From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Emanuel Berg via Users list for the GNU Emacs text editor Newsgroups: gmane.emacs.help,gmane.emacs.devel Subject: Re: Bibtex stuff Date: Sun, 17 Oct 2021 00:47:11 +0200 Message-ID: <87o87oa8pc.fsf@zoho.eu> References: <87wnmcaa6l.fsf@zoho.eu> Reply-To: Emanuel Berg Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="30519"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: emacs-devel@gnu.org To: help-gnu-emacs@gnu.org Cancel-Lock: sha1:EMbBTyYDU+FirwvUkbDv9D7wP20= Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Oct 17 00:48:30 2021 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 1mbsTe-0007lu-2M for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 17 Oct 2021 00:48:30 +0200 Original-Received: from localhost ([::1]:56860 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mbsTc-00010e-3G for geh-help-gnu-emacs@m.gmane-mx.org; Sat, 16 Oct 2021 18:48:28 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:50532) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mbsSl-00010V-Er for help-gnu-emacs@gnu.org; Sat, 16 Oct 2021 18:47:35 -0400 Original-Received: from ciao.gmane.io ([116.202.254.214]:46266) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mbsSj-0002xX-PP for help-gnu-emacs@gnu.org; Sat, 16 Oct 2021 18:47:35 -0400 Original-Received: from list by ciao.gmane.io with local (Exim 4.92) (envelope-from ) id 1mbsSg-0006bI-LO for help-gnu-emacs@gnu.org; Sun, 17 Oct 2021 00:47:30 +0200 X-Injected-Via-Gmane: http://gmane.org/ Mail-Followup-To: help-gnu-emacs@gnu.org Original-Followup-To: gmane.emacs.help,gmane.emacs.devel 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=0.249, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: help-gnu-emacs@gnu.org X-Mailman-Version: 2.1.23 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" Xref: news.gmane.io gmane.emacs.help:133808 gmane.emacs.devel:277195 Archived-At: > In this case, the bibtex-field stuff is probably such > a thing that ought to be pretty much a basic building block > of any such mode ... not necessarily the exact way I wrote > it tho. Oh, someone has added a `bibtex-next-field'! Great work! Shouldn't BEGIN be default tho? Other than that I wonder what the difference is between that and mine ... Anyway so then add a modified version of my "-prev-" as well then ;) Awesome stuff :) >From /usr/local/share/emacs/29.0.50/lisp/textmodes/bibtex.el (defun bibtex-next-field (begin &optional comma) "Move point to end of text of next BibTeX field or entry head. With prefix BEGIN non-nil, move point to its beginning. Optional arg COMMA is as in `bibtex-enclosing-field'. It is t for interactive calls." (interactive (list current-prefix-arg t)) (let ((bounds (bibtex-find-text-internal t nil comma)) end-of-entry) (if (not bounds) (setq end-of-entry t) (goto-char (nth 3 bounds)) (if (assoc-string (car bounds) '("@String" "@Preamble") t) (setq end-of-entry t) ;; BibTeX key or field (if (looking-at ",[ \t\n]*") (goto-char (match-end 0))) ;; end of entry (if (looking-at "[)}][ \t\n]*") (setq end-of-entry t)))) (if (and end-of-entry (re-search-forward bibtex-any-entry-maybe-empty-head nil t)) (goto-char (match-beginning 0))) (bibtex-find-text begin nil bibtex-help-message))) My file: ;;; -*- lexical-binding: t -*- ;;; ;;; this file: ;;; https://dataswamp.org/~incal/emacs-init/bibtex/bibtex-field.el ;;; ;;; test here: ;;; https://dataswamp.org/~incal/books/books.bib (require 'cl-lib) (defun bibtex-prev-field () (interactive) (cl-labels ((search-prev () (when (re-search-backward "=\\|@" nil t) (let ((eol (line-end-position))) (unless (re-search-forward "{" eol t) (forward-char 2) ))) (point) )) (when (= (point) (search-prev)) (let ((beg (point))) (beginning-of-line) (when (= (point) (search-prev)) (goto-char beg) ))))) (defun re-search-forward-return (regexp) (save-excursion (re-search-forward regexp (point-max) t) )) (defun bibtex-beginning-of-next-field () (interactive) (cl-labels ((advance (to) (goto-char to) (if (looking-at "[[:space:]]*{") (goto-char (match-end 0)) (forward-char 1) ))) (let*((next-curly (re-search-forward-return "{")) (next-equal (re-search-forward-return "=")) ) (if (and next-curly next-equal) (if (< next-curly next-equal) (goto-char next-curly) (advance next-equal) ) (if next-equal (advance next-equal) (when next-curly (goto-char next-curly) )))))) (provide 'bibtex-field) -- underground experts united https://dataswamp.org/~incal