forked from mirrors/org-mode
ecf3a4af2c
Add changes from Emacs repo that should have been backported with
bb77dd2.
Update copyright year to 2015
7e09ef09a479731d01b1ca46e94ddadd73ac98e3
Paul Eggert
Thu Jan 1 14:26:41 2015 -0800
127 lines
4.1 KiB
EmacsLisp
127 lines
4.1 KiB
EmacsLisp
;;; ob-ditaa.el --- org-babel functions for ditaa evaluation
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;; Copyright (C) 2009-2015 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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(require 'org-compat)
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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-path (expand-file-name
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"ditaa.jar"
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(file-name-as-directory
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(expand-file-name
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"scripts"
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(file-name-as-directory
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(expand-file-name
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"../contrib"
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(file-name-directory (org-find-library-dir "org")))))))
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"Path to the ditaa jar executable."
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:group 'org-babel
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:type 'string)
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(defcustom org-babel-ditaa-java-cmd "java"
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"Java executable to use when evaluating ditaa blocks."
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:group 'org-babel
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:type 'string)
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(defcustom org-ditaa-eps-jar-path
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(expand-file-name "DitaaEps.jar" (file-name-directory org-ditaa-jar-path))
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"Path to the DitaaEps.jar executable."
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:group 'org-babel
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:version "24.4"
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:package-version '(Org . "8.0")
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:type 'string)
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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 (let ((el (cdr (assoc :file params))))
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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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(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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(eps (cdr (assoc :eps params)))
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(eps-file (when eps
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(org-babel-process-file-name (concat in-file ".eps"))))
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(pdf-cmd (when (and (or (string= (file-name-extension out-file) "pdf")
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(cdr (assoc :pdf params))))
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(concat
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"epstopdf"
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" " eps-file
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" -o=" (org-babel-process-file-name out-file))))
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(cmd (concat org-babel-ditaa-java-cmd
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" " java " " org-ditaa-jar-option " "
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(shell-quote-argument
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(expand-file-name
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(if eps org-ditaa-eps-jar-path org-ditaa-jar-path)))
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" " cmdline
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" " (org-babel-process-file-name in-file)
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" " (if pdf-cmd
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eps-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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(when pdf-cmd (message pdf-cmd) (shell-command pdf-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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