--- /dev/null
+;;; rcirc.el --- default, simple IRC client.
+
+;; Copyright (C) 2005 Free Software Foundation, Inc.
+
+;; Author: Ryan Yeske
+;; X-RCS: $Id: rcirc.el,v 1.288 2005/10/18 06:47:23 rcyeske Exp $
+;; URL: http://www.nongnu.org/rcirc
+;; Keywords: comm
+
+;; This file is not currently part of GNU Emacs.
+
+;; This file is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+
+;; This file is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING. If not, write to
+;; the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
+
+;;; Commentary:
+
+;; rcirc is an Internet Relay Chat (IRC) client for Emacs
+
+;; IRC is a form of instant communication over the Internet. It is
+;; mainly designed for group (many-to-many) communication in
+;; discussion forums called channels, but also allows one-to-one
+;; communication.
+
+;; Place this file in your `load-path' and add
+;; (autoload 'rcirc "rcirc.el" "Connect to IRC." t)
+;; to your .emacs
+;; Open a new irc connection with:
+;; M-x irc RET
+
+;;; Code:
+
+(require 'ring)
+(require 'time-date)
+(eval-when-compile (require 'cl))
+
+(defvar rcirc-server "irc.freenode.net"
+ "The default server to connect to.")
+
+(defvar rcirc-port 6667
+ "The default port to connect to.")
+
+(defvar rcirc-nick (user-login-name)
+ "Your nick.")
+
+(defvar rcirc-user-name (user-login-name)
+ "Your user name sent to the server when connecting.")
+
+(defvar rcirc-user-full-name (if (string= (user-full-name) "")
+ rcirc-user-name
+ (user-full-name))
+ "The full name sent to the server when connecting.")
+
+(defvar rcirc-startup-channels-alist nil
+ "Alist of channels to join at startup.
+Each element looks like (REGEXP . CHANNEL-LIST).")
+
+(defvar rcirc-fill-flag t
+ "*Non-nil means fill messages printed in channel buffers.")
+
+(defvar rcirc-fill-column nil
+ "*If non-nil, fill to this column, otherwise use value of `fill-column'.")
+
+(defvar rcirc-fill-prefix nil
+ "*Text to insert before filled lines.
+If nil, calculate the prefix dynamically to line up text
+underneath each nick.")
+
+(defvar rcirc-ignore-channel-activity nil
+ "If non-nil, ignore activity in this channel.")
+(make-variable-buffer-local 'rcirc-ignore-channel-activity)
+
+(defvar rcirc-ignore-all-activity-flag nil
+ "*Non-nil means track activity, but do not display it in the modeline.")
+
+(defvar rcirc-time-format "%H:%M "
+ "*Describes how timestamps are printed.
+Used as the first arg to `format-time-string'.")
+
+(defvar rcirc-input-ring-size 1024
+ "*Size of input history ring.")
+
+(defvar rcirc-read-only-flag t
+ "*Non-nil means make text in irc buffers read-only.")
+
+(defvar rcirc-buffer-maximum-lines nil
+ "*The maximum size in lines for rcirc buffers.
+Channel buffers are truncated from the top to be no greater than this
+number. If zero or nil, no truncating is done.")
+
+(defvar rcirc-authinfo-file-name
+ "~/.rcirc-authinfo"
+ "File containing rcirc authentication passwords.
+The file consists of a single list, with each element itself a
+list with a SERVER-REGEXP string, a NICK-REGEXP string, a METHOD
+and the remaining method specific ARGUMENTS. The valid METHOD
+symbols are `nickserv', `chanserv' and `bitlbee'.
+
+The required ARGUMENTS for each METHOD symbol are:
+ `nickserv': PASSWORD
+ `chanserv': CHANNEL PASSWORD
+ `bitlbee': PASSWORD
+
+Example:
+ ((\"freenode\" \"bob\" nickserv \"p455w0rd\")
+ (\"freenode\" \"bob\" chanserv \"#bobland\" \"passwd99\")
+ (\"bitlbee\" \"robert\" bitlbee \"sekrit\"))")
+
+(defvar rcirc-auto-authenticate-flag (file-readable-p rcirc-authinfo-file-name)
+ "*Non-nil means automatically send authentication string to server.
+See also `rcirc-authinfo-file-name'.")
+
+(defvar rcirc-print-hooks nil
+ "Hook run after text is printed.
+Called with 5 arguments, PROCESS, SENDER, RESPONSE, TARGET and TEXT.")
+
+(defvar rcirc-prompt "%n> "
+ "Prompt string to use in irc buffers.
+
+The following replacements are made:
+%n is your nick.
+%s is the server.
+%t is the buffer target, a channel or a user.
+
+Setting this alone will not affect the prompt;
+use `rcirc-update-prompt' after changing this variable.")
+
+(defvar rcirc-prompt-start-marker nil)
+(defvar rcirc-prompt-end-marker nil)
+
+(defvar rcirc-nick-table nil)
+
+(defvar rcirc-activity nil
+ "List of channels with unviewed activity.")
+
+(defvar rcirc-activity-string ""
+ "String displayed in modeline representing `rcirc-activity'.")
+(put 'rcirc-activity-string 'risky-local-variable t)
+
+(defvar rcirc-process nil
+ "The server process associated with this buffer.")
+
+(defvar rcirc-target nil
+ "The channel or user associated with this buffer.")
+
+(defvar rcirc-channels nil
+ "Joined channels.")
+
+(defvar rcirc-private-chats nil
+ "Private chats open.")
+
+(defvar rcirc-urls nil
+ "List of urls seen in the current buffer.")
+
+(defvar rcirc-keepalive-seconds 60
+ "Number of seconds between keepalive pings.")
+
+\f
+(defun rcirc-version (&optional here)
+ "Return rcirc version string.
+If optional argument HERE is non-nil, insert string at point."
+ (interactive "P")
+ (let ((version "rcirc.el 0.9 $Revision: 1.288 $"))
+ (if here
+ (insert version)
+ (if (interactive-p)
+ (message "%s" version)
+ version))))
+
+(defvar rcirc-startup-channels nil)
+;;;###autoload
+(defun rcirc (&optional server port nick channels)
+ "Connect to IRC.
+
+If any of the the optional SERVER, PORT, NICK or CHANNELS are not
+supplied, they are taken from the variables `rcirc-server',
+`rcirc-port', `rcirc-nick', and `rcirc-startup-channels',
+respectively."
+ (interactive (list (read-string "IRC Server: " rcirc-server)
+ (read-string "IRC Port: " (number-to-string rcirc-port))
+ (read-string "IRC Nick: " rcirc-nick)))
+ (or server (setq server rcirc-server))
+ (or port (setq port rcirc-port))
+ (or nick (setq nick rcirc-nick))
+ (or channels
+ (setq channels
+ (if (interactive-p)
+ (delete ""
+ (split-string
+ (read-string "Channels: "
+ (mapconcat 'identity
+ (rcirc-startup-channels server)
+ " "))
+ "[, ]+"))
+ (rcirc-startup-channels server))))
+ (or global-mode-string (setq global-mode-string '("")))
+ (and (not (memq 'rcirc-activity-string global-mode-string))
+ (setq global-mode-string
+ (append global-mode-string '(rcirc-activity-string))))
+ (add-hook 'window-configuration-change-hook 'rcirc-update-activity)
+ (rcirc-connect server port nick rcirc-user-name rcirc-user-full-name
+ channels))
+
+;;;###autoload
+(defalias 'irc 'rcirc)
+
+\f
+(defvar rcirc-process-output nil)
+(defvar rcirc-last-buffer nil)
+(defvar rcirc-topic nil)
+(defvar rcirc-keepalive-timer nil)
+(make-variable-buffer-local 'rcirc-topic)
+(defun rcirc-connect (server port nick user-name full-name startup-channels)
+ "Return a connection to SERVER on PORT.
+
+User will identify using the values of NICK, USER-NAME and
+FULL-NAME. The variable list of channel names in
+STARTUP-CHANNELS will automatically be joined on startup."
+ (save-excursion
+ (message "Connecting to %s..." server)
+ (let* ((inhibit-eol-conversion)
+ (port-number (if (stringp port)
+ (string-to-number port)
+ port))
+ (process (open-network-stream server nil server port-number)))
+ ;; set up process
+ (set-process-coding-system process 'raw-text 'raw-text)
+ (set-process-filter process 'rcirc-filter)
+ (switch-to-buffer (concat "*" (process-name process) "*"))
+ (set-process-buffer process (current-buffer))
+ (set-process-sentinel process 'rcirc-sentinel)
+ (rcirc-mode process nil)
+ (make-local-variable 'rcirc-nick-table)
+ (setq rcirc-nick-table (make-hash-table :test 'equal))
+ (make-local-variable 'rcirc-server)
+ (setq rcirc-server server)
+ (make-local-variable 'rcirc-nick)
+ (setq rcirc-nick nick)
+ (make-local-variable 'rcirc-process-output)
+ (setq rcirc-process-output nil)
+ (make-local-variable 'rcirc-last-buffer)
+ (setq rcirc-last-buffer (current-buffer))
+ (make-local-variable 'rcirc-channels)
+ (setq rcirc-channels nil)
+ (make-local-variable 'rcirc-private-chats)
+ (setq rcirc-private-chats nil)
+ (make-local-variable 'rcirc-startup-channels)
+ (setq rcirc-startup-channels startup-channels)
+
+ ;; identify
+ (rcirc-send-string process (concat "NICK " nick))
+ (rcirc-send-string process (concat "USER " user-name
+ " hostname servername :"
+ full-name))
+
+ ;; setup ping timer if necessary
+ (unless rcirc-keepalive-timer
+ (setq rcirc-keepalive-timer
+ (run-at-time 0 rcirc-keepalive-seconds 'rcirc-keepalive)))
+
+ (message "Connecting to %s...done" server)
+
+ ;; return process object
+ process)))
+
+(defun rcirc-keepalive ()
+ "Send keep alive pings to active rcirc processes."
+ (if (rcirc-process-list)
+ (mapc (lambda (process)
+ (with-current-buffer (process-buffer process)
+ (rcirc-send-string process (concat "PING " rcirc-server))))
+ (rcirc-process-list))
+ (cancel-timer rcirc-keepalive-timer)
+ (setq rcirc-keepalive-timer nil)))
+
+(defvar rcirc-log-buffer "*rcirc log*")
+(defvar rcirc-log-p nil
+ "If non-nil, write information to `rcirc-log-buffer'.")
+(defun rcirc-log (process text)
+ "Add an entry to the debug log including PROCESS and TEXT.
+Debug text is written to `rcirc-log-buffer' if `rcirc-log-p' is
+non-nil."
+ (when rcirc-log-p
+ (save-excursion
+ (save-window-excursion
+ (set-buffer (get-buffer-create rcirc-log-buffer))
+ (goto-char (point-max))
+ (insert (concat
+ "["
+ (format-time-string "%Y-%m-%dT%T ") (process-name process)
+ "] "
+ text))))))
+
+(defvar rcirc-sentinel-hooks nil
+ "Hook functions called when the process sentinel is called.
+Functions are called with PROCESS and SENTINEL arguments.")
+
+(defun rcirc-sentinel (process sentinel)
+ "Called when PROCESS receives SENTINEL."
+ (let ((sentinel (replace-regexp-in-string "\n" "" sentinel)))
+ (rcirc-log process (format "SENTINEL: %S %S\n" process sentinel))
+ (with-current-buffer (process-buffer process)
+ (dolist (target (append rcirc-channels
+ rcirc-private-chats
+ (list (current-buffer))))
+ (rcirc-print process "rcirc.el" "ERROR" target
+ (format "%s: %s (%S)"
+ (process-name process)
+ sentinel
+ (process-status process)) t)
+ ;; remove the prompt from buffers
+ (with-current-buffer (if (eq target (current-buffer))
+ (current-buffer)
+ (rcirc-get-buffer process target))
+ (let ((inhibit-read-only t))
+ (delete-region rcirc-prompt-start-marker
+ rcirc-prompt-end-marker)))))
+ (run-hook-with-args 'rcirc-sentinel-hooks process sentinel)))
+
+(defun rcirc-process-list ()
+ "Return a list of rcirc processes."
+ (let (ps)
+ (mapc (lambda (p)
+ (when (process-buffer p)
+ (with-current-buffer (process-buffer p)
+ (when (eq major-mode 'rcirc-mode)
+ (setq ps (cons p ps))))))
+ (process-list))
+ ps))
+
+(defvar rcirc-receive-message-hooks nil
+ "Hook functions run when a message is recieved from server.
+Function is called with PROCESS COMMAND SENDER ARGS and LINE.")
+(defun rcirc-filter (process output)
+ "Called when PROCESS receives OUTPUT."
+ (rcirc-log process output)
+ (with-current-buffer (process-buffer process)
+ (setq rcirc-process-output (concat rcirc-process-output output))
+ (when (= (aref rcirc-process-output
+ (1- (length rcirc-process-output))) ?\n)
+ (mapc (lambda (line)
+ (rcirc-process-server-response process line))
+ (delete "" (split-string rcirc-process-output "[\n\r]")))
+ (setq rcirc-process-output nil))))
+
+(defvar rcirc-trap-errors nil)
+(defun rcirc-process-server-response (process text)
+ (if rcirc-trap-errors
+ (condition-case err
+ (rcirc-process-server-response-1 process text)
+ (error
+ (rcirc-print process "RCIRC" "ERROR" nil
+ (format "rcirc: error processing: \"%s\" %s" text err))))
+ (rcirc-process-server-response-1 process text)))
+
+(defun rcirc-process-server-response-1 (process text)
+ (if (string-match "^\\(:\\([^ ]+\\) \\)?\\([^ ]+\\) \\(.+\\)$" text)
+ (let* ((sender (match-string 2 text))
+ (cmd (match-string 3 text))
+ (args (match-string 4 text))
+ (handler (intern-soft (concat "rcirc-handler-" cmd))))
+ (string-match "^\\([^:]*\\):?\\(.+\\)?$" args)
+ (let* ((args1 (match-string 1 args))
+ (args2 (match-string 2 args))
+ (args (append (delete "" (split-string args1 " "))
+ (list args2))))
+ (if (not (fboundp handler))
+ (rcirc-handler-generic process cmd sender args text)
+ (funcall handler process sender args text))
+ (run-hook-with-args 'rcirc-receive-message-hooks
+ process cmd sender args text)))
+ (message "UNHANDLED: %s" text)))
+
+(defun rcirc-handler-generic (process command sender args text)
+ "Generic server response handler."
+ (rcirc-print process sender command nil
+ (mapconcat 'identity (cdr args) " ")))
+
+(defun rcirc-send-string (process string)
+ "Send PROCESS a STRING plus a newline."
+ (let ((string (concat (encode-coding-string string
+ buffer-file-coding-system)
+ "\n")))
+ (rcirc-log process string)
+ (process-send-string process string)))
+
+(defun rcirc-server (process)
+ "Return PROCESS server, given by the 001 response."
+ (with-current-buffer (process-buffer process)
+ rcirc-server))
+
+(defun rcirc-nick (process)
+ "Return PROCESS nick."
+ (with-current-buffer (process-buffer process)
+ rcirc-nick))
+
+(defvar rcirc-max-message-length 450
+ "Messages longer than this value will be split.")
+
+(defun rcirc-send-message (process target message &optional noticep)
+ "Send TARGET associated with PROCESS a privmsg with text MESSAGE.
+If NOTICEP is non-nil, send a notice instead of privmsg."
+ ;; max message length is 512 including CRLF
+ (let* ((response (if noticep "NOTICE" "PRIVMSG"))
+ (oversize (> (length message) rcirc-max-message-length))
+ (text (if oversize
+ (substring message 0 rcirc-max-message-length)
+ message))
+ (text (if (string= text "")
+ " "
+ text))
+ (more (if oversize
+ (substring message rcirc-max-message-length))))
+ (rcirc-print process (rcirc-nick process) response target text)
+ (rcirc-send-string process (concat response " " target " :" text))
+ (if more
+ (rcirc-send-message process target more noticep))))
+
+(defvar rcirc-input-ring nil)
+(defvar rcirc-input-ring-index 0)
+(defun rcirc-prev-input-string (arg)
+ (ring-ref rcirc-input-ring (+ rcirc-input-ring-index arg)))
+
+(defun rcirc-insert-prev-input (arg)
+ (interactive "p")
+ (when (<= rcirc-prompt-end-marker (point))
+ (delete-region rcirc-prompt-end-marker (point-max))
+ (insert (rcirc-prev-input-string 0))
+ (setq rcirc-input-ring-index (1+ rcirc-input-ring-index))))
+
+(defun rcirc-insert-next-input (arg)
+ (interactive "p")
+ (when (<= rcirc-prompt-end-marker (point))
+ (delete-region rcirc-prompt-end-marker (point-max))
+ (setq rcirc-input-ring-index (1- rcirc-input-ring-index))
+ (insert (rcirc-prev-input-string -1))))
+
+(defvar rcirc-nick-completions nil)
+(defvar rcirc-nick-completion-start-offset nil)
+(defun rcirc-complete-nick ()
+ "Cycle through nick completions from list of nicks in channel."
+ (interactive)
+ (if (eq last-command 'rcirc-complete-nick)
+ (setq rcirc-nick-completions
+ (append (cdr rcirc-nick-completions)
+ (list (car rcirc-nick-completions))))
+ (setq rcirc-nick-completion-start-offset
+ (- (save-excursion
+ (if (re-search-backward " " rcirc-prompt-end-marker t)
+ (1+ (point))
+ rcirc-prompt-end-marker))
+ rcirc-prompt-end-marker))
+ (setq rcirc-nick-completions
+ (let ((completion-ignore-case t))
+ (all-completions
+ (buffer-substring
+ (+ rcirc-prompt-end-marker
+ rcirc-nick-completion-start-offset)
+ (point))
+ (mapcar (lambda (x) (cons x nil))
+ (rcirc-channel-nicks rcirc-process
+ (rcirc-buffer-target)))))))
+ (let ((completion (car rcirc-nick-completions)))
+ (when completion
+ (delete-region (+ rcirc-prompt-end-marker
+ rcirc-nick-completion-start-offset)
+ (point))
+ (insert (concat completion
+ (if (= (+ rcirc-prompt-end-marker
+ rcirc-nick-completion-start-offset)
+ rcirc-prompt-end-marker)
+ ": "))))))
+
+(defun rcirc-buffer-target (&optional buffer)
+ "Return the name of target for BUFFER.
+If buffer is nil, return the target of the current buffer."
+ (with-current-buffer (or buffer (current-buffer))
+ rcirc-target))
+
+(defvar rcirc-mode-map (make-sparse-keymap)
+ "Keymap for rcirc mode.")
+
+(define-key rcirc-mode-map (kbd "RET") 'rcirc-send-input)
+(define-key rcirc-mode-map (kbd "M-p") 'rcirc-insert-prev-input)
+(define-key rcirc-mode-map (kbd "M-n") 'rcirc-insert-next-input)
+(define-key rcirc-mode-map (kbd "TAB") 'rcirc-complete-nick)
+(define-key rcirc-mode-map (kbd "C-c C-b") 'rcirc-browse-url)
+(define-key rcirc-mode-map (kbd "C-c C-c") 'rcirc-edit-multiline)
+(define-key rcirc-mode-map (kbd "C-c C-j") 'rcirc-cmd-join)
+(define-key rcirc-mode-map (kbd "C-c C-k") 'rcirc-cmd-kick)
+(define-key rcirc-mode-map (kbd "C-c C-l") 'rcirc-cmd-list)
+(define-key rcirc-mode-map (kbd "C-c C-d") 'rcirc-cmd-mode)
+(define-key rcirc-mode-map (kbd "C-c C-m") 'rcirc-cmd-msg)
+(define-key rcirc-mode-map (kbd "C-c C-r") 'rcirc-cmd-nick) ; rename
+(define-key rcirc-mode-map (kbd "C-c C-o") 'rcirc-cmd-oper)
+(define-key rcirc-mode-map (kbd "C-c C-p") 'rcirc-cmd-part)
+(define-key rcirc-mode-map (kbd "C-c C-q") 'rcirc-cmd-query)
+(define-key rcirc-mode-map (kbd "C-c C-t") 'rcirc-cmd-topic)
+(define-key rcirc-mode-map (kbd "C-c C-n") 'rcirc-cmd-names)
+(define-key rcirc-mode-map (kbd "C-c C-w") 'rcirc-cmd-whois)
+(define-key rcirc-mode-map (kbd "C-c C-x") 'rcirc-cmd-quit)
+(define-key rcirc-mode-map (kbd "C-c TAB") ; C-i
+ 'rcirc-toggle-ignore-channel-activity)
+(define-key rcirc-mode-map (kbd "C-c C-s") 'rcirc-switch-to-server-buffer)
+(define-key rcirc-mode-map (kbd "C-c C-a") 'rcirc-jump-to-first-unread-line)
+
+(define-key global-map (kbd "C-c `") 'rcirc-next-active-buffer)
+(define-key global-map (kbd "C-c C-@") 'rcirc-next-active-buffer)
+(define-key global-map (kbd "C-c C-SPC") 'rcirc-next-active-buffer)
+
+(defvar rcirc-mode-hook nil
+ "Hook run when setting up rcirc buffer.")
+
+(defun rcirc-mode (process target)
+ "Major mode for irc channel buffers.
+
+\\{rcirc-mode-map}"
+ (kill-all-local-variables)
+ (use-local-map rcirc-mode-map)
+ (setq mode-name "rcirc")
+ (setq major-mode 'rcirc-mode)
+
+ (make-local-variable 'rcirc-input-ring)
+ (setq rcirc-input-ring (make-ring rcirc-input-ring-size))
+ (make-local-variable 'rcirc-process)
+ (setq rcirc-process process)
+ (make-local-variable 'rcirc-target)
+ (setq rcirc-target target)
+ (make-local-variable 'rcirc-urls)
+ (setq rcirc-urls nil)
+ (setq use-hard-newlines t)
+ (when (rcirc-channel-p rcirc-target)
+ (setq header-line-format 'rcirc-topic))
+
+ ;; setup the prompt and markers
+ (make-local-variable 'rcirc-prompt-start-marker)
+ (setq rcirc-prompt-start-marker (make-marker))
+ (set-marker rcirc-prompt-start-marker (point-max))
+ (make-local-variable 'rcirc-prompt-end-marker)
+ (setq rcirc-prompt-end-marker (make-marker))
+ (set-marker rcirc-prompt-end-marker (point-max))
+ (rcirc-update-prompt)
+ (goto-char rcirc-prompt-end-marker)
+ (make-local-variable 'overlay-arrow-position)
+ (setq overlay-arrow-position (make-marker))
+ (set-marker overlay-arrow-position nil)
+
+ (run-hooks 'rcirc-mode-hook))
+
+(defun rcirc-update-prompt ()
+ "Reset the prompt string in the current buffer."
+ (let ((inhibit-read-only t)
+ (prompt (or rcirc-prompt "")))
+ (mapc (lambda (rep)
+ (setq prompt
+ (replace-regexp-in-string (car rep) (cdr rep) prompt)))
+ (list (cons "%n" (with-rcirc-process-buffer rcirc-process
+ rcirc-nick))
+ (cons "%s" (with-rcirc-process-buffer rcirc-process
+ rcirc-server))
+ (cons "%t" (or rcirc-target ""))))
+ (save-excursion
+ (delete-region rcirc-prompt-start-marker rcirc-prompt-end-marker)
+ (goto-char rcirc-prompt-start-marker)
+ (let ((start (point)))
+ (insert-before-markers prompt)
+ (set-marker rcirc-prompt-start-marker start)
+ (when (not (zerop (- rcirc-prompt-end-marker
+ rcirc-prompt-start-marker)))
+ (add-text-properties rcirc-prompt-start-marker
+ rcirc-prompt-end-marker
+ (list 'face 'rcirc-prompt-face
+ 'read-only t 'field t
+ 'front-sticky t 'rear-nonsticky t)))))))
+
+(defun rcirc-channel-p (target)
+ "Return t if TARGET is a channel name."
+ (and target
+ (not (zerop (length target)))
+ (or (eq (aref target 0) ?#)
+ (eq (aref target 0) ?&))))
+
+(defun rcirc-kill-buffer-hook ()
+ "Part the channel when killing an rcirc buffer."
+ (when (eq major-mode 'rcirc-mode)
+ (rcirc-clear-activity (current-buffer))
+ (when (and rcirc-process
+ (eq (process-status rcirc-process) 'open))
+ (if (rcirc-channel-p rcirc-target)
+ (rcirc-cmd-part "" rcirc-process rcirc-target)
+ ;; remove target from privchat list
+ (when rcirc-target
+ (let ((target (downcase rcirc-target)))
+ (with-rcirc-process-buffer rcirc-process
+ (setq rcirc-private-chats
+ (delete target rcirc-private-chats)))))))))
+(add-hook 'kill-buffer-hook 'rcirc-kill-buffer-hook)
+
+(defun rcirc-get-buffer-name (process target)
+ "Return buffer name based on PROCESS and TARGET."
+ (concat (and target (downcase target)) "@" (process-name process)))
+
+(defun rcirc-get-buffer (process target &optional error)
+ "Return the buffer associated with the PROCESS and TARGET.
+If TARGET is nil and ERROR is nil, return the process buffer."
+ (let ((buffer (and target
+ (get-buffer (rcirc-get-buffer-name process target)))))
+ (if (and buffer (buffer-live-p buffer))
+ buffer
+ (if error
+ (error "Buffer associated with %s does not exist" target)
+ (process-buffer process)))))
+
+(defun rcirc-get-buffer-create (process target)
+ "Return the buffer named associated with the PROCESS and TARGET.
+Create the buffer if it doesn't exist. If TARGET is nil, return
+the process buffer."
+ (with-current-buffer (process-buffer process)
+ (if (not target)
+ (current-buffer)
+ (let ((target (downcase target)))
+ ;; add private chats to list. we dont add channels here, they
+ ;; are managed by the join/part/quit handlers
+ (when (and (not (rcirc-channel-p target))
+ (not (member target rcirc-private-chats)))
+ (with-rcirc-process-buffer process
+ (setq rcirc-private-chats (cons target rcirc-private-chats))))
+ ;; create and setup a buffer, or return the existing one
+ (let ((bufname (rcirc-get-buffer-name process target)))
+ (with-current-buffer (get-buffer-create bufname)
+ (if (or (not rcirc-process)
+ (not (equal (process-status rcirc-process) 'open)))
+ (rcirc-mode process target)
+ (setq rcirc-target target))
+ (current-buffer)))))))
+
+(defun rcirc-send-input ()
+ "Send input to target associated with the current buffer."
+ (interactive)
+ (if (not (eq (process-status rcirc-process) 'open))
+ (error "Network connection to %s is not open"
+ (process-name rcirc-process))
+ ;; update last buffer
+ (rcirc-set-last-buffer rcirc-process (current-buffer))
+ (if (< (point) rcirc-prompt-end-marker)
+ ;; copy the line down to the input area
+ (progn
+ (forward-line 0)
+ (let ((start (if (eq (point) (point-min))
+ (point)
+ (if (get-text-property (1- (point)) 'hard)
+ (point)
+ (previous-single-property-change (point) 'hard))))
+ (end (next-single-property-change (1+ (point)) 'hard)))
+ (goto-char (point-max))
+ (insert (replace-regexp-in-string
+ "\n\\s-+" " "
+ (buffer-substring-no-properties start end)))))
+ ;; assume text has been read
+ (when (marker-position overlay-arrow-position)
+ (set-marker overlay-arrow-position nil))
+ ;; process input
+ (goto-char (point-max))
+ (let ((target (rcirc-buffer-target))
+ (start rcirc-prompt-end-marker))
+ (when (not (equal 0 (- (point) start)))
+ ;; delete a trailing newline
+ (when (eq (point) (point-at-bol))
+ (delete-backward-char 1))
+ (let ((input (buffer-substring-no-properties
+ rcirc-prompt-end-marker (point))))
+ ;; process a /cmd
+ (if (string-match "^/\\([^ ]+\\) ?\\(.*\\)$" input)
+ (let* ((command (match-string 1 input))
+ (fun (intern-soft (concat "rcirc-cmd-" command)))
+ (args (match-string 2 input)))
+ (newline)
+ (with-current-buffer (current-buffer)
+ (delete-region rcirc-prompt-end-marker (point))
+ (if (string= command "me")
+ (rcirc-print rcirc-process (rcirc-nick rcirc-process)
+ "ACTION" target args)
+ (rcirc-print rcirc-process (rcirc-nick rcirc-process)
+ "COMMAND" target input))
+ (set-marker rcirc-prompt-end-marker (point))
+ (if (fboundp fun)
+ (funcall fun args rcirc-process target)
+ (rcirc-send-string rcirc-process
+ (concat command " " args)))))
+ ;; send message to server
+ (if (not rcirc-target)
+ (message "Not joined")
+ (delete-region rcirc-prompt-end-marker (point))
+ (mapc (lambda (message)
+ (rcirc-send-message rcirc-process target message))
+ (split-string input "\n"))))
+ ;; add to input-ring
+ (save-excursion
+ (ring-insert rcirc-input-ring input)
+ (setq rcirc-input-ring-index 0))))))))
+
+(defvar rcirc-parent-buffer nil)
+(defvar rcirc-window-configuration nil)
+(defun rcirc-edit-multiline ()
+ "Move current edit to a dedicated buffer."
+ (interactive)
+ (let ((pos (1+ (- (point) rcirc-prompt-end-marker))))
+ (goto-char (point-max))
+ (let ((text (buffer-substring rcirc-prompt-end-marker (point)))
+ (parent (buffer-name))
+ (process rcirc-process))
+ (delete-region rcirc-prompt-end-marker (point))
+ (setq rcirc-window-configuration (current-window-configuration))
+ (pop-to-buffer (concat "*multiline " parent "*"))
+ (rcirc-multiline-edit-mode)
+ (setq rcirc-parent-buffer parent)
+ (setq rcirc-process process)
+ (insert text)
+ (and (> pos 0) (goto-char pos)))))
+
+(define-derived-mode rcirc-multiline-edit-mode
+ text-mode "rcirc multi"
+ "Major mode for multiline edits
+\\{rcirc-multiline-edit-mode-map}"
+ (make-local-variable 'rcirc-parent-buffer)
+ (make-local-variable 'rcirc-process))
+
+(define-key rcirc-multiline-edit-mode-map
+ (kbd "C-c C-c") 'rcirc-multiline-edit-submit)
+(define-key rcirc-multiline-edit-mode-map
+ (kbd "C-x C-s") 'rcirc-multiline-edit-submit)
+(define-key rcirc-multiline-edit-mode-map
+ (kbd "C-c C-k") 'rcirc-multiline-edit-cancel)
+(define-key rcirc-multiline-edit-mode-map
+ (kbd "ESC ESC ESC") 'rcirc-multiline-edit-cancel)
+
+(defun rcirc-multiline-edit-submit ()
+ "Send the text in buffer back to parent buffer."
+ (interactive)
+ (assert (and (eq major-mode 'rcirc-multiline-edit-mode)))
+ (assert rcirc-parent-buffer)
+ (let ((text (buffer-substring (point-min) (point-max)))
+ (buffer (current-buffer))
+ (pos (point)))
+ (set-buffer rcirc-parent-buffer)
+ (goto-char (point-max))
+ (insert text)
+ (goto-char (+ rcirc-prompt-end-marker (1- pos)))
+ (kill-buffer buffer)
+ (set-window-configuration rcirc-window-configuration)))
+
+(defun rcirc-multiline-edit-cancel ()
+ "Cancel the multiline edit."
+ (interactive)
+ (assert (and (eq major-mode 'rcirc-multiline-edit-mode)))
+ (kill-buffer (current-buffer))
+ (set-window-configuration rcirc-window-configuration))
+
+(defun rcirc-last-buffer (process)
+ "Return the last working buffer for PROCESS.
+Used for displaying messages that don't have an explicit destination."
+ (with-current-buffer (process-buffer process)
+ (or (and rcirc-last-buffer
+ (buffer-live-p rcirc-last-buffer)
+ rcirc-last-buffer)
+ (current-buffer))))
+
+(defun rcirc-set-last-buffer (process buffer)
+ "Set the last working buffer for PROCESS to BUFFER."
+ (with-current-buffer (process-buffer process)
+ (setq rcirc-last-buffer buffer)))
+
+(defmacro with-rcirc-process-buffer (process &rest body)
+ (declare (indent 1) (debug t))
+ `(with-current-buffer (process-buffer ,process)
+ ,@body))
+
+(defun rcirc-format-response-string (process sender response target text)
+ (concat (when rcirc-time-format
+ (format-time-string rcirc-time-format (current-time)))
+ (cond ((or (string= response "PRIVMSG")
+ (string= response "NOTICE")
+ (string= response "ACTION"))
+ (let (first middle end)
+ (cond ((string= response "PRIVMSG")
+ (setq first "<" middle "> "))
+ ((string= response "NOTICE")
+ (setq first "-" middle "- "))
+ (t
+ (setq first "[" middle " " end "]")))
+ (concat first
+ (rcirc-facify (rcirc-user-nick sender)
+ (if (string= sender
+ (rcirc-nick process))
+ 'rcirc-my-nick-face
+ 'rcirc-other-nick-face))
+ middle
+ (rcirc-mangle-text process text)
+ end)))
+ ((string= response "COMMAND")
+ text)
+ ((string= response "ERROR")
+ (propertize text 'face 'font-lock-warning-face))
+ (t
+ (rcirc-mangle-text
+ process
+ (rcirc-facify
+ (concat "*** "
+ (when (not (string= sender (rcirc-server process)))
+ (concat (rcirc-user-nick sender) " "))
+ (when (zerop (string-to-number response))
+ (concat response " "))
+ (when (and target (not (string= target rcirc-target)))
+ (concat target " "))
+ text)
+ 'rcirc-server-face))))))
+
+(defvar rcirc-activity-type nil)
+(make-variable-buffer-local 'rcirc-activity-type)
+(defun rcirc-print (process sender response target text &optional activity)
+ "Print TEXT in the buffer associated with TARGET.
+Format based on SENDER and RESPONSE. If ACTIVITY is non-nil,
+record activity."
+ (let* ((buffer (cond ((bufferp target)
+ target)
+ ((not target)
+ (rcirc-last-buffer process))
+ ((not (rcirc-channel-p target))
+ (rcirc-get-buffer-create process target))
+ ((rcirc-get-buffer process target))
+ (t (process-buffer process))))
+ (inhibit-read-only t))
+ (with-current-buffer buffer
+ (let ((moving (= (point) rcirc-prompt-end-marker))
+ (old-point (point-marker))
+ (fill-start (marker-position rcirc-prompt-start-marker)))
+
+ (unless (string= sender (rcirc-nick process))
+ ;; only decode text from other senders, not ours
+ (setq text (decode-coding-string text buffer-file-coding-system))
+ ;; mark the line with overlay arrow
+ (unless (or (marker-position overlay-arrow-position)
+ (get-buffer-window (current-buffer)))
+ (set-marker overlay-arrow-position
+ (marker-position rcirc-prompt-start-marker))))
+
+ ;; temporarily set the marker insertion-type because
+ ;; insert-before-markers results in hidden text in new buffers
+ (goto-char rcirc-prompt-start-marker)
+ (set-marker-insertion-type rcirc-prompt-start-marker t)
+ (set-marker-insertion-type rcirc-prompt-end-marker t)
+ (insert
+ (rcirc-format-response-string process sender response target text)
+ (propertize "\n" 'hard t))
+ (set-marker-insertion-type rcirc-prompt-start-marker nil)
+ (set-marker-insertion-type rcirc-prompt-end-marker nil)
+
+ ;; fill the text we just inserted, maybe
+ (when (and rcirc-fill-flag
+ (not (string= response "372"))) ;/motd
+ (let ((fill-prefix
+ (or rcirc-fill-prefix
+ (make-string
+ (+ (if rcirc-time-format
+ (length (format-time-string
+ rcirc-time-format))
+ 0)
+ (cond ((or (string= response "PRIVMSG")
+ (string= response "NOTICE"))
+ (+ (length (rcirc-user-nick sender))
+ 2)) ; <>
+ ((string= response "ACTION")
+ (+ (length (rcirc-user-nick sender))
+ 1)) ; [
+ (t 3)) ; ***
+ 1)
+ ? )))
+ (fill-column (or rcirc-fill-column fill-column)))
+ (fill-region fill-start rcirc-prompt-start-marker 'left t)))
+
+ ;; truncate buffer if it is very long
+ (save-excursion
+ (when (and rcirc-buffer-maximum-lines
+ (> rcirc-buffer-maximum-lines 0)
+ (= (forward-line (- rcirc-buffer-maximum-lines)) 0))
+ (delete-region (point-min) (point))))
+
+ ;; set inserted text to be read-only
+ (when rcirc-read-only-flag
+ (put-text-property rcirc-prompt-start-marker fill-start 'read-only t)
+ (let ((inhibit-read-only t))
+ (put-text-property rcirc-prompt-start-marker fill-start
+ 'front-sticky t)
+ (put-text-property (1- (point)) (point) 'rear-nonsticky t)))
+
+ ;; set the window point for buffers show in windows
+ (walk-windows (lambda (w)
+ (unless (eq (selected-window) w)
+ (when (and (eq (current-buffer)
+ (window-buffer w))
+ (>= (window-point w)
+ rcirc-prompt-end-marker))
+ (set-window-point w (point-max)))))
+ nil t)
+
+ ;; restore the point
+ (goto-char (if moving rcirc-prompt-end-marker old-point))
+
+ ;; flush undo (can we do something smarter here?)
+ (buffer-disable-undo)
+ (buffer-enable-undo))
+
+ ;; record modeline activity
+ (when activity
+ (let ((nick-match
+ (string-match (concat "\\b"
+ (regexp-quote (rcirc-nick process))
+ "\\b")
+ text)))
+ (when (or (not rcirc-ignore-channel-activity)
+ ;; always notice when our nick is mentioned, even
+ ;; if ignoring channel activity
+ nick-match)
+ (rcirc-record-activity
+ (current-buffer)
+ (when (or nick-match (not (rcirc-channel-p rcirc-target)))
+ 'nick)))))
+
+ (run-hook-with-args 'rcirc-print-hooks
+ process sender response target text))))
+
+(defun rcirc-startup-channels (server)
+ "Return the list of startup channels for server."
+ (let (channels)
+ (dolist (i rcirc-startup-channels-alist)
+ (if (string-match (car i) server)
+ (setq channels (append channels (cdr i)))))
+ channels))
+
+(defun rcirc-join-channels (process channels)
+ "Join CHANNELS."
+ (save-window-excursion
+ (mapc (lambda (channel)
+ (with-current-buffer (process-buffer process)
+ (let (rcirc-last-buffer) ; make sure /join text is
+ ; printed in server buffer
+ (rcirc-print process (rcirc-nick process) "COMMAND"
+ nil (concat "/join " channel)))
+ (rcirc-cmd-join channel process)))
+ channels)))
+\f
+;;; nick management
+(defun rcirc-user-nick (user)
+ "Return the nick from USER. Remove any non-nick junk."
+ (if (string-match "^[@%+]?\\([^! ]+\\)!?" (or user ""))
+ (match-string 1 user)
+ user))
+
+(defun rcirc-user-non-nick (user)
+ "Return the non-nick portion of USER."
+ (if (string-match "^[@+]?[^! ]+!?\\(.*\\)" (or user ""))
+ (match-string 1 user)
+ user))
+
+(defun rcirc-nick-channels (process nick)
+ "Return list of channels for NICK."
+ (let ((nick (rcirc-user-nick nick)))
+ (with-current-buffer (process-buffer process)
+ (mapcar (lambda (x) (car x))
+ (gethash nick rcirc-nick-table)))))
+
+(defun rcirc-put-nick-channel (process nick channel)
+ "Add CHANNEL to list associated with NICK."
+ (with-current-buffer (process-buffer process)
+ (let* ((nick (rcirc-user-nick nick))
+ (chans (gethash nick rcirc-nick-table))
+ (record (assoc channel chans)))
+ (if record
+ (setcdr record (current-time))
+ (puthash nick (cons (cons channel (current-time))
+ chans)
+ rcirc-nick-table)))))
+
+(defun rcirc-nick-remove (process nick)
+ "Remove NICK from table."
+ (with-current-buffer (process-buffer process)
+ (remhash nick rcirc-nick-table)))
+
+(defun rcirc-remove-nick-channel (process nick channel)
+ "Remove the CHANNEL from list associated with NICK."
+ (with-current-buffer (process-buffer process)
+ (let* ((nick (rcirc-user-nick nick))
+ (chans (gethash nick rcirc-nick-table))
+ (newchans (assq-delete-all channel chans)))
+ (if newchans
+ (puthash nick newchans rcirc-nick-table)
+ (remhash nick rcirc-nick-table)))))
+
+(defun rcirc-channel-nicks (process channel)
+ "Return the list of nicks in CHANNEL sorted by last activity."
+ (with-current-buffer (process-buffer process)
+ (let (nicks)
+ (maphash
+ (lambda (k v)
+ (let ((record (assoc channel v)))
+ (if record
+ (setq nicks (cons (cons k (cdr record)) nicks)))))
+ rcirc-nick-table)
+ (mapcar (lambda (x) (car x))
+ (sort nicks (lambda (x y) (time-less-p (cdr y) (cdr x))))))))
+\f
+;;; activity tracking
+(or (assq 'rcirc-ignore-channel-activity minor-mode-alist)
+ (setq minor-mode-alist
+ (cons '(rcirc-ignore-channel-activity " Ignore") minor-mode-alist)))
+
+(defun rcirc-toggle-ignore-channel-activity (&optional all)
+ "Toggle the value of `rcirc-ignore-channel-activity'.
+If ALL is non-nil, instead toggle the value of
+`rcirc-ignore-all-activity-flag'."
+ (interactive "P")
+ (if all
+ (progn
+ (setq rcirc-ignore-all-activity-flag
+ (not rcirc-ignore-all-activity-flag))
+ (message (concat "Global activity "
+ (if rcirc-ignore-all-activity-flag
+ "hidden"
+ "displayed")))
+ (rcirc-update-activity-string))
+ (setq rcirc-ignore-channel-activity
+ (not rcirc-ignore-channel-activity)))
+ (force-mode-line-update))
+
+(defvar rcirc-switch-to-buffer-function 'switch-to-buffer
+ "Function to use when switching buffers.
+Possible values are `switch-to-buffer', `pop-to-buffer', and
+`display-buffer'.")
+
+(defun rcirc-switch-to-server-buffer ()
+ "Switch to the server buffer associated with current channel buffer."
+ (interactive)
+ (funcall rcirc-switch-to-buffer-function (process-buffer rcirc-process)))
+
+(defun rcirc-jump-to-first-unread-line ()
+ "Move the point to the first unread line in this buffer."
+ (interactive)
+ (when (marker-position overlay-arrow-position)
+ (goto-char overlay-arrow-position)))
+
+(defvar rcirc-last-non-irc-buffer nil
+ "The buffer to switch to when there is no more activity.")
+
+(defun rcirc-next-active-buffer (arg)
+ "Go to the ARGth rcirc buffer with activity.
+The function given by `rcirc-switch-to-buffer-function' is used to
+show the buffer."
+ (interactive "p")
+ (if rcirc-activity
+ (progn
+ (unless (eq major-mode 'rcirc-mode)
+ (setq rcirc-last-non-irc-buffer (current-buffer)))
+ (if (and (> arg 0)
+ (<= arg (length rcirc-activity)))
+ (funcall rcirc-switch-to-buffer-function
+ (nth (1- arg) rcirc-activity))
+ (message "Invalid arg: %d" arg)))
+ (if (eq major-mode 'rcirc-mode)
+ (if (not (and rcirc-last-non-irc-buffer
+ (buffer-live-p rcirc-last-non-irc-buffer)))
+ (message "No last buffer.")
+ (funcall rcirc-switch-to-buffer-function rcirc-last-non-irc-buffer)
+ (setq rcirc-last-non-irc-buffer nil))
+ (message "No channel activity. Go start something."))))
+
+(defvar rcirc-activity-hooks nil
+ "Hook to be run when there is channel activity.
+
+Functions are called with a single argument, the buffer with the
+activity. Only run if the buffer is not visible and
+`rcirc-ignore-channel-activity' is non-nil.")
+
+(defun rcirc-record-activity (buffer type)
+ "Record BUFFER activity with TYPE."
+ (with-current-buffer buffer
+ (when (not (get-buffer-window (current-buffer) t))
+ (add-to-list 'rcirc-activity (current-buffer) 'append)
+ (if (not rcirc-activity-type)
+ (setq rcirc-activity-type type))
+ (rcirc-update-activity-string)))
+ (run-hook-with-args 'rcirc-activity-hooks buffer))
+
+(defun rcirc-clear-activity (buffer)
+ "Clear the BUFFER activity."
+ (setq rcirc-activity (delete buffer rcirc-activity))
+ (with-current-buffer buffer
+ (setq rcirc-activity-type nil)))
+
+(defun rcirc-update-activity-string ()
+ "Update mode-line string."
+ (setq rcirc-activity-string
+ (if (or rcirc-ignore-all-activity-flag
+ (not rcirc-activity))
+ ""
+ (concat " [" (mapconcat
+ (lambda (b)
+ (let ((s (rcirc-short-buffer-name b)))
+ (with-current-buffer b
+ (if (not (eq rcirc-activity-type 'nick))
+ s
+ (rcirc-facify s
+ 'rcirc-mode-line-nick-face)))))
+ rcirc-activity ",") "]"))))
+
+(defun rcirc-short-buffer-name (buffer)
+ "Return a short name for BUFFER to use in the modeline indicator."
+ (with-current-buffer buffer
+ (or rcirc-target (process-name rcirc-process))))
+
+(defun rcirc-update-activity ()
+ "Go through visible windows and remove buffers from activity list."
+ (walk-windows (lambda (w) (rcirc-clear-activity (window-buffer w))))
+ (rcirc-update-activity-string))
+
+\f
+;;; /commands these are called with 3 args: PROCESS, TARGET, which is
+;; the current buffer/channel/user, and ARGS, which is a string
+;; containing the text following the /cmd.
+
+(defmacro defun-rcirc-command (command argument docstring interactive-form
+ &rest body)
+ "Define a command."
+ `(defun ,(intern (concat "rcirc-cmd-" (symbol-name command)))
+ (,@argument &optional process target)
+ ,(concat docstring "\n\nNote: If PROCESS or TARGET are nil, the values of"
+ "\nbuffer local variables `rcirc-process' and `rcirc-target',"
+ "\nwill be used.")
+ ,interactive-form
+ (let ((process (or process rcirc-process))
+ (target (or target rcirc-target)))
+ ,@body)))
+
+(defun-rcirc-command msg (message)
+ "Send private MESSAGE to TARGET."
+ (interactive "i")
+ (if (null message)
+ (progn
+ (setq target (completing-read "Message nick: "
+ (with-current-buffer
+ (process-buffer rcirc-process)
+ rcirc-nick-table)))
+ (when (> (length target) 0)
+ (setq message (read-string (format "Message %s: " target)))
+ (when (> (length message) 0)
+ (rcirc-send-message process target message))))
+ (if (not (string-match "\\([^ ]+\\) \\(.+\\)" message))
+ (message "Not enough args, or something.")
+ (setq target (match-string 1 message)
+ message (match-string 2 message))
+ (rcirc-send-message process target message))))
+
+(defun-rcirc-command query (nick)
+ "Open a private chat buffer to NICK."
+ (interactive (list (completing-read "Query nick: "
+ (with-current-buffer
+ (process-buffer rcirc-process)
+ rcirc-nick-table))))
+ (let ((new-buffer (eq (rcirc-get-buffer rcirc-process nick)
+ (process-buffer rcirc-process))))
+ (switch-to-buffer (rcirc-get-buffer-create process nick))
+ (when new-buffer
+ (rcirc-cmd-whois nick))))
+
+(defun-rcirc-command join (args)
+ "Join CHANNEL."
+ (interactive "sJoin channel: ")
+ (let* ((channel (car (split-string args)))
+ (buffer (rcirc-get-buffer-create process channel)))
+ (when (not (eq (selected-window) (minibuffer-window)))
+ (funcall rcirc-switch-to-buffer-function buffer))
+ (rcirc-send-string process (concat "JOIN " args))
+ (rcirc-set-last-buffer process buffer)))
+
+(defun-rcirc-command part (channel)
+ "Part CHANNEL."
+ (interactive "sPart channel: ")
+ (let ((channel (if (> (length channel) 0) channel target)))
+ (rcirc-send-string process (concat "PART " channel " :" (rcirc-version)))))
+
+(defun-rcirc-command quit (reason)
+ "Send a quit message to server with REASON."
+ (interactive "sQuit reason: ")
+ (rcirc-send-string process (concat "QUIT :" reason)))
+
+(defun-rcirc-command nick (nick)
+ "Change nick to NICK."
+ (interactive "i")
+ (when (null nick)
+ (setq nick (read-string "New nick: " (rcirc-nick process))))
+ (rcirc-send-string process (concat "NICK " nick)))
+
+(defun-rcirc-command names (channel)
+ "Display list of names in CHANNEL or in current channel if CHANNEL is nil.
+If called interactively, prompt for a channel when prefix arg is supplied."
+ (interactive "P")
+ (if (interactive-p)
+ (if channel
+ (setq channel (read-string "List names in channel: " target))))
+ (let ((channel (if (> (length channel) 0)
+ channel
+ target)))
+ (rcirc-send-string process (concat "NAMES " channel))))
+
+(defun-rcirc-command topic (topic)
+ "List TOPIC for the TARGET channel.
+With a prefix arg, prompt for new topic."
+ (interactive "P")
+ (if (and (interactive-p) topic)
+ (setq topic (read-string "New Topic: " rcirc-topic)))
+ (rcirc-send-string process (concat "TOPIC " target
+ (when (> (length topic) 0)
+ (concat " :" topic)))))
+
+(defun-rcirc-command whois (nick)
+ "Request information from server about NICK."
+ (interactive (list
+ (completing-read "Whois: "
+ (with-current-buffer
+ (process-buffer rcirc-process)
+ rcirc-nick-table))))
+ (rcirc-set-last-buffer rcirc-process (current-buffer))
+ (rcirc-send-string process (concat "WHOIS " nick)))
+
+(defun-rcirc-command mode (args)
+ "Set mode with ARGS."
+ (interactive (list (concat (read-string "Mode nick or channel: ")
+ " " (read-string "Mode: "))))
+ (rcirc-send-string process (concat "MODE " args)))
+
+(defun-rcirc-command list (channels)
+ "Request information on CHANNELS from server."
+ (interactive "sList Channels: ")
+ (rcirc-send-string process (concat "LIST " channels)))
+
+(defun-rcirc-command oper (args)
+ "Send operator command to server."
+ (interactive "sOper args: ")
+ (rcirc-send-string process (concat "OPER " args)))
+
+(defun-rcirc-command quote (message)
+ "Send MESSAGE literally to server."
+ (interactive "sServer message: ")
+ (rcirc-send-string process message))
+
+(defun-rcirc-command kick (arg)
+ "Kick NICK from current channel."
+ (interactive (list
+ (concat (completing-read "Kick nick: "
+ (rcirc-channel-nicks rcirc-process
+ rcirc-target))
+ (read-from-minibuffer "Kick reason: "))))
+ (let* ((arglist (split-string arg))
+ (argstring (concat (car arglist) " :"
+ (mapconcat 'identity (cdr arglist) " "))))
+ (rcirc-send-string process (concat "KICK " target " " argstring))))
+
+(defun rcirc-cmd-ctcp (args &optional process target)
+ (if (string-match "^\\([^ ]+\\)\\s-+\\(.+\\)$" args)
+ (let ((target (match-string 1 args))
+ (request (match-string 2 args)))
+ (rcirc-send-message process target
+ (concat "\C-a" (upcase request) "\C-a")))
+ (rcirc-print process (rcirc-nick process) "ERROR" target
+ "usage: /ctcp NICK REQUEST")))
+
+(defun rcirc-cmd-me (args &optional process target)
+ (rcirc-send-string process (format "PRIVMSG %s :\C-aACTION %s\C-a"
+ target args)))
+\f
+(defun rcirc-message-leader (sender face)
+ "Return a string with SENDER propertized with FACE."
+ (rcirc-facify (concat "<" (rcirc-user-nick sender) "> ") face))
+
+(defun rcirc-facify (string face)
+ "Return a copy of STRING with FACE property added."
+ (propertize (or string "") 'face face 'rear-nonsticky t))
+
+;; shy grouping must be used within this regexp
+(defvar rcirc-url-regexp
+ "\\b\\(?:\\(?:www\\.\\|\\(?:s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\
+\\|wais\\|mailto\\):\\)\\(?://[-a-zA-Z0-9_.]+:[0-9]*\\)?\\(?:[-a-zA-Z0-9_=!?#$\
+@~`%&*+|\\/:;.,]\\|\\w\\)+\\(?:[-a-zA-Z0-9_=#$@~`%&*+|\\/]\\|\\w\\)\\)"
+ "Regexp matching URL's. Set to nil to disable URL features in rcirc.")
+
+(defun rcirc-browse-url (&optional arg)
+ "Prompt for url to browse based on urls in buffer."
+ (interactive)
+ (let ((completions (mapcar (lambda (x) (cons x nil)) rcirc-urls))
+ (initial-input (car rcirc-urls))
+ (history (cdr rcirc-urls)))
+ (browse-url (completing-read "rcirc browse-url: "
+ completions nil nil initial-input 'history)
+ arg)))
+
+(defun rcirc-map-regexp (function regexp string)
+ "Return a copy of STRING after calling FUNCTION for each REGEXP match.
+FUNCTION takes 3 arguments, MATCH-START, MATCH-END, and STRING."
+ (let ((start 0))
+ (while (string-match regexp string start)
+ (setq start (match-end 0))
+ (funcall function (match-beginning 0) (match-end 0) string)))
+ string)
+
+(defvar rcirc-nick-syntax-table
+ (let ((table (make-syntax-table text-mode-syntax-table)))
+ (mapc (lambda (c) (modify-syntax-entry c "w" table))
+ "[]\\`_^{|}-")
+ (modify-syntax-entry ?' "_" table)
+ table)
+ "Syntax table which includes all nick characters as word constituents.")
+
+(defun rcirc-mangle-text (process text)
+ "Return TEXT with properties added based on various patterns."
+ ;; ^B
+ (setq text
+ (rcirc-map-regexp (lambda (start end string)
+ (add-text-properties
+ start end
+ (list 'face 'bold 'rear-nonsticky t)
+ string))
+ "\ 2.*?\ 2"
+ text))
+ (while (string-match "\\(.*\\)[\ 2\ 1]\\(.*\\)" text) ; deal with \1f
+ (setq text (concat (match-string 1 text)
+ (match-string 2 text))))
+ ;; my nick
+ (setq text
+ (with-syntax-table rcirc-nick-syntax-table
+ (rcirc-map-regexp (lambda (start end string)
+ (add-text-properties
+ start end
+ (list 'face 'rcirc-nick-in-message-face
+ 'rear-nonsticky t)
+ string))
+ (concat "\\b"
+ (regexp-quote (rcirc-nick process))
+ "\\b")
+ text)))
+ ;; urls
+ (setq text
+ (rcirc-map-regexp
+ (lambda (start end string)
+ (let ((orig-face (get-text-property start 'face string)))
+ (add-text-properties start end
+ (list 'face (list orig-face 'bold)
+ 'rear-nonsticky t)
+ string))
+ (push (substring string start end) rcirc-urls))
+ rcirc-url-regexp
+ text))
+ text)
+
+\f
+;;; handlers
+;; these are called with the server PROCESS, the SENDER, which is a
+;; server or a user, depending on the command, the ARGS, which is a
+;; list of strings, and the TEXT, which is the original server text,
+;; verbatim
+(defun rcirc-handler-001 (process sender args text)
+ (rcirc-handler-generic process "001" sender args text)
+ ;; set the real server name
+ (with-current-buffer (process-buffer process)
+ (setq rcirc-server sender)
+ (setq rcirc-nick (car args))
+ (rcirc-update-prompt)
+ (when rcirc-auto-authenticate-flag (rcirc-authenticate))
+ (let (rcirc-last-buffer)
+ (rcirc-join-channels process rcirc-startup-channels))))
+
+(defun rcirc-handler-PRIVMSG (process sender args text)
+ (let ((target (if (rcirc-channel-p (car args))
+ (car args)
+ (rcirc-user-nick sender)))
+ (message (or (cadr args) "")))
+ (if (string-match "^\C-a\\(.*\\)\C-a$" message)
+ (rcirc-handler-CTCP process target sender (match-string 1 message))
+ (rcirc-print process sender "PRIVMSG" target message t))
+ ;; update nick timestamp
+ (if (member target (rcirc-nick-channels process sender))
+ (rcirc-put-nick-channel process sender target))))
+
+(defun rcirc-handler-NOTICE (process sender args text)
+ (let ((target (car args))
+ (message (cadr args)))
+ (rcirc-print process sender "NOTICE"
+ (cond ((rcirc-channel-p target)
+ target)
+ ((string-match "^\\[\\(#[^ ]+\\)\\]" message)
+ (match-string 1 message))
+ (sender
+ (if (string= sender (rcirc-server process))
+ (process-buffer process)
+ (rcirc-user-nick sender))))
+ message t)
+ (and sender (rcirc-put-nick-channel process sender target))))
+
+(defun rcirc-handler-WALLOPS (process sender args text)
+ (let ((target (rcirc-user-nick sender)))
+ (rcirc-print process sender "WALLOPS" target (car args) t)))
+
+(defun rcirc-handler-JOIN (process sender args text)
+ (let ((channel (downcase (car args)))
+ (nick (rcirc-user-nick sender)))
+ (rcirc-get-buffer-create process channel)
+ (rcirc-print process sender "JOIN" channel "")
+
+ ;; print in private chat buffer if it exists
+ (if (not (eq (process-buffer rcirc-process)
+ (rcirc-get-buffer rcirc-process nick)))
+ (rcirc-print process sender "JOIN" nick channel))
+
+ (rcirc-put-nick-channel process sender channel)
+ (if (string= nick (rcirc-nick process))
+ (setq rcirc-channels (cons channel rcirc-channels)))))
+
+;; PART and KICK are handled the same way
+(defun rcirc-handler-PART-or-KICK (process response channel sender nick args)
+ (rcirc-print process sender response channel (concat channel " " args))
+
+ ;; print in private chat buffer if it exists
+ (when (not (eq (process-buffer rcirc-process)
+ (rcirc-get-buffer rcirc-process nick)))
+ (rcirc-print process sender response nick (concat channel " " args)))
+
+ (if (not (string= nick (rcirc-nick process)))
+ ;; this is someone else leaving
+ (rcirc-remove-nick-channel process nick channel)
+ ;; this is us leaving
+ (mapc (lambda (n)
+ (rcirc-remove-nick-channel process n channel))
+ (rcirc-channel-nicks process channel))
+ (setq rcirc-channels (delete channel rcirc-channels))
+ (with-current-buffer (rcirc-get-buffer process channel)
+ (setq rcirc-target nil))))
+
+(defun rcirc-handler-PART (process sender args text)
+ (rcirc-handler-PART-or-KICK process "PART"
+ (car args) sender (rcirc-user-nick sender)
+ (cadr args)))
+
+(defun rcirc-handler-KICK (process sender args text)
+ (rcirc-handler-PART-or-KICK process "KICK" (car args) sender (cadr args)
+ (caddr args)))
+
+(defun rcirc-handler-QUIT (process sender args text)
+ (let ((nick (rcirc-user-nick sender)))
+ (mapc (lambda (channel)
+ (rcirc-print process sender "QUIT" channel (apply 'concat args)))
+ (rcirc-nick-channels process nick))
+
+ ;; print in private chat buffer if it exists
+ (if (not (eq (process-buffer rcirc-process)
+ (rcirc-get-buffer rcirc-process nick)))
+ (rcirc-print process sender "QUIT" nick (apply 'concat args)))
+
+ (rcirc-nick-remove process nick)))
+
+(defun rcirc-handler-NICK (process sender args text)
+ (let* ((old-nick (rcirc-user-nick sender))
+ (new-nick (car args))
+ (channels (rcirc-nick-channels process old-nick)))
+ ;; print message to nick's channels
+ (dolist (target channels)
+ (rcirc-print process sender "NICK" target new-nick))
+ ;; update private chat buffer, if it exists
+ (with-current-buffer (rcirc-get-buffer process old-nick)
+ (when (not (equal (process-buffer rcirc-process)
+ (current-buffer)))
+ (rcirc-print process sender "NICK" old-nick new-nick)
+ (setq rcirc-target new-nick)
+ (rename-buffer (rcirc-get-buffer-name process new-nick))))
+ ;; remove old nick and add new one
+ (with-current-buffer (process-buffer process)
+ (let ((v (gethash old-nick rcirc-nick-table)))
+ (remhash old-nick rcirc-nick-table)
+ (puthash new-nick v rcirc-nick-table))
+ ;; if this is our nick...
+ (when (string= old-nick rcirc-nick)
+ (setq rcirc-nick new-nick)
+ ;; update prompts
+ (mapc (lambda (target)
+ (with-current-buffer (rcirc-get-buffer process target)
+ (rcirc-update-prompt)))
+ (append rcirc-channels rcirc-private-chats))
+ ;; reauthenticate
+ (when rcirc-auto-authenticate-flag (rcirc-authenticate))))))
+
+(defun rcirc-handler-PING (process sender args text)
+ (rcirc-send-string process (concat "PONG " (car args))))
+
+(defun rcirc-handler-PONG (process sender args text)
+ ;; do nothing
+ )
+
+(defun rcirc-handler-TOPIC (process sender args text)
+ (let ((topic (cadr args)))
+ (rcirc-print process sender "TOPIC" (car args) topic)
+ (with-current-buffer (rcirc-get-buffer process (car args))
+ (setq rcirc-topic topic))))
+
+(defun rcirc-handler-332 (process sender args text)
+ "RPL_TOPIC"
+ (with-current-buffer (rcirc-get-buffer process (cadr args))
+ (setq rcirc-topic (caddr args))))
+
+(defun rcirc-handler-333 (process sender args text)
+ "Not in rfc1459.txt"
+ (with-current-buffer (rcirc-get-buffer process (cadr args))
+ (let ((setter (caddr args))
+ (time (current-time-string
+ (seconds-to-time
+ (string-to-number (cadddr args))))))
+ (rcirc-print process sender "TOPIC" (cadr args)
+ (format "%s (%s on %s)" rcirc-topic setter time)))))
+
+(defun rcirc-handler-477 (process sender args text)
+ "ERR_NOCHANMODES"
+ (rcirc-print process sender "477" (cadr args) (caddr args)))
+
+(defun rcirc-handler-MODE (process sender args text)
+ (let ((target (car args))
+ (msg (mapconcat 'identity (cdr args) " ")))
+ (rcirc-print process sender "MODE"
+ (if (string= target (rcirc-nick process))
+ nil
+ target)
+ msg)
+
+ ;; print in private chat buffers if they exist
+ (mapc (lambda (nick)
+ (when (not (eq (process-buffer rcirc-process)
+ (rcirc-get-buffer rcirc-process nick)))
+ (rcirc-print process sender "MODE" nick msg)))
+ (cddr args))))
+
+(defun rcirc-get-temp-buffer-create (process channel)
+ "Return a buffer based on PROCESS and CHANNEL."
+ (let ((tmpnam (concat " " (downcase channel) "TMP" (process-name process))))
+ (get-buffer-create tmpnam)))
+
+(defun rcirc-handler-353 (process sender args text)
+ "RPL_NAMREPLY"
+ (let ((channel (downcase (caddr args))))
+ (mapc (lambda (nick)
+ (rcirc-put-nick-channel process nick channel))
+ (delete "" (split-string (cadddr args) " ")))
+ (with-current-buffer (rcirc-get-temp-buffer-create process channel)
+ (goto-char (point-max))
+ (insert (car (last args)) " "))))
+
+(defun rcirc-handler-366 (process sender args text)
+ "RPL_ENDOFNAMES"
+ (let* ((channel (cadr args))
+ (buffer (rcirc-get-temp-buffer-create process channel)))
+ (with-current-buffer buffer
+ (rcirc-print process sender "NAMES" channel
+ (buffer-substring (point-min) (point-max))))
+ (kill-buffer buffer)))
+
+(defun rcirc-handler-433 (process sender args text)
+ "ERR_NICKNAMEINUSE"
+ (rcirc-handler-generic process "433" sender args text)
+ (let* ((new-nick (concat (cadr args) "`")))
+ (with-current-buffer (process-buffer process)
+ (rcirc-cmd-nick new-nick nil process))))
+
+(defun rcirc-authenticate ()
+ "Send authentication to process associated with current buffer.
+Passwords are read from `rcirc-authinfo-file-name' (which see)."
+ (interactive)
+ (let ((password-alist
+ (with-temp-buffer
+ (insert-file-contents-literally rcirc-authinfo-file-name)
+ (goto-char (point-min))
+ (read (current-buffer)))))
+ (with-current-buffer (process-buffer rcirc-process)
+ (dolist (i password-alist)
+ (let ((server (car i))
+ (nick (cadr i))
+ (method (caddr i))
+ (args (cdddr i)))
+ (when (and (string-match server rcirc-server)
+ (string-match nick rcirc-nick))
+ (cond ((equal method 'nickserv)
+ (rcirc-send-string
+ rcirc-process
+ (concat
+ "PRIVMSG nickserv :identify "
+ (car args))))
+ ((equal method 'chanserv)
+ (rcirc-send-string
+ rcirc-process
+ (concat
+ "PRIVMSG chanserv :identify "
+ (car args) " " (cadr args))))
+ ((equal method 'bitlbee)
+ (rcirc-send-string
+ rcirc-process
+ (concat "PRIVMSG #bitlbee :identify " (car args))))
+ (t
+ (message "No %S authentication method defined"
+ method)))))))))
+
+(defun rcirc-handler-INVITE (process sender args text)
+ (rcirc-print process sender "INVITE" nil (mapconcat 'identity args " ") t))
+
+(defun rcirc-handler-ERROR (process sender args text)
+ (rcirc-print process sender "ERROR" nil (mapconcat 'identity args " ")))
+
+(defun rcirc-handler-CTCP (process target sender text)
+ (if (string-match "^\\([^ ]+\\) *\\(.*\\)$" text)
+ (let* ((request (upcase (match-string 1 text)))
+ (args (match-string 2 text))
+ (nick (rcirc-user-nick sender))
+ (handler (intern-soft (concat "rcirc-handler-ctcp-" request))))
+ (if (not (fboundp handler))
+ (rcirc-print process sender "ERROR" target
+ (format "unhandled ctcp: %s" text))
+ (funcall handler process target sender args)
+ (if (not (string= request "ACTION"))
+ (rcirc-print process sender "CTCP" target
+ (format "%s" text)))))))
+
+(defun rcirc-handler-ctcp-VERSION (process target sender args)
+ (rcirc-send-string process
+ (concat "NOTICE " (rcirc-user-nick sender)
+ " :\C-aVERSION " (rcirc-version)
+ " - http://www.nongnu.org/rcirc"
+ "\C-a")))
+
+(defun rcirc-handler-ctcp-ACTION (process target sender args)
+ (rcirc-print process sender "ACTION" target args t))
+
+(defun rcirc-handler-ctcp-TIME (process target sender args)
+ (rcirc-send-string process
+ (concat "NOTICE " (rcirc-user-nick sender)
+ " :\C-aTIME " (current-time-string) "\C-a")))
+\f
+(defface rcirc-my-nick-face
+ '((((type tty) (class color)) (:foreground "blue" :weight bold))
+ (((class color) (background light)) (:foreground "Blue"))
+ (((class color) (background dark)) (:foreground "LightSkyBlue"))
+ (t (:inverse-video t :bold t)))
+ "The rcirc face used to highlight my messages."
+ :group 'rcirc)
+
+(defface rcirc-other-nick-face
+ '((((type tty) (class color)) (:foreground "yellow" :weight light))
+ (((class grayscale) (background light))
+ (:foreground "Gray90" :bold t :italic t))
+ (((class grayscale) (background dark))
+ (:foreground "DimGray" :bold t :italic t))
+ (((class color) (background light)) (:foreground "DarkGoldenrod"))
+ (((class color) (background dark)) (:foreground "LightGoldenrod"))
+ (t (:bold t :italic t)))
+ "The rcirc face used to highlight other messages."
+ :group 'rcirc)
+
+(defface rcirc-server-face
+ '((((type tty pc) (class color) (background light)) (:foreground "red"))
+ (((type tty pc) (class color) (background dark)) (:foreground "red1"))
+ (((class grayscale) (background light))
+ (:foreground "DimGray" :bold t :italic t))
+ (((class grayscale) (background dark))
+ (:foreground "LightGray" :bold t :italic t))
+ (((class color) (background light)) (:foreground "gray40"))
+ (((class color) (background dark)) (:foreground "chocolate1"))
+ (t (:bold t :italic t)))
+ "The rcirc face used to highlight server messages."
+ :group 'rcirc)
+
+(defface rcirc-nick-in-message-face
+ '((((type tty) (class color)) (:foreground "cyan" :weight bold))
+ (((class grayscale) (background light)) (:foreground "LightGray" :bold t))
+ (((class grayscale) (background dark)) (:foreground "DimGray" :bold t))
+ (((class color) (background light)) (:foreground "Purple"))
+ (((class color) (background dark)) (:foreground "Cyan"))
+ (t (:bold t)))
+ "The rcirc face used to highlight instances of nick within messages."
+ :group 'rcirc)
+
+(defface rcirc-prompt-face
+ '((((background dark)) (:foreground "cyan"))
+ (t (:foreground "dark blue")))
+ "The rcirc face to use to highlight prompts."
+ :group 'rcirc)
+
+(defface rcirc-mode-line-nick-face
+ '((t (:bold t)))
+ "The rcirc face used indicate activity directed at you."
+ :group 'rcirc)
+\f
+;; When using M-x flyspell-mode, only check words past the input marker
+(put 'rcirc-mode 'flyspell-mode-predicate 'rcirc-looking-at-input)
+(defun rcirc-looking-at-input ()
+ "Returns true if point is past the input marker."
+ (>= (point) rcirc-prompt-end-marker))
+\f
+
+(provide 'rcirc)
+;;; rcirc.el ends here