Added support for meta commands for header
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@ -73,31 +73,32 @@
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(defun md4tj-convert-line-to-html (line state)
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"Process LINE with STATE and return html."
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(let ((cleanline (md4tj-clean-multiline line)))
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(concat
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;; Beginning of multiline block
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(cond ((eq state 'beginul) "<ul>\n<li>")
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((eq state 'beginol) "<ol>\n<li>")
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((eq state 'begincode) "<pre>\n<code>")
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((eq state 'ul) "<li>")
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((eq state 'ol) "<li>")
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((eq state 'code) "")
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((eq state 'endul) "</ul>\n")
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((eq state 'endol) "</ol>\n")
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((eq state 'endcode) "</code>\n</pre>\n")
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(t ""))
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(if (string-match "^@@" line) "" ;; Don't process if @@ statement
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(concat
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;; Beginning of multiline block
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(cond ((eq state 'beginul) "<ul>\n<li>")
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((eq state 'beginol) "<ol>\n<li>")
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((eq state 'begincode) "<pre>\n<code>")
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((eq state 'ul) "<li>")
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((eq state 'ol) "<li>")
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((eq state 'code) "")
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((eq state 'endul) "</ul>\n")
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((eq state 'endol) "</ol>\n")
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((eq state 'endcode) "</code>\n</pre>\n")
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(t ""))
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;; Body
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(cond ((or (eq state 'code) (eq state 'begincode)) (md4tj-clean-code-for-html cleanline))
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((string-match "^#+ " cleanline) (md4tj-process-header (md4tj-process-line cleanline)))
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((string= "---" cleanline) "<hr>") ;; horizontal line
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((= (length cleanline) 0) "<br/>") ;; blank line
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(t (md4tj-process-paragraph (md4tj-process-line cleanline))))
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;; Body
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(cond ((or (eq state 'code) (eq state 'begincode)) (md4tj-clean-code-for-html cleanline))
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((string-match "^#+ " cleanline) (md4tj-process-header (md4tj-process-line cleanline)))
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((string= "---" cleanline) "<hr>") ;; horizontal line
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((= (length cleanline) 0) "<br/>") ;; blank line
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(t (md4tj-process-paragraph (md4tj-process-line cleanline))))
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;; End of multiline block
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(cond ((or (eq state 'ul) (eq state 'beginul)) "</li>")
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((or (eq state 'ol) (eq state 'beginol)) "</li>")
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((eq state 'code) "")
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(t "")))))
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;; End of multiline block
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(cond ((or (eq state 'ul) (eq state 'beginul)) "</li>")
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((or (eq state 'ol) (eq state 'beginol)) "</li>")
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((eq state 'code) "")
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(t ""))))))
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(defun md4tj-next-state (currline prevstate)
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"Return the state based on CURRLINE and PREVSTATE."
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@ -112,6 +113,11 @@
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((and (string-match "```$" currline) (or (eq prevstate 'code) (eq prevstate 'begincode))) 'endcode)
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(t 'normal)))
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(defun md4tj-begin ()
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"Insert beginning code for all html."
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(concat "<!DOCTYPE html>\n"
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(md4tj-begin-tag "html" (list (list "lang" "en-us"))) "\n"))
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(defun md4tj-finalize (state)
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"Finalizes HTML document by inserting missing end tags based on STATE."
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(concat
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@ -122,6 +128,37 @@
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"</body>\n"
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"</html>"))
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(defun md4tj-find-metas ()
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"Return all lines starting with @@ as list of split strings."
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(save-excursion
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(let ((meta-list nil))
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(goto-char (point-min))
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(while (re-search-forward "^@@" nil t)
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(setq meta-list (cons (split-string (getline)) meta-list)))
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meta-list)))
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(defun md4tj-list-to-tuple-list (list)
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"Convert LIST to tuple list."
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(let ((tuples nil))
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(dolist (i (number-sequence 0 (- (length list) 1) 2))
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(setq tuples (cons (cons (nth i list) (list (nth (+ i 1) list))) tuples)))
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(reverse tuples)))
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(defun md4tj-meta-to-html (meta)
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"Convert META to html."
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(cond ((string= (nth 0 meta) "@@TITLE")
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(concat "<title>" (mapconcat 'identity (cdr meta) " ") "</title>\n"))
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((string= (nth 0 meta) "@@META")
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(concat (md4tj-begin-tag "meta" (md4tj-list-to-tuple-list (cdr meta)))))))
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(defun md4tj-head ()
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"Return text for head element on current buffer."
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(concat
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(md4tj-begin-tag "head") "\n"
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(mapconcat 'md4tj-meta-to-html (md4tj-find-metas) "\n")
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"\n"
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(md4tj-end-tag "head") "\n"))
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(defun md4tj-parse (mdfile outfile)
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"Entry point to parse MDFILE and output to OUTFILE."
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(let ((inbuf (generate-new-buffer " in"))
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@ -132,7 +169,9 @@
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(insert-file-contents mdfile)
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(goto-char (point-min))
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(set-buffer outbuf)
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(insert "<body>\n")
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(insert (md4tj-begin))
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(insert (with-current-buffer inbuf (md4tj-head)))
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(insert (md4tj-begin-tag "body"))
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(while (with-current-buffer inbuf (< (point) (point-max)))
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(setq line (with-current-buffer inbuf (getline)))
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(setq state (md4tj-next-state line state))
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@ -1,4 +1,14 @@
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<!DOCTYPE html>
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<html lang="en-us">
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<head>
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<title>Test webpage</title>
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<meta name="viewport" content="width=device-width,initial-scale=1.0">
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<meta charset="UTF-8">
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</head>
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<body>
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<h1>Hello <code>world</code>!</h1>
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<h2>Hello world!</h2>
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<h3>Hello world!</h3>
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@ -1,3 +1,6 @@
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@@META charset UTF-8
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@@META name viewport content width=device-width,initial-scale=1.0
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@@TITLE Test webpage
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# Hello `world`!
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## Hello world!
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### Hello world!
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