public override Token ProcessOperator(Token leftToken, Token rightToken)
{
return new Token(DateTime.Parse(leftToken.Content, CultureInfo.InvariantCulture).AddDays(
Int32.Parse(rightToken.Content, CultureInfo.InvariantCulture)).ToString(
CultureInfo.InvariantCulture),
TokenType.Date);
}
public override Token ProcessOperator(Token leftToken, Token rightToken)
{
if (leftToken.TokenType == TokenType.Date && rightToken.TokenType == TokenType.Number)
{
return new Token(DateTime.Parse(leftToken.Content, CultureInfo.InvariantCulture).AddDays(
-Int32.Parse(rightToken.Content, CultureInfo.InvariantCulture)).ToString(
CultureInfo.InvariantCulture),
TokenType.Date);
}
else if (leftToken.TokenType == TokenType.Date && rightToken.TokenType == TokenType.Date)
{
return new Token(
DateTime.Parse(leftToken.Content, CultureInfo.InvariantCulture).Subtract(
DateTime.Parse(rightToken.Content, CultureInfo.InvariantCulture)).Days.ToString(CultureInfo.InvariantCulture),
TokenType.Number
);
}
else
{
throw new ArgumentException(String.Format("Operator doesn't support this data types. Lvalue:{0} Rvalue:{1}", leftToken.TokenType, rightToken.TokenType));
}
}
public abstract Token ProcessOperator(Token leftToken, Token rightToken);
public override Token ProcessOperator(Token leftToken, Token rightToken)
{
return new Token(leftToken.Content + rightToken.Content, TokenType.String);
}
public static TokenOpeartor Make(Token leftToken, Token rightToken, Token operatorToken)
{
if (Mapping.ContainsKey(leftToken.TokenType) && Mapping[leftToken.TokenType].ContainsKey(rightToken.TokenType))
return Mapping[leftToken.TokenType][rightToken.TokenType][operatorToken.Content];
else
throw new ArgumentException("Operator not found for given types");
}
public static Token ProcessOperator(Token leftToken, Token rightToken, Token operatorToken)
{
TokenOpeartor to = TokenOperatorFactory.Make(leftToken, rightToken, operatorToken);
return to.ProcessOperator(leftToken, rightToken);
}
public override Token ProcessOperator(Token leftToken, Token rightToken)
{
return new Token((Decimal.Parse(leftToken.Content, System.Globalization.CultureInfo.InvariantCulture)
- Decimal.Parse(rightToken.Content, System.Globalization.CultureInfo.InvariantCulture)).ToString(System.Globalization.CultureInfo.InvariantCulture),
TokenType.Number);
}
