/usr/share/emacs/site-lisp/elpa-src/jabber-0.8.92/jabber-muc-nick-completion.el is in elpa-jabber 0.8.92+git98dc8e-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 | ;;; jabber-muc-nick-completion.el --- Add nick completion abilyty to emacs-jabber
;; Copyright (C) 2008 - Terechkov Evgenii - evg@altlinux.org
;; Copyright (C) 2007, 2008, 2010 - Kirill A. Korinskiy - catap@catap.ru
;; Copyright (C) 2007 - Serguei Jidkov - jsv@e-mail.ru
;; This file is a part of jabber.el.
;; This program 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 of the License, or
;; (at your option) any later version.
;; This program 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 this program; if not, write to the Free Software
;; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
;;; User customizations here:
(defcustom jabber-muc-completion-delimiter ": "
"String to add to end of completion line."
:type 'string
:group 'jabber-chat)
(defcustom jabber-muc-looks-personaling-symbols '("," ":" ">")
"Symbols for personaling messages"
:type '(repeat string)
:group 'jabber-chat)
(defcustom jabber-muc-personal-message-bonus (* 60 20)
"Bonus for personal message, in seconds."
:type 'integer
:group 'jabber-chat)
(defcustom jabber-muc-all-string "all"
"String meaning all conference members (to insert in completion). Note that \":\" or alike not needed (it appended in other string)"
:type 'string
:group 'jabber-chat)
;;; History:
;;
;;; Code:
(require 'cl)
(require 'jabber-muc)
(require 'hippie-exp)
(defvar *jabber-muc-participant-last-speaking* nil
"Global alist in form (group . ((member . time-of-last-speaking) ...) ...).")
(defun jabber-my-nick (&optional group)
"Return my jabber nick in GROUP."
(let ((room (or group jabber-group)))
(cdr (or (assoc room *jabber-active-groupchats*)
(assoc room jabber-muc-default-nicknames)))
))
;;;###autoload
(defun jabber-muc-looks-like-personal-p (message &optional group)
"Return non-nil if jabber MESSAGE is addresed to me.
Optional argument GROUP to look."
(if message (string-match (concat
"^"
(jabber-my-nick group)
(regexp-opt jabber-muc-looks-personaling-symbols))
message)
nil))
(defun jabber-muc-nicknames ()
"List of conference participants, excluding self, or nil if we not in conference."
(delete-if '(lambda (nick)
(string= nick (jabber-my-nick)))
(append (mapcar 'car (cdr (assoc jabber-group jabber-muc-participants))) (list jabber-muc-all-string))))
(defun jabber-muc-participant-update-activity (group nick time)
"Updates NICK's time of last speaking in GROUP to TIME."
(let* ((room (assoc group *jabber-muc-participant-last-speaking*))
(room-activity (cdr room))
(entry (assoc nick room-activity))
(old-time (or (cdr entry) 0)))
(when (> time old-time)
;; don't use put-alist for speed
(progn
(if entry (setcdr entry time)
(setq room-activity
(cons (cons nick time) room-activity)))
(if room (setcdr room room-activity)
(setq *jabber-muc-participant-last-speaking*
(cons (cons group room-activity)
*jabber-muc-participant-last-speaking*)))))))
(defun jabber-muc-track-message-time (nick group buffer text &optional title)
"Tracks time of NICK's last speaking in GROUP."
(when nick
(let ((time (float-time)))
(jabber-muc-participant-update-activity
group
nick
(if (jabber-muc-looks-like-personal-p text group)
(+ time jabber-muc-personal-message-bonus)
time)))))
(defun jabber-sort-nicks (nicks group)
"Return list of NICKS in GROUP, sorted."
(let ((times (cdr (assoc group *jabber-muc-participant-last-speaking*))))
(flet ((fetch-time (nick) (or (assoc nick times) (cons nick 0)))
(cmp (nt1 nt2)
(let ((t1 (cdr nt1))
(t2 (cdr nt2)))
(if (and (zerop t1) (zerop t2))
(string<
(car nt1)
(car nt2))
(> t1 t2)))))
(mapcar 'car (sort (mapcar 'fetch-time nicks)
'cmp)))))
(defun jabber-muc-beginning-of-line ()
"Return position of line begining."
(save-excursion
(if (looking-back jabber-muc-completion-delimiter)
(backward-char (+ (length jabber-muc-completion-delimiter) 1)))
(skip-syntax-backward "^-")
(point)))
;;; One big hack:
(defun jabber-muc-completion-delete-last-tried ()
"Delete last tried competion variand from line."
(let ((last-tried (car he-tried-table)))
(when last-tried
(goto-char he-string-beg)
(delete-char (length last-tried))
(ignore-errors (delete-char (length jabber-muc-completion-delimiter)))
)))
(defun try-expand-jabber-muc (old)
"Try to expand target nick in MUC according to last speaking time.
OLD is last tried nickname."
(unless jabber-chatting-with
(unless old
(let ((nicknames (jabber-muc-nicknames)))
(he-init-string (jabber-muc-beginning-of-line) (point))
(setq he-expand-list (jabber-sort-nicks (all-completions he-search-string (mapcar 'list nicknames)) jabber-group))))
(setq he-expand-list
(delete-if '(lambda (x)
(he-string-member x he-tried-table))
he-expand-list))
(if (null he-expand-list)
(progn
(when old
;; here and later : its hack to workaround
;; he-substitute-string work which cant substitute empty
;; lines
(if (string= he-search-string "")
(jabber-muc-completion-delete-last-tried)
(he-reset-string)))
())
(let ((subst (if (eq (line-beginning-position) (jabber-muc-beginning-of-line))
(concat (car he-expand-list) jabber-muc-completion-delimiter)
(car he-expand-list))))
(if (not (string= he-search-string ""))
(he-substitute-string subst)
(jabber-muc-completion-delete-last-tried)
(progn
(insert subst)
(if (looking-back (concat "^" (regexp-quote (car he-expand-list))))
(unless (looking-back (concat "^" (regexp-quote (car he-expand-list)) jabber-muc-completion-delimiter))
(insert jabber-muc-completion-delimiter)))
)
))
(setq he-tried-table (cons (car he-expand-list) (cdr he-tried-table)))
(setq he-expand-list (cdr he-expand-list))
t)))
(add-hook 'jabber-muc-hooks 'jabber-muc-track-message-time)
(fset 'jabber-muc-completion (make-hippie-expand-function '(try-expand-jabber-muc)))
(define-key jabber-chat-mode-map [?\t] 'jabber-muc-completion)
(provide 'jabber-muc-nick-completion)
;; arch-tag: 2a81ac72-d261-11dc-be91-000a95c2fcd0
;;; jabber-muc-completion.el ends here
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