-;;; MURK --- Multiserver Unibuffer iRc Klient -*- lexical-binding:t -*-
+;;; murk.el --- Multinetwork Unibuffer iRc Klient -*- lexical-binding:t -*-
;; Copyright (C) 2024 plugd
;; Author: plugd <plugd@thelambdalab.xyz>
;; Created: 11 May 2024
;; Version: 0.0
-;; Keywords: network
;; Homepage: http://thelambdalab.xyz/murk
-;; Package-Requires: ((emacs "26"))
+;; Keywords: comm
+;; Package-Requires: ((emacs "26.1"))
;; This file is not part of GNU Emacs.
;;; Commentary:
+;; A very simple IRC client which uses only a single buffer.
+
;;; Code:
(provide 'murk)
+(require 'cl-lib)
+
;;; Customizations
(defgroup murk nil
- "Multiserver Unibuffer iRc Klient"
+ "Multinetwork Unibuffer iRc Klient"
:group 'network)
-(defcustom murk-nick "plugd"
- "Default nick.")
+(defcustom murk-default-nick "plugd"
+ "Default nick."
+ :type '(string))
(defcustom murk-default-quit-msg "Bye"
- "Default quit message when none supplied.")
+ "Default quit message when none supplied."
+ :type '(string))
(defcustom murk-networks
- '(("debug" "localhost" 6667 :notls)
+ '(("debug" "localhost" 6697)
("libera" "irc.libera.chat" 6697)
- ("tilde" "tilde.chat" 6697))
- "IRC networks.")
+ ("tilde" "tilde.chat" 6697)
+ ("sdf" "irc.sdf.org" 6697)
+ ("freenode" "chat.freenode.net" 6697)
+ ("mbr" "mbrserver.com" 6667 :notls))
+ "IRC networks."
+ :type '(alist :key-type string))
+
+(defcustom murk-show-joins nil
+ "Set to non-nil to be notified of joins, parts and quits.")
(defcustom murk-display-header t
- "If non-nil, use buffer header to display information on current host and channel.")
+ "If non-nil, use buffer header to display current host and channel."
+ :type '(boolean))
+
+(defcustom murk-autoreply-table nil
+ "Table of autoreply messages.
+
+Each autoreply is a list of two elements: (matcher reply)
+
+Here matcher is a list:
+
+(network src cmd params ...)
+
+and reply is another list:
+
+ (cmd params ...)
+
+Each entry in the matcher list is a regular expression tested against the
+corresponding values in the incomming message. Entries can be nil,
+in which case they match anything."
+ :type '(list (list) (list)))
;;; Faces
(defvar murk-debug nil
"If non-nil, enable debug mode.")
+
;;; Utility procedures
;;
(with-output-to-string (princ obj))
nil))
+
;;; Network processes
;;
(defvar murk-connection-table nil
- "An alist associating servers to connection information.
+ "An alist associating networks to connection information.
This includes the process and the response string.")
-(defun murk-connection-process (server)
- (elt (assoc server murk-connection-table) 1))
+(defun murk-connection-process (network)
+ (elt (assoc network murk-connection-table) 1))
+
+(defun murk-connection-nick (network)
+ (elt (assoc network murk-connection-table) 2))
-(defun murk-connection-response (server)
- (elt (assoc server murk-connection-table) 2))
+(defun murk-set-connection-nick (network nick)
+ (setf (elt (assoc network murk-connection-table) 2) nick))
-(defun murk-set-connection-response (server string)
- (setf (elt (assoc server murk-connection-table) 2) string))
+(defun murk-connection-response (network)
+ (elt (assoc network murk-connection-table) 3))
-(defun murk-connection-close (server)
- (setq murk-connection-table (assoc-delete-all server murk-connection-table)))
+(defun murk-set-connection-response (network string)
+ (setf (elt (assoc network murk-connection-table) 3) string))
-(defun murk-make-server-filter (server)
- (lambda (proc string)
- (dolist (line (split-string (concat (murk-connection-response server) string)
+(defun murk-connection-new (network process nick)
+ (add-to-list 'murk-connection-table
+ (list network process nick "")))
+
+(defun murk-connection-remove (network)
+ (setq murk-connection-table
+ (seq-remove (lambda (row) (equal (car row) network))
+ murk-connection-table)))
+
+(defun murk-make-network-filter (network)
+ (lambda (_proc string)
+ (dolist (line (split-string (concat (murk-connection-response network) string)
"\n"))
(if (string-suffix-p "\r" line)
- (murk-eval-msg-string server (string-trim line))
- (murk-set-connection-response server line)))))
+ (murk-eval-msg-string network (string-trim line))
+ (murk-set-connection-response network line)))))
-(defun murk-make-server-sentinel (server)
- (lambda (proc string)
+(defun murk-make-network-sentinel (network)
+ (lambda (_proc string)
(unless (equal "open" (string-trim string))
- (murk-display-error "Disconnected from server.")
- (murk-remove-contexts-for-server server)
- (murk-render-prompt)
- (murk-connection-close server))))
-
-(defun murk-start-process (server)
- (let* ((row (assoc server murk-networks))
+ (murk-display-error "Disconnected from network.")
+ (murk-connection-remove network)
+ (murk-remove-network-contexts network)
+ (murk-highlight-current-context)
+ (murk-render-prompt))))
+
+(defun murk-start-process (network)
+ (let* ((row (assoc network murk-networks))
(host (elt row 1))
(port (elt row 2))
(flags (seq-drop row 3)))
- (make-network-process :name (concat "murk-" server)
+ (make-network-process :name (concat "murk-" network)
:host host
:service port
:family nil
- :filter (murk-make-server-filter server)
- :sentinel (murk-make-server-sentinel server)
+ :filter (murk-make-network-filter network)
+ :sentinel (murk-make-network-sentinel network)
:nowait nil
:tls-parameters (if (memq :notls flags)
nil
;; IDEA: Have a single ping timer which pings all connected hosts
-(defun murk-connect (server)
- (if (assoc server murk-connection-table)
- (murk-display-error "Already connected to this network.")
- (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
- (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)))))
-
-(defun murk-send-msg (server msg)
+(defun murk-connect (network)
+ (if (assoc network murk-connection-table)
+ (murk-display-error "Already connected to this network")
+ (if (not (assoc network murk-networks))
+ (murk-display-error "Network '" network "' is unknown.")
+ (let ((proc (murk-start-process network)))
+ (murk-connection-new network proc murk-default-nick))
+ (murk-send-msg network (murk-msg nil nil "USER" murk-default-nick 0 "*" murk-default-nick))
+ (murk-send-msg network (murk-msg nil nil "NICK" murk-default-nick))
+ (murk-add-context (list network))
+ (murk-highlight-current-context)
+ (murk-render-prompt))))
+
+(defun murk-send-msg (network msg)
(if murk-debug
(murk-display-string nil nil (murk-msg->string msg)))
- (let ((proc (murk-connection-process server)))
+ (let ((proc (murk-connection-process network)))
(if (and proc (eq (process-status proc) 'open))
(process-send-string proc (concat (murk-msg->string msg) "\r\n"))
- (murk-display-error "No server connection established.")
- (error "No server connection established"))))
+ (murk-display-error "No network connection established"))))
-;;; Server messages
+
+;;; network messages
;;
(defun murk-msg (tags src cmd &rest params)
(params-str (match-string 4 string))
(params
(if params-str
- (let* ((idx (cl-search ":" params-str))
+ (let* ((idx (seq-position params-str ?:))
(l (split-string (string-trim (substring params-str 0 idx))))
(r (if idx (list (substring params-str (+ 1 idx))) nil)))
(append l r))
nil)))
(apply #'murk-msg (append (list tags src cmd) params)))
- (error "Failed to parse string " string)))
+ (error "Failed to parse string %s" string)))
(defun murk-msg->string (msg)
(let ((tags (murk-msg-tags msg))
nil))))
-;;; Contexts and Servers
+;;; Contexts
;;
-;; A context is a list (server name ...) where name is a string
-;; representing either a channel name or nick, and server is a symbol
-;; identifying the server.
+;; A context is a list (network channel) identifying the network
+;; and channel. The tail of the list contains the nicks of users
+;; present in the channel.
;;
-;; Each server has a special context (server) used for messages
-;; to/from the server itself.
+;; Each network has a special context (network) used for messages
+;; to/from the network itself.
(defvar murk-contexts nil
"List of currently-available contexts.
The head of this list is always the current context.")
(defun murk-current-context ()
- "Returns the current context."
+ "Return the current context."
(if murk-contexts
(car murk-contexts)
nil))
-(defun murk-context-server (ctx) (elt ctx 0))
-(defun murk-context-name (ctx) (elt ctx 1))
+(defun murk-contexts-equal (c1 c2)
+ (if (murk-network-context-p c1)
+ (and (murk-network-context-p c2)
+ (equal (murk-context-network c1)
+ (murk-context-network c2)))
+ (and (not (murk-network-context-p c2))
+ (equal (seq-take c1 2)
+ (seq-take c2 2)))))
+
+(defun murk-context-network (ctx)
+ (elt ctx 0))
+
+(defun murk-context-channel (ctx)
+ (elt ctx 1))
+
+(defun murk-network-context-p (ctx)
+ (not (cdr ctx)))
+
+(defun murk-add-context (ctx)
+ (add-to-list 'murk-contexts ctx))
+
+(defun murk-remove-context (ctx)
+ (setq murk-contexts
+ (seq-remove
+ (lambda (this-ctx)
+ (murk-contexts-equal this-ctx ctx))
+ murk-contexts)))
+
+(defun murk-remove-network-contexts (network)
+ (setq murk-contexts
+ (seq-remove (lambda (row) (equal (car row) network))
+ murk-contexts)))
+
+(defun murk-context->string (ctx)
+ (concat
+ (if (murk-network-context-p ctx)
+ ""
+ (concat (murk-context-channel ctx) "@"))
+ (murk-context-network ctx)))
+
+(defun murk-string->context (string)
+ (if (not (string-prefix-p "#" string))
+ (murk-get-context string)
+ (let* ((parts (string-split string "@"))
+ (channel (elt parts 0))
+ (network (elt parts 1)))
+ (murk-get-context network channel))))
+
+(defun murk-get-context (network &optional channel)
+ (if (and channel (string-prefix-p "#" channel))
+ (let ((test-ctx (list network channel)))
+ (seq-find (lambda (ctx)
+ (equal (seq-take ctx 2) test-ctx))
+ murk-contexts))
+ (car (member (list network) murk-contexts))))
+
+(defun murk-cycle-contexts (&optional reverse)
+ (setq murk-contexts
+ (if reverse
+ (let ((nminus1 (- (length murk-contexts) 1)))
+ (cons
+ (elt murk-contexts nminus1)
+ (seq-take murk-contexts nminus1)))
+ (append (cdr murk-contexts) (list (car murk-contexts))))))
+
+(defun murk-switch-to-context (ctx)
+ (setq murk-contexts
+ (let* ((new-head (memq ctx murk-contexts))
+ (new-tail (take (- (length murk-contexts)
+ (length new-head))
+ murk-contexts)))
+ (append new-head new-tail))))
+
+;;; Context users
+;;
+
+(defvar murk-context-users nil
+ "Association list between channel contexts and users.")
+
+(defun murk-get-context-users (ctx)
+ (cdr (assoc ctx murk-context-users)))
+
+(defun murk-set-context-users (ctx users)
+ (setq murk-context-users
+ (cons (cons ctx users) (assoc-delete-all ctx murk-context-users))))
+
+(defun murk-add-context-users (ctx users)
+ (murk-set-context-users
+ ctx
+ (cl-union users (murk-get-context-users ctx))))
+
+(defun murk-del-context-user (ctx user)
+ (murk-set-context-users
+ ctx
+ (delete user (murk-get-context-users ctx))))
+
+(defun murk-del-all-context-users (ctx)
+ (murk-set-context-users ctx nil))
+
+(defun murk-del-network-user (network user)
+ (dolist (ctx murk-contexts)
+ (if (and (equal (murk-context-network ctx) network)
+ (not (murk-network-context-p ctx)))
+ (murk-del-context-user ctx user))))
+
+(defun murk-del-all-network-users (network)
+ (dolist (ctx murk-contexts)
+ (if (and (equal (murk-context-network ctx) network)
+ (not (murk-network-context-p ctx)))
+ (murk-del-all-context-users ctx))))
+
+(defun murk-rename-network-user (network old-nick new-nick)
+ (dolist (ctx murk-contexts)
+ (when (and (equal (murk-context-network ctx) network)
+ (member old-nick (murk-get-context-users ctx)))
+ (murk-del-context-user ctx old-nick)
+ (murk-add-context-users ctx (list new-nick)))))
+
;;; Buffer
;;
+(defvar murk-prompt-marker nil
+ "Marker for prompt position in murk buffer.")
+
+(defvar murk-input-marker nil
+ "Marker for prompt position in murk buffer.")
+
(defun murk-render-prompt ()
(with-current-buffer "*murk*"
(let ((update-point (= murk-input-marker (point)))
(insert
(propertize (let ((ctx (murk-current-context)))
(if ctx
- (concat (murk-context-name) "@" (murk-context-server ctx))
- ""))
+ (murk-context->string ctx)
+ ""))
'face 'murk-context
'read-only t)
(propertize murk-prompt-string
(if (car v)
(set-window-point (cadr v) murk-input-marker))))))
-(defvar murk-prompt-marker nil
- "Marker for prompt position in murk buffer.")
-
-(defvar murk-input-marker nil
- "Marker for prompt position in murk buffer.")
-
(defun murk-setup-header ()
- ;; To do
- )
+ (with-current-buffer "*murk*"
+ (setq-local header-line-format
+ '((:eval
+ (let* ((ctx (murk-current-context)))
+ (if ctx
+ (let ((network (murk-context-network ctx)))
+ (concat
+ "Network: " network ", "
+ (if (murk-network-context-p ctx)
+ "network"
+ (concat
+ "Channel: "
+ (murk-context-channel ctx)
+ " ("
+ (number-to-string
+ (length (murk-get-context-users ctx)))
+ ")"))))
+ "No connection")))))))
(defun murk-setup-buffer ()
(with-current-buffer (get-buffer-create "*murk*")
(set-marker murk-input-marker (point-max))
(setq murk-input-marker (point-max-marker)))
(goto-char (point-max))
+ (murk-highlight-current-context)
(murk-render-prompt)
(if murk-display-header
(murk-setup-header))))
;;; Output formatting and highlighting
;;
+;; Idea: the face text property can be a list of faces, applied in
+;; order. By assigning each context a unique list and keeping track
+;; of these in a hash table, we can easily switch the face
+;; corresponding to a particular context by modifying the elements of
+;; this list.
+;;
+;; More subtly, we make only the cdrs of this list shared among
+;; all text of a given context, allowing the cars to be different
+;; and for different elements of the context-specific text to have
+;; different styling.
+
+;; Additionally, we allow selective hiding of contexts via
+;; the buffer-invisibility-spec.
+
+(defvar murk-context-facelists (make-hash-table :test 'equal)
+ "List of seen contexts and associated face lists.")
+
+(defun murk-get-context-facelist (context)
+ (let* ((facelist (gethash context murk-context-facelists)))
+ (unless facelist
+ (setq facelist (list 'murk-text))
+ (puthash context facelist murk-context-facelists))
+ facelist))
+
(defun murk--fill-strings (col indent &rest strings)
(with-temp-buffer
(setq buffer-invisibility-spec nil)
(fill-region (point-min) (point-max) nil t)
(buffer-string))))
-(defun murk-context->string (context)
- (if context
- (concat (murk-context-name) "@" (murk-context-server context))
- nil))
-
(defun murk-display-string (context prefix &rest strings)
(with-current-buffer "*murk*"
(save-excursion
(old-pos (marker-position murk-prompt-marker))
(padded-timestamp (concat (format-time-string "%H:%M ")))
(padded-prefix (if prefix (concat prefix " ") ""))
- (context-atom (if context (intern (murk-context->string context)) nil)))
+ (context-atom (if context
+ (intern (murk-context->string context))
+ nil))
+ (context-face (murk-get-context-facelist context)))
(insert-before-markers
(murk--fill-strings
80
'invisible context-atom)
(murk-add-formatting
(propertize (concat (apply #'murk-buttonify-urls strings) "\n")
+ 'face context-face
'read-only t
'context context
'invisible context-atom)))))))
(murk-scroll-windows-to-last-line))
+(defun murk-click-context (button)
+ (murk-switch-to-context (button-get button 'context))
+ (murk-highlight-current-context)
+ (murk-render-prompt)
+ (if murk-zoomed
+ (murk-zoom-in (murk-current-context))))
+
+(defun murk-make-context-button (context &optional string)
+ (with-temp-buffer
+ (let ((label (or string (murk-context->string context))))
+ (insert-text-button label
+ 'action #'murk-click-context
+ 'context context
+ 'follow-link t
+ 'help-echo "Switch context"))
+ (buffer-string)))
+
+(defun murk-display-message (network from to text)
+ (let ((context (if (string-prefix-p "#" to)
+ (murk-get-context network to)
+ (murk-get-context network))))
+ (murk-display-string
+ context
+ (propertize
+ (if (murk-network-context-p context)
+ (concat "[" from "->" to "]")
+ (concat
+ (murk-make-context-button context)
+ " <" from ">"))
+ 'face (murk-get-context-facelist context))
+ text)))
+
+(defun murk-display-action (network from to action-text)
+ (let ((context (if (string-prefix-p "#" to)
+ (murk-get-context network to)
+ (murk-get-context network))))
+ (murk-display-string
+ context
+ (propertize
+ (concat (murk-context->string context) " *")
+ 'face (murk-get-context-facelist context))
+ from " " action-text)))
+
(defun murk-display-notice (context &rest notices)
(murk-display-string
context
(propertize murk-error-prefix 'face 'murk-error)
(apply #'concat messages)))
+(defun murk-highlight-current-context ()
+ (with-current-buffer "*murk*"
+ (maphash
+ (lambda (this-context facelist)
+ (if (equal this-context (murk-current-context))
+ (setcar facelist 'murk-text)
+ (setcar facelist 'murk-faded)))
+ murk-context-facelists))
+ (force-window-update "*murk*"))
+
+(defun murk-zoom-in (context)
+ (with-current-buffer "*murk*"
+ (maphash
+ (lambda (this-context _)
+ (when this-context
+ (let ((this-context-atom
+ (intern (murk-context->string this-context))))
+ (if (equal this-context context)
+ (remove-from-invisibility-spec this-context-atom)
+ (add-to-invisibility-spec this-context-atom)))))
+ murk-context-facelists)
+ (force-window-update "*murk*"))
+ (murk-scroll-windows-to-last-line))
+
+(defun murk-zoom-out ()
+ (with-current-buffer "*murk*"
+ (maphash
+ (lambda (this-context _)
+ (let ((this-context-atom
+ (if this-context
+ (intern (murk-context->string this-context))
+ nil)))
+ (remove-from-invisibility-spec this-context-atom)))
+ murk-context-facelists)
+ (force-window-update "*murk*"))
+ (murk-scroll-windows-to-last-line))
+
(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))
(strikethrough nil)
(prev-point (point)))
(while (re-search-forward (rx (or (any "\x02\x1D\x1F\x1E\x0F")
- (: "\x03" (+ digit) (opt "," (* digit)))))
+ (: "\x03" (* digit) (opt "," (* digit)))))
nil t)
(let ((beg (+ (match-beginning 0) 1)))
(if bold
;;; Message evaluation
;;
-(defun murk-eval-msg-string (server string)
+(defun murk-eval-msg-string (network string)
(if murk-debug
(murk-display-string nil nil string))
(let* ((msg (murk-string->msg string)))
+ (murk-process-autoreplies network msg)
(pcase (murk-msg-cmd msg)
("PING"
- (murk-send-msg server
+ (murk-send-msg network
(murk-msg nil nil "PONG" (murk-msg-params msg))))
("PONG")
+ ("001" ; RPL_WELCOME
+ (let* ((params (murk-msg-params msg))
+ (nick (elt params 0))
+ (text (string-join (seq-drop params 1) " ")))
+ (murk-set-connection-nick network nick)
+ (murk-display-notice (murk-get-context network) text))
+ (let* ((row (assoc network murk-networks))
+ (channels (if (memq :channels row)
+ (cdr (memq :channels row))
+ nil)))
+ (dolist (channel channels)
+ (murk-command-join (list channel)))))
+
+ ("353" ; NAMEREPLY
+ (let* ((params (murk-msg-params msg))
+ (channel (elt params 2))
+ (names (split-string (elt params 3)))
+ (ctx (murk-get-context network channel)))
+ (if ctx
+ (murk-add-context-users ctx names)
+ (murk-display-notice ctx "Users in " channel
+ ": " (string-join names " ")))))
+
+ ("366" ; ENDOFNAMES
+ (let* ((params (murk-msg-params msg))
+ (channel (elt params 1))
+ (ctx (murk-get-context network channel)))
+ (if ctx
+ (murk-display-notice
+ ctx
+ (murk--as-string (length (murk-get-context-users ctx)))
+ " users in " channel)
+ (murk-display-notice (murk-get-context network)
+ "End of " channel " names list."))))
+
+ ("331" ; RPL_NOTOPIC
+ (let* ((params (murk-msg-params msg))
+ (channel (elt params 1))
+ (ctx (murk-get-context network channel)))
+ (murk-display-notice ctx "No topic set.")))
+
+ ("332" ; RPL_TOPIC
+ (let* ((params (murk-msg-params msg))
+ (channel (elt params 1))
+ (topic (elt params 2))
+ (ctx (murk-get-context network channel)))
+ (murk-display-notice ctx "Topic: " topic)))
+
+ ((rx (= 3 (any digit)))
+ (murk-display-notice (murk-get-context network)
+ (mapconcat 'identity (cdr (murk-msg-params msg)) " ")))
+
+ ((and "JOIN"
+ (guard (equal (murk-connection-nick network)
+ (murk-msg-src msg))))
+ (let* ((channel (car (murk-msg-params msg)))
+ (context (list network channel)))
+ (murk-add-context context)
+ (murk-del-all-context-users context)
+ (murk-display-notice (murk-current-context)
+ "Joining channel " channel " on " network)
+ (murk-highlight-current-context)
+ (murk-render-prompt)))
+
+ ("JOIN"
+ (let* ((channel (car (murk-msg-params msg)))
+ (nick (murk-msg-src msg))
+ (ctx (murk-get-context network channel)))
+ (murk-add-context-users ctx (list nick))
+ (if murk-show-joins
+ (murk-display-notice ctx nick " joined channel " channel
+ " on " network))))
+
+ ((and "PART"
+ (guard (equal (murk-connection-nick network)
+ (murk-msg-src msg))))
+ (let* ((channel (car (murk-msg-params msg)))
+ (context (list network channel)))
+ (murk-display-notice context "Left channel " channel)
+ (murk-remove-context context)
+ (murk-del-all-context-users context)
+ (murk-highlight-current-context)
+ (murk-render-prompt)))
+
+ ("PART"
+ (let* ((channel (car (murk-msg-params msg)))
+ (nick (murk-msg-src msg))
+ (ctx (murk-get-context network channel)))
+ (murk-del-context-user ctx nick)
+ (if murk-show-joins
+ (murk-display-notice ctx nick " left channel " channel
+ " on " network))))
+
+ ((and "NICK"
+ (guard (equal (murk-connection-nick network)
+ (murk-msg-src msg))))
+ (let ((new-nick (car (murk-msg-params msg)))
+ (old-nick (murk-connection-nick network)))
+ (murk-set-connection-nick network new-nick)
+ (murk-rename-network-user network old-nick new-nick)
+ (murk-display-notice (murk-get-context network)
+ "Nick set to " new-nick " on " network)))
+
+ ("NICK"
+ (let ((old-nick (murk-msg-src msg))
+ (new-nick (car (murk-msg-params msg))))
+ (murk-display-notice (murk-get-context network)
+ old-nick " is now known as " new-nick
+ " on " network)
+ (murk-rename-network-user network old-nick new-nick)))
+
+ ("TOPIC"
+ (let ((channel (car (murk-msg-params msg)))
+ (nick (murk-msg-src msg))
+ (topic (cadr (murk-msg-params msg))))
+ (murk-display-notice (murk-get-context network channel)
+ nick " set the topic: " topic)))
+
+ ("QUIT"
+ (let ((nick (murk-msg-src msg))
+ (reason (mapconcat 'identity (murk-msg-params msg) " ")))
+ (murk-del-network-user network nick)
+ (if murk-show-joins
+ (murk-display-notice (murk-get-context network)
+ nick " on " network " has quit: " reason))))
+
+ ("NOTICE"
+ (let ((nick (murk-msg-src msg))
+ (channel (car (murk-msg-params msg)))
+ (text (cadr (murk-msg-params msg))))
+ (pcase text
+ ((rx (: "\01VERSION "
+ (let version (* (not "\01")))
+ "\01"))
+ (murk-display-notice (murk-get-context network)
+ "CTCP version reply from " nick ": " version))
+ (_
+ (murk-display-notice (murk-get-context network channel) text)))))
+
+ ("PRIVMSG"
+ (let* ((from (murk-msg-src msg))
+ (params (murk-msg-params msg))
+ (to (car params))
+ (text (cadr params)))
+ (pcase text
+ ("\01VERSION\01"
+ (let ((version-string (concat murk-version " - running on GNU Emacs " emacs-version)))
+ (murk-send-msg network
+ (murk-msg nil nil "NOTICE"
+ (list from (concat "\01VERSION "
+ version-string
+ "\01")))))
+ (murk-display-notice (murk-get-context network)
+ "CTCP version request received from "
+ from " on " network))
+
+ ((rx (let ping (: "\01PING " (* (not "\01")) "\01")))
+ (murk-send-msg network (murk-msg nil nil "NOTICE" (list from ping)))
+ (murk-display-notice (murk-get-context network)
+ "CTCP ping received from " from " on " network))
+
+ ("\01USERINFO\01"
+ (murk-display-notice (murk-get-context network)
+ "CTCP userinfo request from " from
+ " on " network " (no response sent)"))
+
+ ("\01CLIENTINFO\01"
+ (murk-display-notice (murk-get-context network)
+ "CTCP clientinfo request from " from
+ " on " network " (no response sent)"))
+
+ ((rx (: "\01ACTION " (let action-text (* (not "\01"))) "\01"))
+ (murk-display-action network from to action-text))
+
+ (_
+ (murk-display-message network from to text)))))
+
(_
- (murk-display-notice nil (murk-msg->string msg))))))
+ (murk-display-notice (murk-get-context network)
+ (murk-msg->string msg))))))
+
+
+;;; User-defined responses
+;;
+
+(defun murk--lists-equal (l1 l2)
+ (if (and l1 l2)
+ (if (or (not (and (car l1) (car l2)))
+ (string-match (car l1) (car l2)))
+ (murk--lists-equal (cdr l1) (cdr l2))
+ nil)
+ t))
+
+(defun murk-process-autoreply (network msg autoreply)
+ (let ((matcher (car autoreply))
+ (reply (cadr autoreply)))
+ (let ((target-network (car matcher)))
+ (when (and (or (not target-network)
+ (and (equal network target-network)))
+ (murk--lists-equal (cdr matcher)
+ (append (list (murk-msg-src msg)
+ (murk-msg-cmd msg))
+ (murk-msg-params msg))))
+ (murk-send-msg network
+ (murk-msg nil nil (car reply) (cdr reply)))))))
+
+(defun murk-process-autoreplies (network msg)
+ (mapc
+ (lambda (autoreply)
+ (murk-process-autoreply network msg autoreply))
+ murk-autoreply-table))
+
;;; 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)
+ ("SHOWJOINS" "Toggles display of joins/parts." murk-command-showjoins murk-boolean-completions)
("NETWORKS" "List known IRC networks." murk-command-networks)
+ ("CONNECT" "Connect to an IRC network." murk-command-connect murk-network-completions)
("QUIT" "Disconnect from current network." murk-command-quit)
+ ("JOIN" "Join one or more channels." murk-command-join)
+ ("PART" "Leave channel." murk-command-part murk-channel-completions)
+ ("SWITCHCONTEXT" "Switch current context" murk-command-switch-context murk-context-completions)
("NICK" "Change nick." murk-command-nick)
+ ("LIST" "Display details of one or more channels." murk-command-list)
+ ("TOPIC" "Set/query topic for current channel." murk-command-topic)
+ ("USERS" "List nicks of users in current channel." murk-command-users)
("MSG" "Send private message to user." murk-command-msg murk-nick-completions)
+ ("ME" "Display action." murk-command-me)
+ ("VERSION" "Request version of another user's client via CTCP." murk-command-version 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-network-completions ()
(mapcar (lambda (row) (car row)) murk-networks))
+(defun murk-help-completions ()
+ (mapcar (lambda (row) (car row)) murk-command-table))
+
+(defun murk-channel-completions ()
+ (mapcar (lambda (ctx)
+ (murk-context->string ctx))
+ (seq-filter (lambda (ctx)
+ (not (murk-network-context-p ctx)))
+ murk-contexts)))
+
+(defun murk-context-completions ()
+ (mapcar (lambda (ctx) (murk-context->string ctx)) murk-contexts))
+
(defun murk-command-help (params)
(if params
(let* ((cmd-str (upcase (car params)))
(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-header (params)
+ (if
+ (if params
+ (equal (upcase (car params)) "ON")
+ (not header-line-format))
+ (progn
+ (murk-setup-header)
+ (murk-display-notice nil "Header enabled."))
+ (setq-local header-line-format nil)
+ (murk-display-notice nil "Header disabled.")))
+
+(defun murk-command-showjoins (params)
+ (setq murk-show-joins
+ (if params
+ (if (equal (upcase (car params)) "ON")
+ t
+ nil)
+ (not murk-show-joins)))
+ (murk-display-notice nil "Joins/parts will now be "
+ (if murk-show-joins "shown" "hidden") "."))
(defun murk-command-connect (params)
(if params
(murk-connect network))
(murk-display-notice nil "Usage: /connect <network>")))
-(defun murk-command-networks (params)
+(defun murk-command-networks (_params)
(murk-display-notice nil "Currently-known networks:")
(dolist (row murk-networks)
- (seq-let (network server port &rest others) row
+ (seq-let (network network port &rest _others) row
(murk-display-notice nil "\t" network
- " [" server
+ " [" network
" " (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 network")
+ (let ((quit-msg (if params (string-join params " ") murk-default-quit-msg)))
+ (murk-send-msg
+ (murk-context-network ctx)
+ (murk-msg nil nil "QUIT" quit-msg))))))
+
+(defun murk-command-join (params)
+ (if params
+ (let ((network (murk-context-network (murk-current-context))))
+ (dolist (channel params)
+ (murk-send-msg network (murk-msg nil nil "JOIN" channel))))
+ (murk-display-notice nil "Usage: /join channel [channel2 ...]")))
+
+(defun murk-command-part (params)
+ (let ((ctx (cond
+ ((not params) (murk-current-context))
+ ((seq-contains (car params) "@") (murk-string->context (car params)))
+ (t (list (murk-context-network (murk-current-context)) (car params))))))
+ (let ((network (murk-context-network ctx))
+ (channel (murk-context-channel ctx)))
+ (if channel
+ (murk-send-msg network (murk-msg nil nil "PART" channel))
+ (murk-display-error "Specify which channel to leave")))))
+
+(defun murk-command-switch-context (params)
+ (if (not params)
+ (murk-display-notice nil "Usage: /switchcontext #channel@network")
+ (let ((ctx (murk-string->context (car params))))
+ (murk-switch-to-context ctx)
+ (murk-highlight-current-context)
+ (murk-render-prompt)
+ (if murk-zoomed
+ (murk-zoom-in (murk-current-context))))))
+
+(defun murk-command-nick (params)
+ (if params
+ (let ((new-nick (string-join params " "))
+ (ctx (murk-current-context)))
+ (if ctx
+ (murk-send-msg (murk-context-network ctx)
+ (murk-msg nil nil "NICK" new-nick))
+ (murk-display-error "No current connection")))
+ (murk-display-notice nil "Usage: /nick <new-nick>")))
+
+(defun murk-command-list (params)
+ (let ((ctx (murk-current-context)))
+ (if ctx
+ (if (not params)
+ (murk-display-notice nil "This command can generate lots of output."
+ " Use `/LIST -yes' if you really want this,"
+ " or `/LIST <channel_regexp>' to reduce the output.")
+ (let ((network (murk-context-network ctx)))
+ (if (equal (upcase (car params)) "-YES")
+ (murk-send-msg network (murk-msg nil nil "LIST"))
+ (murk-send-msg network (murk-msg nil nil "LIST"
+ (car params))))))
+ (murk-display-error "No current connection"))))
+
+(defun murk-command-topic (params)
+ (let ((ctx (murk-current-context)))
+ (if (and ctx (not (murk-network-context-p ctx)))
+ (let ((network (murk-context-network ctx))
+ (channel (murk-context-channel ctx)))
+ (if params
+ (murk-send-msg network
+ (murk-msg nil nil "TOPIC" channel
+ (string-join params " ")))
+ (murk-send-msg network
+ (murk-msg nil nil "TOPIC" channel))))
+ (murk-display-notice nil "No current channel."))))
+
+(defun murk-command-msg (params)
+ (let ((network (murk-context-network (murk-current-context))))
+ (if (and params (>= (length params) 2))
+ (let ((to (car params))
+ (text (string-join (cdr params) " ")))
+ (murk-send-msg network (murk-msg nil nil "PRIVMSG" to text))
+ (murk-display-message network
+ (murk-connection-nick network)
+ to text))
+ (murk-display-notice nil "Usage: /msg <nick> <message>"))))
+
+(defun murk-command-me (params)
+ (let* ((ctx (murk-current-context))
+ (network (murk-context-network ctx)))
+ (if (and ctx (not (murk-network-context-p ctx)))
+ (if params
+ (let* ((channel (murk-context-channel ctx))
+ (my-nick (murk-connection-nick network))
+ (action (string-join params " "))
+ (ctcp-text (concat "\01ACTION " action "\01")))
+ (murk-send-msg network
+ (murk-msg nil nil "PRIVMSG"
+ (list channel ctcp-text)))
+ (murk-display-action network my-nick channel action))
+ (murk-display-notice nil "Usage: /me <action>"))
+ (murk-display-notice nil "No current channel."))))
+
+(defun murk-command-version (params)
+ (let ((ctx (murk-current-context)))
+ (if ctx
+ (if params
+ (let ((network (murk-context-network ctx))
+ (nick (car params)))
+ (murk-send-msg network
+ (murk-msg nil nil "PRIVMSG"
+ (list nick "\01VERSION\01")))
+ (murk-display-notice ctx "CTCP version request sent to "
+ nick " on " network))
+ (murk-display-notice ctx "Usage: /version <nick>"))
+ (murk-display-notice nil "No current channel."))))
+
+(defun murk-command-users (_params)
+ (let ((ctx (murk-current-context)))
+ (if (and ctx (not (murk-network-context-p ctx)))
+ (let ((channel (murk-context-channel ctx))
+ (network (murk-context-network ctx))
+ (users (murk-get-context-users ctx)))
+ (murk-display-notice ctx "Users in " channel " on " network ":")
+ (murk-display-notice ctx (string-join users " ")))
+ (murk-display-notice nil "No current channel."))))
;;; Command entering
nil)))
(if (and command-row (elt command-row 2))
(funcall (elt command-row 2) params)
- (murk-send-msg (murk-msg nil nil (upcase cmd-str) params)))))
+ (murk-send-msg
+ (murk-context-network (murk-current-context))
+ (murk-msg nil nil (upcase cmd-str) params)))))
(_
- (murk-display-error "Badly formed command.")))
+ (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.")))))
+ (let ((ctx (murk-current-context)))
+ (if ctx
+ (if (not (murk-network-context-p ctx))
+ (let ((network (murk-context-network ctx))
+ (channel (murk-context-channel ctx)))
+ (murk-send-msg network
+ (murk-msg nil nil "PRIVMSG" channel string))
+ (murk-display-message network
+ (murk-connection-nick network)
+ channel string))
+ (murk-display-error "No current channel"))
+ (murk-display-error "No current context"))))))
;;; Command history
(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-cycle-contexts-forward ()
+ (interactive)
+ (murk-cycle-contexts)
+ (murk-highlight-current-context)
+ (murk-render-prompt)
+ (if murk-zoomed
+ (murk-zoom-in (murk-current-context))))
+
+(defun murk-cycle-contexts-reverse ()
+ (interactive)
+ (murk-cycle-contexts t)
+ (murk-highlight-current-context)
+ (murk-render-prompt)
+ (if murk-zoomed
+ (murk-zoom-in (murk-current-context))))
+
+(defvar murk-zoomed nil
+ "Keeps track of zoom status.")
+
+(defun murk-toggle-zoom ()
+ (interactive)
+ (if murk-zoomed
+ (murk-zoom-out)
+ (murk-zoom-in (murk-current-context)))
+ (setq murk-zoomed (not murk-zoomed)))
+
+
(defun murk-complete-input ()
(interactive)
(let ((completion-ignore-case t))
(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))
+ (let* ((users (murk-get-context-users (murk-current-context)))
(users-no@ (mapcar
(lambda (u) (car (split-string u "@" t)))
users)))
(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-c C-z") 'murk-toggle-zoom)
+ (define-key map (kbd "<C-up>") 'murk-history-prev)
+ (define-key map (kbd "<C-down>") 'murk-history-next)
+ (define-key map (kbd "<C-tab>") 'murk-cycle-contexts-forward)
+ (define-key map (kbd "<C-S-iso-lefttab>") 'murk-cycle-contexts-reverse)
+ (define-key map (kbd "<C-S-tab>") 'murk-cycle-contexts-reverse)
(when (fboundp 'evil-define-key*)
(evil-define-key* 'motion map
(kbd "TAB") 'murk-complete-input))
;;; Main start procedure
;;
+;;;###autoload
(defun murk ()
"Start murk or just switch to the murk buffer if one already exists."
(interactive)
(murk-setup-buffer))
"Started murk.")
-
;;; murk.el ends here
The Lambda Lab / projects / lurk.git / blobdiff