On Mon, Jul 13, 2015 at 2:36 AM, Karthik Nayak <karthik.188@xxxxxxxxx> wrote:
> What I was thinking of was getting rid of the whole "align" feature where
> you provide a value to which it would align.
>
> Something like: --format="%(item:modifieralign)" which would use something
> on the lines of what the max-width calculator in branch -l uses, to get the max
> alignment size. But the problem is that ref-filter goes through the refs using
> a function which has no connections with the atoms used. So a more practical
> solution would be --format="%(item:modifieralign=X)" where we could provide a
> means of calculating X via ref-filter. Something like this in tag.c:
>
> int max_width = get_max_width("<item to get max_width of>");
> use this max_width to then do a
> --format="%(item:modifieralign=X)", where X = max_width
>
> What do you think?
This is where separate "alignment atoms" (instead of alignment
modifiers) make sense. Suppose you introduce another function, let's
say print_all() for now, to wrap the "for (i < maxcount)" loop at the
end of for-each-ref, you would have total control over display and
formatting. populate_value() generates empty strings for these
alignment atoms (because they don't really have true values). Those
alignment atoms are recognized in print_all() and
show_ref_array_item(). In print_all(), if it sees max width needs to
be calculated (because the user does not specify the width), it can
call populate_value() for an atom for all rows. show_ref_array_item()
does the padding and even truncating if needed. This pattern is
similar to how print_columns() works, first we collect data of the
whole "table", then we place them line by line.
It sounds good to me. But it may not be the best option, I don't know.
And it may create unnecessary work. So you and your mentors decide.
--
Duy
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