public override FieldObject Evaluate(RawRecord record)
{
string value1 = f1.Evaluate(record)?.ToValue;
string value2 = f2.Evaluate(record)?.ToValue;
JsonDataType targetType = DataType();
switch (targetType)
{
case JsonDataType.Boolean:
bool bool_value1, bool_value2;
if (bool.TryParse(value1, out bool_value1) && bool.TryParse(value2, out bool_value2))
{
switch (binaryType)
{
case BinaryExpressionType.BitwiseAnd:
return(new StringField((bool_value1 ^ bool_value2).ToString(), JsonDataType.Boolean));
case BinaryExpressionType.BitwiseOr:
return(new StringField((bool_value1 | bool_value2).ToString(), JsonDataType.Boolean));
case BinaryExpressionType.BitwiseXor:
return(new StringField((bool_value1 ^ bool_value2).ToString(), JsonDataType.Boolean));
default:
throw new QueryCompilationException("Operator " + binaryType.ToString() + " cannot be applied to operands of type \"boolean\".");
}
}
else
{
throw new QueryCompilationException(string.Format("Cannot cast \"{0}\" or \"{1}\" to values of type \"boolean\"",
value1, value2));
}
case JsonDataType.Bytes:
switch (binaryType)
{
case BinaryExpressionType.Add:
return(new StringField(value1 + value2.Substring(2), JsonDataType.Bytes));
default:
throw new QueryCompilationException("Operator " + binaryType.ToString() + " cannot be applied to operands of type \"bytes\".");
}
case JsonDataType.Int:
int int_value1, int_value2;
if (int.TryParse(value1, out int_value1) && int.TryParse(value2, out int_value2))
{
switch (binaryType)
{
case BinaryExpressionType.Add:
return(new StringField((int_value1 + int_value2).ToString(), JsonDataType.Int));
case BinaryExpressionType.BitwiseAnd:
return(new StringField((int_value1 & int_value2).ToString(), JsonDataType.Int));
case BinaryExpressionType.BitwiseOr:
return(new StringField((int_value1 | int_value2).ToString(), JsonDataType.Int));
case BinaryExpressionType.BitwiseXor:
return(new StringField((int_value1 ^ int_value2).ToString(), JsonDataType.Int));
case BinaryExpressionType.Divide:
return(new StringField((int_value1 / int_value2).ToString(), JsonDataType.Int));
case BinaryExpressionType.Modulo:
return(new StringField((int_value1 % int_value2).ToString(), JsonDataType.Int));
case BinaryExpressionType.Multiply:
return(new StringField((int_value1 * int_value2).ToString(), JsonDataType.Int));
case BinaryExpressionType.Subtract:
return(new StringField((int_value1 - int_value2).ToString(), JsonDataType.Int));
default:
return(new StringField(""));
}
}
else
{
throw new QueryCompilationException(string.Format("Cannot cast \"{0}\" or \"{1}\" to values of type \"int\"",
value1, value2));
}
case JsonDataType.Long:
long long_value1, long_value2;
if (long.TryParse(value1, out long_value1) && long.TryParse(value2, out long_value2))
{
switch (binaryType)
{
case BinaryExpressionType.Add:
return(new StringField((long_value1 + long_value2).ToString(), JsonDataType.Long));
case BinaryExpressionType.BitwiseAnd:
return(new StringField((long_value1 & long_value2).ToString(), JsonDataType.Long));
case BinaryExpressionType.BitwiseOr:
return(new StringField((long_value1 | long_value2).ToString(), JsonDataType.Long));
case BinaryExpressionType.BitwiseXor:
return(new StringField((long_value1 ^ long_value2).ToString(), JsonDataType.Long));
case BinaryExpressionType.Divide:
return(new StringField((long_value1 / long_value2).ToString(), JsonDataType.Long));
case BinaryExpressionType.Modulo:
return(new StringField((long_value1 % long_value2).ToString(), JsonDataType.Long));
case BinaryExpressionType.Multiply:
return(new StringField((long_value1 * long_value2).ToString(), JsonDataType.Long));
case BinaryExpressionType.Subtract:
return(new StringField((long_value1 - long_value2).ToString(), JsonDataType.Long));
default:
return(new StringField(""));
}
}
else
{
throw new QueryCompilationException(string.Format("Cannot cast \"{0}\" or \"{1}\" to values of type \"long\"",
value1, value2));
}
case JsonDataType.Double:
double double_value1, double_value2;
if (double.TryParse(value1, out double_value1) && double.TryParse(value2, out double_value2))
{
switch (binaryType)
{
case BinaryExpressionType.Add:
return(new StringField((double_value1 + double_value2).ToString(), JsonDataType.Double));
case BinaryExpressionType.Divide:
return(new StringField((double_value1 / double_value2).ToString(), JsonDataType.Double));
case BinaryExpressionType.Modulo:
return(new StringField((double_value1 % double_value2).ToString(), JsonDataType.Double));
case BinaryExpressionType.Multiply:
return(new StringField((double_value1 * double_value2).ToString(), JsonDataType.Double));
case BinaryExpressionType.Subtract:
return(new StringField((double_value1 - double_value2).ToString(), JsonDataType.Double));
default:
throw new QueryCompilationException("Operator " + binaryType.ToString() + " cannot be applied to operands of type 'double'.");
}
}
else
{
throw new QueryCompilationException(string.Format("Cannot cast \"{0}\" or \"{1}\" to values of type \"double\"",
value1, value2));
}
case JsonDataType.Float:
float float_value1, float_value2;
if (float.TryParse(value1, out float_value1) && float.TryParse(value2, out float_value2))
{
switch (binaryType)
{
case BinaryExpressionType.Add:
return(new StringField((float_value1 + float_value2).ToString(), JsonDataType.Float));
case BinaryExpressionType.Divide:
return(new StringField((float_value1 / float_value2).ToString(), JsonDataType.Float));
case BinaryExpressionType.Modulo:
return(new StringField((float_value1 % float_value2).ToString(), JsonDataType.Float));
case BinaryExpressionType.Multiply:
return(new StringField((float_value1 * float_value2).ToString(), JsonDataType.Float));
case BinaryExpressionType.Subtract:
return(new StringField((float_value1 - float_value2).ToString(), JsonDataType.Float));
default:
throw new QueryCompilationException("Operator " + binaryType.ToString() + " cannot be applied to operands of type 'float'.");
}
}
else
{
throw new QueryCompilationException(string.Format("Cannot cast \"{0}\" or \"{1}\" to values of type \"float\"",
value1, value2));
}
case JsonDataType.String:
switch (binaryType)
{
case BinaryExpressionType.Add:
return(new StringField(value1 + value2));
default:
throw new QueryCompilationException("Operator " + binaryType.ToString() + " cannot be applied to operands of type \"string\".");
}
case JsonDataType.Date:
throw new NotImplementedException();
case JsonDataType.Null:
return(null);
default:
throw new QueryCompilationException("Unsupported data type.");
}
}
