101 lines
3.0 KiB
EmacsLisp
101 lines
3.0 KiB
EmacsLisp
;;; md4tj --- Summary
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;;; Commentary:
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;;; Code:
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(require 'cl-lib)
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;(load "./md4tj-util.el")
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(defun md4tj-blog-enabled ()
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"Determine if the current buffer corresponds to a blog."
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(save-excursion
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(goto-char (point-min))
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(not (not (search-forward-regexp "^@@BLOGENABLE" (point-max) t)))))
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(defun md4tj-blog-base-url ()
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"Find base URL of blog."
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(save-excursion
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(goto-char (point-min))
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(if (search-forward-regexp "^@@BLOGBASEURL" (point-max) t)
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(replace-regexp-in-string "^@@BLOGBASEURL[ \\\t]+" "" (md4tj-util-getline))
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nil)))
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(defun md4tj-blog-base-dir ()
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"Find base directory of blog."
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(save-excursion
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(goto-char (point-min))
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(if (search-forward-regexp "^@@BLOGBASEDIR" (point-max) t)
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(replace-regexp-in-string "^@@BLOGBASEDIR[ \\\t]+" "" (md4tj-util-getline))
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"")))
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(defun md4tj-blog-names ()
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"Find all blogs on blog page."
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(cl-map #'listp (lambda (l) (nth 1 l)) (cl-map #'listp 'split-string (cl-remove-if-not (lambda (s) (string-match "^@@BLOGPOST" s)) (split-string (buffer-string) "\n")))))
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(defun md4tj-blog-links ()
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"Get all links on the blog page."
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(let ((base-url (md4tj-blog-base-url)))
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(cl-map #'listp (lambda (s) (concat base-url s)) (md4tj-blog-names))))
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(defun md4tj-blog-file (name)
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"Get full filename from NAME."
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(concat (md4tj-blog-base-dir) name ".md4tj"))
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(defun md4tj-blog-files ()
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"Get all blog .md4tj files."
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(cl-map #'listp 'md4tj-blog-file (md4tj-blog-names)))
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(defun md4tj-blog-title (f)
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"Get blog title from file F."
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(with-temp-buffer
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(insert-file-contents f)
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(goto-char (point-min))
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(if (search-forward-regexp "^@@BLOGPOSTTITLE" (point-max) t)
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(replace-regexp-in-string "^@@BLOGPOSTTITLE[ \t]+" "" (md4tj-util-getline))
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"")))
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(defun md4tj-blog-titles ()
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"Get all blog titles in current file."
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(cl-map #'listp 'md4tj-blog-title (md4tj-blog-files)))
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(defun md4tj-blog-time (f)
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"Get blog time (unix time) from file F."
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(with-temp-buffer
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(insert-file-contents f)
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(goto-char (point-min))
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(if (search-forward-regexp "^@@BLOGPOSTDATE" (point-max) t)
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(replace-regexp-in-string "^@@BLOGPOSTDATE[ \t]+" "" (md4tj-util-getline))
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"")))
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(defun md4tj-blog-times ()
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"Get all blog times in current file."
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(cl-map #'listp 'md4tj-blog-time (md4tj-blog-files)))
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;; triple of
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;; Title
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;; Time
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;; Link
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(defun md4tj-all-blogs-list ()
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"Get all blogs in current buffer."
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(-sort (lambda (l1 l2) (< (string-to-number (nth 1 l1)) (string-to-number (nth 1 l2)))) (md4tj-util-zip (list (md4tj-blog-titles) (md4tj-blog-times) (md4tj-blog-links)))))
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(defun md4tj-all-blogs-list-elt-to-html (elt)
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"Convert abl list elt ELT to html."
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(concat "<div class=blogpost>" "\n"
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"<a href=\"" (nth 2 elt) "\"><h4>" (nth 0 elt) "</h4></a>" "\n"
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"<h5>" (format-time-string "%Y %B %d %H:%M" (string-to-number (nth 1 elt))) "</h5>" "\n"
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"</div>"))
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(defun md4tj-all-blogs-list-to-html (abl)
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"Convert all blogs list ABL to html."
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(mapconcat 'md4tj-all-blogs-list-elt-to-html (md4tj-all-blogs-list) "\n"))
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(provide 'md4tj-blog)
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;;; md4tj-blog.el ends here
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