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emacs/lisp/org/ob-sass.el
Paul Eggert bc511a64f6 Prefer HTTPS to FTP and HTTP in documentation
Most of this change is to boilerplate commentary such as license URLs.
This change was prompted by ftp://ftp.gnu.org's going-away party,
planned for November.  Change these FTP URLs to https://ftp.gnu.org
instead.  Make similar changes for URLs to other organizations moving
away from FTP.  Also, change HTTP to HTTPS for URLs to gnu.org and
fsf.org when this works, as this will further help defend against
man-in-the-middle attacks (for this part I omitted the MS-DOS and
MS-Windows sources and the test tarballs to keep the workload down).
HTTPS is not fully working to lists.gnu.org so I left those URLs alone
for now.
2017-09-13 15:54:37 -07:00

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EmacsLisp

;;; ob-sass.el --- Babel Functions for the Sass CSS generation language -*- lexical-binding: t; -*-
;; Copyright (C) 2009-2017 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 <https://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)
(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* ((file (cdr (assq :file params)))
(out-file (or file (org-babel-temp-file "sass-out-")))
(cmdline (cdr (assq :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