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jupyter-org-insert-src-block: Be aware of a src-block's results

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When `point` is between a src-block and its result with only whitespace
separating the end of a src-block and the beginning of its results, insert a
new src-block after the result.
This commit is contained in:
Nathaniel Nicandro 2019-03-31 16:05:26 -05:00
parent 08a4723c0b
commit 642b0ef592
1 changed files with 30 additions and 7 deletions
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37
jupyter-org-extensions.el
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@ -107,6 +107,27 @@ assumed to not be inside a source block."
(if (org-babel-jupyter-language-p lang) lang
(format "jupyter-%s" lang))))))
(defun jupyter-org-between-block-end-and-result-p ()
"If `point' is between a src-block and its result, return the result end.
`point' is considered between a src-block and its result when the
result begins where the src-block ends, i.e. when only whitespace
separates the two."
;; Move after a src block's results first if `point' is between a src
;; block and it's results. Don't do this if the results are not directly
;; after a src block, e.g. for named results that appear somewhere else.
(save-excursion
(let ((start (point)))
(when-let* ((src (and (ignore-errors (org-babel-previous-src-block))
(org-element-context)))
(end (org-element-property :end src))
(result-pos (org-babel-where-is-src-block-result)))
(goto-char end)
(skip-chars-backward " \n\t\r")
(when (and (= result-pos end)
(< (point) start result-pos))
(goto-char result-pos)
(org-element-property :end (org-element-context)))))))
;;;###autoload
(defun jupyter-org-insert-src-block (&optional below query)
"Insert a src-block above `point'.
@ -125,12 +146,11 @@ language based on the src-block's near `point'."
(end (org-element-property :end src))
(lang (org-element-property :language src))
(switches (org-element-property :switches src))
(parameters (org-element-property :parameters src))
location)
(parameters (org-element-property :parameters src)))
(if below
(progn
(goto-char start)
(setq location (org-babel-where-is-src-block-result))
(let ((location (progn
(goto-char start)
(org-babel-where-is-src-block-result))))
(if (not location)
(goto-char end)
(goto-char location)
@ -154,9 +174,12 @@ language based on the src-block's near `point'."
:post-blank 1)))
(forward-line -3)))
;; not in a src block, insert a new block, query for jupyter kernel
(beginning-of-line)
(let* ((lang (jupyter-org-closest-jupyter-language query))
(src-block (jupyter-org-src-block lang nil "\n")))
(beginning-of-line)
(when-let* ((pos (jupyter-org-between-block-end-and-result-p)))
(goto-char pos)
(skip-chars-backward " \n\t\r"))
(unless (looking-at-p "^[\t ]*$")
;; Move past the current element first
(let ((elem (org-element-at-point)) parent)
@ -167,7 +190,7 @@ language based on the src-block's near `point'."
(if below :end :begin) elem))))
(cond
(below
(skip-chars-backward " \n\t")
(skip-chars-backward " \n\t\r")
(insert "\n"))
(t
(insert "\n")