103 lines
3.8 KiB
EmacsLisp
103 lines
3.8 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 Eric Schulte, Dan Davison
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;; Author: Eric Schulte, Dan Davison
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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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(require 'org-babel-exp)
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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* ((info (org-babel-get-src-block-info))
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(source-name (intern (fifth info))))
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(when source-name
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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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;; functions for executing lob one-liners
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(defvar org-babel-lob-one-liner-regexp "^[ \t]*#\\+lob:[ \t]+\\([^\(\)\n]+\\)\(\\([^\n]*\\)\)[ \t]*\\([^\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 (first 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 function call supplied on the current Library of
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Babel line as a string.
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This function is analogous to org-babel-get-src-block-name. For
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both functions, after they are called, (match-string 1) matches
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the function name, and (match-string 2) matches the function
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arguments inside the parentheses. I think perhaps these functions
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should be renamed to bring out this similarity, perhaps involving
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the word 'call'."
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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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(mapcar #'org-babel-clean-text-properties
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(list (format "%s(%s)" (match-string 1) (match-string 2))
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(match-string 3)))))))
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(defun org-babel-lob-execute (info)
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(let ((params (org-babel-merge-params
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org-babel-default-header-args
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(org-babel-parse-header-arguments
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(org-babel-clean-text-properties
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(concat ":var results=" (mapconcat #'identity info " ")))))))
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(org-babel-execute-src-block nil (list "emacs-lisp" "results" params))))
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(define-generic-mode org-babel-lob-mode
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'("#") (list org-babel-function-def-export-keyword) nil nil nil
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"Major mode for fontification of library of babel lines on export")
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(provide 'org-babel-lob)
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;;; org-babel-lob.el ends here
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