[emacs] Rewrite links in exported backlink content

This commit is contained in:
Correl Roush 2020-07-19 17:45:31 -04:00
parent 6ad0bfd7d0
commit 20f5a6f819

View file

@ -762,7 +762,23 @@ Load shared code snippets to be used in org documents.
Adapted from https://org-roam.readthedocs.io/en/master/org_export/.
#+begin_src emacs-lisp
(defun my/org-roam--rewrite-backlink-content-links (path content)
"Re-write the links in backlink CONTENT to be relative to PATH."
(with-temp-buffer
(insert content)
(org-mode)
(let ((ast (org-element-parse-buffer)))
(org-element-map ast 'link
(lambda (link)
(when (string= (org-element-property :type link) "file")
(org-element-put-property
link :path
(f-relative (org-element-property :path link)
path)))))
(org-no-properties (org-element-interpret-data ast)))))
(defun my/org-roam--backlinks-list-with-content (file)
"Generate a list of backlinks for FILE with content."
(when (and (stringp file) (f-file? file))
(with-temp-buffer
(cd (f-dirname file))
@ -777,12 +793,17 @@ Adapted from https://org-roam.readthedocs.io/en/master/org_export/.
(f-relative file-from (f-dirname file))
(org-roam--get-title-or-slug file-from)))
(dolist (backlink bls)
(pcase-let ((`(,file-from _ ,props) backlink))
(insert (s-trim (s-replace "\n" " " (plist-get props :content))))
(pcase-let* ((`(,file-from _ ,props) backlink)
(content (my/org-roam--rewrite-backlink-content-links
(f-dirname file)
(plist-get props :content))))
(insert (s-trim (s-replace "\n" " " content)))
(insert "\n\n")))))))
(buffer-string))))
(defun my/org-export-preprocessor (backend)
"Append org-roam backlinks with content when applicable before
passing to the org export BACKEND."
(let ((links (my/org-roam--backlinks-list-with-content (buffer-file-name))))
(unless (or (not (stringp links)) (string= links ""))
(save-excursion