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| | ;;; ob-fomus.el --- Org-babel functions for fomus evaluation
;; Copyright (C) 2011-2014 Torsten Anders
;; Author: Torsten Anders
;; Keywords: literate programming, reproducible research
;; 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, 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; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; Org-Babel support for evaluating Fomus source code.
;; For information on Fomus see http://fomus.sourceforge.net/
;;
;; This differs from most standard languages in that
;;
;; 1) there is no such thing as a "session" in fomus
;;
;; 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)
(require 'ob-eval)
(defvar org-babel-default-header-args:fomus
'((:results . "file") (:exports . "results"))
"Default arguments to use when evaluating a fomus source block.")
(defun org-babel-expand-body:fomus (body params)
"Expand BODY according to PARAMS, return the expanded body."
(let ((vars (org-babel--get-vars params)))
(mapc
(lambda (pair)
(let ((name (symbol-name (car pair)))
(value (cdr pair)))
(setq body
(replace-regexp-in-string
(concat "\$" (regexp-quote name))
(if (stringp value) value (format "%S" value))
body))))
vars)
body))
(defun org-babel-execute:fomus (body params)
"Execute a block of Fomus code with org-babel.
This function is called by `org-babel-execute-src-block'."
(let* ((result-params (cdr (assq :result-params params)))
(out-file (cdr (assq :file params)))
(cmdline (cdr (assq :cmdline params)))
(cmd (or (cdr (assq :cmd params)) "fomus"))
(in-file (org-babel-temp-file "fomus-" ".fms")))
(with-temp-file in-file
(insert (org-babel-expand-body:fomus body params)))
;; TMP: testing
;; (message (concat cmd
;; " " (org-babel-process-file-name in-file)
;; " " cmdline
;; " -o " (org-babel-process-file-name out-file)))
(org-babel-eval
(concat cmd
" " (org-babel-process-file-name in-file)
" " cmdline
" -o " (org-babel-process-file-name out-file)) "")
nil)) ;; signal that output has already been written to file
(defun org-babel-prep-session:fomus (session params)
"Return an error because Fomus does not support sessions."
(error "Fomus does not support sessions"))
(provide 'ob-fomus)
;;; ob-fomus.el ends here
|