forked from mirrors/org-mode
ecd0562c5f
I started from the 78ec8e commit then cherry-picked and squashed commits that have been done in master since then, except the bad commits that overwrote the tree (in master) with the tree in maint. This commit also bumps the version number to 7.8.06. The only "fix" that was made between 78ec8e and the previous commit is e0072f which has been reported to break stuff.
92 lines
3 KiB
EmacsLisp
92 lines
3 KiB
EmacsLisp
;;; ob-ditaa.el --- org-babel functions for ditaa evaluation
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;; Copyright (C) 2009-2012 Free Software Foundation, Inc.
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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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;; This file is part of GNU Emacs.
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;; GNU Emacs 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 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs 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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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Org-Babel support for evaluating ditaa source code.
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;;
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;; This differs from most standard languages in that
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;;
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;; 1) there is no such thing as a "session" in ditaa
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;;
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;; 2) we are generally only going to return results of type "file"
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;;
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;; 3) we are adding the "file" and "cmdline" header arguments
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;;
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;; 4) there are no variables (at least for now)
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;;
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;; 5) it depends on a variable defined in org-exp-blocks (namely
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;; `org-ditaa-jar-path') so be sure you have org-exp-blocks loaded
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;;; Code:
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(require 'ob)
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(defvar org-ditaa-jar-path) ;; provided by org-exp-blocks
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(defvar org-babel-default-header-args:ditaa
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'((:results . "file")
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(:exports . "results")
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(:java . "-Dfile.encoding=UTF-8"))
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"Default arguments for evaluating a ditaa source block.")
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(defcustom org-ditaa-jar-option "-jar"
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"Option for the ditaa jar file.
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Do not leave leading or trailing spaces in this string."
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:group 'org-babel
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:version "24.1"
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:type 'string)
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(defun org-babel-execute:ditaa (body params)
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"Execute a block of Ditaa code with org-babel.
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This function is called by `org-babel-execute-src-block'."
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(let* ((result-params (split-string (or (cdr (assoc :results params)) "")))
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(out-file ((lambda (el)
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(or el
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(error
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"ditaa code block requires :file header argument")))
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(cdr (assoc :file params))))
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(cmdline (cdr (assoc :cmdline params)))
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(java (cdr (assoc :java params)))
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(in-file (org-babel-temp-file "ditaa-"))
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(cmd (concat "java " java " " org-ditaa-jar-option " "
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(shell-quote-argument
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(expand-file-name org-ditaa-jar-path))
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" " cmdline
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" " (org-babel-process-file-name in-file)
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" " (org-babel-process-file-name out-file))))
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(unless (file-exists-p org-ditaa-jar-path)
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(error "Could not find ditaa.jar at %s" org-ditaa-jar-path))
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(with-temp-file in-file (insert body))
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(message cmd) (shell-command cmd)
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nil)) ;; signal that output has already been written to file
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(defun org-babel-prep-session:ditaa (session params)
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"Return an error because ditaa does not support sessions."
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(error "Ditaa does not support sessions"))
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(provide 'ob-ditaa)
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;;; ob-ditaa.el ends here
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