[emacs] Adding yolo.el

1 files changed, 73 insertions, 0 deletions

diff --git a/emacs/.emacs.d/lisp/my/yolo.el b/emacs/.emacs.d/lisp/my/yolo.el
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+;;; yolo.el -- Serving emacs, no security -*- lexical-binding: t -*-
+
+;; Copyright (C) 2023  Free Software Foundation, Inc.
+
+;; Author: Yuchen Pei <id@ypei.org>
+;; Package-Requires: ((emacs "28.2"))
+
+;; This file is part of dotted.
+
+;; dotted is free software: you can redistribute it and/or modify it under
+;; the terms of the GNU Affero General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; dotted is distributed in the hope that it will be useful, but WITHOUT
+;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+;; or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General
+;; Public License for more details.
+
+;; You should have received a copy of the GNU Affero General Public
+;; License along with dotted.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; Serving emacs, no security.
+;; usage: eval
+;; (yolo-start)
+;; open your browser, the following displays the emacs splash screen
+;; localhost:9999
+
+;;; Code:
+
+(require 'web-server)
+
+(defvar yolo-server nil "The yolo server object.")
+
+(defvar yolo-port 9999 "The yolo port.")
+
+(defun yolo-serve (buffer)
+  "Serve buffer with htmlize."
+  (setq buffer (substring (url-unhex-string buffer) 1))
+  (when (string-empty-p buffer)
+    (setq buffer "*GNU Emacs*")
+    ;; (let (buffers (buffer-list))
+    ;;   (with-current-buffer (htmlize-buffer
+    ;;                         (nth (random (length buffers)) buffers))
+    ;;     (buffer-string)))
+    )
+  ;; todo: kill the htmlized buffer!
+  (with-current-buffer (htmlize-buffer buffer)
+    (buffer-string)))
+
+;;;###autoload
+(defun yolo-start ()
+  "Start serving emacs."
+  (when yolo-server (yolo-stop))
+  (setq yolo-server
+        (ws-start
+         (lambda (request)
+           (with-slots (process headers) request
+             (ws-response-header process 200 '("Content-type" . "text/html"))
+             (process-send-string
+              process
+              (yolo-serve (alist-get :GET headers))
+              )))
+         yolo-port)))
+
+(defun yolo-stop ()
+  "Stop serving emacs."
+  (ws-stop yolo-server))
+
+(provide 'yolo)
+;;; yolo.el ends here