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
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
| | ;;; ob-mathomatic.el --- Org-babel functions for mathomatic evaluation
;; Copyright (C) 2009-2013 Free Software Foundation, Inc.
;; Author: Eric S Fraga
;; Eric Schulte
;; Luis Anaya (Mathomatic)
;; Keywords: literate programming, reproducible research, mathomatic
;; 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 mathomatic entries.
;;
;; This differs from most standard languages in that
;;
;; 1) there is no such thing as a "session" in mathomatic
;;
;; 2) we are adding the "cmdline" header argument
;;; Code:
(require 'ob)
(defvar org-babel-tangle-lang-exts)
(add-to-list 'org-babel-tangle-lang-exts '("mathomatic" . "math"))
(defvar org-babel-default-header-args-mathomatic '())
(defcustom org-babel-mathomatic-command
(if (boundp 'mathomatic-command) mathomatic-command "mathomatic")
"Command used to call mathomatic on the shell."
:group 'org-babel)
(defun org-babel-mathomatic-expand (body params)
"Expand a block of Mathomatic code according to its header arguments."
(let ((vars (mapcar #'cdr (org-babel-get-header params :var))))
(mapconcat 'identity
(list
;; graphic output
(let ((graphic-file (org-babel-mathomatic-graphical-output-file params)))
(if graphic-file
(cond
((string-match ".\.eps$" graphic-file)
(format ;; Need to add command to send to file.
"set plot set terminal postscript eps\\;set output %S "
graphic-file))
((string-match ".\.ps$" graphic-file)
(format ;; Need to add command to send to file.
"set plot set terminal postscript\\;set output %S "
graphic-file))
((string-match ".\.pic$" graphic-file)
(format ;; Need to add command to send to file.
"set plot set terminal gpic\\;set output %S "
graphic-file))
(t
(format ;; Need to add command to send to file.
"set plot set terminal png\\;set output %S "
graphic-file)))
""))
;; variables
(mapconcat 'org-babel-mathomatic-var-to-mathomatic vars "\n")
;; body
body
"")
"\n")))
(defun org-babel-execute:mathomatic (body params)
"Execute a block of Mathomatic entries with org-babel. This function is
called by `org-babel-execute-src-block'."
(message "executing Mathomatic source code block")
(let ((result-params (split-string (or (cdr (assoc :results params)) "")))
(result
(let* ((cmdline (or (cdr (assoc :cmdline params)) ""))
(in-file (org-babel-temp-file "mathomatic-" ".math"))
(cmd (format "%s -t -c -q %s %s"
org-babel-mathomatic-command in-file cmdline)))
(with-temp-file in-file (insert (org-babel-mathomatic-expand body params)))
(message cmd)
((lambda (raw) ;; " | grep -v batch | grep -v 'replaced' | sed '/^$/d' "
(mapconcat
#'identity
(delq nil
(mapcar (lambda (line)
(unless (or (string-match "batch" line)
(string-match "^rat: replaced .*$" line)
(= 0 (length line)))
line))
(split-string raw "[\r\n]"))) "\n"))
(org-babel-eval cmd "")))))
(if (org-babel-mathomatic-graphical-output-file params)
nil
(if (or (member "scalar" result-params)
(member "verbatim" result-params)
(member "output" result-params))
result
(let ((tmp-file (org-babel-temp-file "mathomatic-res-")))
(with-temp-file tmp-file (insert result))
(org-babel-import-elisp-from-file tmp-file))))))
(defun org-babel-prep-session:mathomatic (session params)
(error "Mathomatic does not support sessions"))
(defun org-babel-mathomatic-var-to-mathomatic (pair)
"Convert an elisp val into a string of mathomatic code specifying a var
of the same value."
(let ((var (car pair))
(val (cdr pair)))
(when (symbolp val)
(setq val (symbol-name val))
(when (= (length val) 1)
(setq val (string-to-char val))))
(format "%s=%s" var
(org-babel-mathomatic-elisp-to-mathomatic val))))
(defun org-babel-mathomatic-graphical-output-file (params)
"Name of file to which mathomatic should send graphical output."
(and (member "graphics" (cdr (assq :result-params params)))
(cdr (assq :file params))))
(defun org-babel-mathomatic-elisp-to-mathomatic (val)
"Return a string of mathomatic code which evaluates to VAL."
(if (listp val)
(mapconcat #'org-babel-mathomatic-elisp-to-mathomatic val " ")
(format "%s" val)))
(provide 'ob-mathomatic)
;;; ob-mathomatic.el ends here
|