Re: Access to readline completions without line editing

[Chet Ramey]

On 11/24/24 6:55 PM, matthewktromp@gmail.com wrote:
> Chet Ramey <chet.ramey@case.edu> writes:
> > Here's the format I decided on. My intent is that it's general enough for
> > applications besides emacs:
> >
> > /* This implements a protocol to export completions to another process or
> >     calling application via rl_outstream.
> >
> >     MATCHES are the possible completions for TEXT, which is the text between
> >     START and END in rl_line_buffer.
> >
> >     We print:
> >          N - the number of matches
> >          T - the word being completed
> >          S:E - the start and end offsets of T in rl_line_buffer
> >          then each match, one per line
> >
> >    If there are no matches, MATCHES is NULL, N will be 0, and there will be
> >    no output after S:E.
> >
> >    Since MATCHES[0] can be empty if there is no common prefix of the elements
> >    of MATCHES, applications should be prepared to deal with an empty line
> >    preceding the matches.
> > */
> >
> > The bindable function (rl_export_completions) takes the same two arguments
> > as any other readline function (count, key), and will clear the readline
> > line buffer if count > 1.
> >
> > This was inspired by a message sent to me privately; the sender described
> > the intended use case as:
>
> This was me!  Glad to see this landing.  Thanks!

I'm glad you spoke up; the changelog entry credits you.

> I'll publish my emacs support for this once this has landed with a
> stable format.

It's stable.


--
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/

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