From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Ted Zlatanov Newsgroups: gmane.emacs.devel Subject: Re: Pushing the `gnus-range-*' functions down into the C layer Date: Thu, 09 Sep 2010 18:48:07 -0500 Organization: =?utf-8?B?0KLQtdC+0LTQvtGAINCX0LvQsNGC0LDQvdC+0LI=?= @ Cienfuegos Message-ID: <87mxrq4gy0.fsf@lifelogs.com> References: <878w3azhg5.fsf@gmail.com> NNTP-Posting-Host: lo.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: dough.gmane.org 1284076115 25323 80.91.229.12 (9 Sep 2010 23:48:35 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Thu, 9 Sep 2010 23:48:35 +0000 (UTC) To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Fri Sep 10 01:48:33 2010 Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1Otqqz-00029L-9i for ged-emacs-devel@m.gmane.org; Fri, 10 Sep 2010 01:48:29 +0200 Original-Received: from localhost ([127.0.0.1]:34703 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Otqqy-0000lZ-Py for ged-emacs-devel@m.gmane.org; Thu, 09 Sep 2010 19:48:28 -0400 Original-Received: from [140.186.70.92] (port=49601 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Otqqp-0000lK-TC for emacs-devel@gnu.org; Thu, 09 Sep 2010 19:48:23 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1Otqqm-000637-52 for emacs-devel@gnu.org; Thu, 09 Sep 2010 19:48:19 -0400 Original-Received: from lo.gmane.org ([80.91.229.12]:39500) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1Otqql-00062h-Su for emacs-devel@gnu.org; Thu, 09 Sep 2010 19:48:16 -0400 Original-Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1Otqqk-0001zT-3X for emacs-devel@gnu.org; Fri, 10 Sep 2010 01:48:14 +0200 Original-Received: from 38.98.147.130 ([38.98.147.130]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 10 Sep 2010 01:48:14 +0200 Original-Received: from tzz by 38.98.147.130 with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 10 Sep 2010 01:48:14 +0200 X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 21 Original-X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: 38.98.147.130 X-Face: bd.DQ~'29fIs`T_%O%C\g%6jW)yi[zuz6; d4V0`@y-~$#3P_Ng{@m+e4o<4P'#(_GJQ%TT= D}[Ep*b!\e,fBZ'j_+#"Ps?s2!4H2-Y"sx" User-Agent: Gnus/5.110011 (No Gnus v0.11) Emacs/24.0.50 (gnu/linux) Cancel-Lock: sha1:aGRJb/BvhSHxbmhO7ly+8uz8ANA= X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:129847 Archived-At: On Thu, 09 Sep 2010 23:21:30 +0100 Wojciech Meyer wrote: WM> Lars Magne Ingebrigtsen writes: >> Gnus addresses articles by their number, so you have things like the >> "marked" list of articles that looks like >> >> (3 4 5 6 7 11 14 15 16 17 18) WM> In my opinion your algorithm might need to change, but that's maybe I WM> that I don't understand the problem domain correctly :). You don't WM> really need to care about ranges or intervals. You load them into array WM> of chars, each char index representing one article index and set to 0 or WM> 1, if article was read. (ideally a bit array) You mean a bool-vector, I think. Emacs has those built-in, see (info "(elisp) Bool-Vectors") but they are not good at representing sparse mutable lists, which Gnus needs to represent article ranges. Ted