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Signed by: yogsototh GPG Key ID: 7B19A4C650D59646
  1. 103
      org-auto-id.el

103
org-auto-id.el

@ -23,65 +23,64 @@
(require 'org)
(with-eval-after-load 'org
(defvar org-auto-id--all-ids '()
"List as set of all ids of the current org-file")
(defun org-auto-id-format (title)
"Generate a new org-id using TITLE."
(concat (downcase (replace-regexp-in-string "\\W" "-" title))))
(defun org-auto-id-add-id (id &optional new?)
"Add the id to the set of existing ids, warn if not a generation of new id."
(if (member id org-auto-id--all-ids)
(progn (unless new?
(message "Duplicate CUSTOM_ID found: %s" id))
(org-auto-id-add-id (format "%s-%04x" id (random (expt 16 4))) new?))
(progn
(add-to-list 'org-auto-id--all-ids id)
id)))
(defun org-auto-id-custom-id-get (&optional pom create)
"Get the CUSTOM_ID property of the entry at point-or-marker POM.
(defvar org-auto-id--all-ids '()
"List as set of all ids of the current org-file")
(defun org-auto-id-format (title)
"Generate a new org-id using TITLE."
(concat (downcase (replace-regexp-in-string "\\W" "-" title))))
(defun org-auto-id-add-id (id &optional new?)
"Add the id to the set of existing ids, warn if not a generation of new id."
(if (member id org-auto-id--all-ids)
(progn (unless new?
(message "Duplicate CUSTOM_ID found: %s" id))
(org-auto-id-add-id (format "%s-%04x" id (random (expt 16 4))) new?))
(progn
(add-to-list 'org-auto-id--all-ids id)
id)))
(defun org-auto-id-custom-id-get (&optional pom create)
"Get the CUSTOM_ID property of the entry at point-or-marker POM.
If POM is nil, refer to the entry at point.
If the entry does not have an CUSTOM_ID, the function returns nil.
However, when CREATE is non nil, create a CUSTOM_ID if none is present already.
In any case, the CUSTOM_ID of the entry is returned."
(interactive)
(org-with-point-at pom
(let ((id (org-entry-get nil "CUSTOM_ID")))
(cond
((and id (stringp id) (string-match "\\S-" id))
(progn
(org-auto-id-add-id id)
id))
(create
(let ((id (org-auto-id-format (org-entry-get nil "ITEM"))))
(let ((new-id (org-auto-id-add-id id t)))
(org-entry-put pom "CUSTOM_ID" new-id)
new-id)))))))
(defun org-auto-id-add-ids-to-headlines-in-file ()
"Add CUSTOM_ID properties to all headlines.
(interactive)
(org-with-point-at pom
(let ((id (org-entry-get nil "CUSTOM_ID")))
(cond
((and id (stringp id) (string-match "\\S-" id))
(progn
(org-auto-id-add-id id)
id))
(create
(let ((id (org-auto-id-format (org-entry-get nil "ITEM"))))
(let ((new-id (org-auto-id-add-id id t)))
(org-entry-put pom "CUSTOM_ID" new-id)
new-id)))))))
(defun org-auto-id-add-ids-to-headlines-in-file ()
"Add CUSTOM_ID properties to all headlines.
In the current file, all headlines which do not already have a CUSTOM_ID.
Only adds ids if the `auto-id' option is set to `t' in the file somewhere.
ie, #+OPTIONS: auto-id:t"
(interactive)
(save-excursion
(widen)
(goto-char (point-min))
(let ((add-suffix (re-search-forward "^#\\+OPTIONS:.* auto-id-add-suffix:t" (point-max) t)))
(when (re-search-forward "^#\\+OPTIONS:.* auto-id:t" (point-max) t)
(setq org-auto-id--all-ids '())
(org-map-entries (lambda () (org-auto-id-custom-id-get (point) 'create)))))))
(add-hook 'org-mode-hook
(lambda ()
(add-hook 'before-save-hook
(lambda ()
(when (and (eq major-mode 'org-mode)
(eq buffer-read-only nil))
(org-auto-id-add-ids-to-headlines-in-file)))))))
(interactive)
(save-excursion
(widen)
(goto-char (point-min))
(let ((add-suffix (re-search-forward "^#\\+OPTIONS:.* auto-id-add-suffix:t" (point-max) t)))
(when (re-search-forward "^#\\+OPTIONS:.* auto-id:t" (point-max) t)
(setq org-auto-id--all-ids '())
(org-map-entries (lambda () (org-auto-id-custom-id-get (point) 'create)))))))
(add-hook 'org-mode-hook
(lambda ()
(add-hook 'before-save-hook
(lambda ()
(when (and (eq major-mode 'org-mode)
(eq buffer-read-only nil))
(org-auto-id-add-ids-to-headlines-in-file))))))
(provide 'org-auto-id)

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