From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Heime Newsgroups: gmane.emacs.help Subject: Inserting before-match, matched-text, after-match to coloursize matched-text Date: Sun, 08 Sep 2024 01:23:53 +0000 Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="12348"; mail-complaints-to="usenet@ciao.gmane.io" To: Heime via Users list for the GNU Emacs text editor Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Sun Sep 08 03:24:35 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 1sn6fK-00033r-Kd for geh-help-gnu-emacs@m.gmane-mx.org; Sun, 08 Sep 2024 03:24:35 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sn6es-0003qm-KY; Sat, 07 Sep 2024 21:24:08 -0400 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 1sn6ep-0003qa-Dg for help-gnu-emacs@gnu.org; Sat, 07 Sep 2024 21:24:03 -0400 Original-Received: from mail-4319.protonmail.ch ([185.70.43.19]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sn6en-0007y9-8v for help-gnu-emacs@gnu.org; Sat, 07 Sep 2024 21:24:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=protonmail.com; s=protonmail3; t=1725758638; x=1726017838; bh=BXsV214o1+ayQbb2YVkoc/b8+lvqw0fMQ1bblOM5j/g=; h=Date:To:From:Subject:Message-ID:Feedback-ID:From:To:Cc:Date: Subject:Reply-To:Feedback-ID:Message-ID:BIMI-Selector; b=eSSGuz9BQOd7SDl6NVM1Mg1ONHAIwDDON5VT6GPL8TkYudAGyfPFpDc9exUtKXFj8 PNelK6X6mDMLiS7bqHASctasPhqPL+FqNze2ctY2+aRDbfeqZZ34aZrXBdW769tC5J d4hdpmNsWILaZ6AUW/yis/yqhuwyRMd0h5OwyF9OUWm673waeufD5cEFWbSdgvryS5 zdy3I/OSKbs+ZvGFEy672VV264bDsSKIAU1jfnPtQdk/VibfZk278DJJm25thHMHvI /OKxlNtjiVm3Phur/zJOb7LREgIH02j1NIxNxLqYCwtcxQRPRWQGUwqvqQMIzXxKdD L8IRsCkzaUEgw== Feedback-ID: 57735886:user:proton X-Pm-Message-ID: 1dd95970ee0c7c404fa0e718768ad2fdbe65530d Received-SPF: pass client-ip=185.70.43.19; envelope-from=heimeborgia@protonmail.com; helo=mail-4319.protonmail.ch X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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:147936 Archived-At: Is it better to insert the whole match by first inserting the context=20 before the match, then the highlighted match itself, followed by the=20 context after the match ? Or as I am doing, inserting the whole context using re-search-forward and then applying the overlay ? (defun xiakos-context (search-text &optional n) (setq n (or n 8)) (save-excursion (goto-char (point-min)) ;; Start from the beginning of the buffer (let ( (search-regexp (replace-regexp-in-string " " "[ \n]*" (regexp-quote search-text)))) (if (re-search-forward search-regexp nil t) (let* ( (match-start (match-beginning 0)) (match-end (match-end 0)) ;; Calculate the line numbers for context (start-line (max 1 (- (line-number-at-pos match-start) n)= )) (end-line (+ (line-number-at-pos match-end) n)) (context-start (progn (goto-line start-line) (point))) (context-end (progn (goto-line end-line) (line-end-positi= on))) (context (buffer-substring-no-properties context-start co= ntext-end)) (context-buffer (get-buffer-create "*Search Context*")) ) (with-current-buffer context-buffer (erase-buffer) (insert context) (goto-char (point-min)) (font-lock-mode 1) (while (re-search-forward search-regexp nil t) (let ( (overlay (make-overlay (match-beginning 0) (match-en= d 0))) ) (overlay-put overlay 'face '(:foreground "yellow"))= )) ) (goto-char (point-min))) (display-buffer context-buffer))) )) )