From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg Newsgroups: gmane.emacs.help Subject: Re: Incorporating new things into completions Date: Fri, 02 Feb 2024 07:48:08 +0100 Message-ID: <87o7czbbvb.fsf@dataswamp.org> References: Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="40364"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:QBh/gnljwV9IlzgpU0VZjqy96+s= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Feb 04 14:06:32 2024 Return-path: Envelope-to: geh-help-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1rWcCd-000AI0-K1 for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 04 Feb 2024 14:06:31 +0100 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rWcCJ-0004BB-HO; Sun, 04 Feb 2024 08:06:11 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rVnLc-0005Li-OG for help-gnu-emacs@gnu.org; Fri, 02 Feb 2024 01:48:24 -0500 Original-Received: from ciao.gmane.io ([116.202.254.214]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rVnLb-0001qA-43 for help-gnu-emacs@gnu.org; Fri, 02 Feb 2024 01:48:24 -0500 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1rVnLV-0001uG-OA for help-gnu-emacs@gnu.org; Fri, 02 Feb 2024 07:48:18 +0100 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Mail-Copies-To: never Received-SPF: pass client-ip=116.202.254.214; envelope-from=geh-help-gnu-emacs@m.gmane-mx.org; helo=ciao.gmane.io X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, HEADER_FROM_DIFFERENT_DOMAINS=0.248, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Sun, 04 Feb 2024 08:06:09 -0500 X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Users list for the GNU Emacs text editor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.help:145871 Archived-At: Psionic K wrote: > I want to augment `switch-to-buffer' candidates to contain > a list of exotic fruits. Presumably the downstream handler > for buffers has no idea what to do with fruits, so I need to > provide some alternative handler. > > Has this infrastructure been built into Emacs or is it > exclusive to completion packages at this time? If Emacs > provides facilities for this kind of thing, what vocabulary > should I become familiar with? I have something to that extent, but instead of a list, it matches a regexp. Don't know if this is already available somewhere else but that wouldn't come as a surprise. ;;; -*- lexical-binding: t -*- ;; ;; this file: ;; https://dataswamp.org/~incal/emacs-init/switch-to-buffer-regexp.el (require 'cl-lib) (require 'buc) (defun switch-to-buffer-regexp (buf-re) (let*((ori-buf (buffer-name (current-buffer))) (hits (cl-remove-if-not (lambda (b) (string-match buf-re b)) (buffer-names)) )) (when hits (let ((new-hits (cl-remove ori-buf hits))) (when new-hits (when (string-match buf-re ori-buf) (bury-buffer ori-buf) ) (switch-to-buffer (car new-hits)) ))))) ;; try it! ;; (require 'gnus) ;; (dotimes (i 4) (gnus-post-news 'post "")) ; create 4 posts (global-set-key "\C-cu" (lambda () (interactive) (switch-to-buffer-regexp "\*unsent posting\*.*"))) ;; hit again to iterate (provide 'switch-to-buffer-regexp) Some more example use cases, some of which I use every day: https://dataswamp.org/~incal/emacs-init/switch-to-buffer.el Ugh, for it to work this is needed as well from yet another file (defun buffer-names () "Get the names of all open buffers, as strings." (mapcar #'buffer-name (buffer-list)) ) https://dataswamp.org/~incal/emacs-init/buc.el -- underground experts united https://dataswamp.org/~incal