94 lines
3.5 KiB
EmacsLisp
94 lines
3.5 KiB
EmacsLisp
;;; org-babel-lob.el --- The Library of Babel: off-the-shelf functions for data analysis and plotting using org-babel
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;; Copyright (C) 2009 Dan Davison, Eric Schulte
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;; Author: Dan Davison, Eric Schulte
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;; Keywords: literate programming, reproducible research
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;; Homepage: http://orgmode.org
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;; Version: 0.01
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;;; License:
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;;
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;;
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;; See org-babel.org in the parent directory for more information
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;;; Code:
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(require 'org-babel)
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(require 'org-babel-table)
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(defvar org-babel-library-of-babel nil
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"Library of source-code blocks. This is an association list.
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Populate the library by adding files to `org-babel-lob-files'.")
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(defcustom org-babel-lob-files '()
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"Files used to populate the `org-babel-library-of-babel'. To
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add files to this list use the `org-babel-lob-ingest' command."
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:group 'org-babel
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:type 'list)
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(defun org-babel-lob-ingest (&optional file)
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"Add all source-blocks defined in FILE to `org-babel-library-of-babel'."
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(interactive "f")
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(org-babel-map-source-blocks file
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(let ((source-name (intern (org-babel-get-src-block-name)))
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(info (org-babel-get-src-block-info)))
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(when source-name
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;; remove :var elements from params
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;; (once we have a better way of combining parameter lists then we won't have to do this)
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(setf (third info) (assq-delete-all :var (third info)))
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(setq org-babel-library-of-babel
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(cons (cons source-name info)
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(assq-delete-all source-name org-babel-library-of-babel)))))))
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(org-babel-lob-ingest ;; actually add the source-blocks defined in library-of-babel.org
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(expand-file-name "library-of-babel.org"
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(expand-file-name ".." (file-name-directory (or load-file-name buffer-file-name)))))
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;; functions for executing lob one-liners
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(defvar org-babel-lob-one-liner-regexp "#\\+lob:[ \t]+\\([^\n]+\\)\n")
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(defun org-babel-lob-execute-maybe ()
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"Detect if this is context for a org-babel Library Of Babel
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src-block and if so then run the appropriate source block from
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the Library."
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(interactive)
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(let ((info (org-babel-lob-get-info)))
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(if info (progn (org-babel-lob-execute info) t) nil)))
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(add-hook 'org-ctrl-c-ctrl-c-hook 'org-babel-lob-execute-maybe)
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(defun org-babel-lob-get-info ()
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"Return the information of the current Library of Babel line as
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a list of the following form.
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(source-block-name header-arguments-alist)"
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(let ((case-fold-search t))
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(save-excursion
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(move-beginning-of-line 1)
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(if (looking-at org-babel-lob-one-liner-regexp)
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(org-babel-clean-text-properties (match-string 1))))))
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(defun org-babel-lob-execute (info)
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(let ((params (org-babel-parse-header-arguments (concat ":var results=" info))))
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(org-babel-execute-src-block t (list "emacs-lisp" "results" params))))
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(provide 'org-babel-lob)
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;;; org-babel-lob.el ends here
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