerBound">
/// A <see cref="FractionalAmountToken"/> instance representing the lower bound of the range.
/// </param>
/// <param name="upperBound">
/// A <see cref="FractionalAmountToken"/> instance representing the upper bound of the range.
/// </param>
internal RangeAmountToken(FractionalAmountToken lowerBound, FractionalAmountToken upperBound)
{
LowerBound = lowerBound;
UpperBound = upperBound;
}
private bool Fraction(InputBuffer buffer, out FractionalAmountToken fraction) => ExecuteRules(GetFractionRules, buffer, out fraction);
private static string GetRepresentation(FractionalAmountToken fraction) =>
fraction.WholeNumber != null ?
$"{fraction.WholeNumber.Amount} {fraction.Numerator.Amount}/{fraction.Denominator.Amount}" :
$"{fraction.Numerator.Amount}/{fraction.Denominator.Amount}";
