On Sun, 7 Apr 2002 20:02, Jose Alberto Fernandez wrote:
> > I just wanted to get peoples opinion on something I been playing with.
> > Currently in myrmidon the followin attributes will get identical values
> >
> > myAttribute="${value}"
> > myAttribute-ref="value"
>
> To me it all depends on the meaning of "${value}". The way I see it
> "${value}" corresponds to the string representation of "value". I say this,
> because it should not matter whether I pass "${value}" or "${value} is a
> value" the ${} operator should behave the same.
>
Perhaps some background might be useful. In myrmidon, properties are treated
as objects, rather than as strings. A property value may be a string, or a
fileset, or a command-line, or whatever. This changes the meaning of ${prop}
and myAttribute="${prop}" from ant1:
${prop} evaluates to the value of the property, rather than the string
representation of the value.
myAttribute="${prop}" sets the attribute with the value of the property,
without converting to a string, and back again. If the value is not of the
expected type, myrmidon attempts to convert the value directly to the
expected type (without the intermediate convert-to-string step).
Given this, the "-ref" form becomes a bit superfluous. Of course, we don't
know that 'all properties are objects' is a good way for things to work yet,
but so far it seems an improvement over the all-strings approach of ant1.
--
Adam
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