From: Thorsten Jolitz <tjolitz@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Re: some lisp help (for complete 0-knowledge lisp emacs user :))
Date: Tue, 29 Jul 2014 14:21:32 +0200 [thread overview]
Message-ID: <87d2cos6cz.fsf@gmail.com> (raw)
In-Reply-To: CAOQHXPoVa4yd=YdGVmyn0tS_7ox6N9-TpxduzWT6Z01mzPwrcQ@mail.gmail.com
Xebar Saram <zeltakc@gmail.com> 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
next prev parent reply other threads:[~2014-07-29 12:22 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-29 11:02 some lisp help (for complete 0-knowledge lisp emacs user :)) Xebar Saram
2014-07-29 12:21 ` Thorsten Jolitz [this message]
[not found] ` <CAOQHXPoJT4gGTJfOrHAtOfuS53GmPFgSwBqr4OA0ECpE28K1wg@mail.gmail.com>
[not found] ` <8761igs5e8.fsf@gmail.com>
2014-07-29 12:48 ` Xebar Saram
2014-07-29 13:30 ` Elisp function for wrapping sexp or region in src-block (was Re: some lisp help) Thorsten Jolitz
2014-07-29 13:52 ` Thorsten Jolitz
2014-07-29 14:48 ` Xebar Saram
2014-07-29 15:42 ` Thorsten Jolitz
2014-07-29 16:21 ` Xebar Saram
2014-07-29 16:23 ` Xebar Saram
2014-07-29 16:27 ` Xebar Saram
2014-07-29 16:36 ` Thorsten Jolitz
2014-08-04 14:45 ` some lisp help (for complete 0-knowledge lisp emacs user :)) Sebastien Vauban
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