;;; blog.el --- A simple org-mode & elnode blog software. ;;; -*- lexical-binding: t; -*- (require 'elnode) (require 'f) (defun render-org-buffer (buffer &optional force) "Renders an org-mode buffer as HTML and returns the name of the output buffer." (letrec ((input-buffer (get-buffer buffer)) (output-buffer (concat buffer "-rendered")) ;; Don't re-render articles unless forced. (must-render (or force (not (get-buffer output-buffer))))) (if (and input-buffer must-render) (with-current-buffer input-buffer (org-export-to-buffer 'html output-buffer nil nil t))) (if input-buffer output-buffer nil))) (defun get-buffer-string (buffer) "Returns the contents of the specified buffer as a string." (with-current-buffer (get-buffer buffer) (buffer-string))) (defvar-local article-not-found '(404 . "

Oh no, the article was not found.

")) (defvar-local text-html '("Content-Type" . "text/html")) (defun render-article (article) "Renders an article, if it exists." (let ((output-buffer (render-org-buffer (concat article ".org")))) (if output-buffer `(200 . ,(get-buffer-string output-buffer)) article-not-found))) (defun blog-post-handler (httpcon) "This handler servers a blog post from the configured blog post directory." (let ((response (render-article (elnode-http-mapping httpcon 1)))) (elnode-http-start httpcon (car response) text-html) (elnode-http-return httpcon (cdr response)))) (defvar-local elblog-routes '(("^.*//en/\\(.*\\)" . blog-post-handler))) (defun elblog-handler (httpcon) (elnode-hostpath-dispatcher httpcon elblog-routes)) (defun start-elblog () (interactive) (elnode-start 'elblog-handler :port 8010 :host "localhost")) (defun stop-elblog () (interactive) (elnode-stop 8010))