"Default quit message when none supplied.")
(defcustom murk-networks
- '(("libera" "irc.libera.chat" 6697)
+ '(("debug" "localhost" 6667 :notls)
+ ("libera" "irc.libera.chat" 6697)
("tilde" "tilde.chat" 6697))
"IRC networks.")
;;; Faces
;;
+(defface murk-text
+ '((t :inherit default))
+ "Face used for murk text.")
+
+(defface murk-prompt
+ '((t :inherit font-lock-keyword-face))
+ "Face used for the prompt.")
+
+(defface murk-context
+ '((t :inherit murk-context))
+ "Face used for the context name in the prompt.")
+
+(defface murk-faded
+ '((t :inherit shadow))
+ "Face used for faded murk text.")
+
+(defface murk-timestamp
+ '((t :inherit shadow))
+ "Face used for timestamps.")
+
+(defface murk-error
+ '((t :inherit error))
+ "Face used for murk error text.")
+
+(defface murk-notice
+ '((t :inherit warning))
+ "Face used for murk notice text.")
+
;;; Global variables
;;
(defvar murk-error-prefix "!!!")
(defvar murk-prompt-string ">")
+(defvar murk-debug nil
+ "If non-nil, enable debug mode.")
+
;;; Utility procedures
;;
"\n"))
(if (string-suffix-p "\r" line)
(murk-eval-msg-string server (string-trim line))
- (murk-set-connection-response line)))))
+ (murk-set-connection-response server line)))))
(defun murk-make-server-sentinel (server)
(lambda (proc string)
(unless (equal "open" (string-trim string))
(murk-display-error "Disconnected from server.")
- (murk-remove-contexts-for-server server)
+ (murk-remove-server-contexts server)
(murk-render-prompt)
(murk-connection-close server))))
(if (not (assoc server murk-networks))
(murk-display-error "Network '" server "' is unknown.")
(let ((proc (murk-start-process server)))
- (add-to-list murk-connection-table
+ (add-to-list 'murk-connection-table
(list server proc "")))
(murk-send-msg server (murk-msg nil nil "USER" murk-nick 0 "*" murk-nick))
- (murk-send-msg server (murk-msg nil nil "NICK" murk-nick)))))
+ (murk-send-msg server (murk-msg nil nil "NICK" murk-nick))
+ (murk-add-context (list server)))))
(defun murk-send-msg (server msg)
(if murk-debug
(defun murk-context-server (ctx) (elt ctx 0))
(defun murk-context-name (ctx) (elt ctx 1))
+(defun murk-add-context (ctx)
+ (add-to-list 'murk-contexts ctx))
+
+(defun murk-remove-server-contexts (server)
+ (setq murk-contexts
+ (assoc-delete-all server murk-contexts)))
+
;;; Buffer
;;
(insert
(propertize (let ((ctx (murk-current-context)))
(if ctx
- (concat (murk-context-name) "@" (murk-context-server ctx))
- ""))
+ (concat (murk-context-name) "@" (murk-context-server ctx))
+ ""))
'face 'murk-context
'read-only t)
(propertize murk-prompt-string
(concat (murk-context-name) "@" (murk-context-server context))
nil))
-
(defun murk-display-string (context prefix &rest strings)
(with-current-buffer "*murk*"
(save-excursion
'read-only t
'context context
'invisible context-atom)
- (concat (apply #'murk-buttonify-urls strings) "\n"))))))
+ (murk-add-formatting
+ (propertize (concat (apply #'murk-buttonify-urls strings) "\n")
+ 'read-only t
+ 'context context
+ 'invisible context-atom)))))))
(murk-scroll-windows-to-last-line))
+(defun murk-display-notice (context &rest notices)
+ (murk-display-string
+ context
+ (propertize murk-notice-prefix 'face 'murk-notice)
+ (apply #'concat notices)))
+
+(defun murk-display-error (&rest messages)
+ (murk-display-string
+ nil
+ (propertize murk-error-prefix 'face 'murk-error)
+ (apply #'concat messages)))
+
(defun murk--start-of-final-line ()
(with-current-buffer "*murk*"
(save-excursion
(with-selected-window window
(recenter -1))))))
+
+
(defconst murk-url-regex
(rx (:
(group (+ alpha))
'help-echo "Open URL in browser.")))
(buffer-string)))
+(defun murk-add-formatting (string)
+ (with-temp-buffer
+ (insert string)
+ (goto-char (point-min))
+ (let ((bold nil)
+ (italics nil)
+ (underline nil)
+ (strikethrough nil)
+ (prev-point (point)))
+ (while (re-search-forward (rx (or (any "\x02\x1D\x1F\x1E\x0F")
+ (: "\x03" (+ digit) (opt "," (* digit)))))
+ nil t)
+ (let ((beg (+ (match-beginning 0) 1)))
+ (if bold
+ (add-face-text-property prev-point beg '(:weight bold)))
+ (if italics
+ (add-face-text-property prev-point beg '(:slant italic)))
+ (if underline
+ (add-face-text-property prev-point beg '(:underline t)))
+ (if strikethrough
+ (add-face-text-property prev-point beg '(:strike-through t)))
+ (pcase (match-string 0)
+ ("\x02" (setq bold (not bold)))
+ ("\x1D" (setq italics (not italics)))
+ ("\x1F" (setq underline (not underline)))
+ ("\x1E" (setq strikethrough (not strikethrough)))
+ ("\x0F" ; Reset
+ (setq bold nil)
+ (setq italics nil)
+ (setq underline nil)
+ (setq strikethrough nil))
+ (_))
+ (delete-region (match-beginning 0) (match-end 0))
+ (setq prev-point (point)))))
+ (buffer-string)))
+
+
+;;; Message evaluation
+;;
+
+(defun murk-eval-msg-string (server string)
+ (if murk-debug
+ (murk-display-string nil nil string))
+ (let* ((msg (murk-string->msg string)))
+ (pcase (murk-msg-cmd msg)
+ ("PING"
+ (murk-send-msg server
+ (murk-msg nil nil "PONG" (murk-msg-params msg))))
+
+ ("PONG")
+
+ (_
+ (murk-display-notice nil (murk-msg->string msg))))))
+
+;;; Commands
+;;
+
+(defvar murk-command-table
+ '(("DEBUG" "Toggle debug mode on/off." murk-command-debug murk-boolean-completions)
+ ("HEADER" "Toggle display of header." murk-command-header murk-boolean-completions)
+ ("CONNECT" "Connect to an IRC network." murk-command-connect murk-network-completions)
+ ("NETWORKS" "List known IRC networks." murk-command-networks)
+ ("QUIT" "Disconnect from current network." murk-command-quit)
+ ("NICK" "Change nick." murk-command-nick)
+ ("MSG" "Send private message to user." murk-command-msg murk-nick-completions)
+ ("CLEAR" "Clear buffer text." murk-command-clear murk-context-completions)
+ ("HELP" "Display help on client commands." murk-command-help murk-help-completions))
+ "Table of commands explicitly supported by murk.")
+
+(defun murk-boolean-completions ()
+ '("on" "off"))
+
+(defun murk-network-completions ()
+ (mapcar (lambda (row) (car row)) murk-networks))
+
+(defun murk-command-help (params)
+ (if params
+ (let* ((cmd-str (upcase (car params)))
+ (row (assoc cmd-str murk-command-table #'equal)))
+ (if row
+ (progn
+ (murk-display-notice nil "Help for \x02" cmd-str "\x02:")
+ (murk-display-notice nil " " (elt row 1)))
+ (murk-display-notice nil "No such (client-interpreted) command.")))
+ (murk-display-notice nil "Client-interpreted commands:")
+ (dolist (row murk-command-table)
+ (murk-display-notice nil " \x02" (elt row 0) "\x02: " (elt row 1)))
+ (murk-display-notice nil "Use /HELP COMMAND to display information about a specific command.")))
+
+(defun murk-command-debug (params)
+ (setq murk-debug
+ (if params
+ (if (equal (upcase (car params)) "ON")
+ t
+ nil)
+ (not murk-debug)))
+ (murk-display-notice nil "Debug mode now " (if murk-debug "on" "off") "."))
+
+(defun murk-command-clear (params)
+ (if (not params)
+ (murk-clear-buffer)
+ (dolist (context params)
+ (murk-clear-context context))))
+
+(defun murk-command-connect (params)
+ (if params
+ (let ((network (car params)))
+ (murk-display-notice nil "Attempting to connect to " network "...")
+ (murk-connect network))
+ (murk-display-notice nil "Usage: /connect <network>")))
+
+(defun murk-command-networks (params)
+ (murk-display-notice nil "Currently-known networks:")
+ (dolist (row murk-networks)
+ (seq-let (network server port &rest others) row
+ (murk-display-notice nil "\t" network
+ " [" server
+ " " (number-to-string port) "]")))
+ (murk-display-notice nil "(Modify the `murk-networks' variable to add more.)"))
+
+(defun murk-command-quit (params)
+ (let ((ctx (murk-current-context)))
+ (if (not ctx)
+ (murk-display-error "No current context.")
+ (let ((quit-msg (if params (string-join params " ") murk-default-quit-msg)))
+ (murk-send-msg
+ (murk-context-server ctx)
+ (lurk-msg nil nil "QUIT" quit-msg))))))
+
+;;; Command entering
+;;
+
+(defun murk-enter-string (string)
+ (if (string-prefix-p "/" string)
+ (pcase string
+ ((rx (: "/" (let cmd-str (+ (not whitespace)))
+ (opt (+ whitespace)
+ (let params-str (+ anychar))
+ string-end)))
+ (let ((command-row (assoc (upcase cmd-str) murk-command-table #'equal))
+ (params (if params-str
+ (split-string params-str nil t)
+ nil)))
+ (if (and command-row (elt command-row 2))
+ (funcall (elt command-row 2) params)
+ (murk-send-msg
+ (murk-context-server (murk-current-context))
+ (murk-msg nil nil (upcase cmd-str) params)))))
+ (_
+ (murk-display-error "Badly formed command.")))
+ (unless (string-empty-p string)
+ (if (murk-current-context)
+ (progn
+ (murk-send-msg server
+ (murk-msg nil nil "PRIVMSG"
+ (murk-context-name murk-current-context)
+ string))
+ (murk-display-message murk-nick (murk-context->string (murk-current-context)) string))
+ (murk-display-error "No current context.")))))
+
+
+;;; Command history
+;;
+
+(defvar murk-history nil
+ "Commands and messages sent in current session.")
+
+(defvar murk-history-index nil)
+
+(defun murk-history-cycle (delta)
+ (when murk-history
+ (with-current-buffer "*murk*"
+ (if murk-history-index
+ (setq murk-history-index
+ (max 0
+ (min (- (length murk-history) 1)
+ (+ delta murk-history-index))))
+ (setq murk-history-index 0))
+ (delete-region murk-input-marker (point-max))
+ (insert (elt murk-history murk-history-index)))))
+
+
+;;; Interactive commands
+;;
+
+(defun murk-enter ()
+ "Enter current contents of line after prompt."
+ (interactive)
+ (with-current-buffer "*murk*"
+ (let ((line (buffer-substring murk-input-marker (point-max))))
+ (push line murk-history)
+ (setq murk-history-index nil)
+ (let ((inhibit-read-only t))
+ (delete-region murk-input-marker (point-max)))
+ (murk-enter-string line))))
+
+(defun murk-history-next ()
+ (interactive)
+ (murk-history-cycle -1))
+
+(defun murk-history-prev ()
+ (interactive)
+ (murk-history-cycle +1))
+
+(defun murk-complete-input ()
+ (interactive)
+ (let ((completion-ignore-case t))
+ (when (>= (point) murk-input-marker)
+ (pcase (buffer-substring murk-input-marker (point))
+ ((rx (: "/" (let cmd-str (+ (not whitespace))) (+ " ") (* (not whitespace)) string-end))
+ (let ((space-idx (save-excursion
+ (re-search-backward " " murk-input-marker t)))
+ (table-row (assoc (upcase cmd-str) murk-command-table #'equal)))
+ (if (and table-row (elt table-row 3))
+ (let* ((completions-nospace (funcall (elt table-row 3)))
+ (completions (mapcar (lambda (el) (concat el " ")) completions-nospace)))
+ (completion-in-region (+ 1 space-idx) (point) completions)))))
+ ((rx (: "/" (* (not whitespace)) string-end))
+ (message (buffer-substring murk-input-marker (point)))
+ (completion-in-region murk-input-marker (point)
+ (mapcar (lambda (row) (concat "/" (car row) " "))
+ murk-command-table)))
+ (_
+ (let* ((end (max murk-input-marker (point)))
+ (space-idx (save-excursion
+ (re-search-backward " " murk-input-marker t)))
+ (start (if space-idx (+ 1 space-idx) murk-input-marker)))
+ (unless (string-prefix-p "/" (buffer-substring start end))
+ (let* ((users (murk-get-context-users murk-current-context))
+ (users-no@ (mapcar
+ (lambda (u) (car (split-string u "@" t)))
+ users)))
+ (completion-in-region start end users-no@)))))))))
;;; Mode
;;
(let ((map (make-sparse-keymap)))
(define-key map (kbd "RET") 'murk-enter)
(define-key map (kbd "TAB") 'murk-complete-input)
+ (define-key map (kbd "<C-up>") 'murk-history-prev)
+ (define-key map (kbd "<C-down>") 'murk-history-next)
(when (fboundp 'evil-define-key*)
(evil-define-key* 'motion map
(kbd "TAB") 'murk-complete-input))
The Lambda Lab / projects / lurk.git / blobdiff