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Date: Tue, 6 Jun 2006 08:18:42 -0500
From: "Dominique Devienne" <ddevienne@gmail.com>
To: "Ant Developers List" <dev@ant.apache.org>
Subject: Re: how to call macros dynamically?
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Is your motivation being able to have conditionals in disguise, i.e.
be able to write

<run-macro name=3D"${do-this}" />

? Otherwise I can't see the use for this. Just curious ;-) Thanks, --DD

On 6/6/06, Wolfgang H=E4felinger <whaefelinger@epo.org> wrote:
> Hi,
>
> I wonder how  to  implement a task (in Java) allowing me to execute
> a macro. I tried to understand how it works looking into Ant's source
> code, but I'm bit lost. Would be kind if someone could give me a
> "roadmap" how to do it ..
>
> What I'm looking for is something like ..
>
> Assume I have a macro:
>
> <macrodef name=3D"x">
>  <attribute name=3D"a" default=3D"hello" />
>  ..
>  </macrodef>
>
> Then I want to be able to say
>
>   <run-macro name=3D"x" />
>
> instead of
>
>  <x/>
>
> For the beginning I'm happy to call a macro without any parameters like
> shown. Even better would be to be able to provide parameters as well:
>
>  <run-macro name=3D"x" a=3D"hello, world" />    <!-- utopia -->
>
>  <run-macro name=3D"x">
>   <param name=3D"a" value=3D"hello, world" />
>  </run-macro>
>
> Any hints?
>
> Cheers,
> Wolfgang.
>
>
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