diff --git a/blog/blogpost1.md4tj b/blog/blogpost1.md4tj new file mode 100644 index 0000000..cf8f81e --- /dev/null +++ b/blog/blogpost1.md4tj @@ -0,0 +1,6 @@ +@@TITLE Blog post 1 + +@@BLOGPOSTTITLE Blog Post 1 +@@BLOGPOSTDATE 1677804254 +# Blog post 1 +blog text 1! \ No newline at end of file diff --git a/blog/blogpost2.md4tj b/blog/blogpost2.md4tj new file mode 100644 index 0000000..0879c84 --- /dev/null +++ b/blog/blogpost2.md4tj @@ -0,0 +1,6 @@ +@@TITLE Blog post 2 + +@@BLOGPOSTTITLE Blog Post 2 +@@BLOGPOSTDATE 1677804290 +# Blog post 2 +blog text 2 text! \ No newline at end of file diff --git a/md4tj-blog.el b/md4tj-blog.el new file mode 100644 index 0000000..ba3c8be --- /dev/null +++ b/md4tj-blog.el @@ -0,0 +1,100 @@ +;;; md4tj --- Summary + +;;; Commentary: + +;;; Code: + +(require 'cl-lib) +;(load "./md4tj-util.el") + +(defun md4tj-blog-enabled () + "Determine if the current buffer corresponds to a blog." + (save-excursion + (goto-char (point-min)) + (not (not (search-forward-regexp "^@@BLOGENABLE" (point-max) t))))) + +(defun md4tj-blog-base-url () + "Find base URL of blog." + (save-excursion + (goto-char (point-min)) + (if (search-forward-regexp "^@@BLOGBASEURL" (point-max) t) + (replace-regexp-in-string "^@@BLOGBASEURL[ \\\t]+" "" (md4tj-util-getline)) + nil))) + +(defun md4tj-blog-base-dir () + "Find base directory of blog." + (save-excursion + (goto-char (point-min)) + (if (search-forward-regexp "^@@BLOGBASEDIR" (point-max) t) + (replace-regexp-in-string "^@@BLOGBASEDIR[ \\\t]+" "" (md4tj-util-getline)) + ""))) + +(defun md4tj-blog-names () + "Find all blogs on blog page." + (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"))))) + +(defun md4tj-blog-links () + "Get all links on the blog page." + (let ((base-url (md4tj-blog-base-url))) + (cl-map #'listp (lambda (s) (concat base-url s)) (md4tj-blog-names)))) + +(defun md4tj-blog-file (name) + "Get full filename from NAME." + (concat (md4tj-blog-base-dir) name ".md4tj")) + +(defun md4tj-blog-files () + "Get all blog .md4tj files." + (cl-map #'listp 'md4tj-blog-file (md4tj-blog-names))) + +(defun md4tj-blog-title (f) + "Get blog title from file F." + (with-temp-buffer + (insert-file-contents f) + (goto-char (point-min)) + (if (search-forward-regexp "^@@BLOGPOSTTITLE" (point-max) t) + (replace-regexp-in-string "^@@BLOGPOSTTITLE[ \t]+" "" (md4tj-util-getline)) + ""))) + +(defun md4tj-blog-titles () + "Get all blog titles in current file." + (cl-map #'listp 'md4tj-blog-title (md4tj-blog-files))) + +(defun md4tj-blog-time (f) + "Get blog time (unix time) from file F." + (with-temp-buffer + (insert-file-contents f) + (goto-char (point-min)) + (if (search-forward-regexp "^@@BLOGPOSTDATE" (point-max) t) + (replace-regexp-in-string "^@@BLOGPOSTDATE[ \t]+" "" (md4tj-util-getline)) + ""))) + +(defun md4tj-blog-times () + "Get all blog times in current file." + (cl-map #'listp 'md4tj-blog-time (md4tj-blog-files))) + + +;; triple of +;; Title +;; Time +;; Link +(defun md4tj-all-blogs-list () + "Get all blogs in current buffer." + (-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))))) + +(defun md4tj-all-blogs-list-elt-to-html (elt) + "Convert abl list elt ELT to html." + (concat "
" "\n" + "

" (nth 0 elt) "

" "\n" + "
" (format-time-string "%Y %B %d %H:%M" (string-to-number (nth 1 elt))) "
" "\n" + "
")) + +(defun md4tj-all-blogs-list-to-html (abl) + "Convert all blogs list ABL to html." + (mapconcat 'md4tj-all-blogs-list-elt-to-html (md4tj-all-blogs-list) "\n")) + + + + + +(provide 'md4tj-blog) +;;; md4tj-blog.el ends here diff --git a/md4tj-util.el b/md4tj-util.el new file mode 100644 index 0000000..f54c0d7 --- /dev/null +++ b/md4tj-util.el @@ -0,0 +1,36 @@ +;;; md4tj-util --- Summary + +;; A collection of useful utilities that can be used by anything +;; relating to md4tj +;;; Commentary: + +;;; Code: + +(require 'cl-lib) + +(defun md4tj-util-getline () + "Get current line from loaded buffer." + (buffer-substring-no-properties (line-beginning-position) (line-end-position))) + +(defun md4tj-util-clean-multiline (line) + "Clean LINE of markdown syntax for ul's, ol's and code's." + (replace-regexp-in-string + "^```" "" + (replace-regexp-in-string + "^[0-9]+\\. " "" + (replace-regexp-in-string "^- " "" line)))) + +(defun md4tj-util-escape-chars (line) + "Escape characters in LINE that would be misinterpreted by the browser." + (string-replace + "<" "<" + (string-replace ">" ">" line))) + +(defun md4tj-util-zip (ls) + "Turn list of lists LS into list of tuples." + (cl-labels ((zip-help (ll) (if (not (car ll)) nil (cons (cl-map 'listp #'car ll) (zip-help (cl-map 'listp 'cdr ll)))))) + (zip-help ls))) + + +(provide 'md4tj-util) +;;; md4tj-util.el ends here diff --git a/md4tj.el b/md4tj.el index 61ed320..f6b3161 100644 --- a/md4tj.el +++ b/md4tj.el @@ -5,10 +5,7 @@ ;;; Code: (require 'cl-lib) - -(defun getline () - "Get current line from loaded buffer." - (buffer-substring-no-properties (line-beginning-position) (line-end-position))) +;(load "md4tj-util.el") (defun md4tj-begin-tag (tag &optional attrs) "Return beginning html tag for TAG with optional ATTRS." @@ -67,24 +64,10 @@ (replace-regexp-in-string "`\\(.*\\)`" "\\1" line))))))))) - -(defun md4tj-clean-multiline (line) - "Clean LINE of markdown syntax for ul." - (replace-regexp-in-string - "^```" "" - (replace-regexp-in-string - "^[0-9]+\\. " "" - (replace-regexp-in-string "^- " "" line)))) - -(defun md4tj-clean-code-for-html (line) - "Escape characters in LINE that would be misinterpreted by the browser." - (string-replace - "<" "<" - (string-replace ">" ">" line))) (defun md4tj-convert-line-to-html (line state) "Process LINE with STATE and return html." - (let ((cleanline (md4tj-clean-multiline line))) + (let ((cleanline (md4tj-util-clean-multiline line))) ;; If this is a signal to include another file (cond ((string-match "^@@INCLUDE" line) (md4tj-parse-to-string (nth 1 (split-string line)))) ((string-match "^@@LASTUPDATED" line) (concat @@ -115,7 +98,7 @@ (mapconcat #'md4tj-state-to-html state "\n") ;; Body - (cond ((or (eq (nth 1 state) 'code) (eq (nth 1 state) 'begincode)) (md4tj-clean-code-for-html cleanline)) + (cond ((or (eq (nth 1 state) 'code) (eq (nth 1 state) 'begincode)) (md4tj-util-escape-chars cleanline)) ((string-match "^#+ " cleanline) (md4tj-process-header (md4tj-process-line cleanline))) ((string= "---" cleanline) "
") ;; horizontal line ((= (length cleanline) 0) "
") ;; blank line @@ -185,7 +168,7 @@ (let ((meta-list nil)) (goto-char (point-min)) (while (re-search-forward "^@@" nil t) - (setq meta-list (cons (split-string (getline)) meta-list))) + (setq meta-list (cons (split-string (md4tj-util-getline)) meta-list))) meta-list))) (defun md4tj-list-to-tuple-list (list) @@ -226,7 +209,7 @@ (insert (with-current-buffer inbuf (md4tj-head))) (insert (md4tj-begin-tag "body")) (while (with-current-buffer inbuf (< (point) (point-max))) - (setq line (with-current-buffer inbuf (getline))) + (setq line (with-current-buffer inbuf (md4tj-util-getline))) (setq fullstate (md4tj-next-state line (nth 1 fullstate))) ;; Insert next line(s) into output file (insert (concat (md4tj-convert-line-to-html line fullstate) "\n")) @@ -245,7 +228,7 @@ (insert-file-contents mdfile) (goto-char (point-min)) (while (< (point) (point-max)) - (setq line (getline)) + (setq line (md4tj-util-getline)) (setq fullstate (md4tj-next-state line (nth 1 fullstate))) (setq acc (concat acc (md4tj-convert-line-to-html line fullstate) "\n")) (forward-line)) diff --git a/test_blog.md4tj b/test_blog.md4tj new file mode 100644 index 0000000..3709573 --- /dev/null +++ b/test_blog.md4tj @@ -0,0 +1,17 @@ +@@RSSENABLE +@@RSSCHANNELtitle RSS Test +@@RSSCHANNELlink http://example.com +@@RSSCHANNELdescription An example blog for testing RSS capability of md4tj. +@@RSSCHANNELlanguage en-US +@@RSSCHANNELpubDate Tue, 10 Jun 2003 04:00:00 GMT +@@RSSCHANNELlastBuildDate Tue, 10 Jun 2003 04:00:00 GMT +@@RSSCHANNELdocs https://www.rssboard.org/rss-specification +@@RSSCHANNELmanagingEditor editor@example.com +@@RSSCHANNELwebMaster webmaster@example.com + +@@BLOGENABLE +@@BLOGBASEURL ./blog/ +@@BLOGBASEDIR ./blog/ + +@@BLOGPOST blogpost1 +@@BLOGPOST blogpost2 \ No newline at end of file