public RomanConverter()
{
//Use a factory to create these rules
toDecimalRules = RomanToDecimalFactory.GetRules();
//Initialize toDecimalMapper
romanToDecimalMapper = new Dictionary <string, int>();
romanToDecimalMapper.Add("I", 1);
romanToDecimalMapper.Add("V", 5);
romanToDecimalMapper.Add("X", 10);
romanToDecimalMapper.Add("L", 50);
romanToDecimalMapper.Add("C", 100);
romanToDecimalMapper.Add("D", 500);
romanToDecimalMapper.Add("M", 1000);
}
public ExpressionParser(AliasMapper aliasMap, IDecimalConverter converter, CommodityIndex commodityIndex)
{
helper = new ExpressionValidationHelper(aliasMap, commodityIndex);
expressions = RomanToDecimalFactory.GetExpressions(aliasMap, converter, commodityIndex, helper);
}