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Re: PATCH: _info completion
- X-seq: zsh-workers 17146
- From: Sven Wischnowsky <wischnow@xxxxxxxxx>
- To: zsh-workers@xxxxxxxxxx
- Subject: Re: PATCH: _info completion
- Date: Tue, 14 May 2002 09:51:49 +0200
- In-reply-to: <1021187516.3015.6.camel@xxxxxxxxxxxxxxxxxxxxx>
- Mailing-list: contact zsh-workers-help@xxxxxxxxxx; run by ezmlm
- References: <1021187516.3015.6.camel@xxxxxxxxxxxxxxxxxxxxx>
Borsenkow Andrej wrote:
> This is based on info-4.2 (the one I have); if you have earlier versions
> please check if it works. It assumes that 'info -o - node1 ...' works;
> without it completing (nested) menu items is more work than it's worth.
> 4 lines of parameter substitution is daunting but it tries to parse
> three different line entry formats with on regexp and also account for
> subtle differences in formatting I have encountered. Suggestions how to
> simplify it are gratefully accepted :-)
I haven't yet tried to work my way into it, but I give the crown for
the most fiendish substitution to you ;-)
> I would be glad to here comments from our completion function gurus (I
> am trying to learn how to write them properly). Specifcially how to use
> tags with _describe (should it be _requested .. && _describe ...?).
_describe has it's own tag handling. It normally uses the tag `values'
or (with the -o option) `options'. One can give it another tag as an
argument after the -t option: _describe -t foos.
I forgot to put that into the docs, it seems, below is a patch.
RCS file: /cvsroot/zsh/zsh/Doc/Zsh/compsys.yo,v
retrieving revision 1.154
diff -u -r1.154 compsys.yo
--- Doc/Zsh/compsys.yo 8 May 2002 09:11:28 -0000 1.154
+++ Doc/Zsh/compsys.yo 14 May 2002 07:51:52 -0000
@@ -3616,7 +3616,7 @@
the functions for the fields if they are called.
-item(tt(_describe) [ tt(-o) ] var(descr) var(name1) [ var(name2) ] var(opts) ... tt(-)tt(-) ...)(
+item(tt(_describe) [ tt(-o) | tt(-t) var(tag) ] var(descr) var(name1) [ var(name2) ] var(opts) ... tt(-)tt(-) ...)(
This function is useful for preparing a list of command options or
arguments, together with their descriptions var(descr), as matches.
Multiple groups separated by tt(-)tt(-) can be supplied, potentially with
@@ -3639,6 +3639,9 @@
the tt(prefix-hidden), tt(prefix-needed) and tt(verbose) styles to find out
if the strings should be added at all and if the descriptions should be
shown. Without the `tt(-o)' option, only the tt(verbose) style is used.
+With the tt(-t) option a var(tag) can be specified that should be used
+instead of the default `tt(values)' or, if the tt(-o) option is given,
If selected by the tt(list-grouped) style, strings with the same
description will be added in a way that they appear together in the list.
Sven Wischnowsky wischnow@xxxxxxxxx
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