-;;; lirc.el --- Lambdalabs irc client -*- lexical-binding:t -*-
+;;; lirc.el --- Lightweight irc client -*- lexical-binding:t -*-
;; Copyright (C) 2021 Tim Vaughan
;;; Code:
-(provide 'lerc)
+(provide 'lirc)
;;; Customizations
;;
(defcustom lirc-port 6667
"Default port.")
-(defcustom lirc-prompt-string "prompt> "
+(defcustom lirc-prompt-string "> "
"Prompt.")
;;; Faces
;;
(defface lirc-prompt
- '((t :inherit font-lock-string-face))
+ '((t :inherit org-level-2))
"Face used for the prompt.")
+(defface lirc-channel
+ '((t :inherit org-list-dt))
+ "Face used for the channel name in the prompt.")
+
;;; Global variables
;;
-(defvar lirc-current-channel nil)
-(defvar lirc-channel-list nil)
-
-(defvar lirc-response "")
-
;;; Network process
;;
+(defvar lirc-response "")
+
(defun lirc-filter (proc string)
(dolist (line (split-string (concat lirc-response string) "\n"))
(if (string-suffix-p "\r" line)
(rx
(opt (: "@" (group (* (not (or "\n" "\r" ";" " ")))))
(* whitespace))
- (opt (: ":" (group (* (not (or "\n" "\r" " ")))))
+ (opt (: ":" (: (group (* (not (any space "!" "@"))))
+ (* (not (any space)))))
(* whitespace))
(group (: (* (not whitespace))))
(* whitespace)
- (opt (group (+ not-newline)))))
+ (opt (group (+ not-newline))))
+ "Regex used to parse IRC messages.
+Note that this regex is incomplete. Noteably, we discard the non-nick
+portion of the source component of the message, as LIRC doesn't use this.")
(defun lirc-string->msg (string)
(if (string-match lirc-msg-regex string)
nil))))
+;;; Channels
+;;
+
+(defvar lirc-current-channel nil)
+(defvar lirc-channel-list nil)
+
+(defun lirc-add-channel (channel-name)
+ (add-to-list 'lirc-channel-list
+ (list channel-name)))
+
+(defun lirc-del-channel (channel-name)
+ (setq lirc-channel-list
+ (assoc-delete-all channel-name lirc-channel-list)))
+
+(defun lirc-get-channel-users (channel-name)
+ (cdr (assoc channel-name lirc-channel-list)))
+
+(defun lirc-set-channel-users (channel-name users)
+ (setcdr (assoc channel-name lirc-channel-list) users))
+
+(defun lirc-add-channel-users (channel-name &rest users)
+ (let ((current-users (lirc-channel-get-users channel-name)))
+ (lirc-channel-set-users channel-name (append users current-users))))
+
+(defun lirc-del-channel-users (channel-name &rest users)
+ (let ((current-users (lirc-get-channel-users channel-name)))
+ (lirc-channel-set-users channel-name
+ (cl-set-difference current-users users :test #'equal))))
+
+
;;; Buffer
;;
(with-current-buffer "*lirc*"
(set-marker-insertion-type lirc-prompt-marker nil)
(set-marker-insertion-type lirc-input-marker t)
- (let ((inhibit-read-only t))
- (delete-region lirc-prompt-marker lirc-input-marker))
(save-excursion
- (goto-char lirc-prompt-marker)
(let ((inhibit-read-only t))
- (insert (propertize lirc-prompt-string
- 'face 'lirc-prompt
- 'read-only t
- 'rear-nonsticky t))))
- (set-marker-insertion-type lirc-input-marker nil)))
+ (delete-region lirc-prompt-marker lirc-input-marker)
+ (goto-char lirc-prompt-marker)
+ (insert
+ (propertize (if lirc-current-channel
+ lirc-current-channel
+ "[no channel]")
+ 'face 'lirc-channel
+ 'read-only t)
+ (propertize lirc-prompt-string
+ 'face 'lirc-prompt
+ 'read-only t
+ 'rear-nonsticky t)))))
+ (set-marker-insertion-type lirc-input-marker nil))
(defvar lirc-prompt-marker nil
"Marker for prompt position in LIRC buffer.")
;;
(defun lirc-eval-msg-string (string)
+ (lirc-display-string string)
(let* ((msg (lirc-string->msg string)))
- (cond
- ((equal (lirc-msg-cmd msg) "PING")
- (lirc-send-msg
- (lirc-msg nil nil "PONG" (lirc-msg-params msg))))
- ((string-match (rx (= 3 digit)) (lirc-msg-cmd msg))
- (lirc-display-string (string-join (cdr (lirc-msg-params msg)) " ")))
- (t
- (lirc-display-string (lirc-msg->string msg))))))
+ (pcase (lirc-msg-cmd msg)
+ ("PING"
+ (lirc-send-msg
+ (lirc-msg nil nil "PONG" (lirc-msg-params msg))))
+ ;; ((rx (= 3 digit))
+ ;; (lirc-display-string (string-join (cdr (lirc-msg-params msg)) " ")))
+
+ ("353" ; NAMEREPLY
+ (let* ((params (lirc-msg-params msg))
+ (channel (elt params 2))
+ (names (split-string (elt params 3))))
+ (apply #'lirc-add-channel-users (cons channel names))))
+
+ ((and "JOIN"
+ (guard (equal lirc-nick (lirc-msg-src msg))))
+ (let ((channel (car (lirc-msg-params msg))))
+ (setq lirc-current-channel channel)
+ (lirc-add-channel channel)
+ (lirc-render-prompt)))
+
+ ("JOIN"
+ (let ((channel (car (lirc-msg-params msg)))
+ (nick (lirc-msg-src msg)))
+ (lirc-add-channel-users channel nick)))
+
+ ((and "PART"
+ (guard (equal lirc-nick (lirc-msg-src msg))))
+ (setq lirc-current-channel nil)
+ (lirc-del-channel (car (lirc-msg-params msg))))
+
+ ("PART"
+ (let ((channel (car (lirc-msg-params msg)))
+ (nick (lirc-msg-src msg)))
+ (lirc-del-channel-users channel nick)))
+
+ ((and "NICK"
+ (guard (equal lirc-nick (lirc-msg-src msg))))
+ (setq lirc-nick (car (lirc-msg-params msg)))
+ (lirc-display-string (concat "*** Set nick to " lirc-nick)))
+
+ ("PRIVMSG"
+ (let ((nick (lirc-msg-src msg))
+ (channel (car (lirc-msg-params msg)))
+ (text (cadr (lirc-msg-params msg))))
+ (lirc-display-string (concat channel " <" nick "> " text))))
+ (_
+ (lirc-display-string (lirc-msg->string msg))))))
;;; Command entering
;;
(defun lirc-enter-string (string)
- (cond ((string-prefix-p "/" string)
- (let ((cmd-str (substring string 1)))
- (lirc-send-msg (lirc-msg nil nil cmd-str))))
- (t
- (error "Unknown command" string))))
+ (if (string-prefix-p "/" string)
+ (pcase (substring string 1)
+ (cmd-str
+ (lirc-send-msg (lirc-msg nil nil cmd-str))))
+ (error "Not implemented.")))
(defun lirc-enter ()
"Enter current contents of line after prompt."
(interactive)
(with-current-buffer "*lirc*"
(lirc-enter-string
- (buffer-substring lirc-input-marker (point-max)))))
+ (buffer-substring lirc-input-marker (point-max)))
+ (let ((inhibit-read-only t))
+ (delete-region lirc-input-marker (point-max)))))
+
;;; Mode
The Lambda Lab / projects / lurk.git / blobdiff