Re: [gobo-eiffel-develop] geant script for recursive shorts ..

[Geoff E. <gel...@pr...>]

Hi Sven,

On Thu, 28 Feb 2002, Sven Ehrke wrote:

> Eldridge Geoff <Geo...@tg...> schrieb am 28.02.02:
[..]

> > I would like to use geant for the task of creating and maintaining
> > the short class forms for the elj project. The details of my setup
>=20
> I guess you want to use SmallEiffel's "short" commandline tool to do
> this. I am just saying this because one day we might be able to produce
> the short forms with the help of GOBO and not with tools like
> SmallEiffel's 'short'.

Nice to know ..

Thanks for the following details .. it has helped me a lot to understand
what is happening.  I am not desparate for the behaviour to be
implemented, please implement in your own time, I can wait.

Thanks .. GEoff

> Now to your question:
> The answer at the moment is no. I'll try to show a possible way
> how to improve geant to support this:
>=20
> Currently the fileset/map combination
> is able to select the files you want:
> ___________________________________________________________
> <fileset
>   directory=3D"${ELJ}"
>   include=3D"@(lib/ccl/**/*.e|lib/common/eiffel/common)"
> />
> ___________________________________________________________
>=20
> But to use SmallEiffel's 'short' tool you have to use the <exec>
> task:
>=20
>   <exec executable=3D"short ..."/>
>=20
> Now the <exec> task does not support a nested <fileset> element but
> I think it would make sense if it would.
> It could look like this for example:
> __________________________________________________________
> <exec executable=3D"short -html2 ${fs.filename} > ${fs.mapped_filename}">
>   <fileset
>     directory=3D"${ELJ}"
>     include=3D"@(lib/ccl/**/*.e|lib/common/eiffel/common)"
>   >
>     <map type=3D"glob" from=3D"*.e" to=3D"*.html"/>
>   </fileset>
> </exec>
> ___________________________________________________________
>=20
> ${fs.filename} and ${fs.mapped_filename} here would be
> variables set while iterating over the fileset
> right before the 'executable' argument is evaluated and executed.
> It should also be possible to define these names like it is done with
> the <outofdate> task.
>=20
> The fileset task probably has to provide another boolean attribute
> called for example 'include_outofdate' (which is only available with
> a nested <map> element):
> ___________________________________________________________
>   <fileset
>     directory=3D"${ELJ}"
>     include=3D"@(lib/ccl/**/*.e|lib/common/eiffel/common)"
>     include_outofdate=3D"false"
>   >
>     <map type=3D"glob" from=3D"*.e" to=3D"*.html"/>
>   </fileset>
> ___________________________________________________________
> By specifying 'false' for 'include_outofdate' we only include
> that eiffel files which are newer than their corresponding html files.
>=20
> >=20
> > I must admit I have no idea how the map works.
>=20
> Yes. Sorry about the lack of documentation.
> We are currently working on how to produce documentation in GOBO.
> I am trying to keep
>=20
>   $GOBO/examples/geant/**
>=20
> up to date. Maybe this helps a bit. The wildcard syntax for filesets
> works like in bash with the exception that '**' means arbitrary deep
> directories.
>=20
> If nobody has objections or better ideas I'll start to implement
> it.
>=20
> Geoff:
> I hope you can wait some days until this is supported.
>=20
> Thank you very much for your input.
>=20
> - Sven
>=20
>=20
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>=20