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6e534f9c61
This fixes a wrong merge that should not have happened: commit 7e903a merges the master branch into the maint branch, while we really want to keep the maint branch a bugfix-only branch. This commit reverts back the maint branch to its state before merging the master branch. From there, we will fix remaining problems with the maint branch (e.g. copyright issues) then release this maint branch as Org-mode 7.8.05.
79 lines
2.7 KiB
EmacsLisp
79 lines
2.7 KiB
EmacsLisp
;;; ob-ditaa.el --- org-babel functions for ditaa evaluation
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;; Copyright (C) 2009-2011 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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;;; Code:
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(require 'ob)
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(defvar org-babel-default-header-args:ditaa
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'((:results . "file") (:exports . "results") (:java . "-Dfile.encoding=UTF-8"))
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"Default arguments for evaluating a ditaa source block.")
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(defvar org-ditaa-jar-path)
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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 " -jar "
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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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