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| | ;;; ob-mathomatic.el --- Org-babel functions for mathomatic evaluation
;; Copyright (C) 2009-2021 Free Software Foundation, Inc.
;; Author: Eric S Fraga
;; Eric Schulte
;; Luis Anaya (Mathomatic)
;; Keywords: literate programming, reproducible research, mathomatic
;; Homepage: https://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 <https://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 (org-babel--get-vars params)))
(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$" graphic-file)
(format ;; Need to add command to send to file.
"set plot set terminal gpic\\;set output %S "
graphic-file))
(t
(format ;; Need to add command to send to file.
"set plot set terminal png\\;set output %S "
graphic-file)))
""))
;; variables
(mapconcat 'org-babel-mathomatic-var-to-mathomatic vars "\n")
;; body
body
"")
"\n")))
(defun org-babel-execute:mathomatic (body params)
"Execute a block of Mathomatic entries with org-babel. This function is
called by `org-babel-execute-src-block'."
(message "executing Mathomatic source code block")
(let ((result-params (split-string (or (cdr (assq :results params)) "")))
(result
(let* ((cmdline (or (cdr (assq :cmdline params)) ""))
(in-file (org-babel-temp-file "mathomatic-" ".math"))
(cmd (format "%s -t -c -q %s %s"
org-babel-mathomatic-command in-file cmdline)))
(with-temp-file in-file (insert (org-babel-mathomatic-expand body params)))
(message cmd)
((lambda (raw) ;; " | grep -v batch | grep -v 'replaced' | sed '/^$/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
|