[stringtemplate-interest] Controlling the width of a string

[Russell Lear]

On 7/21/07, Terence Parr <parrt at cs.usfca.edu> wrote:
>
>
> On Jul 21, 2007, at 11:45 AM, Russell Lear wrote:
>
> > Hi,
> >
> > I've been using string template to help produce various DB reports,
> > easily changing between csv, xml and simple text formats, just
> > changing my configuration file.  Cool.
> >
> > But someone asked if I couldn't make the text formatted reports
> > "prettier", by better aligning things, particularly numbers.  Is it
> > possible to ask that a value occupy at least n characters?  (right-
> > justify would also be nice).  Is this not in the spirit of
> > StringTemplate?  If it isn't could someone clear this up for me?
> >
>
> Howdy. Try wrapping strings in renderer objects whose toString() does
> what you want.
>
> Latest build also has a format option; I think John Snyders was
> working on the doc for it.
>
> Ter
>

As you say, I could wrap things with appropriate ToString() methods, but
then I miss some of the flexibility that comes with the idea that "Only
templates know what the output should look like."  I could provide the
wrapper objects with configurable formatting info, but that's another
complication, especially if something more is coming Real Soon Now.


I'll watch this space for news!

Russell.
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