private NumberExtractor(NumberMode mode = NumberMode.Default)
{
var builder = ImmutableDictionary.CreateBuilder <Regex, string>();
//Add Cardinal
CardinalExtractor cardExtract = null;
switch (mode)
{
case NumberMode.PureNumber:
cardExtract = CardinalExtractor.GetInstance(NumbersDefinitions.PlaceHolderPureNumber);
break;
case NumberMode.Currency:
builder.Add(new Regex(NumbersDefinitions.CurrencyRegex, RegexOptions.Singleline), "IntegerNum");
break;
case NumberMode.Default:
break;
}
if (cardExtract == null)
{
cardExtract = CardinalExtractor.GetInstance();
}
builder.AddRange(cardExtract.Regexes);
//Add Fraction
var fracExtract = FractionExtractor.GetInstance();
builder.AddRange(fracExtract.Regexes);
Regexes = builder.ToImmutable();
}
public static FractionExtractor GetInstance(string placeholder = "")
{
if (!Instances.ContainsKey(placeholder))
{
var instance = new FractionExtractor();
Instances.TryAdd(placeholder, instance);
}
return(Instances[placeholder]);
}