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ob-plantuml: Add support for plantuml executable 

* lisp/ob-plantuml (org-babel-variable-assignments:plantuml): Support
using plantuml executable instead of jar.

Some systems come with an executable for plantuml instead of a specific
JAR file. This adds support for two different modes:
- jar :: using java together with a JAR (previous behavior)
- plantuml :: using a PlantUML executable

The PlantUML executable can be configured via
`org-plantuml-executable-path` and also the arguments that will be given
via `org-plantuml-executable-args`.
This commit is contained in:
Terje Larsen 2019-11-08 10:25:49 +01:00 committed by Bastien Guerry
parent 416b97b5ca
commit 186371eac7
2 changed files with 67 additions and 34 deletions
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7
etc/ORG-NEWS
View File

@ -266,6 +266,13 @@ can now be inserted with this prefix argument.
Source code block header argument =:file-mode= can set file
permissions if =:file= argument is provided.
*** =ob-plantuml=: now supports using PlantUML executable to generate diagrams
Set =org-plantuml-exec-mode= to ='plantuml= in order to use the
executable instead of JAR. When using an executable it is also
possible to configure executable location as well as arguments via:
=org-plantuml-executable-path= and =org-plantuml-executable-args=.
** New commands
*** ~org-table-header-line-mode~

94
lisp/ob-plantuml.el
View File

@ -31,7 +31,7 @@
;;; Requirements:
;; plantuml | http://plantuml.sourceforge.net/
;; plantuml.jar | `org-plantuml-jar-path' should point to the jar file
;; plantuml.jar | `org-plantuml-jar-path' should point to the jar file (when exec mode is `jar')
;;; Code:
(require 'ob)
@ -46,6 +46,31 @@
:version "24.1"
:type 'string)
(defcustom org-plantuml-exec-mode 'jar
"Method to use for PlantUML diagram generation.
`jar' means to use java together with the JAR.
The JAR can be configured via `org-plantuml-jar-path'.
`plantuml' means to use the PlantUML executable.
The executable can be configured via `org-plantuml-executable-path'.
You can also configure extra arguments via `org-plantuml-executable-args'."
:group 'org-babel
:package-version '(Org . "9.4")
:type 'symbol
:options '(jar plantuml))
(defcustom org-plantuml-executable-path "plantuml"
"File name of the PlantUML executable."
:group 'org-babel
:package-version '(Org . "9.4")
:type 'string)
(defcustom org-plantuml-executable-args (list "-headless")
"The arguments passed to plantuml executable when executing PlantUML."
:group 'org-babel
:package-version '(Org . "9.4")
:type '(repeat string))
(defun org-babel-variable-assignments:plantuml (params)
"Return a list of PlantUML statements assigning the block's variables.
PARAMS is a property list of source block parameters, which may
@ -83,40 +108,41 @@ This function is called by `org-babel-execute-src-block'."
(cmdline (cdr (assq :cmdline params)))
(in-file (org-babel-temp-file "plantuml-"))
(java (or (cdr (assq :java params)) ""))
(full-body (org-babel-plantuml-make-body body params))
(cmd (if (string= "" org-plantuml-jar-path)
(error "`org-plantuml-jar-path' is not set")
(concat "java " java " -jar "
(shell-quote-argument
(expand-file-name org-plantuml-jar-path))
(if (string= (file-name-extension out-file) "png")
" -tpng" "")
(if (string= (file-name-extension out-file) "svg")
" -tsvg" "")
(if (string= (file-name-extension out-file) "eps")
" -teps" "")
(if (string= (file-name-extension out-file) "pdf")
" -tpdf" "")
(if (string= (file-name-extension out-file) "tex")
" -tlatex" "")
(if (string= (file-name-extension out-file) "vdx")
" -tvdx" "")
(if (string= (file-name-extension out-file) "xmi")
" -txmi" "")
(if (string= (file-name-extension out-file) "scxml")
" -tscxml" "")
(if (string= (file-name-extension out-file) "html")
" -thtml" "")
(if (string= (file-name-extension out-file) "txt")
" -ttxt" "")
(if (string= (file-name-extension out-file) "utxt")
" -utxt" "")
" -p " cmdline " < "
(org-babel-process-file-name in-file)
" > "
(org-babel-process-file-name out-file)))))
(unless (file-exists-p org-plantuml-jar-path)
(executable (cond ((eq org-plantuml-exec-mode 'plantuml) org-plantuml-executable-path)
(t "java")))
(executable-args (cond ((eq org-plantuml-exec-mode 'plantuml) org-plantuml-executable-args)
((string= "" org-plantuml-jar-path)
(error "`org-plantuml-jar-path' is not set"))
((not (file-exists-p org-plantuml-jar-path))
(error "Could not find plantuml.jar at %s" org-plantuml-jar-path))
(t (list java
"-jar"
(shell-quote-argument (expand-file-name org-plantuml-jar-path))))))
(full-body (org-babel-plantuml-make-body body params))
(cmd (mapconcat #'identity
(append
(list executable)
executable-args
(pcase (file-name-extension out-file)
("png" '("-tpng"))
("svg" '("-tsvg"))
("eps" '("-teps"))
("pdf" '("-tpdf"))
("tex" '("-tlatex"))
("vdx" '("-tvdx"))
("xmi" '("-txmi"))
("scxml" '("-tscxml"))
("html" '("-thtml"))
("txt" '("-ttxt"))
("utxt" '("-utxt")))
(list
"-p"
cmdline
"<"
(org-babel-process-file-name in-file)
">"
(org-babel-process-file-name out-file)))
" ")))
(with-temp-file in-file (insert full-body))
(message "%s" cmd) (org-babel-eval cmd "")
nil)) ;; signal that output has already been written to file