Fix `org-copy-visible'

* lisp/org.el (org-copy-visible): Rewrite function.  Do not use
  dubious `org-find-visible' and `org-find-invisible'.

* testing/lisp/test-org.el (test-org/copy-visible): New test.

Reported-by: Gary Cheng <garycheng12@gmail.com>
<http://lists.gnu.org/archive/html/emacs-orgmode/2017-08/msg00568.html>
This commit is contained in:
Nicolas Goaziou 2017-08-26 00:09:51 +02:00
parent 21a8ec1c0f
commit a6840598ed
2 changed files with 55 additions and 10 deletions

View File

@ -20898,16 +20898,14 @@ this numeric value."
(defun org-copy-visible (beg end)
"Copy the visible parts of the region."
(interactive "r")
(let (snippets s)
(save-excursion
(save-restriction
(narrow-to-region beg end)
(setq s (goto-char (point-min)))
(while (not (= (point) (point-max)))
(goto-char (org-find-invisible))
(push (buffer-substring s (point)) snippets)
(setq s (goto-char (org-find-visible))))))
(kill-new (apply 'concat (nreverse snippets)))))
(let ((result ""))
(while (/= beg end)
(when (get-char-property beg 'invisible)
(setq beg (next-single-char-property-change beg 'invisible nil end)))
(let ((next (next-single-char-property-change beg 'invisible nil end)))
(setq result (concat result (buffer-substring beg next)))
(setq beg next)))
(kill-new result)))
(defun org-copy-special ()
"Copy region in table or copy current subtree.

View File

@ -5997,6 +5997,53 @@ Paragraph<point>"
(org-show-set-visibility 'minimal)
(org-invisible-p2))))
(defun test-org/copy-visible ()
"Test `org-copy-visible' specifications."
(should
(equal "Foo"
(org-test-with-temp-text "Foo"
(let ((kill-ring nil))
(org-copy-visible (point-min) (point-max))
(current-kill 0 t)))))
;; Skip invisible characters by text property.
(should
(equal "Foo"
(org-test-with-temp-text #("F<hidden>oo" 1 7 (invisible t))
(let ((kill-ring nil))
(org-copy-visible (point-min) (point-max))
(current-kill 0 t)))))
;; Skip invisible characters by overlay.
(should
(equal "Foo"
(org-test-with-temp-text "F<hidden>oo"
(let ((o (make-overlay 2 10)))
(overlay-put o 'invisible t))
(let ((kill-ring nil))
(org-copy-visible (point-min) (point-max))
(current-kill 0 t)))))
;; Handle invisible characters at the beginning and the end of the
;; buffer.
(should
(equal "Foo"
(org-test-with-temp-text #("<hidden>Foo" 0 8 (invisible t))
(let ((kill-ring nil))
(org-copy-visible (point-min) (point-max))
(current-kill 0 t)))))
(should
(equal "Foo"
(org-test-with-temp-text #("Foo<hidden>" 3 11 (invisible t))
(let ((kill-ring nil))
(org-copy-visible (point-min) (point-max))
(current-kill 0 t)))))
;; Handle multiple visible parts.
(should
(equal "abc"
(org-test-with-temp-text
#("aXbXc" 1 2 (invisible t) 3 4 (invisible t))
(let ((kill-ring nil))
(org-copy-visible (point-min) (point-max))
(current-kill 0 t))))))
(provide 'test-org)