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;;; jabber-version.el --- version reporting by JEP-0092 -*- lexical-binding: t; -*-
;; Copyright (C) 2003, 2004, 2008 - Magnus Henoch - mange@freemail.hu
;; Copyright (C) 2002, 2003, 2004 - tom berger - object@intelectronica.net
;; 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
(require 'jabber-iq)
(require 'jabber-util)
(require 'jabber-disco)
(require 'jabber-menu)
(require 'find-func)
(require 'lisp-mnt)
(defcustom jabber-version-show t
"Show our client version to others. Acts on loading."
:type 'boolean
:group 'jabber)
(defconst jabber-version (lm-version (find-library-name "jabber"))
"Version string extracted from jabber.el.
This value provides the version field of the XEP-0092 Service Discovery
jabber:iq:version query response, when `jabber-version-show` is non
`nil`.")
(add-to-list 'jabber-jid-info-menu
(cons "Request software version" 'jabber-get-version))
(defun jabber-get-version (jc to)
"Request software version.
JC is the Jabber connection."
(interactive (list
(jabber-read-account)
(jabber-read-jid-completing "Request version of: " nil nil nil 'full t)))
(jabber-send-iq jc to
"get"
'(query ((xmlns . "jabber:iq:version")))
#'jabber-process-data #'jabber-process-version
#'jabber-process-data "Version request failed"))
;; called by jabber-process-data
(defun jabber-process-version (_jc xml-data)
"Handle results from jabber:iq:version requests.
JC is the Jabber connection.
XML-DATA is the parsed tree data from the stream (stanzas)
obtained from `xml-parse-region'."
(let ((query (jabber-iq-query xml-data)))
(dolist (x '((name . "Name:\t\t") (version . "Version:\t") (os . "OS:\t\t")))
(let ((data (car (jabber-xml-node-children (car (jabber-xml-get-children query (car x)))))))
(when data
(insert (cdr x) data "\n"))))))
(if jabber-version-show
(and
(add-to-list 'jabber-iq-get-xmlns-alist (cons "jabber:iq:version" 'jabber-return-version))
(jabber-disco-advertise-feature "jabber:iq:version")))
(defun jabber-return-version (jc xml-data)
"Return client version as defined in XEP-0092.
Sender and ID are determined from the incoming packet passed in XML-DATA.
JC is the Jabber connection."
;; Things we might check: does this iq message really have type='get' and
;; exactly one child, namely query with xmlns='jabber:iq:version'?
;; Then again, jabber-process-iq should take care of that.
(let ((to (jabber-xml-get-attribute xml-data 'from))
(id (jabber-xml-get-attribute xml-data 'id))
(os (format "%s %d.%d (%s)"
(cond ((featurep 'xemacs) "XEmacs")
(t "Emacs"))
emacs-major-version emacs-minor-version
system-type)))
(jabber-send-iq jc to "result"
`(query ((xmlns . "jabber:iq:version"))
(name () "jabber.el")
(version () ,jabber-version)
;; Booting... /vmemacs.el
;; Shamelessly stolen from someone's sig.
(os () ,os))
nil nil nil nil
id)))
(provide 'jabber-version)
;;; jabber-version.el ends here
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