;;; ob-sass.el --- org-babel functions for the sass css generation language ;; Copyright (C) 2009-2011 Free Software Foundation, Inc. ;; Author: Eric Schulte ;; Keywords: literate programming, reproducible research ;; Homepage: http://orgmode.org ;; This file is part of GNU Emacs. ;; GNU Emacs 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. ;; GNU Emacs 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: ;; For more information on sass see http://sass-lang.com/ ;; ;; This accepts a 'file' header argument which is the target of the ;; compiled sass. The default output type for sass evaluation is ;; either file (if a 'file' header argument was given) or scalar if no ;; such header argument was supplied. ;; ;; A 'cmdline' header argument can be supplied to pass arguments to ;; the sass command line. ;;; Requirements: ;; - sass-mode :: http://github.com/nex3/haml/blob/master/extra/sass-mode.el ;;; Code: (require 'ob) (require 'ob-eval) (defvar org-babel-default-header-args:sass '()) (defun org-babel-execute:sass (body params) "Execute a block of Sass code with Babel. This function is called by `org-babel-execute-src-block'." (let* ((result-params (split-string (or (cdr (assoc :results params)) ""))) (file (cdr (assoc :file params))) (out-file (or file (org-babel-temp-file "sass-out-"))) (cmdline (cdr (assoc :cmdline params))) (in-file (org-babel-temp-file "sass-in-")) (cmd (concat "sass " (or cmdline "") " " (org-babel-process-file-name in-file) " " (org-babel-process-file-name out-file)))) (with-temp-file in-file (insert (org-babel-expand-body:generic body params))) (org-babel-eval cmd "") (if file nil ;; signal that output has already been written to file (with-temp-buffer (insert-file-contents out-file) (buffer-string))))) (defun org-babel-prep-session:sass (session params) "Raise an error because sass does not support sessions." (error "Sass does not support sessions")) (provide 'ob-sass) ;;; ob-sass.el ends here