From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Eric Schulte" Subject: Re: [BUG] #+begin_src wo. language blocks XHTML export Date: Mon, 12 Jul 2010 12:33:52 -0700 Message-ID: <87fwzobii2.fsf@gmail.com> References: <87fx0abtr1.fsf@gmx.de> <87mxu7nxoy.wl%dmaus@ictsoc.de> <87iq4uzynf.fsf@gmx.de> <87r5jdsscu.fsf@gmail.com> <8BFEB2A8-C320-475C-861D-6FDF1F74AB50@tsdye.com> <871vbcgdnn.fsf@gmail.com> <87y6dhglrt.wl%dmaus@ictsoc.de> <87aapwlhmi.fsf@gmail.com> <602AF50D-9053-4D34-A6CB-6CD0879376BA@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Return-path: Received: from [140.186.70.92] (port=38849 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OYOnM-00067M-AH for emacs-orgmode@gnu.org; Mon, 12 Jul 2010 15:36:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OYOnA-0005hD-Qr for emacs-orgmode@gnu.org; Mon, 12 Jul 2010 15:35:54 -0400 Received: from mail-pz0-f41.google.com ([209.85.210.41]:65157) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OYOnA-0005ga-K0 for emacs-orgmode@gnu.org; Mon, 12 Jul 2010 15:35:52 -0400 Received: by mail-pz0-f41.google.com with SMTP id 33so2955281pzk.0 for ; Mon, 12 Jul 2010 12:35:52 -0700 (PDT) List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: Carsten Dominik Cc: Emacs-orgmode mailing list Done -- Eric Carsten Dominik writes: > Hi Eric, > > Please go ahead and apply it, Eric, and mark the first as > superseded, the second as applied on the patchwork server. > > Thanks! > > - Carsten > > On Jul 12, 2010, at 7:44 PM, Eric Schulte wrote: > >> Carsten Dominik writes: >> >>> On Jul 12, 2010, at 10:13 AM, David Maus wrote: >>> >>>> SEric Schulte wrote: >>>>> "Thomas S. Dye" writes: >>>> >>>>>> On Jul 8, 2010, at 9:09 AM, Eric Schulte wrote: >>>>>> >>>>>>> Sebastian Rose writes: >>>>>>> >>>>>>> [...] >>>>>>>> >>>>>>>> It can be considered an error, since the docs say: >>>>>>>> >>>>>>>> "...This is done with the =E2=80=98src=E2=80=99 block, where you a= lso need to >>>>>>>> specify the name of the major mode that should be used to >>>>>>>> fontify >>>>>>>> the example..." >>>>>>>> >>>>>>> >>>>>>> I would vote that this be considered an error as a source block >>>>>>> doesn't make sense w/o a source language. If others agree with >>>>>>> this >>>>>>> interpretation, I would be happy to submit a patch which actively >>>>>>> raises an errors when this cases is encountered. >>>>>>> >>>>>>> Cheers -- Eric >>>>>> >>>>>> This seems like the right approach to me. >>>>>> >>>>>> Tom >>>> >>>>> As promised here's a patch which raises errors when source blocks >>>>> don't >>>>> have a specified language. I would prefer if the error could >>>>> indicate >>>>> which block caused the problem, but I don't know how to accomplish >>>>> this. >>>> >>>> Maybe we could store a marker in a text property of (source) blocks >>>> right before they are processed in the input file? >>> >>> The problem here is that during export, the source code is taken >>> from a temporary buffer containing an already modifed copy of the >>> original buffer. >>> >>> Another solution would be to include into the message is short >>> part of the code itself (maybe the first line...) - this should >>> make it possible to identify the problematic block reasonably easily. >>> >>> - Carsten >> >> The following updated patch includes the first line (up to 35 >> characters) of the code block in the error message. >> >> -- Eric >> >> From a76629a565920c3506f7046cc15d27ad01b8bd47 Mon Sep 17 00:00:00 2001 >> From: Eric Schulte >> Date: Mon, 12 Jul 2010 10:42:59 -0700 >> Subject: [PATCH] org-exp: raise an error when trying to export code >> blocks w/o languages >> >> * lisp/ob.el (org-babel-get-src-block-info): ensure that we don't >> match (and return info for) source blocks without a language >> >> * lisp/org-exp.el (org-export-replace-src-segments-and-examples): >> updated source code block regexp so that the presence of a language >> can be explicitly checked. Also now raising an error when a source >> block does not have a language. >> --- >> lisp/ob.el | 3 ++- >> lisp/org-exp.el | 30 ++++++++++++++++++++---------- >> 2 files changed, 22 insertions(+), 11 deletions(-) >> >> diff --git a/lisp/ob.el b/lisp/ob.el >> index 7b7be3d..d94cc06 100644 >> --- a/lisp/ob.el >> +++ b/lisp/ob.el >> @@ -143,7 +143,8 @@ added to the header-arguments-alist." >> (setq indent (car (last info))) >> (setq info (butlast info)) >> (forward-line -1) >> - (if (looking-at org-babel-src-name-w-name-regexp) >> + (if (and (looking-at org-babel-src-name-w-name-regexp) >> + (match-string 2)) >> (progn >> (setq info (append info (list (org-babel-clean-text-properties >> (match-string 2))))) >> diff --git a/lisp/org-exp.el b/lisp/org-exp.el >> index f1cea62..55b8812 100644 >> --- a/lisp/org-exp.el >> +++ b/lisp/org-exp.el >> @@ -2107,19 +2107,29 @@ in the list) and remove property and value >> from the list in LISTVAR." >> lang code trans opts indent caption) >> (goto-char (point-min)) >> (while (re-search-forward >> - "\\(^\\([ \t]*\\)#\\+BEGIN_SRC:?[ \t]+\\([^ >> \t\n]+\\)\\(.*\\)\n >> \\([^\000]+?\n\\)[ \t]*#\\+END_SRC.*\n?\\)\\|\\(^\\([ \t]*\\)#\\ >> +BEGIN_EXAMPLE:?\\(?:[ \t]+\\(.*\\)\\)?\n\\([^\000]+?\n\\)[ \t]*#\\ >> +END_EXAMPLE.*\n?\\)" >> + "\\(^\\([ \t]*\\)#\\+BEGIN_SRC:?\\([ \t]+\\([^ >> \t\n]+\\)\\)?\\ >> (.*\\)\n\\([^\000]+?\n\\)[ \t]*#\\+END_SRC.*\n?\\)\\|\\(^\\([ \t]*\ >> \)#\\+BEGIN_EXAMPLE:?\\(?:[ \t]+\\(.*\\)\\)?\n\\([^\000]+?\n\\) >> [ \t]*#\\+END_EXAMPLE.*\n?\\)" >> nil t) >> (if (match-end 1) >> - ;; src segments >> - (setq lang (match-string 3) >> - opts (match-string 4) >> - code (match-string 5) >> - indent (length (match-string 2)) >> - caption (get-text-property 0 'org-caption (match- >> string 0))) >> + (if (not (match-string 4)) >> + (error "source block missing language specification: %s" >> + (let* ((body (match-string 6)) >> + (nothing (message "body:%s" body)) >> + (preview (or (and (string-match >> + "^[ \t]*\\([^\n\r]*\\)" body) >> + (match-string 1 body)) body))) >> + (if (> (length preview) 35) >> + (concat (substring preview 0 32) "...") >> + preview))) >> + ;; src segments >> + (setq lang (match-string 4) >> + opts (match-string 5) >> + code (match-string 6) >> + indent (length (match-string 2)) >> + caption (get-text-property 0 'org-caption (match-string 0)))) >> (setq lang nil >> - opts (match-string 8) >> - code (match-string 9) >> - indent (length (match-string 7)) >> + opts (match-string 9) >> + code (match-string 10) >> + indent (length (match-string 8)) >> caption (get-text-property 0 'org-caption (match- >> string 0)))) >> >> (setq trans (org-export-format-source-code-or-example >> -- >> 1.7.0.4 >> > > - Carsten