coleslaw/plugins/mathjax.lisp
2012-09-15 17:39:00 -04:00

29 lines
908 B
Common Lisp

(defpackage :coleslaw-mathjax
(:use :cl)
(:import-from :coleslaw #:add-injection
#:post
#:index
#:post-tags
#:index-posts))
(in-package :coleslaw-mathjax)
(defvar *mathjax-header* "<script type=\"text/x-mathjax-config\">
MathJax.Hub.Config({
tex2jax: {
inlineMath: [['$$','$$']]
}
});
</script>
<script type=\"text/javascript\"
src=\"http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML\">
</script>")
(defun enable ()
(labels ((math-post-p (post)
(member "math" (post-tags post) :test #'string=))
(mathjax-p (content)
(etypecase content
(post (math-post-p content))
(index (some #'math-post-p (index-posts content))))))
(add-injection (list *mathjax-header* #'mathjax-p) :head)))