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[elpa] externals/org 5d2ccda: ol-w3m: handle w3m-image link information
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ELPA Syncer |
Subject: |
[elpa] externals/org 5d2ccda: ol-w3m: handle w3m-image link information |
Date: |
Sat, 8 May 2021 07:57:11 -0400 (EDT) |
branch: externals/org
commit 5d2ccdae7fc976a95421153afa1c801f40e6cdd5
Author: Boruch Baum <boruch_baum@gmx.com>
Commit: Nicholas Savage <nick@nicksavage.ca>
ol-w3m: handle w3m-image link information
* ol-w3m.el (org-w3m-copy-for-org-mode)
(org-w3m-get-next-link-start, org-w3m-get-prev-link-start):
Account for w3m-img links.
(org-w3m-get-anchor-start, org-w3m-get-prev-link-start)
(org-w3m-no-prev-link-p): Unused function notes.
(org-w3m-get-image-end): New function, for w3m-img links.
Related to Emacs bug #47088.
---
lisp/ol-w3m.el | 105 ++++++++++++++++++++++++++++++++++++++-------------------
1 file changed, 71 insertions(+), 34 deletions(-)
diff --git a/lisp/ol-w3m.el b/lisp/ol-w3m.el
index ebb11ce..2738e01 100644
--- a/lisp/ol-w3m.el
+++ b/lisp/ol-w3m.el
@@ -82,26 +82,41 @@ so that it can be yanked into an Org buffer with links
working correctly."
(setq temp-position (point))
;; move to next anchor when current point is not at anchor
(or (get-text-property (point) 'w3m-href-anchor)
(org-w3m-get-next-link-start))
- (if (<= (point) transform-end) ; if point is inside transform bound
- (progn
- ;; get content between two links.
- (when (> (point) temp-position)
- (setq return-content (concat return-content
- (buffer-substring
- temp-position (point)))))
- ;; get link location at current point.
- (setq link-location (get-text-property (point) 'w3m-href-anchor))
- ;; get link title at current point.
- (setq link-title (buffer-substring (point)
- (org-w3m-get-anchor-end)))
- ;; concat Org style url to `return-content'.
- (setq return-content
- (concat return-content
- (if (org-string-nw-p link-location)
- (org-link-make-string link-location link-title)
- link-title))))
+ (cond
+ ((<= (point) transform-end) ; point is inside transform bound
+ ;; get content between two links.
+ (when (> (point) temp-position)
+ (setq return-content (concat return-content
+ (buffer-substring
+ temp-position (point)))))
+ (cond
+ ((setq link-location (get-text-property (point) 'w3m-href-anchor))
+ ;; current point is a link
+ ;; (we thus also got link location at current point)
+ ;; get link title at current point.
+ (setq link-title (buffer-substring (point)
+ (org-w3m-get-anchor-end)))
+ ;; concat Org style url to `return-content'.
+ (setq return-content
+ (concat return-content
+ (if (org-string-nw-p link-location)
+ (org-link-make-string link-location link-title)
+ link-title))))
+ ((setq link-location (get-text-property (point) 'w3m-image))
+ ;; current point is an image
+ ;; (we thus also got image link location at current point)
+ ;; get link title at current point.
+ (setq link-title (buffer-substring (point)
(org-w3m-get-image-end)))
+ ;; concat Org style url to `return-content'.
+ (setq return-content
+ (concat return-content
+ (if (org-string-nw-p link-location)
+ (org-link-make-string link-location link-title)
+ link-title))))
+ (t nil))); current point is neither a link nor an image
+ (t ; point is NOT inside transform bound
(goto-char temp-position) ; reset point before jump next anchor
- (setq out-bound t))) ; for break out `while' loop
+ (setq out-bound t)))) ; for break out `while' loop
;; add the rest until end of the region to be copied
(when (< (point) transform-end)
(setq return-content
@@ -114,6 +129,7 @@ so that it can be yanked into an Org buffer with links
working correctly."
(defun org-w3m-get-anchor-start ()
"Move cursor to the start of current anchor. Return point."
;; get start position of anchor or current point
+ ;; NOTE: This function seems never to be used. Should it be removed?
(goto-char (or (previous-single-property-change (point) 'w3m-anchor-sequence)
(point))))
@@ -123,26 +139,46 @@ so that it can be yanked into an Org buffer with links
working correctly."
(goto-char (or (next-single-property-change (point) 'w3m-anchor-sequence)
(point))))
+(defun org-w3m-get-image-end ()
+ "Move cursor to the end of current image. Return point."
+ ;; get end position of image or point
+ ;; NOTE: Function `org-w3m-get-image-start' was not created because
+ ;; function `org-w3m-get-anchor-start' is never used.
+ (goto-char (or (next-single-property-change (point) 'w3m-image)
+ (point))))
+
(defun org-w3m-get-next-link-start ()
- "Move cursor to the start of next link. Return point."
- (catch 'reach
- (while (next-single-property-change (point) 'w3m-anchor-sequence)
- ;; jump to next anchor
- (goto-char (next-single-property-change (point) 'w3m-anchor-sequence))
- (when (get-text-property (point) 'w3m-href-anchor)
- ;; return point when current is valid link
- (throw 'reach nil))))
- (point))
+ "Move cursor to the start of next link or image. Return point."
+ (let (pos start-pos anchor-pos image-pos)
+ (setq pos (setq start-pos (point)))
+ (setq anchor-pos
+ (catch 'reach
+ (while (setq pos (next-single-property-change pos
'w3m-anchor-sequence))
+ (when (get-text-property pos 'w3m-href-anchor)
+ (throw 'reach pos)))))
+ (setq pos start-pos)
+ (setq image-pos
+ (catch 'reach
+ (while (setq pos (next-single-property-change pos 'w3m-image))
+ (when (get-text-property pos 'w3m-image)
+ (throw 'reach pos)))))
+ (goto-char (min (or anchor-pos (point-max)) (or image-pos (point-max))))))
(defun org-w3m-get-prev-link-start ()
"Move cursor to the start of previous link. Return point."
+ ;; NOTE: This function is only called by `org-w3m-no-prev-link-p',
+ ;; which itself seems never to be used. Should it be removed?
+ ;;
+ ;; WARNING: This function has not been updated to account for
+ ;; `w3m-image'. See `org-w3m-get-next-link-start'.
(catch 'reach
- (while (previous-single-property-change (point) 'w3m-anchor-sequence)
- ;; jump to previous anchor
- (goto-char (previous-single-property-change (point)
'w3m-anchor-sequence))
- (when (get-text-property (point) 'w3m-href-anchor)
- ;; return point when current is valid link
- (throw 'reach nil))))
+ (let ((pos (point)))
+ (while (setq pos (previous-single-property-change pos
'w3m-anchor-sequence))
+ (when (get-text-property pos 'w3m-href-anchor)
+ ;; jump to previous anchor
+ (goto-char pos)
+ ;; return point when current is valid link
+ (throw 'reach nil)))))
(point))
(defun org-w3m-no-next-link-p ()
@@ -154,6 +190,7 @@ Return t if there is no next link; otherwise, return nil."
(defun org-w3m-no-prev-link-p ()
"Whether there is no previous link after the cursor.
Return t if there is no previous link; otherwise, return nil."
+ ;; NOTE: This function seems never to be used. Should it be removed?
(save-excursion
(equal (point) (org-w3m-get-prev-link-start))))
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