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1 | ;;; ob-plantuml.el --- org-babel functions for plantuml evaluation |
2 | ||
73b0cd50 | 3 | ;; Copyright (C) 2010-2011 Free Software Foundation, Inc. |
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4 | |
5 | ;; Author: Zhang Weize | |
6 | ;; Keywords: literate programming, reproducible research | |
7 | ;; Homepage: http://orgmode.org | |
acedf35c | 8 | ;; Version: 7.4 |
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9 | |
10 | ;; This file is part of GNU Emacs. | |
11 | ||
12 | ;; GNU Emacs is free software: you can redistribute it and/or modify | |
13 | ;; it under the terms of the GNU General Public License as published by | |
14 | ;; the Free Software Foundation, either version 3 of the License, or | |
15 | ;; (at your option) any later version. | |
16 | ||
17 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
18 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | ;; GNU General Public License for more details. | |
21 | ||
22 | ;; You should have received a copy of the GNU General Public License | |
23 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. | |
24 | ||
25 | ;;; Commentary: | |
26 | ||
27 | ;; Org-Babel support for evaluating plantuml script. | |
28 | ;; | |
29 | ;; Inspired by Ian Yang's org-export-blocks-format-plantuml | |
30 | ;; http://www.emacswiki.org/emacs/org-export-blocks-format-plantuml.el | |
31 | ||
32 | ;;; Requirements: | |
33 | ||
34 | ;; plantuml | http://plantuml.sourceforge.net/ | |
35 | ;; plantuml.jar | `org-plantuml-jar-path' should point to the jar file | |
36 | ||
37 | ;;; Code: | |
38 | (require 'ob) | |
39 | (require 'ob-eval) | |
40 | ||
41 | (defvar org-babel-default-header-args:plantuml | |
42 | '((:results . "file") (:exports . "results")) | |
43 | "Default arguments for evaluating a plantuml source block.") | |
44 | ||
45 | (defcustom org-plantuml-jar-path nil | |
46 | "Path to the plantuml.jar file." | |
47 | :group 'org-babel | |
48 | :type 'string) | |
49 | ||
50 | (defun org-babel-execute:plantuml (body params) | |
51 | "Execute a block of plantuml code with org-babel. | |
52 | This function is called by `org-babel-execute-src-block'." | |
53 | (let* ((result-params (split-string (or (cdr (assoc :results params)) ""))) | |
54 | (out-file (or (cdr (assoc :file params)) | |
55 | (error "plantuml requires a \":file\" header argument"))) | |
56 | (cmdline (cdr (assoc :cmdline params))) | |
57 | (in-file (org-babel-temp-file "plantuml-")) | |
58 | (cmd (if (not org-plantuml-jar-path) | |
59 | (error "`org-plantuml-jar-path' is not set") | |
60 | (concat "java -jar " | |
61 | (shell-quote-argument | |
62 | (expand-file-name org-plantuml-jar-path)) | |
63 | (if (string= (file-name-extension out-file) "svg") | |
64 | " -tsvg" "") | |
65 | " -p " cmdline " < " | |
66 | (org-babel-process-file-name in-file) | |
67 | " > " | |
68 | (org-babel-process-file-name out-file))))) | |
69 | (unless (file-exists-p org-plantuml-jar-path) | |
70 | (error "Could not find plantuml.jar at %s" org-plantuml-jar-path)) | |
71 | (with-temp-file in-file (insert (concat "@startuml\n" body "\n@enduml"))) | |
72 | (message "%s" cmd) (org-babel-eval cmd "") | |
73 | out-file)) | |
74 | ||
75 | (defun org-babel-prep-session:plantuml (session params) | |
76 | "Return an error because plantuml does not support sessions." | |
77 | (error "Plantuml does not support sessions")) | |
78 | ||
79 | (provide 'ob-plantuml) | |
80 | ||
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81 | |
82 | ;;; ob-plantuml.el ends here |