From: Eric Schulte <eric.schulte@gmx.com>
To: "Arne Babenhauserheide (IMK)" <arne.babenhauserheide@kit.edu>
Cc: emacs-orgmode@gnu.org
Subject: Re: babel for ditaa-eps
Date: Wed, 12 Sep 2012 23:16:13 -0600 [thread overview]
Message-ID: <87txv2o63m.fsf@gmx.com> (raw)
In-Reply-To: <50509584.30704@kit.edu> (Arne Babenhauserheide's message of "Wed, 12 Sep 2012 16:00:36 +0200")
It sounds like there is a good deal of desire for this functionality.
How much code does this file share with ob-ditaa? If it is a large
percentage perhaps it would be possible to instead add a new header
argument to ditaa code blocks to run ditaa-eps. Some code blocks (e.g.,
sql) already have an :engine header argument which may be used to change
the back-end tool which executes the block.
Thanks for sharing!
"Arne Babenhauserheide (IMK)" <arne.babenhauserheide@kit.edu> writes:
> Dear org hackers,
>
> I don’t know if there’s already a babel-ditaa-option for using
> ditaa-eps, so I modified ob-ditaa.el to use ditaa-eps and convert the
> result using epstopdf.
>
> Feel free to use it.
>
> ;;; ob-ditaa-eps.el --- org-babel functions for ditaa evaluation
>
> ;; Copyright (C) 2009-2012 Free Software Foundation, Inc.
>
> ;; Author: Eric Schulte und Arne Babenhauserheide
> ;; Keywords: literate programming, reproducible research
> ;; Homepage: http://orgmode.org
>
> ;; This file is part of GNU Emacs.
>
> ;; GNU Emacs is free software: you can redistribute it and/or modify
> ;; it under the terms of the GNU General Public License as published by
> ;; the Free Software Foundation, either version 3 of the License, or
> ;; (at your option) any later version.
>
> ;; GNU Emacs is distributed in the hope that it will be useful,
> ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
> ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
> ;; GNU General Public License for more details.
>
> ;; You should have received a copy of the GNU General Public License
> ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
>
> ;;; Commentary:
>
> ;; Org-Babel support for evaluating ditaa source code as eps/pdf.
> ;;
> ;; Almost verbatim copy from ob-ditaa, but with ditaa-eps and epstopdf
> ;; as intermediate step.
> ;;
> ;; Ditaa differs from most standard languages in that
> ;;
> ;; 1) there is no such thing as a "session" in ditaa
> ;;
> ;; 2) we are generally only going to return results of type "file"
> ;;
> ;; 3) we are adding the "file" and "cmdline" header arguments
> ;;
> ;; 4) there are no variables (at least for now)
>
> ;;; Code:
> (require 'ob)
>
> (defvar org-babel-default-header-args:ditaa-eps
> '((:results . "file") (:exports . "results") (:java .
> "-Dfile.encoding=UTF-8"))
> "Default arguments for evaluating a ditaa source block.")
>
> (defcustom org-ditaa-eps-jar-path (expand-file-name
> "DitaaEps.jar"
> (file-name-as-directory
> (expand-file-name
> "scripts"
> (file-name-as-directory
> (expand-file-name
> "../contrib"
> (file-name-directory (find-library-name "org")))))))
> "Path to the ditaa-eps jar executable."
> :group 'org-babel
> :type 'string)
>
>
> (defvar org-ditaa-eps-jar-path)
> (defun org-babel-execute:ditaa-eps (body params)
> "Execute a block of Ditaa code with org-babel.
> This function is called by `org-babel-execute-src-block'."
> (let* ((result-params (split-string (or (cdr (assoc :results params))
> "")))
> (out-file ((lambda (el)
> (or el
> (error
> "ditaa code block requires :file header argument")))
> (cdr (assoc :file params))))
> (cmdline (cdr (assoc :cmdline params)))
> (java (cdr (assoc :java params)))
> (in-file (org-babel-temp-file "ditaa-"))
> (cmd0 (concat "java " java " -jar "
> (shell-quote-argument
> (expand-file-name org-ditaa-eps-jar-path))
> " " cmdline
> " " (org-babel-process-file-name in-file)
> " " (org-babel-process-file-name (concat in-file ".eps"))))
> (cmd1 (concat "epstopdf"
> " " (org-babel-process-file-name (concat in-file ".eps"))
> " -o=" (org-babel-process-file-name out-file))))
> (unless (file-exists-p org-ditaa-eps-jar-path)
> (error "Could not find ditaa.jar at %s" org-ditaa-eps-jar-path))
> (with-temp-file in-file (insert body))
> (message cmd0) (shell-command cmd0)
> (message cmd1) (shell-command cmd1)
> nil)) ;; signal that output has already been written to file
>
> (defun org-babel-prep-session:ditaa-eps (session params)
> "Return an error because ditaa does not support sessions."
> (error "Ditaa does not support sessions"))
>
> (defun ditaa-eps-mode ()
> (artist-mode))
>
> (provide 'ob-ditaa-eps)
>
> ;;; ob-ditaa-eps.el ends here
>
> Best wishes,
> Arne
>
--
Eric Schulte
http://cs.unm.edu/~eschulte
next prev parent reply other threads:[~2012-09-13 5:16 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-12 14:00 babel for ditaa-eps Arne Babenhauserheide (IMK)
2012-09-13 2:19 ` Luis Anaya
2012-09-13 3:08 ` Luis Anaya
2012-09-13 5:03 ` Thomas S. Dye
2012-09-13 5:16 ` Eric Schulte [this message]
2012-09-13 11:53 ` Arne Babenhauserheide (IMK)
2012-09-13 15:03 ` Eric Schulte
2012-09-13 23:28 ` Luis Anaya
2012-09-14 0:15 ` Eric Schulte
2012-09-14 2:51 ` Eric Schulte
2012-09-16 2:13 ` Luis Anaya
2012-09-16 14:13 ` Eric Schulte
2012-09-19 8:22 ` Bastien
2012-09-19 8:21 ` Bastien
2012-09-21 5:20 ` Thomas S. Dye
2012-09-21 13:29 ` Bastien
2012-09-22 8:48 ` Bastien
-- strict thread matches above, loose matches on Subject: below --
2012-09-14 3:05 Luis Anaya
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