diff options
Diffstat (limited to 'lisp/org/ob-plantuml.el')
| -rw-r--r-- | lisp/org/ob-plantuml.el | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/lisp/org/ob-plantuml.el b/lisp/org/ob-plantuml.el index 20dc25f6484..8093100edaf 100644 --- a/lisp/org/ob-plantuml.el +++ b/lisp/org/ob-plantuml.el @@ -46,6 +46,31 @@ :version "24.1" :type '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 +contain multiple entries for the key `:var'. `:var' entries in PARAMS +are expected to be scalar variables." + (mapcar + (lambda (pair) + (format "!define %s %s" + (car pair) + (replace-regexp-in-string "\"" "" (cdr pair)))) + (org-babel--get-vars params))) + +(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")) + (defun org-babel-execute:plantuml (body params) "Execute a block of plantuml code with org-babel. This function is called by `org-babel-execute-src-block'." @@ -54,6 +79,7 @@ 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 " @@ -85,7 +111,7 @@ This function is called by `org-babel-execute-src-block'." (org-babel-process-file-name out-file))))) (unless (file-exists-p org-plantuml-jar-path) (error "Could not find plantuml.jar at %s" org-plantuml-jar-path)) - (with-temp-file in-file (insert (concat "@startuml\n" body "\n@enduml"))) + (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 |