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ob-plantuml: Allow different @start-/@end clauses 

* lisp/ob-plantuml (org-babel-plantuml-make-body) Do not insert
@startuml and @enduml if body already starts with "@start".

PlantUML supports non-UML diagrams that have to be enclosed with
@startgantt/@endgantt for example.  The code for these diagrams can
contain the proper clauses without being enclosed additionally with
@startuml/@enduml.
This commit is contained in:
Henrik Koschitzki 2019-08-17 14:26:26 +02:00 committed by Nicolas Goaziou
parent c7bce7a986
commit 4e854974be
1 changed files with 9 additions and 6 deletions
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15
lisp/ob-plantuml.el
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@ -60,16 +60,19 @@ are expected to be scalar variables."
(defun org-babel-plantuml-make-body (body params)
"Return PlantUML input string.
BODY is the content of the source block and PARAMS is a property list
of source block parameters. This function relies on the
`org-babel-expand-body:generic' function to extract `:var' entries
from PARAMS and on the `org-babel-variable-assignments:plantuml'
function to convert variables to PlantUML assignments."
(concat
"@startuml\n"
(org-babel-expand-body:generic
body params (org-babel-variable-assignments:plantuml params))
"\n@enduml"))
function to convert variables to PlantUML assignments.
If BODY does not contain @startXXX ... @endXXX clauses, @startuml
... @enduml will be added."
(let ((assignments (org-babel-variable-assignments:plantuml params)))
(if (string-prefix-p "@start" body t) assignments
(format "@startuml\n%s\n@enduml"
(org-babel-expand-body:generic body params assignments)))))
(defun org-babel-execute:plantuml (body params)
"Execute a block of plantuml code with org-babel.