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| author | Colin Okay <cbeok@protonmail.com> | 2020-04-26 20:20:59 -0500 |
|---|---|---|
| committer | Colin Okay <cbeok@protonmail.com> | 2020-04-26 20:20:59 -0500 |
| commit | 36903029ac18d779ea4d56021ff644ee1d75f787 (patch) | |
| tree | 3784a5f56900f9eac6daf91d858fa973dc710c5d | |
| parent | 14fa3a1101e5b6df7ff7986a7d93e9ff41421bea (diff) | |
org mode toc gen for github
| -rw-r--r-- | examples/org-mode-toc.lisp | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/examples/org-mode-toc.lisp b/examples/org-mode-toc.lisp index d88822e..37b341c 100644 --- a/examples/org-mode-toc.lisp +++ b/examples/org-mode-toc.lisp @@ -16,11 +16,36 @@ "Accepts a valid Org Mode heading and results in an org mode list item with a link to that heading.") -(defun print-toc-for (file &optional (output *standard-output*)) +(<<def <gitnub-toc-line< + (labels ((make-href-text (chars) + (string-downcase + (concatenate 'string (loop :for char :in chars + :when (alphanumericp char) + :collect char + :when (eql #\Space char) + :collect #\-)))) + (format-entry (depth) + (lambda (matched) + (let ((anchor-text (concatenate 'string matched)) + (href-text (make-href-text matched)) + (indent (make-string (* 2 (1- depth)) :initial-element #\Space))) + (format nil "~a- [[#~a][~a]]" + indent + href-text + anchor-text))))) + (<<bind (<<counting+ (<<char #\*)) + (lambda (depth) + (<<map (format-entry depth) + (<<and <whitespace+< (<<+ <item<))))))) + +(defun print-toc-for (file &key (output *standard-output*) for-github) "Prints a table of contents for a given org file to the supplied stream." (with-open-file (input file) (loop :for line = (read-line input nil nil) :while line - :do (multiple-value-bind (entry success-p) (parse line <toc-line< t) + :do (multiple-value-bind (entry success-p) + (parse line + (if for-github <gitnub-toc-line< <toc-line<) + t) (when success-p (format output "~a~%" entry)))))) |