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Thanks @ryjm for the initial work
This commit is contained in:
Jethro Kuan 2020-02-03 00:17:17 +08:00
parent 45b1fe7326
commit 4ab3c7d314
1 changed files with 47 additions and 36 deletions
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83
org-roam.el
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@ -6,6 +6,7 @@
;;; Code:
(require 'deft)
(require 'async)
(require 'subr-x)
(defgroup org-roam nil
"Roam Research replica in Org-mode."
@ -108,38 +109,47 @@ Valid states are 'visible, 'exists and 'none."
(require 'org)
(require 'org-element)
,(async-inject-variables "org-roam-")
(let ((backlinks (make-hash-table :test #'equal))
(org-roam-parse-content (lambda (file)
(with-temp-buffer
(insert-file-contents file)
(with-current-buffer (current-buffer)
(org-element-map (org-element-parse-buffer) 'link
(lambda (link)
(let ((type (org-element-property :type link))
(path (org-element-property :path link)))
(when (and (string= type "file")
(string= (file-name-extension path) "org"))
path)))))))))
(let ((backlinks (make-hash-table :test #'equal)))
(mapcar (lambda (file)
(let (paths (org-roam-parse-content file))
(mapcar (lambda (link)
(let* ((item (gethash link backlinks))
(updated (if item
(if (member (file-name-nondirectory
file) item)
item
(cons (file-name-nondirectory
file) item))
(list (file-name-nondirectory
file)))))
(puthash link updated backlinks)))
paths)))
(let ((items (with-temp-buffer
(insert-file-contents file)
(with-current-buffer (current-buffer)
(org-element-map (org-element-parse-buffer) 'link
(lambda (link)
(let ((type (org-element-property :type link))
(path (org-element-property :path link))
(start (org-element-property :begin link)))
(when (and (string= type "file")
(string= (file-name-extension path) "org"))
(goto-char start)
(let* ((element (org-element-at-point))
(content (buffer-substring
(or (org-element-property :content-begin element)
(org-element-property :begin element))
(or (org-element-property :content-end element)
(org-element-property :end element)))))
(list path (string-trim content)))))))))))
(mapcar (lambda (item)
(let* ((path (car item))
(content (cdr item))
(relative-file (file-name-nondirectory file))
(contents-hash (gethash path backlinks)))
(if contents-hash
(if-let ((contents-list (gethash relative-file contents-hash)))
(let ((updated (cons content contents-list)))
(puthash relative-file updated contents-hash)
(puthash path contents-hash backlinks))
(puthash relative-file (list content) contents-hash)
(puthash path contents-hash backlinks))
(let ((contents-hash (make-hash-table :test #'equal)))
(puthash relative-file (list content) contents-hash)
(puthash path contents-hash backlinks)))))
items)))
org-roam-files)
(prin1-to-string backlinks)))
(lambda (backlinks)
(setq org-roam-hash-backlinks (car (read-from-string
backlinks)))
(message "Org-roam backlinks built!"))))
backlinks))))))
(defun org-roam-new-file-named (slug)
"Create a new file named `SLUG'.
@ -168,9 +178,12 @@ Valid states are 'visible, 'exists and 'none."
(make-local-variable 'org-return-follows-link)
(setq org-return-follows-link t)
(insert (format "Backlinks for %s:\n\n" file))
(mapcar (lambda (link)
(insert (format "- [[file:%s][%s]]\n" (expand-file-name link org-roam-directory) link))
) backlinks)
(when backlinks
(maphash (lambda (link contents)
(insert (format "* [[file:%s][%s]]\n" (expand-file-name link org-roam-directory) link))
(dolist (content contents)
(insert (format "\n\n%s\n\n" content))))
backlinks))
(read-only-mode +1))))
(setq org-roam-current-file file))
@ -209,12 +222,10 @@ This needs to be quick/infrequent, because this is run at
that are amongst deft files, and `org-roam' not already
displaying information for the correct file."
(interactive)
(while-no-input
(redisplay)
(when (and (eq major-mode 'org-mode)
(not (string= org-roam-current-file (buffer-file-name (current-buffer))))
(member (buffer-file-name (current-buffer)) (deft-find-all-files)))
(org-roam-update (file-name-nondirectory (buffer-file-name (current-buffer)))))))
(when (and (eq major-mode 'org-mode)
(not (string= org-roam-current-file (buffer-file-name (current-buffer))))
(member (buffer-file-name (current-buffer)) (deft-find-all-files)))
(org-roam-update (file-name-nondirectory (buffer-file-name (current-buffer))))))
(provide 'org-roam)