+(defun pelican-mode-set-field-org-mode (field value)
+ "Set Org global metadata FIELD to VALUE."
+ ;; None of org-mode’s functions I can find for setting properties
+ ;; operate on the global list, only a single property drawer.
+ (setq field (upcase field))
+ (setq field
+ (format (if (member field '("TITLE" "DATE" "CATEGORY" "AUTHOR"))
+ "#+%s:"
+ "#+PROPERTY: %s")
+ field))
+ (let ((text (when value (format "%s %s\n" field value))))
+ (if (re-search-forward (format "^%s .*\n" (regexp-quote field)) nil t)
+ (replace-match (or text ""))
+ (when text
+ (if (re-search-forward "^$" nil t)
+ (replace-match text)
+ (insert text))))))
+
+(defun pelican-mode-page-p ()
+ "Return non-nil the current buffer is a Pelican page."
+ (string-match-p
+ "^[^/]+/pages/"
+ (file-relative-name
+ (abbreviate-file-name (or (buffer-file-name) (buffer-name)))
+ (pelican-mode-find-root))))
+
+(defun pelican-mode-default-slug ()
+ "Generate a Pelican slug for the current buffer."
+ (file-name-sans-extension
+ (replace-regexp-in-string
+ "^[^/]+/\\(?:pages/\\)?" ""
+ (file-relative-name
+ (abbreviate-file-name (or (buffer-file-name) (buffer-name)))
+ (pelican-mode-find-root)))))
+
+(defun pelican-mode-find-root ()
+ "Return the root of the buffer’s Pelican site, or nil."
+ (locate-dominating-file default-directory "pelicanconf.py"))