116 lines
4.3 KiB
EmacsLisp
116 lines
4.3 KiB
EmacsLisp
;;; ob-lob.el --- The Library of Babel: off-the-shelf functions for data analysis and plotting using org-babel
|
|
|
|
;; Copyright (C) 2009 Eric Schulte, Dan Davison
|
|
|
|
;; Author: Eric Schulte, Dan Davison
|
|
;; 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 'ob)
|
|
(require 'ob-table)
|
|
(require 'ob-exp)
|
|
|
|
(declare-function org-babel-get-src-block-info "ob" (&optional header-vars-only))
|
|
|
|
(defvar org-babel-library-of-babel nil
|
|
"Library of source-code blocks. This is an association list.
|
|
Populate the library by adding files to `org-babel-lob-files'.")
|
|
|
|
(defcustom org-babel-lob-files '()
|
|
"Files used to populate the `org-babel-library-of-babel'. To
|
|
add files to this list use the `org-babel-lob-ingest' command."
|
|
:group 'org-babel
|
|
:type 'list)
|
|
|
|
(defun org-babel-lob-ingest (&optional file)
|
|
"Add all source-blocks defined in FILE to `org-babel-library-of-babel'."
|
|
(interactive "f")
|
|
(org-babel-map-source-blocks file
|
|
(let* ((info (org-babel-get-src-block-info))
|
|
(source-name (intern (fifth info))))
|
|
(when source-name
|
|
(setq org-babel-library-of-babel
|
|
(cons (cons source-name info)
|
|
(assq-delete-all source-name org-babel-library-of-babel)))))))
|
|
|
|
(defconst org-babel-lob-call-aliases '("lob" "call")
|
|
"These can be used interchangeably to call a source block
|
|
function. If you change the value of this variable then your
|
|
files may become unusable by other org-babel users, and vice
|
|
versa.")
|
|
|
|
(defconst org-babel-lob-one-liner-regexp
|
|
(concat "^\\([ \t]*\\)#\\+\\(?:"
|
|
(mapconcat #'regexp-quote org-babel-lob-call-aliases "\\|")
|
|
"\\):[ \t]+\\([^\(\)\n]+\\)\(\\([^\n]*\\)\)[ \t]*\\([^\n]*\\)")
|
|
"Regexp to match calls to predefined source block functions")
|
|
|
|
;; functions for executing lob one-liners
|
|
|
|
(defun org-babel-lob-execute-maybe ()
|
|
"Detect if this is context for a org-babel Library Of Babel
|
|
src-block and if so then run the appropriate source block from
|
|
the Library."
|
|
(interactive)
|
|
(let ((info (org-babel-lob-get-info)))
|
|
(if (first info) (progn (org-babel-lob-execute info) t) nil)))
|
|
|
|
(add-hook 'org-ctrl-c-ctrl-c-hook 'org-babel-lob-execute-maybe)
|
|
|
|
(defun org-babel-lob-get-info ()
|
|
"Return the function call supplied on the current Library of
|
|
Babel line as a string.
|
|
|
|
This function is analogous to org-babel-get-src-block-name. For
|
|
both functions, after they are called, (match-string 1) matches
|
|
the function name, and (match-string 2) matches the function
|
|
arguments inside the parentheses. I think perhaps these functions
|
|
should be renamed to bring out this similarity, perhaps involving
|
|
the word 'call'."
|
|
(let ((case-fold-search t))
|
|
(save-excursion
|
|
(beginning-of-line 1)
|
|
(if (looking-at org-babel-lob-one-liner-regexp)
|
|
(append (mapcar #'org-babel-clean-text-properties
|
|
(list (format "%s(%s)" (match-string 2) (match-string 3))
|
|
(match-string 4)))
|
|
(list (length (match-string 1))))))))
|
|
|
|
(defun org-babel-lob-execute (info)
|
|
"Execute the lob call specified by INFO."
|
|
(let ((params (org-babel-merge-params
|
|
org-babel-default-header-args
|
|
(org-babel-params-from-buffer)
|
|
(org-babel-params-from-properties)
|
|
(org-babel-parse-header-arguments
|
|
(org-babel-clean-text-properties
|
|
(concat ":var results=" (mapconcat #'identity (butlast info) " ")))))))
|
|
(org-babel-execute-src-block
|
|
nil (list "emacs-lisp" "results" params nil nil (third info)))))
|
|
|
|
(provide 'ob-lob)
|
|
;;; ob-lob.el ends here
|