From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thorsten Jolitz Subject: Elisp function for wrapping sexp or region in src-block (was Re: some lisp help) Date: Tue, 29 Jul 2014 15:30:24 +0200 Message-ID: <87y4vcqolr.fsf_-_@gmail.com> References: <87d2cos6cz.fsf@gmail.com> <8761igs5e8.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:53716) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XC7UM-0005EQ-7A for emacs-orgmode@gnu.org; Tue, 29 Jul 2014 09:30:54 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XC7UD-0000nR-IC for emacs-orgmode@gnu.org; Tue, 29 Jul 2014 09:30:46 -0400 Received: from plane.gmane.org ([80.91.229.3]:52860) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XC7UD-0000nJ-3p for emacs-orgmode@gnu.org; Tue, 29 Jul 2014 09:30:37 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1XC7UC-0004GV-0Y for emacs-orgmode@gnu.org; Tue, 29 Jul 2014 15:30:36 +0200 Received: from e178189064.adsl.alicedsl.de ([85.178.189.64]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 29 Jul 2014 15:30:36 +0200 Received: from tjolitz by e178189064.adsl.alicedsl.de with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 29 Jul 2014 15:30:36 +0200 List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: emacs-orgmode@gnu.org Xebar Saram writes: > Thx and sorry about not posting to the list, was a gmail mistake (i > really *need* to start with gnus..just to intimidating :)) > > wrapping in parens by marking the region kinda defeats the purpose > sine the original function i posted (in the original post) already > wraps the marked text in an orgmode block :) > > thanks and sorry for PM no problem since I really want this function too and was a bit frustrated often enough that it does not exist in Org-mode, I made it more flexible and generic now, for daily use: #+begin_src emacs-lisp (defun tj/wrap-sexp-or-reg-in-src-block (&optional lang lines) "Wrap sexp at point or region in src block" (interactive (when current-prefix-arg (list (ido-completing-read "Org-Babel language: " (mapcar (lambda (--lang) (symbol-name (car --lang))) org-babel-load-languages) nil nil nil nil "emacs-lisp") (read-number "Number of lines to wrap: " 1)))) (let* ((language (or lang "emacs-lisp")) (marker (point-marker)) (beg (point)) (end (if lines (save-excursion (forward-line lines) (point)) (save-excursion (forward-sexp) (point)))) (cut-strg (buffer-substring beg end))) (delete-region beg end) (goto-char (marker-position marker)) (insert (format "\n#+begin_src %s\n%s\n#+end_src\n" language cut-strg)) (set-marker marker nil))) #+end_src try it with ,---- | C-u M-x tj/wrap-sexp-or-reg-in-src-block `---- and you get what you want (negative line-number wrap backwards). > On Tue, Jul 29, 2014 at 3:42 PM, Thorsten Jolitz > wrote: > > Xebar Saram writes: > > why a PM??? > > > > Thx Thorsten > > > > this works very well for code blocks. it seems though that for > normal > > text paragraphs it dosent work that well. may i suggest an idea? > can > > the function perhaps prompt the user (when you launch the > function) > > for number of lines to wrap and then issue the wrap based on > that? > > that could perhaps be the most accurate way to do that? or maybe > > perhaps have a separate function to just wrap current line? > > > > thx alot, appreciate as always your excellent help > > > just wrap your paragraph in parens and call the command with point > on > the beginning paren, and it will work - for any number of lines. > easy to do with package smartparens.el: > > mark region and type '(', region is wrapped automatically. > > > > > On Tue, Jul 29, 2014 at 3:21 PM, Thorsten Jolitz > > > wrote: > > > > > > Xebar Saram writes: > > > > > Hi list > > > > > > so i know i should start to really learn lisp but real life > (uni > > work, > > > family etc) doesn't really allow me so im marking my 1st year > > > anniversary of using emacs without grasping lisp (plus i am in > > > generally coding inept :)) > > > > > > in any case.... :) i have this handy lisp snippet that i find > > very > > > useful and maybe some others in the list will find as well. it > > allows > > > to quick convert lines of text into org src/example blocks: > > > > > > (defun z-wrap-cblock-lisp () > > > "Wrap region in quote block" > > > (interactive) > > > (save-excursion > > > (save-restriction > > > (and > > > (region-active-p) > > > (use-region-p) > > > (narrow-to-region (region-beginning) (region-end))) > > > (goto-char (point-min)) > > > (insert "#+BEGIN_SRC emacs-lisp :results none\n") > > > (goto-char (point-max)) > > > (insert "#+END_SRC\n") > > > (deactivate-mark)))) > > > > > > this works well but has some annoying flaws like you have to > > first > > > manually mark the region you want to convert etc > > > > > > i was wondering: > > > > > > a)can some lisp coding master show me how to make this > function > > auto > > > select the line//X user defined lines/smart paragraph > selection > > before > > > it wraps it in the org block > > > b)any improvement ideas from the community? > > > > > > Try this: > > > > #+begin_src emacs-lisp > > (defun tj/wrap-sexp-in-elisp-src-block () > > "Wrap sexp at point in elisp src block" > > (interactive) > > (let* ((marker (point-marker)) > > (beg (point)) > > (end (save-excursion > > (forward-sexp) (point))) > > (cut-strg (buffer-substring beg end))) > > (delete-region beg end) > > (goto-char (marker-position marker)) > > (insert > > (format > > "\n#+begin_src emacs-lisp\n%s\n#+end_src\n" > > cut-strg)) > > (set-marker marker nil))) > > #+end_src > > > > #+results: > > : tj/wrap-sexp-in-elisp-src-block > > > > MWE: > > > > (defun foo () > > "do foo" > > (message "foo")) > > > > 1. with point at the opening paren: > > > > > > #+begin_src emacs-lisp > > (defun foo () > > "do foo" > > (message "foo")) > > #+end_src > > > > 2. with point at the 'd' of defun: > > > > ( > > #+begin_src emacs-lisp > > defun > > #+end_src > > foo () > > "do foo" > > (message "foo")) > > > > 3. with point between 'do foo': > > > > (defun foo () > > "do > > #+begin_src emacs-lisp > > foo > > #+end_src > > " > > (message "foo")) > > > > > > This is actually quite useful, will add it to my init file > (since > > I > > frequently get 'org-babel-demarcate-block: Args out of range' > > errors > > when trying to wrap a region). > > > > Note that the behaviour depends a bit on the major-mode. In > > emacs-lisp > > mode, a string is seen as one sexp, thus with point at the first > > double-quote of > > > > "hello world" > > > > I get > > > > #+begin_src emacs-lisp > > "hello world" > > #+end_src > > > > while in this message-mode buffer I get > > > > #+begin_src emacs-lisp > > "hello > > #+end_src > > world" > > > > -- > > cheers, > > Thorsten > > > > > > > > > > > -- > cheers, > Thorsten > > -- cheers, Thorsten