-;;; lurk.el --- Little Uni-buffer iRc Klient -*- lexical-binding:t -*-
+;;; lurk.el --- Little Unibuffer iRc Klient -*- lexical-binding:t -*-
-;; Copyright (C) 2021 Tim Vaughan
+;; Copyright (C) 2021--2024 plugd
-;; Author: Tim Vaughan <timv@ughan.xyz>
+;; Author: plugd <plugd@thelambdalab.xyz>
;; Created: 14 June 2021
-;; Version: 1.0
-;; Keywords: network
+;; Version: 2.0
;; Homepage: http://thelambdalab.xyz/lurk
-;; 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 'lurk)
+(require 'cl-lib)
+
;;; Customizations
-;;
(defgroup lurk nil
- "Little Uni-buffer iRc Klient."
+ "Multinetwork Unibuffer iRc Klient"
:group 'network)
-(defcustom lurk-nick "plugd"
- "Default nick.")
+(defcustom lurk-default-nick "plugd"
+ "Default nick."
+ :type '(string))
(defcustom lurk-default-quit-msg "Bye"
- "Default quit message when none supplied.")
+ "Default quit message when none supplied."
+ :type '(string))
(defcustom lurk-networks
'(("libera" "irc.libera.chat" 6697)
- ("freenode" "chat.freenode.net" 6697)
("tilde" "tilde.chat" 6697)
- ("mbr" "mbrserver.com" 6667 :notls)
- ("local" "localhost" 6697))
- "IRC networks.")
-
-(defcustom lurk-allow-ipv6 nil
- "Set to non-nil to allow use of IPv6.")
+ ("sdf" "irc.sdf.org" 6697))
+ "IRC networks."
+ :type '(alist :key-type string))
(defcustom lurk-show-joins nil
"Set to non-nil to be notified of joins, parts and quits.")
+(defcustom lurk-display-header t
+ "If non-nil, use buffer header to display current host and channel."
+ :type '(boolean))
+
+(defcustom lurk-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
;;
(defface lurk-text
'((t :inherit default))
- "Face used for Lurk text.")
+ "Face used for lurk text.")
(defface lurk-prompt
- '((t :inherit org-priority))
+ '((t :inherit font-lock-keyword-face))
"Face used for the prompt.")
(defface lurk-context
- '((t :inherit org-tag))
+ '((t :inherit lurk-context))
"Face used for the context name in the prompt.")
(defface lurk-faded
- '((t :inherit org-agenda-dimmed-todo-face))
- "Face used for faded Lurk text.")
+ '((t :inherit shadow))
+ "Face used for faded lurk text.")
+
+(defface lurk-timestamp
+ '((t :inherit shadow))
+ "Face used for timestamps.")
(defface lurk-error
- '((t :inherit font-lock-regexp-grouping-construct))
- "Face used for Lurk error text.")
+ '((t :inherit error))
+ "Face used for lurk error text.")
+
+(defface lurk-notice
+ '((t :inherit warning))
+ "Face used for lurk notice text.")
+
;;; Global variables
;;
-(defvar lurk-version "Lurk v0.1")
+(defvar lurk-version "Lurk v0.0"
+ "Value of this string is used in response to CTCP version queries.")
(defvar lurk-notice-prefix "-!-")
-
(defvar lurk-error-prefix "!!!")
-
-(defvar lurk-prompt-string
- (propertize "> " 'face 'lurk-prompt))
+(defvar lurk-prompt-string ">")
(defvar lurk-debug nil
"If non-nil, enable debug mode.")
-;;; Network process
+
+;;; Utility procedures
;;
-(defvar lurk-response "")
+(defun lurk--filtered-join (&rest args)
+ (string-join (seq-filter (lambda (el) el) args) " "))
-(defun lurk-filter (proc string)
- (dolist (line (split-string (concat lurk-response string) "\n"))
- (if (string-suffix-p "\r" line)
- (lurk-eval-msg-string (string-trim line))
- (setq lurk-response line))))
+(defun lurk--as-string (obj)
+ (if obj
+ (with-output-to-string (princ obj))
+ nil))
-(defun lurk-sentinel (proc string)
- (unless (equal "open" (string-trim string))
- (lurk-display-error "Disconnected from server.")
- (clrhash lurk-contexts)
- (lurk-set-current-context nil)
- (lurk-render-prompt)
- (cancel-timer lurk-ping-timer)))
+
+;;; Network processes
+;;
+
+(defvar lurk-connection-table nil
+ "An alist associating networks to connection information.
+This includes the process and the response string.")
+
+(defun lurk-connection-process (network)
+ (elt (assoc network lurk-connection-table) 1))
+
+(defun lurk-connection-nick (network)
+ (elt (assoc network lurk-connection-table) 2))
+
+(defun lurk-set-connection-nick (network nick)
+ (setf (elt (assoc network lurk-connection-table) 2) nick))
+
+(defun lurk-connection-response (network)
+ (elt (assoc network lurk-connection-table) 3))
+
+(defun lurk-set-connection-response (network string)
+ (setf (elt (assoc network lurk-connection-table) 3) string))
+
+(defun lurk-connection-new (network process nick)
+ (add-to-list 'lurk-connection-table
+ (list network process nick "")))
+
+(defun lurk-connection-remove (network)
+ (setq lurk-connection-table
+ (seq-remove (lambda (row) (equal (car row) network))
+ lurk-connection-table)))
+
+(defun lurk-make-network-filter (network)
+ (lambda (_proc string)
+ (dolist (line (split-string (concat (lurk-connection-response network) string)
+ "\n"))
+ (if (string-suffix-p "\r" line)
+ (lurk-eval-msg-string network (string-trim line))
+ (lurk-set-connection-response network line)))))
+
+(defun lurk-make-network-sentinel (network)
+ (lambda (_proc string)
+ (unless (equal "open" (string-trim string))
+ (lurk-display-error "Disconnected from network.")
+ (lurk-connection-remove network)
+ (lurk-remove-network-contexts network)
+ (lurk-highlight-current-context)
+ (lurk-render-prompt))))
(defun lurk-start-process (network)
(let* ((row (assoc network lurk-networks))
(host (elt row 1))
(port (elt row 2))
(flags (seq-drop row 3)))
- (make-network-process :name "lurk"
+ (make-network-process :name (concat "lurk-" network)
:host host
:service port
- :family (if lurk-allow-ipv6 nil 'ipv4)
- :filter #'lurk-filter
- :sentinel #'lurk-sentinel
+ :family nil
+ :filter (lurk-make-network-filter network)
+ :sentinel (lurk-make-network-sentinel network)
:nowait nil
:tls-parameters (if (memq :notls flags)
nil
:hostname host)))
:buffer "*lurk*")))
-(defvar lurk-ping-timer nil)
(defvar lurk-ping-period 60)
-(defun lurk-ping-function ()
- (lurk-send-msg (lurk-msg nil nil "PING" (car (process-contact (get-process "lurk")))))
- (setq lurk-ping-timer (run-with-timer lurk-ping-period nil #'lurk-ping-function)))
+;; IDEA: Have a single ping timer which pings all connected hosts
(defun lurk-connect (network)
- (if (get-process "lurk")
- (lurk-display-error "Already connected. Disconnect first.")
+ (if (assoc network lurk-connection-table)
+ (lurk-display-error "Already connected to this network")
(if (not (assoc network lurk-networks))
(lurk-display-error "Network '" network "' is unknown.")
- (clrhash lurk-contexts)
- (lurk-set-current-context nil)
- (lurk-start-process network)
- (lurk-send-msg (lurk-msg nil nil "USER" lurk-nick 0 "*" lurk-nick))
- (lurk-send-msg (lurk-msg nil nil "NICK" lurk-nick))
- (setq lurk-ping-timer (run-with-timer lurk-ping-period nil #'lurk-ping-function)))))
-
-(defun lurk-connected-p ()
- (let ((proc (get-process "lurk")))
- (and proc (eq (process-status proc) 'open))))
-
-(defun lurk-send-msg (msg)
+ (let ((proc (lurk-start-process network)))
+ (lurk-connection-new network proc lurk-default-nick))
+ (lurk-send-msg network (lurk-msg nil nil "USER" lurk-default-nick 0 "*" lurk-default-nick))
+ (lurk-send-msg network (lurk-msg nil nil "NICK" lurk-default-nick))
+ (lurk-add-context (list network))
+ (lurk-highlight-current-context)
+ (lurk-render-prompt))))
+
+(defun lurk-send-msg (network msg)
(if lurk-debug
- (lurk-display-string nil (lurk-msg->string msg)))
- (let ((proc (get-process "lurk")))
+ (lurk-display-string nil nil (lurk-msg->string msg)))
+ (let ((proc (lurk-connection-process network)))
(if (and proc (eq (process-status proc) 'open))
(process-send-string proc (concat (lurk-msg->string msg) "\r\n"))
- (lurk-display-error "No server connection established.")
- (error "No server connection established"))))
+ (lurk-display-error "No network connection established"))))
-;;; Server messages
+;;; network messages
;;
-(defun lurk--as-string (obj)
- (if obj
- (with-output-to-string (princ obj))
- nil))
-
(defun lurk-msg (tags src cmd &rest params)
(list (lurk--as-string tags)
(lurk--as-string src)
(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 LURK doesn't use this.")
+portion of the source component of the message, as lurk doesn't use this.")
(defun lurk-string->msg (string)
(if (string-match lurk-msg-regex string)
(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 #'lurk-msg (append (list tags src cmd) params)))
- (error "Failed to parse string " string)))
-
-(defun lurk--filtered-join (&rest args)
- (string-join (seq-filter (lambda (el) el) args) " "))
+ (error "Failed to parse string %s" string)))
(defun lurk-msg->string (msg)
(let ((tags (lurk-msg-tags msg))
;;; Contexts
;;
-(defvar lurk-current-context nil)
-(defvar lurk-contexts (make-hash-table :test #'equal))
-
-(defun lurk-add-context (name)
- (puthash name nil lurk-contexts))
-
-(defun lurk-del-context (name)
- (remhash name lurk-contexts))
-
-(defun lurk-get-context-users (name)
- (gethash name lurk-contexts))
-
-(defun lurk-add-context-users (context users)
- (puthash context
- (append users
- (gethash context lurk-contexts))
- lurk-contexts))
-
-(defun lurk-del-context-user (context user)
- (puthash context
- (remove user (gethash context lurk-contexts))
- lurk-contexts))
-
-(defun lurk-del-user (user)
- (dolist (context (lurk-get-context-list))
- (lurk-del-context-user context user)))
-
-(defun lurk-rename-user (old-nick new-nick)
- (dolist (context (lurk-get-context-list))
- (lurk-del-context-user context old-nick)
- (lurk-add-context-users context (list new-nick))))
-
-(defun lurk-get-context-type (name)
- (cond
- ((string-prefix-p "#" name) 'channel)
- ((string-match-p (rx (or "." "localhost")) name) 'host)
- (t 'nick)))
-
-(defun lurk-get-context-list ()
- (let ((res nil))
- (maphash (lambda (key val)
- (cl-pushnew key res))
- lurk-contexts)
- res))
-
-(defun lurk-get-next-context (&optional prev)
- (if lurk-current-context
- (let* ((context-list (if prev
- (reverse (lurk-get-context-list))
- (lurk-get-context-list)))
- (context-list* (member lurk-current-context context-list)))
- (if (> (length context-list*) 1)
- (cadr context-list*)
- (car context-list)))
+;; 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 network has a special context (network) used for messages
+;; to/from the network itself.
+
+(defvar lurk-contexts nil
+ "List of currently-available contexts.
+The head of this list is always the current context.")
+
+(defun lurk-current-context ()
+ "Return the current context."
+ (if lurk-contexts
+ (car lurk-contexts)
nil))
-(defun lurk-set-current-context (context)
- (setq lurk-current-context context)
- (lurk-highlight-context context)
- (if lurk-zoomed
- (lurk-zoom-in lurk-current-context)))
+(defun lurk-contexts-equal (c1 c2)
+ (if (lurk-network-context-p c1)
+ (and (lurk-network-context-p c2)
+ (equal (lurk-context-network c1)
+ (lurk-context-network c2)))
+ (and (not (lurk-network-context-p c2))
+ (equal (seq-take c1 2)
+ (seq-take c2 2)))))
+
+(defun lurk-context-network (ctx)
+ (elt ctx 0))
+
+(defun lurk-context-channel (ctx)
+ (elt ctx 1))
+
+(defun lurk-network-context-p (ctx)
+ (not (cdr ctx)))
+
+(defun lurk-add-context (ctx)
+ (add-to-list 'lurk-contexts ctx))
+
+(defun lurk-remove-context (ctx)
+ (setq lurk-contexts
+ (seq-remove
+ (lambda (this-ctx)
+ (lurk-contexts-equal this-ctx ctx))
+ lurk-contexts)))
+
+(defun lurk-remove-network-contexts (network)
+ (setq lurk-contexts
+ (seq-remove (lambda (row) (equal (car row) network))
+ lurk-contexts)))
+
+(defun lurk-context->string (ctx)
+ (concat
+ (if (lurk-network-context-p ctx)
+ ""
+ (concat (lurk-context-channel ctx) "@"))
+ (lurk-context-network ctx)))
+
+(defun lurk-string->context (string)
+ (if (not (string-prefix-p "#" string))
+ (lurk-get-context string)
+ (let* ((parts (string-split string "@"))
+ (channel (elt parts 0))
+ (network (elt parts 1)))
+ (lurk-get-context network channel))))
+
+(defun lurk-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))
+ lurk-contexts))
+ (car (member (list network) lurk-contexts))))
+
+(defun lurk-cycle-contexts (&optional reverse)
+ (setq lurk-contexts
+ (if reverse
+ (let ((nminus1 (- (length lurk-contexts) 1)))
+ (cons
+ (elt lurk-contexts nminus1)
+ (seq-take lurk-contexts nminus1)))
+ (append (cdr lurk-contexts) (list (car lurk-contexts))))))
+
+(defun lurk-switch-to-context (ctx)
+ (setq lurk-contexts
+ (let* ((new-head (memq ctx lurk-contexts))
+ (new-tail (take (- (length lurk-contexts)
+ (length new-head))
+ lurk-contexts)))
+ (append new-head new-tail))))
+
+
+;;; Context users
+;;
-(defun lurk-cycle-contexts (&optional rev)
- (if lurk-current-context
- (progn
- (lurk-set-current-context (lurk-get-next-context rev))
- (lurk-render-prompt))
- (lurk-display-error "No channels joined.")))
+(defvar lurk-context-users nil
+ "Association list between channel contexts and users.")
+
+(defun lurk-get-context-users (ctx)
+ (cdr (assoc ctx lurk-context-users)))
+
+(defun lurk-set-context-users (ctx users)
+ (setq lurk-context-users
+ (cons (cons ctx users) (assoc-delete-all ctx lurk-context-users))))
+
+(defun lurk-add-context-users (ctx users)
+ (lurk-set-context-users
+ ctx
+ (cl-union users (lurk-get-context-users ctx))))
+
+(defun lurk-del-context-user (ctx user)
+ (lurk-set-context-users
+ ctx
+ (delete user (lurk-get-context-users ctx))))
+
+(defun lurk-del-all-context-users (ctx)
+ (lurk-set-context-users ctx nil))
+
+(defun lurk-del-network-user (network user)
+ (dolist (ctx lurk-contexts)
+ (if (and (equal (lurk-context-network ctx) network)
+ (not (lurk-network-context-p ctx)))
+ (lurk-del-context-user ctx user))))
+
+(defun lurk-del-all-network-users (network)
+ (dolist (ctx lurk-contexts)
+ (if (and (equal (lurk-context-network ctx) network)
+ (not (lurk-network-context-p ctx)))
+ (lurk-del-all-context-users ctx))))
+
+(defun lurk-rename-network-user (network old-nick new-nick)
+ (dolist (ctx lurk-contexts)
+ (when (and (equal (lurk-context-network ctx) network)
+ (member old-nick (lurk-get-context-users ctx)))
+ (lurk-del-context-user ctx old-nick)
+ (lurk-add-context-users ctx (list new-nick)))))
;;; Buffer
;;
+(defvar lurk-prompt-marker nil
+ "Marker for prompt position in lurk buffer.")
+
+(defvar lurk-input-marker nil
+ "Marker for prompt position in lurk buffer.")
+
(defun lurk-render-prompt ()
(with-current-buffer "*lurk*"
(let ((update-point (= lurk-input-marker (point)))
(delete-region lurk-prompt-marker lurk-input-marker)
(goto-char lurk-prompt-marker)
(insert
- (propertize (if lurk-current-context
- lurk-current-context
- "")
+ (propertize (let ((ctx (lurk-current-context)))
+ (if ctx
+ (lurk-context->string ctx)
+ ""))
'face 'lurk-context
'read-only t)
(propertize lurk-prompt-string
'face 'lurk-prompt
+ 'read-only t)
+ (propertize " " ; Need this to be separate to mark it as rear-nonsticky
'read-only t
'rear-nonsticky t)))
(set-marker-insertion-type lurk-input-marker nil))
(if (car v)
(set-window-point (cadr v) lurk-input-marker))))))
-(defvar lurk-prompt-marker nil
- "Marker for prompt position in LURK buffer.")
-
-(defvar lurk-input-marker nil
- "Marker for prompt position in LURK buffer.")
+(defun lurk-setup-header ()
+ (with-current-buffer "*lurk*"
+ (setq-local header-line-format
+ '((:eval
+ (let* ((ctx (lurk-current-context)))
+ (if ctx
+ (let ((network (lurk-context-network ctx)))
+ (concat
+ "Network: " network ", "
+ (if (lurk-network-context-p ctx)
+ "network"
+ (concat
+ "Channel: "
+ (lurk-context-channel ctx)
+ " ("
+ (number-to-string
+ (length (lurk-get-context-users ctx)))
+ ")"))))
+ "No connection")))))))
(defun lurk-setup-buffer ()
(with-current-buffer (get-buffer-create "*lurk*")
(set-marker lurk-input-marker (point-max))
(setq lurk-input-marker (point-max-marker)))
(goto-char (point-max))
- (lurk-render-prompt)))
+ (lurk-highlight-current-context)
+ (lurk-render-prompt)
+ (if lurk-display-header
+ (lurk-setup-header))))
+
+(defun lurk-clear-buffer ()
+ "Completely erase all non-prompt and non-input text from lurk buffer."
+ (with-current-buffer "*lurk*"
+ (let ((inhibit-read-only t))
+ (delete-region (point-min) lurk-prompt-marker))))
;;; Output formatting and highlighting
;;
-;; Partially-implemented 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.
+;; 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
"List of seen contexts and associated face lists.")
(defun lurk-get-context-facelist (context)
- (let ((facelist (gethash context lurk-context-facelists)))
+ (let* ((facelist (gethash context lurk-context-facelists)))
(unless facelist
(setq facelist (list 'lurk-text))
(puthash context facelist lurk-context-facelists))
facelist))
-(defun lurk-display-string (context &rest strings)
- (with-current-buffer (get-buffer-create "*lurk*")
+(defun lurk--fill-strings (col indent &rest strings)
+ (with-temp-buffer
+ (setq buffer-invisibility-spec nil)
+ (let ((fill-column col)
+ (adaptive-fill-regexp (rx-to-string `(= ,indent anychar))))
+ (apply #'insert strings)
+ (fill-region (point-min) (point-max) nil t)
+ (buffer-string))))
+
+(defun lurk-display-string (context prefix &rest strings)
+ (with-current-buffer "*lurk*"
(save-excursion
(goto-char lurk-prompt-marker)
- (let ((inhibit-read-only t)
- (old-pos (marker-position lurk-prompt-marker))
- (adaptive-fill-regexp (rx (= 6 anychar)))
- (fill-column 80)
- (context-atom (if context (intern context) nil)))
+ (let* ((inhibit-read-only t)
+ (old-pos (marker-position lurk-prompt-marker))
+ (padded-timestamp (concat (format-time-string "%H:%M ")))
+ (padded-prefix (if prefix (concat prefix " ") ""))
+ (context-atom (if context
+ (intern (lurk-context->string context))
+ nil))
+ (context-face (lurk-get-context-facelist context)))
(insert-before-markers
- (propertize (concat (format-time-string "%H:%M") " ")
- 'face (lurk-get-context-facelist context)
- 'read-only t
- 'context context
- 'invisible context-atom)
- (propertize (concat (lurk-buttonify-urls (apply #'concat strings)) "\n")
- 'face (lurk-get-context-facelist context)
- 'read-only t
- 'context context
- 'invisible context-atom))
- (fill-region old-pos lurk-prompt-marker nil t)))))
-
-(defun lurk-display-message (from to text)
- (let ((context (if (eq 'channel (lurk-get-context-type to))
- to
- (if (equal to lurk-nick) from to))))
+ (lurk--fill-strings
+ 80
+ (+ (length padded-timestamp)
+ (length padded-prefix))
+ (propertize padded-timestamp
+ 'face 'lurk-timestamp
+ 'read-only t
+ 'context context
+ 'invisible context-atom)
+ (propertize padded-prefix
+ 'read-only t
+ 'context context
+ 'invisible context-atom)
+ (lurk-add-formatting
+ (propertize (concat (apply #'lurk-buttonify-urls strings) "\n")
+ 'face context-face
+ 'read-only t
+ 'context context
+ 'invisible context-atom)))))))
+ (lurk-scroll-windows-to-last-line))
+
+(defun lurk-click-context (button)
+ (lurk-switch-to-context (button-get button 'context))
+ (lurk-highlight-current-context)
+ (lurk-render-prompt)
+ (if lurk-zoomed
+ (lurk-zoom-in (lurk-current-context))))
+
+(defun lurk-make-context-button (context &optional string)
+ (with-temp-buffer
+ (let ((label (or string (lurk-context->string context))))
+ (insert-text-button label
+ 'action #'lurk-click-context
+ 'context context
+ 'follow-link t
+ 'help-echo "Switch context"))
+ (buffer-string)))
+
+(defun lurk-display-message (network from to text)
+ (let ((context (if (string-prefix-p "#" to)
+ (lurk-get-context network to)
+ (lurk-get-context network))))
(lurk-display-string
context
- (pcase (lurk-get-context-type to)
- ('channel (concat to " <" from "> "))
- ('nick (concat "[" from " -> " to "] "))
- (_
- (error "Unsupported context type")))
+ (propertize
+ (if (lurk-network-context-p context)
+ (concat "[" from "->" to "]")
+ (concat
+ (lurk-make-context-button context)
+ " <" from ">"))
+ 'face (lurk-get-context-facelist context))
text)))
-(defun lurk-display-action (from to action-text)
- (let ((context (if (eq 'channel (lurk-get-context-type to))
- to
- (if (equal to lurk-nick) from to))))
+(defun lurk-display-action (network from to action-text)
+ (let ((context (if (string-prefix-p "#" to)
+ (lurk-get-context network to)
+ (lurk-get-context network))))
(lurk-display-string
context
- "* " from " " action-text)))
-
+ (propertize
+ (concat (lurk-context->string context) " *")
+ 'face (lurk-get-context-facelist context))
+ from " " action-text)))
(defun lurk-display-notice (context &rest notices)
(lurk-display-string
context
- lurk-notice-prefix " "
+ (propertize lurk-notice-prefix 'face 'lurk-notice)
(apply #'concat notices)))
(defun lurk-display-error (&rest messages)
(lurk-display-string
nil
- lurk-error-prefix " "
+ (propertize lurk-error-prefix 'face 'lurk-error)
(apply #'concat messages)))
-(defun lurk-highlight-context (context)
- (maphash
- (lambda (this-context facelist)
- (if (equal this-context context)
- (setcar facelist 'lurk-text)
- (setcar facelist 'lurk-faded)))
- lurk-context-facelists)
+(defun lurk-highlight-current-context ()
+ (with-current-buffer "*lurk*"
+ (maphash
+ (lambda (this-context facelist)
+ (if (equal this-context (lurk-current-context))
+ (setcar facelist 'lurk-text)
+ (setcar facelist 'lurk-faded)))
+ lurk-context-facelists))
(force-window-update "*lurk*"))
(defun lurk-zoom-in (context)
(maphash
(lambda (this-context _)
(when this-context
- (let ((this-context-atom (intern this-context)))
+ (let ((this-context-atom
+ (intern (lurk-context->string this-context))))
(if (equal this-context context)
(remove-from-invisibility-spec this-context-atom)
(add-to-invisibility-spec this-context-atom)))))
lurk-context-facelists)
- (force-window-update "*lurk*")))
+ (force-window-update "*lurk*"))
+ (lurk-scroll-windows-to-last-line))
(defun lurk-zoom-out ()
(with-current-buffer "*lurk*"
(maphash
(lambda (this-context _)
- (let ((this-context-atom (if this-context (intern this-context) nil)))
+ (let ((this-context-atom
+ (if this-context
+ (intern (lurk-context->string this-context))
+ nil)))
(remove-from-invisibility-spec this-context-atom)))
lurk-context-facelists)
- (force-window-update "*lurk*")))
+ (force-window-update "*lurk*"))
+ (lurk-scroll-windows-to-last-line))
+
+(defun lurk--start-of-final-line ()
+ (with-current-buffer "*lurk*"
+ (save-excursion
+ (goto-char (point-max))
+ (line-beginning-position))))
+
+(defun lurk-scroll-windows-to-last-line ()
+ (with-current-buffer "*lurk*"
+ (dolist (window (get-buffer-window-list))
+ (if (>= (window-point window) (lurk--start-of-final-line))
+ (with-selected-window window
+ (recenter -1))))))
(defconst lurk-url-regex
(rx (:
(opt (group (: ":" (+ digit))))
(opt (group (: "/"
(opt
- (* (any alnum ",.-~/@|:%#=&_"))
- (+ (any alnum "-~/@|:%#=&")))))))))
+ (* (any alnum "-/.,#:%=&_?~@+"))
+ (any alnum "-/#:%=&_~@+")))))))
+ "Imperfect regex used to find URLs in plain text.")
(defun lurk-click-url (button)
(browse-url (button-get button 'url)))
-(defun lurk-buttonify-urls (string)
+(defun lurk-buttonify-urls (&rest strings)
"Turn substrings which look like urls in STRING into clickable buttons."
(with-temp-buffer
- (insert string)
+ (apply #'insert strings)
(goto-char (point-min))
(while (re-search-forward lurk-url-regex nil t)
(let ((url (match-string 0)))
'help-echo "Open URL in browser.")))
(buffer-string)))
+(defun lurk-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 lurk-eval-msg-string (string)
+(defun lurk-eval-msg-string (network string)
(if lurk-debug
- (lurk-display-string nil string))
+ (lurk-display-string nil nil string))
(let* ((msg (lurk-string->msg string)))
+ (lurk-process-autoreplies network msg)
(pcase (lurk-msg-cmd msg)
("PING"
- (lurk-send-msg
+ (lurk-send-msg network
(lurk-msg nil nil "PONG" (lurk-msg-params msg))))
- ;; (lurk-display-notice nil "ping-pong (server initiated)"))
("PONG")
- ;; (lurk-display-notice nil "ping-pong (client initiated)"))
- ("001"
+ ("001" ; RPL_WELCOME
(let* ((params (lurk-msg-params msg))
(nick (elt params 0))
(text (string-join (seq-drop params 1) " ")))
- (setq lurk-nick nick)
- (lurk-display-notice nil text)))
+ (lurk-set-connection-nick network nick)
+ (lurk-display-notice (lurk-get-context network) text))
+ (let* ((row (assoc network lurk-networks))
+ (channels (if (memq :channels row)
+ (cdr (memq :channels row))
+ nil)))
+ (dolist (channel channels)
+ (lurk-command-join (list channel)))))
("353" ; NAMEREPLY
(let* ((params (lurk-msg-params msg))
(channel (elt params 2))
- (names (split-string (elt params 3))))
- (lurk-add-context-users channel names)))
+ (names (split-string (elt params 3)))
+ (ctx (lurk-get-context network channel)))
+ (if ctx
+ (lurk-add-context-users ctx names)
+ (lurk-display-notice ctx "Users in " channel
+ ": " (string-join names " ")))))
("366" ; ENDOFNAMES
(let* ((params (lurk-msg-params msg))
- (channel (elt params 1)))
- (lurk-display-notice
- channel
- (lurk--as-string (length (lurk-get-context-users channel)))
- " users in " channel)))
-
- ("331"
+ (channel (elt params 1))
+ (ctx (lurk-get-context network channel)))
+ (if ctx
+ (lurk-display-notice
+ ctx
+ (lurk--as-string (length (lurk-get-context-users ctx)))
+ " users in " channel)
+ (lurk-display-notice (lurk-get-context network)
+ "End of " channel " names list."))))
+
+ ("331" ; RPL_NOTOPIC
(let* ((params (lurk-msg-params msg))
- (channel (elt params 1)))
- (lurk-display-notice
- channel
- "No topic set.")))
+ (channel (elt params 1))
+ (ctx (lurk-get-context network channel)))
+ (lurk-display-notice ctx "No topic set.")))
- ("332"
+ ("332" ; RPL_TOPIC
(let* ((params (lurk-msg-params msg))
(channel (elt params 1))
- (topic (elt params 2)))
- (lurk-display-notice channel "Topic: " topic)))
-
- ("333") ; Avoid displaying these
+ (topic (elt params 2))
+ (ctx (lurk-get-context network channel)))
+ (lurk-display-notice ctx "Topic: " topic)))
((rx (= 3 (any digit)))
- (lurk-display-notice nil (mapconcat 'identity (cdr (lurk-msg-params msg)) " ")))
+ (lurk-display-notice (lurk-get-context network)
+ (mapconcat 'identity (cdr (lurk-msg-params msg)) " ")))
((and "JOIN"
- (guard (equal lurk-nick (lurk-msg-src msg))))
- (let ((channel (car (lurk-msg-params msg))))
- (lurk-add-context channel)
- (lurk-set-current-context channel)
- (lurk-display-notice channel "Joining channel " channel)
+ (guard (equal (lurk-connection-nick network)
+ (lurk-msg-src msg))))
+ (let* ((channel (car (lurk-msg-params msg)))
+ (context (list network channel)))
+ (lurk-add-context context)
+ (lurk-del-all-context-users context)
+ (lurk-display-notice (lurk-current-context)
+ "Joining channel " channel " on " network)
+ (lurk-highlight-current-context)
(lurk-render-prompt)))
("JOIN"
- (let ((channel (car (lurk-msg-params msg)))
- (nick (lurk-msg-src msg)))
- (lurk-add-context-users channel (list nick))
+ (let* ((channel (car (lurk-msg-params msg)))
+ (nick (lurk-msg-src msg))
+ (ctx (lurk-get-context network channel)))
+ (lurk-add-context-users ctx (list nick))
(if lurk-show-joins
- (lurk-display-notice channel nick " joined channel " channel))))
+ (lurk-display-notice ctx nick " joined channel " channel
+ " on " network))))
((and "PART"
- (guard (equal lurk-nick (lurk-msg-src msg))))
- (let ((channel (car (lurk-msg-params msg))))
- (lurk-display-notice channel "Left channel " channel)
- (lurk-del-context channel)
- (if (equal channel lurk-current-context)
- (lurk-set-current-context (lurk-get-next-context)))
+ (guard (equal (lurk-connection-nick network)
+ (lurk-msg-src msg))))
+ (let* ((channel (car (lurk-msg-params msg)))
+ (context (list network channel)))
+ (lurk-display-notice context "Left channel " channel)
+ (lurk-remove-context context)
+ (lurk-del-all-context-users context)
+ (lurk-highlight-current-context)
(lurk-render-prompt)))
("PART"
- (let ((channel (car (lurk-msg-params msg)))
- (nick (lurk-msg-src msg)))
- (lurk-del-context-user channel nick)
+ (let* ((channel (car (lurk-msg-params msg)))
+ (nick (lurk-msg-src msg))
+ (ctx (lurk-get-context network channel)))
+ (lurk-del-context-user ctx nick)
(if lurk-show-joins
- (lurk-display-notice channel nick " left channel " channel))))
-
- ("QUIT"
- (let ((nick (lurk-msg-src msg))
- (reason (mapconcat 'identity (lurk-msg-params msg) " ")))
- (lurk-del-user nick)
- (if lurk-show-joins
- (lurk-display-notice nil nick " quit: " reason))))
+ (lurk-display-notice ctx nick " left channel " channel
+ " on " network))))
((and "NICK"
- (guard (equal lurk-nick (lurk-msg-src msg))))
- (setq lurk-nick (car (lurk-msg-params msg)))
- (lurk-display-notice nil "Set nick to " lurk-nick))
+ (guard (equal (lurk-connection-nick network)
+ (lurk-msg-src msg))))
+ (let ((new-nick (car (lurk-msg-params msg)))
+ (old-nick (lurk-connection-nick network)))
+ (lurk-set-connection-nick network new-nick)
+ (lurk-rename-network-user network old-nick new-nick)
+ (lurk-display-notice (lurk-get-context network)
+ "Nick set to " new-nick " on " network)))
("NICK"
(let ((old-nick (lurk-msg-src msg))
(new-nick (car (lurk-msg-params msg))))
- (lurk-display-notice nil old-nick " is now known as " new-nick)
- (lurk-rename-user old-nick new-nick)))
+ (lurk-display-notice (lurk-get-context network)
+ old-nick " is now known as " new-nick
+ " on " network)
+ (lurk-rename-network-user network old-nick new-nick)))
+
+ ("TOPIC"
+ (let ((channel (car (lurk-msg-params msg)))
+ (nick (lurk-msg-src msg))
+ (topic (cadr (lurk-msg-params msg))))
+ (lurk-display-notice (lurk-get-context network channel)
+ nick " set the topic: " topic)))
+
+ ("QUIT"
+ (let ((nick (lurk-msg-src msg))
+ (reason (mapconcat 'identity (lurk-msg-params msg) " ")))
+ (lurk-del-network-user network nick)
+ (if lurk-show-joins
+ (lurk-display-notice (lurk-get-context network)
+ nick " on " network " has quit: " reason))))
("NOTICE"
(let ((nick (lurk-msg-src msg))
((rx (: "\01VERSION "
(let version (* (not "\01")))
"\01"))
- (lurk-display-notice nil "CTCP version reply from " nick ": " version))
+ (lurk-display-notice (lurk-get-context network)
+ "CTCP version reply from " nick ": " version))
(_
- (lurk-display-notice nil text)))))
+ (lurk-display-notice (lurk-get-context network channel) text)))))
("PRIVMSG"
(let* ((from (lurk-msg-src msg))
(pcase text
("\01VERSION\01"
(let ((version-string (concat lurk-version " - running on GNU Emacs " emacs-version)))
- (lurk-send-msg (lurk-msg nil nil "NOTICE"
+ (lurk-send-msg network
+ (lurk-msg nil nil "NOTICE"
(list from (concat "\01VERSION "
version-string
"\01")))))
- (lurk-display-notice nil "CTCP version request received from " from))
+ (lurk-display-notice (lurk-get-context network)
+ "CTCP version request received from "
+ from " on " network))
((rx (let ping (: "\01PING " (* (not "\01")) "\01")))
- (lurk-send-msg (lurk-msg nil nil "NOTICE" (list from ping)))
- (lurk-display-notice from "CTCP ping received from " from))
+ (lurk-send-msg network (lurk-msg nil nil "NOTICE" (list from ping)))
+ (lurk-display-notice (lurk-get-context network)
+ "CTCP ping received from " from " on " network))
("\01USERINFO\01"
- (lurk-display-notice from "CTCP userinfo request from " from " (no response sent)"))
+ (lurk-display-notice (lurk-get-context network)
+ "CTCP userinfo request from " from
+ " on " network " (no response sent)"))
+
+ ("\01CLIENTINFO\01"
+ (lurk-display-notice (lurk-get-context network)
+ "CTCP clientinfo request from " from
+ " on " network " (no response sent)"))
((rx (: "\01ACTION " (let action-text (* (not "\01"))) "\01"))
- (lurk-display-action from to action-text))
+ (lurk-display-action network from to action-text))
(_
- (lurk-display-message from to text)))))
+ (lurk-display-message network from to text)))))
+
(_
- (lurk-display-notice nil (lurk-msg->string msg))))))
+ (lurk-display-notice (lurk-get-context network)
+ (lurk-msg->string msg))))))
+
+
+;;; User-defined responses
+;;
+
+(defun lurk--lists-equal (l1 l2)
+ (if (and l1 l2)
+ (if (or (not (and (car l1) (car l2)))
+ (string-match (car l1) (car l2)))
+ (lurk--lists-equal (cdr l1) (cdr l2))
+ nil)
+ t))
+
+(defun lurk-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)))
+ (lurk--lists-equal (cdr matcher)
+ (append (list (lurk-msg-src msg)
+ (lurk-msg-cmd msg))
+ (lurk-msg-params msg))))
+ (lurk-send-msg network
+ (lurk-msg nil nil (car reply) (cdr reply)))))))
+
+(defun lurk-process-autoreplies (network msg)
+ (mapc
+ (lambda (autoreply)
+ (lurk-process-autoreply network msg autoreply))
+ lurk-autoreply-table))
+
+
+;;; Commands
+;;
+
+(defvar lurk-command-table
+ '(("DEBUG" "Toggle debug mode on/off." lurk-command-debug lurk-boolean-completions)
+ ("HEADER" "Toggle display of header." lurk-command-header lurk-boolean-completions)
+ ("SHOWJOINS" "Toggles display of joins/parts." lurk-command-showjoins lurk-boolean-completions)
+ ("NETWORKS" "List known IRC networks." lurk-command-networks)
+ ("CONNECT" "Connect to an IRC network." lurk-command-connect lurk-network-completions)
+ ("QUIT" "Disconnect from current network." lurk-command-quit)
+ ("JOIN" "Join one or more channels." lurk-command-join)
+ ("PART" "Leave channel." lurk-command-part lurk-channel-completions)
+ ("SWITCHCONTEXT" "Switch current context" lurk-command-switch-context lurk-context-completions)
+ ("NICK" "Change nick." lurk-command-nick)
+ ("LIST" "Display details of one or more channels." lurk-command-list)
+ ("TOPIC" "Set/query topic for current channel." lurk-command-topic)
+ ("USERS" "List nicks of users in current channel." lurk-command-users)
+ ("MSG" "Send private message to user." lurk-command-msg lurk-nick-completions)
+ ("ME" "Display action." lurk-command-me)
+ ("VERSION" "Request version of another user's client via CTCP." lurk-command-version lurk-nick-completions)
+ ("CLEAR" "Clear buffer text." lurk-command-clear lurk-context-completions)
+ ("HELP" "Display help on client commands." lurk-command-help lurk-help-completions))
+ "Table of commands explicitly supported by lurk.")
+
+(defun lurk-boolean-completions ()
+ '("on" "off"))
+
+(defun lurk-network-completions ()
+ (mapcar (lambda (row) (car row)) lurk-networks))
+
+(defun lurk-help-completions ()
+ (mapcar (lambda (row) (car row)) lurk-command-table))
+
+(defun lurk-channel-completions ()
+ (mapcar (lambda (ctx)
+ (lurk-context->string ctx))
+ (seq-filter (lambda (ctx)
+ (not (lurk-network-context-p ctx)))
+ lurk-contexts)))
+
+(defun lurk-context-completions ()
+ (mapcar (lambda (ctx) (lurk-context->string ctx)) lurk-contexts))
+
+(defun lurk-command-help (params)
+ (if params
+ (let* ((cmd-str (upcase (car params)))
+ (row (assoc cmd-str lurk-command-table #'equal)))
+ (if row
+ (progn
+ (lurk-display-notice nil "Help for \x02" cmd-str "\x02:")
+ (lurk-display-notice nil " " (elt row 1)))
+ (lurk-display-notice nil "No such (client-interpreted) command.")))
+ (lurk-display-notice nil "Client-interpreted commands:")
+ (dolist (row lurk-command-table)
+ (lurk-display-notice nil " \x02" (elt row 0) "\x02: " (elt row 1)))
+ (lurk-display-notice nil "Use /HELP COMMAND to display information about a specific command.")))
+
+(defun lurk-command-debug (params)
+ (setq lurk-debug
+ (if params
+ (if (equal (upcase (car params)) "ON")
+ t
+ nil)
+ (not lurk-debug)))
+ (lurk-display-notice nil "Debug mode now " (if lurk-debug "on" "off") "."))
+
+(defun lurk-command-header (params)
+ (if
+ (if params
+ (equal (upcase (car params)) "ON")
+ (not header-line-format))
+ (progn
+ (lurk-setup-header)
+ (lurk-display-notice nil "Header enabled."))
+ (setq-local header-line-format nil)
+ (lurk-display-notice nil "Header disabled.")))
+
+(defun lurk-command-showjoins (params)
+ (setq lurk-show-joins
+ (if params
+ (if (equal (upcase (car params)) "ON")
+ t
+ nil)
+ (not lurk-show-joins)))
+ (lurk-display-notice nil "Joins/parts will now be "
+ (if lurk-show-joins "shown" "hidden") "."))
+
+(defun lurk-command-connect (params)
+ (if params
+ (let ((network (car params)))
+ (lurk-display-notice nil "Attempting to connect to " network "...")
+ (lurk-connect network))
+ (lurk-display-notice nil "Usage: /connect <network>")))
+
+(defun lurk-command-networks (_params)
+ (lurk-display-notice nil "Currently-known networks:")
+ (dolist (row lurk-networks)
+ (seq-let (network network port &rest _others) row
+ (lurk-display-notice nil "\t" network
+ " [" network
+ " " (number-to-string port) "]")))
+ (lurk-display-notice nil "(Modify the `lurk-networks' variable to add more.)"))
+
+(defun lurk-command-quit (params)
+ (let ((ctx (lurk-current-context)))
+ (if (not ctx)
+ (lurk-display-error "No current network")
+ (let ((quit-msg (if params (string-join params " ") lurk-default-quit-msg)))
+ (lurk-send-msg
+ (lurk-context-network ctx)
+ (lurk-msg nil nil "QUIT" quit-msg))))))
+
+(defun lurk-command-join (params)
+ (if params
+ (let ((network (lurk-context-network (lurk-current-context))))
+ (dolist (channel params)
+ (lurk-send-msg network (lurk-msg nil nil "JOIN" channel))))
+ (lurk-display-notice nil "Usage: /join channel [channel2 ...]")))
+
+(defun lurk-command-part (params)
+ (let ((ctx (cond
+ ((not params) (lurk-current-context))
+ ((seq-contains (car params) "@") (lurk-string->context (car params)))
+ (t (list (lurk-context-network (lurk-current-context)) (car params))))))
+ (let ((network (lurk-context-network ctx))
+ (channel (lurk-context-channel ctx)))
+ (if channel
+ (lurk-send-msg network (lurk-msg nil nil "PART" channel))
+ (lurk-display-error "Specify which channel to leave")))))
+
+(defun lurk-command-switch-context (params)
+ (if (not params)
+ (lurk-display-notice nil "Usage: /switchcontext #channel@network")
+ (let ((ctx (lurk-string->context (car params))))
+ (lurk-switch-to-context ctx)
+ (lurk-highlight-current-context)
+ (lurk-render-prompt)
+ (if lurk-zoomed
+ (lurk-zoom-in (lurk-current-context))))))
+
+(defun lurk-command-nick (params)
+ (if params
+ (let ((new-nick (string-join params " "))
+ (ctx (lurk-current-context)))
+ (if ctx
+ (lurk-send-msg (lurk-context-network ctx)
+ (lurk-msg nil nil "NICK" new-nick))
+ (lurk-display-error "No current connection")))
+ (lurk-display-notice nil "Usage: /nick <new-nick>")))
+
+(defun lurk-command-list (params)
+ (let ((ctx (lurk-current-context)))
+ (if ctx
+ (if (not params)
+ (lurk-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 (lurk-context-network ctx)))
+ (if (equal (upcase (car params)) "-YES")
+ (lurk-send-msg network (lurk-msg nil nil "LIST"))
+ (lurk-send-msg network (lurk-msg nil nil "LIST"
+ (car params))))))
+ (lurk-display-error "No current connection"))))
+
+(defun lurk-command-topic (params)
+ (let ((ctx (lurk-current-context)))
+ (if (and ctx (not (lurk-network-context-p ctx)))
+ (let ((network (lurk-context-network ctx))
+ (channel (lurk-context-channel ctx)))
+ (if params
+ (lurk-send-msg network
+ (lurk-msg nil nil "TOPIC" channel
+ (string-join params " ")))
+ (lurk-send-msg network
+ (lurk-msg nil nil "TOPIC" channel))))
+ (lurk-display-notice nil "No current channel."))))
+
+(defun lurk-command-msg (params)
+ (let ((network (lurk-context-network (lurk-current-context))))
+ (if (and params (>= (length params) 2))
+ (let ((to (car params))
+ (text (string-join (cdr params) " ")))
+ (lurk-send-msg network (lurk-msg nil nil "PRIVMSG" to text))
+ (lurk-display-message network
+ (lurk-connection-nick network)
+ to text))
+ (lurk-display-notice nil "Usage: /msg <nick> <message>"))))
+
+(defun lurk-command-me (params)
+ (let* ((ctx (lurk-current-context))
+ (network (lurk-context-network ctx)))
+ (if (and ctx (not (lurk-network-context-p ctx)))
+ (if params
+ (let* ((channel (lurk-context-channel ctx))
+ (my-nick (lurk-connection-nick network))
+ (action (string-join params " "))
+ (ctcp-text (concat "\01ACTION " action "\01")))
+ (lurk-send-msg network
+ (lurk-msg nil nil "PRIVMSG"
+ (list channel ctcp-text)))
+ (lurk-display-action network my-nick channel action))
+ (lurk-display-notice nil "Usage: /me <action>"))
+ (lurk-display-notice nil "No current channel."))))
+
+(defun lurk-command-version (params)
+ (let ((ctx (lurk-current-context)))
+ (if ctx
+ (if params
+ (let ((network (lurk-context-network ctx))
+ (nick (car params)))
+ (lurk-send-msg network
+ (lurk-msg nil nil "PRIVMSG"
+ (list nick "\01VERSION\01")))
+ (lurk-display-notice ctx "CTCP version request sent to "
+ nick " on " network))
+ (lurk-display-notice ctx "Usage: /version <nick>"))
+ (lurk-display-notice nil "No current channel."))))
+
+(defun lurk-command-users (_params)
+ (let ((ctx (lurk-current-context)))
+ (if (and ctx (not (lurk-network-context-p ctx)))
+ (let ((channel (lurk-context-channel ctx))
+ (network (lurk-context-network ctx))
+ (users (lurk-get-context-users ctx)))
+ (lurk-display-notice ctx "Users in " channel " on " network ":")
+ (lurk-display-notice ctx (string-join users " ")))
+ (lurk-display-notice nil "No current channel."))))
;;; Command entering
(defun lurk-enter-string (string)
(if (string-prefix-p "/" string)
- (pcase (substring string 1)
- ((rx "DEBUG")
- (setq lurk-debug (not lurk-debug))
- (lurk-display-notice nil "Debug mode now " (if lurk-debug "on" "off") "."))
-
- ((rx (: "CONNECT " (let network (* not-newline))))
- (lurk-display-notice nil "Attempting to connect to " network "...")
- (lurk-connect network))
-
- ((rx (: "TOPIC " (let new-topic (* not-newline))))
- (lurk-send-msg (lurk-msg nil nil "TOPIC" lurk-current-context new-topic)))
-
- ((rx (: "ME " (let action (* not-newline))))
- (let ((ctcp-text (concat "\01ACTION " action "\01")))
- (lurk-send-msg (lurk-msg nil nil "PRIVMSG"
- (list lurk-current-context ctcp-text)))
- (lurk-display-action lurk-nick lurk-current-context action)))
-
- ((rx (: "VERSION" " " (let nick (+ (not whitespace)))))
- (lurk-send-msg (lurk-msg nil nil "PRIVMSG"
- (list nick "\01VERSION\01")))
- (lurk-display-notice nil "CTCP version request sent to " nick))
-
- ((rx "PART" (opt (: " " (let channel (* not-newline)))))
- (if (or lurk-current-context channel)
- (lurk-send-msg (lurk-msg nil nil "PART" (if channel
- channel
- lurk-current-context)))
- (lurk-display-error "No current channel to leave.")))
-
- ((rx "QUIT" (opt (: " " (let quit-msg (* not-newline)))))
- (lurk-send-msg (lurk-msg nil nil "QUIT"
- (or quit-msg lurk-default-quit-msg))))
-
- ((rx (: "NICK" (* whitespace) string-end))
- (lurk-display-notice nil "Current nick: " lurk-nick))
-
- ((rx (: "NICK" (+ whitespace) (let nick (+ (not whitespace)))))
- (if (lurk-connected-p)
- (lurk-send-msg (lurk-msg nil nil "NICK" nick))
- (setq lurk-nick nick)
- (lurk-display-notice nil "Set default nick to '" nick "'")))
-
- ((rx "LIST")
- (lurk-display-notice nil "This command can generate lots of output. Use `LIST -yes' if you're sure."))
-
- ((rx (: "LIST" (+ whitespace) "-YES"))
- (lurk-send-msg (lurk-msg nil nil "LIST")))
-
- ((rx "MSG "
- (let to (* (not whitespace)))
- " "
- (let text (* not-newline)))
- (lurk-send-msg (lurk-msg nil nil "PRIVMSG" to text))
- (lurk-display-message lurk-nick to text))
-
- ((rx (: (let cmd-str (+ (not whitespace)))
- (opt (: " " (let params-str (* not-newline))))))
- (lurk-send-msg (lurk-msg nil nil (upcase cmd-str)
- (if params-str
- (split-string params-str)
- nil)))))
-
+ (pcase string
+ ((rx (: "/" (let cmd-str (+ (not whitespace)))
+ (opt (+ whitespace)
+ (let params-str (+ anychar))
+ string-end)))
+ (let ((command-row (assoc (upcase cmd-str) lurk-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)
+ (lurk-send-msg
+ (lurk-context-network (lurk-current-context))
+ (lurk-msg nil nil (upcase cmd-str) params)))))
+ (_
+ (lurk-display-error "Badly formed command")))
(unless (string-empty-p string)
- (if lurk-current-context
- (progn
- (lurk-send-msg (lurk-msg nil nil "PRIVMSG"
- lurk-current-context
- string))
- (lurk-display-message lurk-nick lurk-current-context string))
- (lurk-display-error "No current context.")))))
+ (let ((ctx (lurk-current-context)))
+ (if ctx
+ (if (not (lurk-network-context-p ctx))
+ (let ((network (lurk-context-network ctx))
+ (channel (lurk-context-channel ctx)))
+ (lurk-send-msg network
+ (lurk-msg nil nil "PRIVMSG" channel string))
+ (lurk-display-message network
+ (lurk-connection-nick network)
+ channel string))
+ (lurk-display-error "No current channel"))
+ (lurk-display-error "No current context"))))))
+
+
+;;; Command history
+;;
(defvar lurk-history nil
"Commands and messages sent in current session.")
-
-(defun lurk-enter ()
- "Enter current contents of line after prompt."
- (interactive)
- (with-current-buffer "*lurk*"
- (let ((line (buffer-substring lurk-input-marker (point-max))))
- (push line lurk-history)
- (setq lurk-history-index nil)
- (let ((inhibit-read-only t))
- (delete-region lurk-input-marker (point-max)))
- (lurk-enter-string line))))
-
(defvar lurk-history-index nil)
(defun lurk-history-cycle (delta)
(delete-region lurk-input-marker (point-max))
(insert (elt lurk-history lurk-history-index)))))
+
+;;; Interactive commands
+;;
+
+(defun lurk-enter ()
+ "Enter current contents of line after prompt."
+ (interactive)
+ (with-current-buffer "*lurk*"
+ (let ((line (buffer-substring lurk-input-marker (point-max))))
+ (push line lurk-history)
+ (setq lurk-history-index nil)
+ (let ((inhibit-read-only t))
+ (delete-region lurk-input-marker (point-max)))
+ (lurk-enter-string line))))
+
(defun lurk-history-next ()
(interactive)
(lurk-history-cycle -1))
(interactive)
(lurk-history-cycle +1))
-;;; Interactive functions
-;;
-
(defun lurk-cycle-contexts-forward ()
(interactive)
- (lurk-cycle-contexts))
+ (lurk-cycle-contexts)
+ (lurk-highlight-current-context)
+ (lurk-render-prompt)
+ (if lurk-zoomed
+ (lurk-zoom-in (lurk-current-context))))
(defun lurk-cycle-contexts-reverse ()
(interactive)
- (lurk-cycle-contexts t))
+ (lurk-cycle-contexts t)
+ (lurk-highlight-current-context)
+ (lurk-render-prompt)
+ (if lurk-zoomed
+ (lurk-zoom-in (lurk-current-context))))
(defvar lurk-zoomed nil
"Keeps track of zoom status.")
(interactive)
(if lurk-zoomed
(lurk-zoom-out)
- (lurk-zoom-in lurk-current-context))
+ (lurk-zoom-in (lurk-current-context)))
(setq lurk-zoomed (not lurk-zoomed)))
-(defun lurk-complete-nick ()
- (interactive)
- (when (and (>= (point) lurk-input-marker) lurk-current-context)
- (let* ((end (max lurk-input-marker (point)))
- (space-idx (save-excursion
- (re-search-backward " " lurk-input-marker t)))
- (start (if space-idx (+ 1 space-idx) lurk-input-marker)))
- (unless (string-prefix-p "/" (buffer-substring start end))
- (completion-in-region start end (lurk-get-context-users lurk-current-context))))))
+(defun lurk-complete-input ()
+ (interactive)
+ (let ((completion-ignore-case t))
+ (when (>= (point) lurk-input-marker)
+ (pcase (buffer-substring lurk-input-marker (point))
+ ((rx (: "/" (let cmd-str (+ (not whitespace))) (+ " ") (* (not whitespace)) string-end))
+ (let ((space-idx (save-excursion
+ (re-search-backward " " lurk-input-marker t)))
+ (table-row (assoc (upcase cmd-str) lurk-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 lurk-input-marker (point)))
+ (completion-in-region lurk-input-marker (point)
+ (mapcar (lambda (row) (concat "/" (car row) " "))
+ lurk-command-table)))
+ (_
+ (let* ((end (max lurk-input-marker (point)))
+ (space-idx (save-excursion
+ (re-search-backward " " lurk-input-marker t)))
+ (start (if space-idx (+ 1 space-idx) lurk-input-marker)))
+ (unless (string-prefix-p "/" (buffer-substring start end))
+ (let* ((users (lurk-get-context-users (lurk-current-context)))
+ (users-no@ (mapcar
+ (lambda (u) (car (split-string u "@" t)))
+ users)))
+ (completion-in-region start end users-no@)))))))))
;;; Mode
;;
(defvar lurk-mode-map
(let ((map (make-sparse-keymap)))
(define-key map (kbd "RET") 'lurk-enter)
- (define-key map (kbd "<tab>") 'lurk-complete-nick)
+ (define-key map (kbd "TAB") 'lurk-complete-input)
(define-key map (kbd "C-c C-z") 'lurk-toggle-zoom)
- (define-key map (kbd "<C-tab>") 'lurk-cycle-contexts-forward)
- (define-key map (kbd "<C-S-tab>") 'lurk-cycle-contexts-reverse)
(define-key map (kbd "<C-up>") 'lurk-history-prev)
(define-key map (kbd "<C-down>") 'lurk-history-next)
- ;; (when (fboundp 'evil-define-key*)
- ;; (evil-define-key* 'insert map
- ;; (kbd "<C-Up>") 'lurk-history-prev
- ;; (kbd "<C-Down>") 'lurk-history-next))
+ (define-key map (kbd "<C-tab>") 'lurk-cycle-contexts-forward)
+ (define-key map (kbd "<C-S-iso-lefttab>") 'lurk-cycle-contexts-reverse)
+ (define-key map (kbd "<C-S-tab>") 'lurk-cycle-contexts-reverse)
+ (when (fboundp 'evil-define-key*)
+ (evil-define-key* 'motion map
+ (kbd "TAB") 'lurk-complete-input))
map))
-(defvar lurk-mode-map)
-
(define-derived-mode lurk-mode text-mode "lurk"
- "Major mode for LURK.")
+ "Major mode for lurk.")
(when (fboundp 'evil-set-initial-state)
(evil-set-initial-state 'lurk-mode 'insert))
;;; Main start procedure
;;
+;;;###autoload
(defun lurk ()
- "Switch to *lurk* buffer."
+ "Start lurk or just switch to the lurk buffer if one already exists."
(interactive)
(if (get-buffer "*lurk*")
(switch-to-buffer "*lurk*")
(switch-to-buffer "*lurk*")
(lurk-mode)
(lurk-setup-buffer))
- "Started LURK.")
-
+ "Started lurk.")
;;; lurk.el ends here