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authorSebastien Delafond <seb@debian.org>2013-08-11 16:27:56 +0200
committerS├ębastien Delafond <sdelafond@gmail.com>2014-07-13 13:35:27 +0200
commit53b246b7d66bfa03ab9bcf47d4647913b401e3d6 (patch)
treeb5ea4e732c2219456d13048feb05b37b22a76391 /contrib/lisp/ob-eukleides.el
parent8606e2621fc00fd8b334a06924aeef3aab7a2e4d (diff)
parente32a45ed36d6000db4b39171149072d11b77af72 (diff)
Imported Debian patch 8.0.7-1
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+;;; ob-eukleides.el --- Org-babel functions for eukleides evaluation
+
+;; Copyright (C) 2010-2013 Free Software Foundation, Inc.
+
+;; Author: Luis Anaya
+;; Keywords: literate programming, reproducible research
+;; Homepage: http://orgmode.org
+
+;; This file is not part of GNU Emacs.
+
+;; This program 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.
+
+;; This program 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 eukleides script.
+;;
+;; Inspired by Ian Yang's org-export-blocks-format-eukleides
+;; http://www.emacswiki.org/emacs/org-export-blocks-format-eukleides.el
+
+;;; Requirements:
+
+;; eukleides | http://eukleides.org
+;; eukleides | `org-eukleides-path' should point to the eukleides executablexs
+
+;;; Code:
+(require 'ob)
+(require 'ob-eval)
+
+(defvar org-babel-default-header-args:eukleides
+ '((:results . "file") (:exports . "results"))
+ "Default arguments for evaluating a eukleides source block.")
+
+(defcustom org-eukleides-path nil
+ "Path to the eukleides executable file."
+ :group 'org-babel
+ :type 'string)
+
+(defcustom org-eukleides-eps-to-raster nil
+ "Command used to convert EPS to raster. Nil for no conversion."
+ :group 'org-babel
+ :type '(choice
+ (repeat :tag "Shell Command Sequence" (string :tag "Shell Command"))
+ (const :tag "sam2p" "a=%s;b=%s;sam2p ${a} ${b}" )
+ (const :tag "NetPNM" "a=%s;b=%s;pstopnm -stdout ${a} | pnmtopng > ${b}" )
+ (const :tag "None" nil)))
+
+(defun org-babel-execute:eukleides (body params)
+ "Execute a block of eukleides 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 (or (cdr (assoc :file params))
+ (error "Eukleides requires a \":file\" header argument")))
+ (cmdline (cdr (assoc :cmdline params)))
+ (in-file (org-babel-temp-file "eukleides-"))
+ (java (or (cdr (assoc :java params)) ""))
+ (cmd (if (not org-eukleides-path)
+ (error "`org-eukleides-path' is not set")
+ (concat (expand-file-name org-eukleides-path)
+ " -b --output="
+ (org-babel-process-file-name
+ (concat
+ (file-name-sans-extension out-file) ".eps"))
+ " "
+ (org-babel-process-file-name in-file)))))
+ (unless (file-exists-p org-eukleides-path)
+ (error "Could not find eukleides at %s" org-eukleides-path))
+
+ (if (string= (file-name-extension out-file) "png")
+ (if org-eukleides-eps-to-raster
+ (shell-command (format org-eukleides-eps-to-raster
+ (concat (file-name-sans-extension out-file) ".eps")
+ (concat (file-name-sans-extension out-file) ".png")))
+ (error "Conversion to PNG not supported. use a file with an EPS name")))
+
+ (with-temp-file in-file (insert body))
+ (message "%s" cmd) (org-babel-eval cmd "")
+ nil)) ;; signal that output has already been written to file
+
+(defun org-babel-prep-session:eukleides (session params)
+ "Return an error because eukleides does not support sessions."
+ (error "Eukleides does not support sessions"))
+
+(provide 'ob-eukleides)
+
+
+
+;;; ob-eukleides.el ends here