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From "Charles N. Harvey III" <charl...@alloy.com>
Subject RE: indentation of templates
Date Tue, 12 Mar 2002 17:38:42 GMT
+1

> -----Original Message-----
> From: Christoph.Reck@dlr.de [mailto:Christoph.Reck@dlr.de]
> Sent: Tuesday, March 12, 2002 12:30 PM
> To: Velocity Users List
> Subject: Re: indentation of templates
>
>
> Sorry, but placing the #if and #else directives at the beginning of the
> line becomes ugly with nested conditions. It also gets ugly with
> #set directives within...
>
> I've been asking the list in the past on who's interested on getting
> the whitespace handling in velocity fixed to work transparently and as
> expected. I proposed how this could be and got no supporting requests
> for getting this proposal implemented:
>
> http://www.mail-archive.com/velocity-user@jakarta.apache.org/msg01310.html
> http://www.mail-archive.com/velocity-user@jakarta.apache.org/msg02594.html
> http://www.mail-archive.com/velocity-user@jakarta.apache.org/msg04683.html
> http://www.mail-archive.com/velocity-user@jakarta.apache.org/msg04679.html
> http://www.mail-archive.com/velocity-dev@jakarta.apache.org/msg01645.html
> http://www.mail-archive.com/velocity-dev@jakarta.apache.org/msg02454.html
> http://www.mail-archive.com/velocity-user@jakarta.apache.org/msg04122.html
>
> Since it will break the current test suit (which needs to be updated
> according to any new whitesapce handling rules), we need to find the
> right moment (release 1.4?) for this update.
>
> I really hope correct and simple whitespace handling finds its way into
> velocity.
>
> Everyone (even non-committers) "please* speak up if you see my proposed
> whitespace handling is OK (send a +1) or if you see a drawback or reason
> not to do it so (many eyes can see more than mine two).
>
> Should I resubmit my proposal? To the "user" or to the "dev" list?
>
> Cheers,
> :) Christoph Reck
>
> Simon Christian wrote:
> >
> > Should the #if directive be gobbling the whitespace before it? I've
> > found the same effect as you evidently have, but get around it by
> > starting the #if and #else directives at the beginning of the line i.e.
> >
> > #if (this-is-true)
> >         output true stuff
> >         $context.applyTemplates("section")
> > #else
> >         output false stuff
> >         #execute_a_macro()
> > #end
> >
> > I agree wholeheartedly with you on the desired output formatting, just
> > not sure that anything has gone *wrong* in Velocity in this case.
> >
> > - s
> >
> > Bill Burton wrote:
> >
> > > Hi Sebastien,
> > >
> > > Glad to hear you like Velocity.
> > >
> > > I have recently run into the same extra whitespace issue
> while working on
> > > a DVSL stylesheet.  The #if directive never seems to gobble up leading
> > > whitespace even if it's the only thing on the line.  Whereas the #set
> > > directive does do this.
> > >
> > > What I did to allow indentation of directives while
> eliminating the extra
> > > whitespace is to use multiline comments to hide whitespace.  If these
> > > comments are used before #if, #else, #elseif and matching
> #end's as well
> > > as before invoking other tools or macros, you can get the output to be
> > > indented properly.  Here's an example:
> > >
> > > #*       *##if (this-is-true)
> > >            output true stuff
> > > #*         *#$context.applyTemplates("section")
> > > #*       *##else
> > >            output false stuff
> > > #*         *##execute_a_macro()
> > > #*       *##end
> > >
> > > Even though the above looks odd, I like it much better than putting
> > > everything flush left.
> > >
> > > The only thing is once in a while, I've forgotten the # before the
> > > directive and put *#else instead of *##else.
> > >
> > > If you need to eliminate blank lines, start the #* at the end
> of the prior
> > > line to comment out the enclosed newline.
> > >
> > > -Bill
> > >
> >
> > --
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--
:) Christoph Reck

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