;;; Code:
+(require 'seq)
(require 'subr-x)
+
(defun pelican-timestamp (&optional time)
"Generate a Pelican-compatible timestamp for TIME."
(format-time-string "%Y-%m-%d %H:%M" time))
-(defun pelican-is-markdown ()
- "Check if the buffer is likely using Markdown."
- (derived-mode-p 'markdown-mode))
-
(defun pelican-field (name value)
- "Format a line for a field NAME with a VALUE."
+ "Format a line for a field NAME with a VALUE.
+
+NAME may be a string or a symbol; if it is a symbol, the
+symbol name is used (removing a leading ':' if present).
+
+VALUE may be any value; except for the following special values,
+the unquoted printed representation of it is used:
+
+- `now' means the current time; see `pelican-timestamp'.
+
+- `slug' means the file's path relative to the document root sans
+ extension; see `pelican-default-slug'.
+
+- nil means return an empty string, without any name or value."
+ (setq value (pcase value
+ ('now (pelican-timestamp))
+ ('slug (pelican-default-slug))
+ (_ value)))
+ (when (symbolp name)
+ (setq name (string-remove-prefix ":" (symbol-name name))))
(if value
(cond ((derived-mode-p 'markdown-mode)
(format "%s: %s\n" (capitalize name) value))
(pelican-rst-title title))
(t (error "Unsupported major mode %S" major-mode))))
-(defun pelican-header (title date status category tags slug)
- "Create a Pelican header."
- ;; TODO: Use a property list (-> alist via seq-partition) instead.
- (when (eq date t)
- (setq date (pelican-timestamp)))
-
+(defun pelican-header (title &rest fields)
+ "Generate a Pelican header for a post with a TITLE and metadata FIELDS."
(concat (pelican-title title)
- (pelican-field "date" date)
- (pelican-field "status" status)
- (pelican-field "tags" tags)
- (pelican-field "category" category)
- (pelican-field "slug" slug)
+ (mapconcat (apply-partially #'apply #'pelican-field)
+ (seq-partition fields 2) "")
"\n"))
+(defun pelican-insert-header (title &rest fields)
+ "Insert a Pelican header for a post with a TITLE and metadata FIELDS."
+ (save-excursion
+ (goto-char 0)
+ (insert (apply #'pelican-header (cons title fields)))))
+
(defun pelican-insert-draft-post-header (title tags)
- "Insert a Pelican header for a draft post."
+ "Insert a Pelican header for a draft with a TITLE and TAGS."
(interactive "sPost title: \nsTags: ")
- (let ((slug (pelican-default-slug)))
- (save-excursion
- (goto-char 0)
- (insert (pelican-header title 't "draft" nil tags slug)))))
-
-(defun pelican-insert-page-header (title hidden)
- "Insert a Pelican header for a page."
+ (save-excursion
+ (goto-char 0)
+ (insert (pelican-header title
+ :date 'now
+ :status "draft"
+ :tags tags
+ :slug 'slug))))
+
+(defun pelican-insert-page-header (title &optional hidden)
+ "Insert a Pelican header for a page with a TITLE, potentially HIDDEN."
(interactive
(list (read-string "Page title: ")
(y-or-n-p "Hidden? ")))
- (let ((slug (pelican-default-slug))
- (hidden (if hidden "hidden" nil)))
- (save-excursion
- (goto-char 0)
- (insert (pelican-header title nil hidden nil nil slug)))))
+ (save-excursion
+ (goto-char 0)
+ (insert (pelican-header title
+ :status (when hidden "hidden")
+ :slug 'slug))))
-(defun pelican-insert-header ()
+(defun pelican-insert-auto-header ()
"Insert a Pelican header for a page or post."
(interactive)
(call-interactively (if (pelican-is-page)
(defun pelican-set-title (title)
"Set the title to TITLE."
(interactive "sTitle: ")
- (if (pelican-is-markdown)
+ (if (derived-mode-p 'markdown-mode)
(pelican-set-field "title" title)
(save-excursion
(goto-char 0)
(defun pelican-make (target)
"Execute TARGET in a Makefile at the root of the site."
(interactive "sMake Pelican target: ")
- (if-let ((default-directory (pelican-find-root)))
- (let ((output (get-buffer-create "*Pelican Output*")))
- (display-buffer output)
- (pop-to-buffer output)
- (compilation-mode)
- (start-process "Pelican Makefile" output "make" target))
+ (if-let (default-directory (pelican-find-root))
+ (compilation-start (format "make %s" target)
+ nil (lambda (_) "*pelican*"))
(message "This doesn't look like a Pelican site.")))
(defun pelican-make-html ()
(defconst pelican-keymap (make-sparse-keymap)
"The default keymap used in Pelican mode.")
(define-key pelican-keymap (kbd "C-c P n")
- 'pelican-insert-header)
+ 'pelican-insert-auto-header)
(define-key pelican-keymap (kbd "C-c P p")
'pelican-publish-draft)
(define-key pelican-keymap (kbd "C-c P t")