Julio Maia writes:
> I'm trying to create a tag to evaluate the expression passed to it, adding in the
>expression eval namespace a variable that contains the result of dtml processing of
>the tag's block. For instance, the following construct:
>
> <dtml-bvar "foo(a=1)" var="block">
> some text <dtml-var "1+2">
> </dtml-bvar>
>
> would invoke the expression "foo(a=1)" with a variable named 'block' set to 'some
>text 3' in the expression's namespace (btw, is it possible to achieve this using
>regular dtml?).
What a construction! I do not like it.
> However, I couldn't find a way to set a variable in the namespace used in the
>evaluation of the expression. I've tried to insert an entry in the mappings passed to
>the expression eval() method as follows:
Push a new mapping onto the namespace (with its "push" method).
Do not forget, to pop it after your tag.
Dieter
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