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lisp/ob-plantuml.el: Insert results in buffer

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When :results header arg is set to a value that doesn't include
"file", insert txt output in buffer below src block.

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This commit is contained in:
Joseph Turner 2022-08-05 13:18:13 -07:00 committed by Ihor Radchenko
parent a0b21e3f1c
commit 9cc60dee48
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GPG Key ID: 6470762A7DA11D8B
2 changed files with 16 additions and 3 deletions
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7
etc/ORG-NEWS
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@ -343,6 +343,13 @@ files that are exported to Texinfo.
=org-at-heading-p= now returns t by default on headings inside folds.
Passing optional argument will produce the old behaviour.
*** =org-babel-execute:plantuml= can output ASCII graphs in the buffer
Previously, executing PlantUML src blocks always exported to a file. Now, if
:results is set to a value which does not include "file", no file will be
exported and an ASCII graph will be inserted below the src block.
** Removed or renamed functions and variables
*** =org-plantump-executable-args= is renamed and applies to jar as well

12
lisp/ob-plantuml.el
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@ -109,8 +109,11 @@ If BODY does not contain @startXXX ... @endXXX clauses, @startuml
(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'."
(let* ((out-file (or (cdr (assq :file params))
(error "PlantUML requires a \":file\" header argument")))
(let* ((do-export (member "file" (cdr (assq :result-params params))))
(out-file (if do-export
(or (cdr (assq :file params))
(error "No :file provided but :results set to file. For plain text output, set :results to verbatim"))
(org-babel-temp-file "plantuml-" ".txt")))
(cmdline (cdr (assq :cmdline params)))
(in-file (org-babel-temp-file "plantuml-"))
(java (or (cdr (assq :java params)) ""))
@ -155,7 +158,10 @@ This function is called by `org-babel-execute-src-block'."
(if (and (string= (file-name-extension out-file) "svg")
org-babel-plantuml-svg-text-to-path)
(org-babel-eval (format "inkscape %s -T -l %s" out-file out-file) ""))
nil)) ;; signal that output has already been written to file
(unless do-export (with-temp-buffer
(insert-file-contents out-file)
(buffer-substring-no-properties
(point-min) (point-max))))))
(defun org-babel-prep-session:plantuml (_session _params)
"Return an error because plantuml does not support sessions."