ox-md: Fix handling of switches in source blocks
[org-mode.git] / lisp / ob-org.el
blobbc02f23ff5758da597b310888b449952b1d8b5a0
1 ;;; ob-org.el --- org-babel functions for org code block evaluation
3 ;; Copyright (C) 2010-2014 Free Software Foundation, Inc.
5 ;; Author: Eric Schulte
6 ;; Keywords: literate programming, reproducible research
7 ;; Homepage: http://orgmode.org
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software: you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation, either version 3 of the License, or
14 ;; (at your option) any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
24 ;;; Commentary:
26 ;; This is the simplest of code blocks, where upon evaluation the
27 ;; contents of the code block are returned in a raw result.
29 ;;; Code:
30 (require 'ob)
32 (declare-function org-export-string-as "ox"
33 (string backend &optional body-only ext-plist))
35 (defvar org-babel-default-header-args:org
36 '((:results . "raw silent") (:exports . "code"))
37 "Default arguments for evaluating a org source block.")
39 (defvar org-babel-org-default-header
40 "#+TITLE: default empty header\n"
41 "Default header inserted during export of org blocks.")
43 (defun org-babel-expand-body:org (body params)
44 (dolist (var (mapcar #'cdr (org-babel-get-header params :var)))
45 (setq body (replace-regexp-in-string
46 (regexp-quote (format "$%s" (car var)))
47 (format "%s" (cdr var))
48 body nil 'literal)))
49 body)
51 (defun org-babel-execute:org (body params)
52 "Execute a block of Org code with.
53 This function is called by `org-babel-execute-src-block'."
54 (let ((result-params (split-string (or (cdr (assoc :results params)) "")))
55 (body (org-babel-expand-body:org
56 (replace-regexp-in-string "^," "" body) params)))
57 (cond
58 ((member "latex" result-params)
59 (org-export-string-as (concat "#+Title: \n" body) 'latex t))
60 ((member "html" result-params) (org-export-string-as body 'html t))
61 ((member "ascii" result-params) (org-export-string-as body 'ascii t))
62 (t body))))
64 (defun org-babel-prep-session:org (session params)
65 "Return an error because org does not support sessions."
66 (error "Org does not support sessions"))
68 (provide 'ob-org)
72 ;;; ob-org.el ends here