87 lines
2.9 KiB
EmacsLisp
87 lines
2.9 KiB
EmacsLisp
;;; litorgy-table.el --- integration for calling litorgical functions from tables
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;; Copyright (C) 2009 Eric Schulte
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;; Author: 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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;; Should allow calling functions from org-mode tables using the
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;; function `sbe' as so...
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;;
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;; #+begin_src emacs-lisp :results silent
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;; (defun fibbd (n) (if (< n 2) 1 (+ (fibbd (- n 1)) (fibbd (- n 2)))))
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;; #+end_src
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;;
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;; #+srcname: fibbd
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;; #+begin_src emacs-lisp :var n=2 :results silent
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;; (fibbd n)
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;; #+end_src
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;;
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;; | original | fibbd |
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;; |----------+--------|
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;; | 0 | |
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;; | 1 | |
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;; | 2 | |
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;; | 3 | |
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;; | 4 | |
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;; | 5 | |
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;; | 6 | |
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;; | 7 | |
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;; | 8 | |
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;; | 9 | |
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;; #+TBLFM: $2='(sbe 'fibbd (n $1))
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;;; Code:
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(require 'litorgy)
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(defmacro sbe (source-block &rest variables)
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"Return the results of calling SOURCE-BLOCK with all assigning
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every variable in VARIABLES. Each element of VARIABLES should be
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a two element list, who's first element is the name of the
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variable and second element is a string of it's value. The
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following call to `sbe' would be equivalent to the following
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source code block.
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(sbe 'source-block (n 2) (m 3))
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#+begin_src emacs-lisp :var results=source-block(n=2, m=3) :results silent
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results
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#+end_src"
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(unless (stringp source-block) (setq source-block (symbol-name source-block)))
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(if (and source-block (> (length source-block) 0))
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(let ((params (eval `(litorgy-parse-header-arguments
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(concat ":var results="
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,source-block
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"("
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(mapconcat (lambda (var-spec)
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(format "%S=%s" (first var-spec) (second var-spec)))
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',variables ", ")
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")")))))
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(litorgy-execute-src-block
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nil (list "emacs-lisp" "results" (org-combine-plists params '((:results . "silent"))))))
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""))
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(provide 'litorgy-table)
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;;; litorgy-table.el ends here
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