0
0
Fork 1
mirror of https://git.savannah.gnu.org/git/emacs/org-mode.git synced 2024-09-18 10:40:14 +00:00
org-mode/lisp/org-babel-lob.el
Dan Davison f5684b7deb Still getting started with lob.
I plan to get rid of much of this and just implement it as a new
language with a degenerate source block for now (i.e. no body).
2009-06-12 23:02:19 -04:00

89 lines
3 KiB
EmacsLisp

;;; org-babel-lob.el --- The Library of Babel: off-the-shelf functions for data analysis and plotting using org-babel
;; Copyright (C) 2009 Dan Davison, Eric Schulte
;; Author: Dan Davison, Eric Schulte
;; Keywords: literate programming, reproducible research
;; Homepage: http://orgmode.org
;; Version: 0.01
;;; License:
;; This program 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, or (at your option)
;; any later version.
;;
;; This program 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; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; See org-babel.org in the parent directory for more information
;;; Code:
(require 'org)
(defvar org-babel-lob-regexp
(concat "#\\+babel[ \t]*"
"\\([ \t]+\\([^\n]+\\)\\)?\n") ;; match header arguments
"Regexp used to test when on a babel library call line")
(defvar org-babel-lob-inline-regexp nil
"Regexp used to test whether at an inline babel library call")
(defun org-babel-lob-execute-maybe ()
"Detect if this is a babel library line and if so
then run `org-babel-lob-execute'."
(interactive)
(let ((info (org-babel-get-src-block-info)))
(if info (progn (org-babel-execute-src-block current-prefix-arg info) t) nil)))
(add-hook 'org-ctrl-c-ctrl-c-hook 'org-babel-lob-call)
(defun org-babel-lob-execute ()
"Execute an org-babel library function."
(interactive))
(defun org-babel-lob-get-src-block-info ()
"This is taken from `org-babel-get-src-block-info'. Maybe we could abstract and unify.
Return the information of the current source block as a list
of the following form. (language body header-arguments-alist)"
(let ((case-fold-search t) head)
(if (setq head (org-babel-lob-where-is-block-head))
(save-excursion (goto-char head) (org-babel-lob-parse-lob-line-match))
(if (save-excursion ;; inline source block
(re-search-backward "[ \f\t\n\r\v]" nil t)
(forward-char 1)
(looking-at org-babel-lob-inline-regexp))
(org-babel-parse-inline-src-block-match)
nil)))) ;; indicate that no source block was found
(defun org-babel-lob-parse-lob-line-match ()
(list nil ;; no language
nil ;; no head
(org-combine-plists
org-babel-default-header-args
(org-babel-parse-header-arguments
(org-babel-clean-text-properties
(or (match-string 3) ""))))))
(defun org-babel-lob-where-is-block-head ()
"Return point at beginning of #+babel line."
(save-excursion
(beginning-of-line 1)
(and (looking-at org-babel-lob-regexp)
(point))))
(provide 'org-babel-lob)