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1 | ;;; ob-sass.el --- org-babel functions for the sass css generation language |
2 | ||
3 | ;; Copyright (C) 2009, 2010 Free Software Foundation, Inc. | |
4 | ||
5 | ;; Author: Eric Schulte | |
6 | ;; Keywords: literate programming, reproducible research | |
7 | ;; Homepage: http://orgmode.org | |
acedf35c | 8 | ;; Version: 7.4 |
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9 | |
10 | ;; This file is part of GNU Emacs. | |
11 | ||
12 | ;; GNU Emacs is free software: you can redistribute it and/or modify | |
13 | ;; it under the terms of the GNU General Public License as published by | |
14 | ;; the Free Software Foundation, either version 3 of the License, or | |
15 | ;; (at your option) any later version. | |
16 | ||
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
23 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. | |
24 | ||
25 | ;;; Commentary: | |
26 | ||
27 | ;; For more information on sass see http://sass-lang.com/ | |
28 | ;; | |
29 | ;; This accepts a 'file' header argument which is the target of the | |
30 | ;; compiled sass. The default output type for sass evaluation is | |
31 | ;; either file (if a 'file' header argument was given) or scalar if no | |
32 | ;; such header argument was supplied. | |
33 | ;; | |
34 | ;; A 'cmdline' header argument can be supplied to pass arguments to | |
35 | ;; the sass command line. | |
36 | ||
37 | ;;; Requirements: | |
38 | ||
39 | ;; - sass-mode :: http://github.com/nex3/haml/blob/master/extra/sass-mode.el | |
40 | ||
41 | ;;; Code: | |
42 | (require 'ob) | |
43 | ||
44 | (defvar org-babel-default-header-args:sass '()) | |
45 | ||
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46 | (defun org-babel-execute:sass (body params) |
47 | "Execute a block of Sass code with Babel. | |
48 | This function is called by `org-babel-execute-src-block'." | |
49 | (let* ((result-params (split-string (or (cdr (assoc :results params)) ""))) | |
50 | (file (cdr (assoc :file params))) | |
afe98dfa | 51 | (out-file (or file (org-babel-temp-file "sass-out-"))) |
86fbb8ca | 52 | (cmdline (cdr (assoc :cmdline params))) |
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53 | (in-file (org-babel-temp-file "sass-in-")) |
54 | (cmd (concat "sass " (or cmdline "") | |
55 | " " (org-babel-process-file-name in-file) | |
56 | " " (org-babel-process-file-name out-file)))) | |
86fbb8ca | 57 | (with-temp-file in-file |
afe98dfa | 58 | (insert (org-babel-expand-body:generic body params))) (shell-command cmd) |
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59 | (or file (with-temp-buffer (insert-file-contents out-file) (buffer-string))))) |
60 | ||
61 | (defun org-babel-prep-session:sass (session params) | |
62 | "Raise an error because sass does not support sessions." | |
63 | (error "Sass does not support sessions")) | |
64 | ||
65 | (provide 'ob-sass) | |
66 | ||
67 | ;; arch-tag: 2954b169-eef4-45ce-a8e5-3e619f0f07ac | |
68 | ||
69 | ;;; ob-sass.el ends here |