diff options
author | Luke Shumaker <LukeShu@sbcglobal.net> | 2011-04-13 23:20:15 -0400 |
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committer | Luke Shumaker <LukeShu@sbcglobal.net> | 2011-04-13 23:20:15 -0400 |
commit | f7464fdd2e33e5dc6c159a4adc8f53902e6d4511 (patch) | |
tree | b1d65db982af54cc2088de3228174c4ea710c2f4 /.emacs.d/org-7.4/lisp/ob-dot.el |
Initial commit of Luke Shumaker's "dot-files".
Diffstat (limited to '.emacs.d/org-7.4/lisp/ob-dot.el')
-rw-r--r-- | .emacs.d/org-7.4/lisp/ob-dot.el | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/.emacs.d/org-7.4/lisp/ob-dot.el b/.emacs.d/org-7.4/lisp/ob-dot.el new file mode 100644 index 0000000..36baddb --- /dev/null +++ b/.emacs.d/org-7.4/lisp/ob-dot.el @@ -0,0 +1,90 @@ +;;; ob-dot.el --- org-babel functions for dot evaluation + +;; Copyright (C) 2009, 2010 Free Software Foundation, Inc. + +;; Author: Eric Schulte +;; Keywords: literate programming, reproducible research +;; Homepage: http://orgmode.org +;; Version: 7.4 + +;; 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: + +;; Org-Babel support for evaluating dot source code. +;; +;; For information on dot see http://www.graphviz.org/ +;; +;; This differs from most standard languages in that +;; +;; 1) there is no such thing as a "session" in dot +;; +;; 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:dot + '((:results . "file") (:exports . "results")) + "Default arguments to use when evaluating a dot source block.") + +(defun org-babel-expand-body:dot (body params) + "Expand BODY according to PARAMS, return the expanded body." + (let ((vars (mapcar #'cdr (org-babel-get-header params :var)))) + (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:dot (body params) + "Execute a block of Dot code with org-babel. +This function is called by `org-babel-execute-src-block'." + (let* ((result-params (cdr (assoc :result-params params))) + (out-file (cdr (assoc :file params))) + (cmdline (or (cdr (assoc :cmdline params)) + (format "-T%s" (file-name-extension out-file)))) + (cmd (or (cdr (assoc :cmd params)) "dot")) + (in-file (org-babel-temp-file "dot-"))) + (with-temp-file in-file + (insert (org-babel-expand-body:dot body params))) + (org-babel-eval + (concat cmd + " " (org-babel-process-file-name in-file) + " " cmdline + " -o " (org-babel-process-file-name out-file)) "") + out-file)) + +(defun org-babel-prep-session:dot (session params) + "Return an error because Dot does not support sessions." + (error "Dot does not support sessions")) + +(provide 'ob-dot) + +;; arch-tag: 817d0516-7b47-4f77-a8b2-2aadd8e4d0e2 + +;;; ob-dot.el ends here |