From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.help Subject: Re: buffer substring of only visible text Date: Thu, 22 Sep 2022 11:14:54 +0200 Message-ID: <87tu4zahyp.fsf@web.de> 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="29952"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: help-gnu-emacs@gnu.org To: Samuel Wales Original-X-From: help-gnu-emacs-bounces+geh-help-gnu-emacs=m.gmane-mx.org@gnu.org Thu Sep 22 12:29:31 2022 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 1obJSU-0007fC-Li for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 22 Sep 2022 12:29:30 +0200 Original-Received: from localhost ([::1]:48652 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1obJSS-00015F-1c for geh-help-gnu-emacs@m.gmane-mx.org; Thu, 22 Sep 2022 06:29:28 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:55202) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1obIIS-00086p-Ng for help-gnu-emacs@gnu.org; Thu, 22 Sep 2022 05:15:06 -0400 Original-Received: from mout.web.de ([217.72.192.78]:46497) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1obIIP-0005J9-4k for help-gnu-emacs@gnu.org; Thu, 22 Sep 2022 05:15:03 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=web.de; s=s29768273; t=1663838095; bh=mde7ey4IH8wAgFYt0JcyM4Hwf/gkI/8g/GeAIxDmxFk=; h=X-UI-Sender-Class:From:To:Cc:Subject:In-Reply-To:References:Date; b=HYtFxL4mnaY6WgURKga/Sk52moASVurRn6hTNpmo3Y4AexntSnJqaxwVH2RE5BwHU t8Gz3E250gy/B/bvr2Olaxgc/QVhFXNW+QrqUVZEAYxFCXb+l9p4WOxNR64QUc1lYQ llHpC92b8F2xLEzMKUKElRmBoRyJEb14sLw98EPmfNHo/4SE+AtpoVlmacnEhG4fyh iUgykXK0lB1vMy5P9XCZRuXxRDlDsdg2sdIQDjysPSzM1MwOqyjI9b3yIpxYf6Ky+6 Qjub20tFqmGED8iAIUD03T40+Vd6ApMWdu6zHauvaNVT0leDA0sIhEdpw+TaiX3+Fg +zDQWbuvFmJ/A== X-UI-Sender-Class: 814a7b36-bfc1-4dae-8640-3722d8ec6cd6 Original-Received: from drachen.dragon ([94.222.172.180]) by smtp.web.de (mrweb106 [213.165.67.124]) with ESMTPSA (Nemesis) id 1MbCHy-1p8RBX0IDQ-00boc6; Thu, 22 Sep 2022 11:14:55 +0200 In-Reply-To: (Samuel Wales's message of "Tue, 20 Sep 2022 18:08:03 -0700") X-Provags-ID: V03:K1:MMIQN5rNqDBv7kqyaeIYIuVCVwZC18PH0bp7yCR/eNB+AclNBFZ GUzOBVCeXjKkslR/dYcikGVQ90/w4s40CEvnOOEpM+UGc+AidSIgEBJPSynstZ42UL2B/cg l6j8QSNxuuyk1Qp0m+fm2BnYTHZINDLaggJO0nIduCg0ihGlBgRM61UHBG1adJK9B1leVyt jBDtucyiTPLRtWCqSm85Q== X-UI-Out-Filterresults: notjunk:1;V03:K0:RhcKRxbaGX4=:Z1mu0DvcLLe59O8cnK1NA+ FDG22U9Gz3A6VGIXRmR3vtkQxKZ/ihOG0JS94gaDJjgY9sOvVFpytxW6pupTDWPAB0ahJtxJy TnYt0h2S2duHpz04ybVGtIdBRHUNLGwOjlGQ7ZgXA22ycPCjSL4T2qoupAgBpA1HrJKjh0eEi dHrC0j2HI7QCPtt403pZ9wiS0dM0TlotBoTW2XqfV70ueIyWm7VrQ4iiFnG7xqQ8VeVLSMo+t KTeUb9tfNxMweWNljW2qPqE3UEIp2mkCnpyMwzIJtZMSpvXRrgNFsrMcoiaTRtYQ6rH/426j+ ZTwg5vFi5J1zOooap4iAmaBaYkO4HLEy1TjDJJkeQT6abhaS/AdBboZgSUbhj4ayqsVDEf0iG 83tlMU8mDEBmceG0he1R1qalnO8FRk4P6yLflZ5XSZ3J/rGPasycAncT3qmxlYwsghOwBgnIX 9n46uc+r3ttIKHkkI7gSlCNUHq8uV+DQQknfTf/miRTXwjFhQH9oOSAsaHcxstO6letdxWSn5 PsbitZYlpcw4FMcA3E48IFUk2uK/5vxbiHMMlFxO20pTU9aF+3dWNDpD5wyKvK7R7HZHZzqCp zGlYL9LXcPAwG4zraZQ7LHDY/MxLjNvoSULsOSv19C0B7sfM2XrGfnNLbE/QUEsPp++FTOyqO /wyhJ21f17rykCI4cGlgl0bTqB0dC0mx/QW/Ch9ZncgBJ2Y8H8pGPtBFoFuhqo6sFUT0CfGgN i7b2z/eIyOFMz+/PofMM4A2VO4VUwsb0GuXTZjZyOcPXozZxb7DZqwsATWE0ZUdTl3YoulCl Received-SPF: pass client-ip=217.72.192.78; envelope-from=michael_heerdegen@web.de; helo=mout.web.de X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=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" Xref: news.gmane.io gmane.emacs.help:139596 Archived-At: Samuel Wales writes: > i want to copy visible text from a region in a buffer, into > a string. > > if any invisible regions are in the region, i want them to > not be in the string. Not a complicated task - and it seems that `backtrace--filter-visible' is implementing exactly that: #+begin_src emacs-lisp (defun backtrace--filter-visible (beg end &optional _delete) "Return the visible text between BEG and END." (let ((result "")) (while (< beg end) (let ((next (next-single-char-property-change beg 'invisible))) (unless (get-char-property beg 'invisible) (setq result (concat result (buffer-substring beg (min end next))))) (setq beg next))) result)) #+end_src If you don't want to rely on an internal function you might just copy these few lines. Michael.