emacs-orgmode@gnu.org archives
 help / color / mirror / code / Atom feed
blob e25ed1c7e463ca364c22afbbb4fae5f50f599fdf 3773 bytes (raw)
name: contrib/lisp/ob-eukleides.el 	 # note: path name is non-authoritative(*)

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
 
;;; 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

debug log:

solving e25ed1c ...
found e25ed1c in https://git.savannah.gnu.org/cgit/emacs/org-mode.git

(*) Git path names are given by the tree(s) the blob belongs to.
    Blobs themselves have no identifier aside from the hash of its contents.^

Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs/org-mode.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).