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|
;;;;; -*-coding: iso-8859-1;-*-
;;;;;
;;;;; Copyright (C) 1991-2002 Lysator Academic Computer Association.
;;;;;
;;;;; This file is part of the LysKOM Emacs LISP client.
;;;;;
;;;;; LysKOM 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.
;;;;;
;;;;; LysKOM 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 LysKOM; see the file COPYING. If not, write to
;;;;; Lysator, c/o ISY, Linkoping University, S-581 83 Linkoping, SWEDEN,
;;;;; or the Free Software Foundation, Inc., 675 Mass Ave, Cambridge,
;;;;; MA 02139, USA.
;;;;;
;;;;; Please mail bug reports to bug-lyskom@lysator.liu.se.
;;;;;
;;;; ================================================================
;;;; ================================================================
;;;;
;;;; File: startup.el
;;;;
;;;; This file contains functions that are called only when lyskom
;;;; is loaded, started or when a new user is logged in during a
;;;; session.
;;;;
;;; ================================================================
;;; Start kom.
(defvar lyskom-www-proxy-connect-phase 1
"Phase when reading connection response from www-proxy:
1: (initial phase) waiting for the
string \"HTTP/1.0 2000 Connection established\"
2: we have seen the connection string. After this, it may come lines stating
proxy-agents and other things. They all seem to end with an empty line,
so in this phase we wait for an empty line.")
(eval-and-compile
(defun lyskom-compilation-in-progress ()
"Returns non-nil if the client currently is being compiled, else nil."
;; This horrid code is inspired from how cl-compiling-file in the
;; cl package works.
(let ((buf (car (delq nil
(mapcar (lambda (sym)
(and (boundp sym) (symbol-value sym)))
'(bytecomp-outbuffer byte-compile-outbuffer outbuffer))))))
(and (bufferp buf) (equal (buffer-name buf) " *Compiler Output*")))))
(defun lyskom-is-running-compiled ()
(condition-case nil
(or (eval-when-compile (lyskom-compilation-in-progress))
(byte-code-function-p (symbol-function 'lyskom-is-running-compiled)))
(error nil)))
;;;###autoload
(defun lyskom (&optional host username password session-priority invisiblep)
"Start a LysKOM session.
Optional arguments: HOST, USERNAME, PASSWORD and INVISIBLEP.
A numeric prefix argument sets the session priority. A prefix argument
of `C-u', on the other hand, logs in the session without notifying other
clients of the event. See lyskom-mode for details on lyskom."
(interactive (list (lyskom-read-server-name)
nil
nil
(if current-prefix-arg
(prefix-numeric-value current-prefix-arg)
nil)
(and current-prefix-arg (listp current-prefix-arg))))
(run-hooks 'lyskom-init-hook)
(setq username
(or username
kom-default-user-name
(getenv "KOMNAME")))
(setq password
(or password
(when (and lyskom-default-password ; Got default password?
(or (not lyskom-server-name) ; For this host?
(string= lyskom-server-name
host)))
lyskom-default-password)
kom-default-password
(getenv "KOMPASSWORD")))
(if (zerop (length host))
(let* ((env-kom (getenv "KOMSERVER"))
(canon (or (lyskom-string-rassoc env-kom kom-server-aliases)
(lyskom-string-rassoc env-kom kom-builtin-server-aliases))))
(setq host (or (car canon)
env-kom
lyskom-default-server
kom-default-server))))
(let ((port 4894)
(init-done nil))
(cond ;Allow "nanny:4892" to use port 4892.
((string-match ":" host)
(setq port (lyskom-string-to-number (substring host (match-end 0))))
(cond
((zerop (match-beginning 0))
(setq host (or lyskom-default-server kom-default-server)))
(t
(setq host (substring host 0 (match-beginning 0)))))))
(let* ((duplicate-buffers
(delq nil
(mapcar (lambda (buffer)
(and (lyskom-buffer-p buffer t)
(buffer-name buffer)
(string-match (regexp-quote host)
(buffer-name buffer))
(save-current-buffer
(set-buffer buffer)
(and
(boundp 'lyskom-server-port)
(eq port lyskom-server-port)))
buffer))
(buffer-list))))
(name nil)
(proc nil)
(buffer (car duplicate-buffers))
;; (alive (lyskom-buffer-p buffer))
(reused-buffer nil))
;;<<<<<<< startup.el
;; (if (and buffer
;; alive
;;=======
(if (and (lyskom-buffer-p buffer nil)
(not (prog1
(j-or-n-p (lyskom-get-string
'start-new-session-same-server))
(message ""))))
(progn
(switch-to-buffer buffer)
(setq reused-buffer t))
(unwind-protect
(progn
(cond ((and buffer (not (lyskom-buffer-p buffer)))
(set-buffer buffer)
(setq reused-buffer t)
(goto-char (point-max))
(lyskom-insert
(format (lyskom-get-string 'new-session-in-buffer)
(lyskom-format-time
'timeformat-day-yyyy-mm-dd-hh-mm-ss)))
(setq name (buffer-name buffer)))
(t
(setq buffer (lyskom-generate-new-buffer host))
(setq name (buffer-name buffer))))
(let* ((www-proxy-host-string
(cond ((stringp kom-www-proxy) kom-www-proxy)
((listp kom-www-proxy)
(or (cdr (lyskom-string-assoc host kom-www-proxy))
(cdr (assq t kom-www-proxy))
nil))
(t nil)))
(www-proxy-host nil)
(www-proxy-port nil)
(match (string-match "\\(.*\\):\\([0-9]+\\)"
(or www-proxy-host-string "")))
(headers nil))
(setq www-proxy-host (or (and match
(match-string 1 www-proxy-host-string))
www-proxy-host-string)
www-proxy-port (or (and match
(lyskom-string-to-number
(match-string 2
www-proxy-host-string)))
80))
(cond (www-proxy-host
(setq headers
(cond ((stringp kom-www-proxy-headers)
(list kom-www-proxy-headers))
((and (listp kom-www-proxy-headers)
(stringp (car kom-www-proxy-headers)))
kom-www-proxy-headers)
((and (listp kom-www-proxy-headers)
(consp (car kom-www-proxy-headers)))
(cdr (or (lyskom-string-assoc www-proxy-host
kom-www-proxy-headers)
(assq t kom-www-proxy-headers))))))
(setq proc (lyskom-open-network-stream name buffer
www-proxy-host
www-proxy-port))
;; We do explicit coding
(lyskom-set-process-coding-system proc 'no-conversion 'no-conversion)
;; Install our filter.
;; Do this before we send the CONNECT command to
;; the proxy, in case the proxy answers fast.
(setq lyskom-www-proxy-connect-phase 1)
(set-process-filter proc
'lyskom-www-proxy-connect-filter)
(lyskom-set-process-query-on-exit-flag proc nil)
(lyskom-process-send-string
proc
(format "CONNECT %s:%d HTTP/1.0\r\n"
host port))
(mapc (lambda (header)
(lyskom-process-send-string proc header)
(lyskom-process-send-string proc "\r\n"))
headers)
(lyskom-process-send-string proc "\r\n")
;; Now wait for the answer from the proxy
;;
;; This is because anything we send before the
;; connection ack will be thrown away by the proxy
;; so it is bad to try to start talking with the
;; server before the connection is up.
(while (eq 'lyskom-www-proxy-connect-filter
(process-filter proc))
(accept-process-output proc))
;; Now the proxy has connected to the kom server
)
(t (setq proc (lyskom-open-network-stream name buffer
host port))
;; We do explicit coding
(lyskom-set-process-coding-system proc 'no-conversion 'no-conversion))))
(switch-to-buffer buffer)
(lyskom-mode) ;Clearing lyskom-default...
(setq lyskom-buffer buffer)
(setq lyskom-server-name host)
(setq lyskom-server-port port)
(setq lyskom-proc proc)
(lyskom-setup-faces-for-buffer)
(lyskom-check-configuration)
(lyskom-insert
(lyskom-format 'try-connect lyskom-clientversion host))
(set-process-filter proc 'lyskom-connect-filter)
(lyskom-set-process-query-on-exit-flag proc nil)
(lyskom-process-send-string
proc
(concat "A"
(lyskom-format-objects
(concat (user-login-name)
"%" (system-name)))
"\n"))
(while (eq 'lyskom-connect-filter (process-filter proc))
(accept-process-output proc))
;; Now we have got the correct response.
(set-process-sentinel proc 'lyskom-sentinel)
(save-current-buffer
(lyskom-init-parse buffer))
;; Set up timestamps and stuff
(lyskom-set-connection-time-format t)
;; Async messages
(lyskom-accept-async)
;; +++PREFETCH+++
(lyskom-setup-prefetch)
;; Tell the server who we are
(initiate-set-client-version 'background nil
"lyskom.el" lyskom-clientversion)
(setq lyskom-server-version-info (blocking-do 'get-version-info))
(when (or (null lyskom-server-version-info)
(<= (version-info->protocol-version
lyskom-server-version-info) 7))
(lyskom-error 'too-old-server))
(lyskom-setup-client-for-server-version)
(setq lyskom-server-info (blocking-do 'get-server-info))
(lyskom-format-insert
'connection-done
(version-info->software-version lyskom-server-version-info))
(when (lyskom-have-call 85)
(setq lyskom-collate-table (blocking-do 'get-collate-table))
(setq lyskom-char-classes nil)
(lyskom-update-command-completion))
(if (not (zerop (server-info->motd-of-lyskom
lyskom-server-info)))
(blocking-do-multiple ((text (get-text
(server-info->motd-of-lyskom
lyskom-server-info)))
(text-stat (get-text-stat
(server-info->motd-of-lyskom
lyskom-server-info))))
(let* ((conf-stat (and text-stat (blocking-do 'get-conf-stat (text-stat->author text-stat))))
(str (and text text-stat (text->decoded-text-mass text text-stat))))
(if (null text-stat)
(lyskom-get-string 'lyskom-motd-was-garbed)
(lyskom-insert (lyskom-get-string 'server-has-motd))
(when (string-match "\n" str)
(setq str (substring str (match-end 0))))
(lyskom-format-insert
"%#2$%#1s\n"
(if kom-dashed-lines
(make-string kom-text-header-dash-length ?-)
"")
(when kom-highlight-dashed-lines
`(face ,(or kom-dashed-lines-face
lyskom-default-dashed-lines-face))))
(lyskom-format-insert "%#2$%#1t\n"
str
(when kom-highlight-text-body
`(face ,(or kom-text-body-face
lyskom-default-text-body-face))))
(lyskom-format-insert
"%#2$%#1s\n"
(lyskom-format-text-footer
text-stat
conf-stat
(cond ((eq (text-stat->author text-stat) 0)
(lyskom-get-string 'person-is-anonymous))
(conf-stat (conf-stat->name conf-stat))
(t (lyskom-format 'person-does-not-exist
(text-stat->author text-stat))))
kom-text-footer-format
lyskom-last-text-format-flags)
(when kom-highlight-dashed-lines
`(face ,(or kom-dashed-lines-face
lyskom-default-dashed-lines-face))))
))))
;; Can't use lyskom-end-of-command here.
(setq lyskom-executing-command nil)
;; Log in
(kom-start-anew t session-priority invisiblep username password)
(if (memq lyskom-buffer lyskom-buffer-list)
(while (not (eq lyskom-buffer (car lyskom-buffer-list)))
(setq lyskom-buffer-list
(nconc (cdr lyskom-buffer-list)
(list (car lyskom-buffer-list)))))
(setq lyskom-buffer-list
(cons lyskom-buffer lyskom-buffer-list)))
;; We're done
(setq init-done t)
)
;; Something went wrong. Lets cleanup everything. :->
(if init-done
nil
(if proc (delete-process proc))
(unless reused-buffer (kill-buffer buffer))))))))
(defun lyskom-accept-async ()
(blocking-do 'accept-async '(5 7 8 9 11 12 13 14 15 16 17 18 19 20 21 22))
(let* ((ans (blocking-do 'query-async)))
(unless (memq 15 (listify-vector ans))
;; async-new-text is not implemented, so use async-new-text-old
(blocking-do 'accept-async '(0 5 7 8 9 11 12 13 14 16 17 18 19 20 21 22)))))
(defun lyskom-www-proxy-connect-filter (proc output)
"Receive connection acknowledgement from proxy."
(if lyskom-debug-communications-to-buffer
(lyskom-debug-insert proc "-----> " output))
(cond
((and (= lyskom-www-proxy-connect-phase 1)
(string-match "^HTTP/1\\.. 200.*\r\n" output))
(setq lyskom-www-proxy-connect-phase 2)
;; safety check: see if the empty line is already in this output
(lyskom-www-proxy-connect-filter proc output))
((and (= lyskom-www-proxy-connect-phase 2)
(string-match "^\r\n" output))
(set-process-filter proc 'lyskom-connect-filter))))
(defun lyskom-open-network-stream (name buffer host service)
(let ((relay (lyskom-setup-ssh-relay host service buffer)))
(if relay
(open-network-stream name
buffer
"127.0.0.1"
(get relay 'relay-port))
(open-network-stream name
buffer
host
service))))
(defun lyskom-setup-ssh-relay (server port kom-buffer)
(when kom-ssh-relay-host
(let* ((procname (format "ssh<%s:%s:%d>" kom-ssh-relay-host server port))
(bufname (concat " *" procname "*"))
(proc (get-process procname))
(procsym (intern procname))
(relay-port (and proc
(eq (process-status proc) 'run)
(get procsym 'relay-port)))
(msg nil))
(unwind-protect
(save-current-buffer
(set-buffer (get-buffer-create bufname))
(if relay-port
(lyskom-message
"%s"
(lyskom-format (setq msg 'using-ssh-connection)
kom-ssh-relay-host))
(when proc (delete-process proc))
(setq relay-port (+ 10000 (random 20000)))
(put procsym 'relay-host
(if (string-match "@" kom-ssh-relay-host)
(substring kom-ssh-relay-host (1+ (match-beginning 0)))
kom-ssh-relay-host))
(put procsym 'relay-port relay-port)
(put procsym 'num-connected 0)
(lyskom-message
"%s"
(lyskom-format (setq msg 'opening-ssh-connection)
kom-ssh-relay-host))
(goto-char (point-max))
(insert "\n--- new connection ---\n")
(let ((old-lc-all (getenv "LC_ALL")))
(unwind-protect
(progn
(setenv "LC_ALL" "C")
(setq proc (start-process
procname
bufname
kom-ssh-command "-n" "-x"
"-L" (format "%d:%s:%d" relay-port server port)
kom-ssh-relay-host
"sh -c \"while :; do echo ok; sleep 600; done\"")))
(setenv "LC_ALL" old-lc-all)))
(lyskom-set-process-query-on-exit-flag proc nil))
(while (progn
(goto-char (point-max))
(re-search-backward "^--- .* ---$" nil t)
(not (re-search-forward "^ok$" nil t)))
(when (or (re-search-forward kom-ssh-general-errors nil t)
(not (eq 'run (process-status proc))))
(cond ((match-string 1)
(process-send-string
proc
(concat (lyskom-silent-read (match-string 1)) "\n"))
(delete-region (match-beginning 0)
(match-end 0)))
(t (error (lyskom-get-string 'ssh-cant-connect)
(buffer-substring-no-properties
(progn (beginning-of-line) (point))
(progn (skip-chars-forward "^\n\r")
(point)))))))
(sleep-for 0.5))
;; Check that local forwarding works.
(save-excursion
(goto-char (point-max))
(re-search-backward "^--- .* ---$" nil t)
(when (re-search-forward kom-ssh-forwarding-errors nil t)
(kill-process proc)
(error (lyskom-get-string 'ssh-cant-connect)
(buffer-substring-no-properties
(progn (beginning-of-line) (point))
(progn (skip-chars-forward "^\n\r")
(point))))))
(setq proc nil)
(lyskom-message
"%s"
(lyskom-format (concat
(lyskom-format msg kom-ssh-relay-host)
(lyskom-get-string 'done)))))
(if proc (delete-process proc)))
(save-current-buffer
(set-buffer kom-buffer)
(put procsym 'num-connected (1+ (or (get procsym 'num-connected) 0)))
(make-local-variable 'lyskom-ssh-proxy)
(setq lyskom-ssh-proxy procsym))
)))
(defun lyskom-setup-client-for-server-version ()
"Setup flags according to protocol versions."
(lyskom-clear-features)
(let ((protocol-version
(version-info->protocol-version lyskom-server-version-info)))
(when (>= protocol-version 8)
(lyskom-set-feature long-conf-types t))
(when (>= protocol-version 9)
(lyskom-set-feature dynamic-session-info t)
(lyskom-set-feature idle-time t))
(when (>= protocol-version 10)
(lyskom-set-feature bcc-misc t)
(lyskom-set-feature aux-items t)
(lyskom-set-feature highest-call 105)
(lyskom-set-feature local-to-global t))
(when (>= protocol-version 11)
(lyskom-set-feature read-ranges t)
(lyskom-set-feature highest-call 110))
))
(defun lyskom-connect-filter (proc output)
"Receive connection acknowledgement from server."
(if lyskom-debug-communications-to-buffer
(lyskom-debug-insert proc "-----> " output))
(cond
((string-match "^LysKOM\n" output)
(set-process-filter proc 'lyskom-filter))))
;;; ================================================================
;;; Start anew
(defun kom-start-anew (&optional lyskom-first-time-around session-priority invisiblep username password)
"Start/login as a new person. If INVISIBLEP is not nil, the login will not be
shown to other users."
(interactive)
(lyskom-start-of-command 'kom-start-anew)
(lyskom-completing-clear-cache)
(let ((new-me nil)
(login-successful nil)
(ignored-user-area-vars nil))
(unwind-protect
(progn
(if lyskom-first-time-around
(lyskom-init-membership)
(lyskom-tell-internat 'kom-tell-login))
;; We can't allow the prefetch to go on after the new user
;; is logged in, but to shut down the prefetch would be too
;; brutal, since the new login might be cancelled. To
;; prevent the blocking-do calls below from allowing
;; prefetch we set lyskom-inhibit-prefetch locally.
(let ((lyskom-inhibit-prefetch t))
(while (not new-me)
(if (and lyskom-first-time-around
username)
;; This is nil if we can't find a unique match.
(setq new-me
(if (integerp username)
username
(conf-z-info->conf-no
(lyskom-lookup-conf-by-name username
'(pers))))))
(if new-me
nil
(let ((name nil))
(while (or (null name) (string= name ""))
(setq name (lyskom-read-conf-name 'what-is-your-name
'(pers none) nil nil t)))
(setq new-me
(or (conf-z-info->conf-no
(lyskom-lookup-conf-by-name name '(pers)))
(lyskom-create-new-person name)))))
;; Now new-me contains a number of a person.
;; Lets log him in.
(if new-me
(let ((conf-stat (blocking-do 'get-conf-stat new-me))
(lyskom-inhibit-minibuffer-messages t))
;; Previously this code used lyskom-pers-no
;; directly instead of new-me, but that caused
;; problem with asynchrounous code trying to
;; access it.
;;
;; Setting lyskom-pers-no fscks up other things
;; if we do keyboard-quit in the middle, so don't.
;;
;; (setq lyskom-pers-no new-me)
;; DEBUG
(if (null conf-stat)
(lyskom-insert "You don't exist. Go away.\n"))
(lyskom-insert (concat (conf-stat->name conf-stat) "\n"))
(setq lyskom-first-time-around nil)
(if (blocking-do 'login new-me
(setq password
(or password
;; Use password read when creating
;; the person when loggin in new
;; users
(or lyskom-is-new-user
(lyskom-silent-read
(lyskom-get-string 'password)))))
(if invisiblep 1 0))
(progn
(if lyskom-is-new-user
(blocking-do 'add-member
(server-info->conf-pres-conf lyskom-server-info)
new-me
100
1
(lyskom-create-membership-type
nil nil nil nil nil nil nil nil)))
(setq login-successful t))
(lyskom-insert-string 'wrong-password)
(setq lyskom-default-password nil)
(setq password nil)
(when (lyskom-get-aux-item
(server-info->aux-item-list lyskom-server-info)
13) ; e-mail
(lyskom-insert 'wrong-password-help)
(mapc (lambda (el)
(lyskom-format-insert 'wrong-password-email
(aux-item->data el)))
(lyskom-get-aux-item
(server-info->aux-item-list lyskom-server-info)
13) ; e-mail
))
(setq new-me nil))
(setq lyskom-is-new-user nil))))
;; Now we are logged in.
(setq lyskom-pers-no new-me)
(setq lyskom-is-administrator nil)
(lyskom-insert-string 'are-logged-in)
(unless (lyskom-is-running-compiled)
(lyskom-insert-string 'warning-about-uncompiled-client))
(unless lyskom-dont-read-user-area
(setq ignored-user-area-vars (lyskom-read-options)))
(if kom-remember-password
(setq lyskom-default-password password))
;Update mode-line string if needed (as early as possible).
(lyskom-mode-name-from-host)
(when (or session-priority kom-default-session-priority)
(setq lyskom-session-priority
(or session-priority kom-default-session-priority)))
(lyskom-run-hook-with-args 'lyskom-change-conf-hook
lyskom-current-conf
0)
(lyskom-run-hook-with-args 'kom-change-conf-hook
lyskom-current-conf
0)
(setq lyskom-current-conf 0)
(cache-set-marked-texts (blocking-do 'get-marks))
;; What is this variable? It is never used. It is ust to
;; fill the cache?
(let ((lyskom-who-am-i (blocking-do 'who-am-i)))
(if lyskom-who-am-i (setq lyskom-session-no lyskom-who-am-i))))
;; If login succeeded, clear the caches and set the language
(when login-successful
(clear-all-caches)
(lyskom-init-membership)
(when (lyskom-set-language (lyskom-default-language) 'local)
(unless lyskom-have-one-login
(lyskom-set-language (lyskom-default-language) 'global)
(setq-default lyskom-language lyskom-language)
(setq-default kom-default-language (list lyskom-language)))
(lyskom-format-insert-before-prompt
'language-set-to
(lyskom-language-name (lyskom-default-language))
"Help on changing languages"
`(face underline
mouse-face highlight
lyskom-button t
lyskom-button-text ""
lyskom-button-type func
lyskom-buffer ,(current-buffer)
lyskom-button-arg
(kom-help ("Changing Languages" . language-help))))
)
(setq lyskom-have-one-login t))
(when ignored-user-area-vars
(lyskom-format-insert-before-prompt
'ignored-user-area-var
(mapconcat (lambda (x) (symbol-name (car x)))
ignored-user-area-vars
"\n ")
(lyskom-string= lyskom-clientversion lyskom-settings-version)
lyskom-settings-version
lyskom-clientversion
72)
(setq lyskom-saved-unknown-variables ignored-user-area-vars))
;; Show motd and encourage writing a presentation
(let ((conf-stat (blocking-do 'get-conf-stat lyskom-pers-no)))
(if (and conf-stat
(/= (conf-stat->msg-of-day conf-stat) 0))
(progn
(lyskom-insert-string 'you-have-motd)
(lyskom-view-text (conf-stat->msg-of-day conf-stat))))
(lyskom-nag-about-presentation t))
(setq lyskom-is-new-user nil)
;; Start the prefetch and update some basic caches
(lyskom-refetch))
(lyskom-end-of-command)))
;; Run the hook kom-login-hook. We don't want to hang the
;; login, just because something crashed here.
(condition-case err
(progn
(run-hooks 'lyskom-login-hook)
(run-hooks 'kom-login-hook))
(error (lyskom-format-insert-before-prompt
'error-in-login-hook (format "%s" err)))))
(defun lyskom-refetch ()
"Resets and fetches all reading info.
This is called at login and after prioritize and set-unread."
;; The whole membership!
(lyskom-init-membership)
(setq lyskom-to-do-list (lyskom-create-read-list))
(setq lyskom-reading-list (lyskom-create-read-list))
(lyskom-reset-prefetch)
(let ((lyskom-inhibit-prefetch t))
(let ((unreads (blocking-do 'get-unread-confs lyskom-pers-no)))
(lyskom-traverse conf-no (conf-no-list->conf-nos unreads)
(lyskom-prefetch-one-membership conf-no lyskom-pers-no)))
(lyskom-prefetch-membership lyskom-pers-no))
(lyskom-start-prefetch)
(condition-case nil
(progn (lyskom-update-read-faqs)
(lyskom-clean-read-faqs lyskom-pers-no)
(lyskom-update-rejected-recommendations)
(lyskom-startup-check-faqs)
(lyskom-startup-check-recommended-memberships))
(error nil)
(quit nil)))
(defun lyskom-create-new-person (name)
"A new user named NAME (or an old that mis-spelled his name)."
(lyskom-insert
(lyskom-format 'first-greeting name))
(lyskom-scroll)
(cond
((ja-or-nej-p (lyskom-format 'is-name-correct name))
(let ((password (lyskom-silent-read (lyskom-get-string 'personal-password))))
(cond
((not (equal password
(lyskom-silent-read (lyskom-get-string 'repeat-password))))
;; Failed to enter the same password twice
(lyskom-insert-string 'repeat-failure)
nil)
(t
;; Entered the same password twice
(let ((new-person (blocking-do 'create-person name
password
(lyskom-create-flags nil
nil
nil
nil
nil
nil
nil
nil)
nil)))
(if (null new-person)
(lyskom-insert-string 'could-not-create-you)
;; Raise a flag so the user will be added to the
;; presentation conference after login
(setq lyskom-is-new-user password))
new-person)))))
(t
;; Do not create a new person
nil)))
(defvar lyskom-known-servers)
(defun lyskom-complete-server-name (string pred flag)
"Programmed completion function for lyskom-read-server-name."
(cond ((null flag) ; try-completion
(or (try-completion string lyskom-known-servers) string))
((eq flag 'lambda) ; test-completion
(cond ((assoc string lyskom-known-servers) t)
((try-completion string lyskom-known-servers) nil)
(t t)))
((eq flag 't) ; all-completions
(or (all-completions string lyskom-known-servers)
(list string)))))
(defun lyskom-read-server-name ()
"Read the name of a LysKOM server.
Copmpletion is done on the servers i kom-server-aliases and
kom-builtin-server-aliases. If an alias name is entered, the
corresponding address is returned."
;; Create a completion table like
;; (("kom.lysator.liu.se" . "kom.lysator.liu.se")
;; ("LysKOM" . "kom.lysator.liu.se"))
(let ((lyskom-known-servers
(append (mapcar (lambda (pair)
(cons (car pair) (car pair)))
(append kom-server-aliases kom-builtin-server-aliases))
(mapcar (lambda (pair)
(cons (cdr pair) (car pair)))
(append kom-server-aliases kom-builtin-server-aliases))))
(completion-ignore-case t)
server)
(setq lyskom-known-servers (lyskom-maybe-frob-completion-table lyskom-known-servers))
(while (null server)
(setq server (lyskom-completing-read (lyskom-format 'server-q)
'lyskom-complete-server-name
nil t
(cons (or (getenv "KOMSERVER")
lyskom-default-server
kom-default-server
"") 0))))
(or (cdr (lyskom-string-assoc server lyskom-known-servers))
server)))
;;; ================================================================
;;; The LysKOM mode.
;; The LysKOM mode should not be inherited if we create a new buffer
;; and default-major-mode is nil.
(put 'lyskom-mode 'mode-class 'special)
(defun lyskom-mode ()
"\\<lyskom-mode-map>Mode for LysKOM client.
Commands:
\\[kom-next-command] Do the default action. This can be to read the next text,select
next conference with unread texts or whatever the prompt says.
\\[kom-go-to-conf] Go to a conference. LysKOM will ask you for a conference
and make you a member of it if you are not already.
\\[kom-list-conferences] List conferences matching a given string.
\\[kom-list-persons] List persons matching a given string.
\\[kom-list-news] List the conferences you have unread texts in.
\\[kom-go-to-next-conf] Go to the next conference with unread texts.
\\[kom-membership] Display a buffer with the list of conferences you are member in.
\\[kom-quit] Leave this LysKOM session.
\\[kom-who-is-on] Show a list of all the users of lyskom right now.
\\[kom-extended-command] Read a command using the minibuffer and execute it.
This is another way to give commands.
\\[kom-write-text] Start writing a new text.
\\[kom-write-comment] Start writing a comment to the last read article.
\\[kom-private-answer] Start writing a personal answer to the author of the last
read article.
\\[kom-send-letter] Start writing a letter to a person or conference.
\\[kom-page-next-command] Clear the page and do what \\[kom-next-command] does.
\\[kom-line-next-command] Do what \\[kom-next-command] does, but scroll at most 1 line.
0 .. 9 Give a numeric argument to the next command.
\\[describe-mode] Display this help text.
\\[kom-busy-wait] Put the lyskom-session in wait mode. The next created text with
a priority higher than that of the next conference you are going
to will be read directly when it is created.
\\[kom-set-unread] Mark a number of texts as unread.
\\[kom-jump] Skip (mark as read) all the comments to this article recursively.
\\[kom-display-time] Show the current date and time.
\\[kom-change-presentation] Change your presentation.
\\[kom-view] View the specified text.
\\[kom-view-commented-text] View the text that the current text comments or is a footnote to.
\\[kom-review-presentation] Show the presentation for a person or a conferencce.
\\[kom-review-comments] View all comments to the current text.
\\[kom-review-tree] View all comments to the current text and step through the tree
in depth-first order.
\\[kom-find-root-review] View the complete comment tree.
\\[kom-find-root] Show the root text of this comment tree.
\\[kom-review-by-to] View the last (first or all) article written by named author
in a named conference.
\\[kom-mark-text] Create a mark on a text.
\\[kom-unmark-text] Remove the mark on a text.
\\[kom-review-marked-texts] View all text marked with a certain mark.
\\[kom-review-all-marked-texts] View all marked text.
\\[kom-view-next-new-text] Read the next text from the list of unread.
\\[kom-review-next] Continue the viewing.
\\[kom-review-stack] Show the stack of things we are viewing.
\\[kom-review-clear] Clear the stack of things we are viewing.
\\[kom-review-backward] Toggles the read order of reviewed texts. This can only be done
when viewing texts with \\[kom-review-by-to], \\[kom-review-marked-texts] and \\[kom-review-all-marked-texts].
\\[kom-status-conf] Show the status of a conference.
\\[kom-status-person] Show the status of a person
\\[kom-save-text] Save the text you are looking at to a file.
\\[kom-get-abuse] Get an insulting text.
\\[kom-get-appreciation] Get an encouraging text.
\\[kom-add-self] Become a member of a conference.
\\[kom-sub-self] Removes you as a member of a conference.
All bindings (this is here due to the fact that inconsistensies while
developping this package are frequent):
\\{lyskom-mode-map}
Entry to this mode runs lyskom-mode-hook.
Functions and variables beginning with kom- are intended for the user to see,
set or call.
Functions and variables beginning with lyskom- are not intended for the user
to see, set of call."
(interactive)
(lyskom-clear-vars)
(lyskom-mode-name-from-host)
(setq mode-line-buffer-identification
; Must start with a string to be handled properly, it seems.
(list "" 'mode-line-server-name ": " 'mode-line-conf-name))
(setq major-mode 'lyskom-mode)
(setq mode-name "LysKOM")
(setq mode-line-process (lyskom-get-string 'mode-line-working))
(use-local-map lyskom-mode-map)
(lyskom-set-menus 'lyskom-mode lyskom-mode-map)
(run-hooks 'lyskom-mode-hook)
(buffer-disable-undo (current-buffer))
(setq buffer-read-only t))
(defun lyskom-clear-vars ()
"Set up buffer-local vars."
(lyskom-save-variables (lyskom-proc
lyskom-pers-no
lyskom-last-viewed
lyskom-unparsed-buffer
lyskom-unparsed-marker
lyskom-server-info
lyskom-server-name)
(kill-all-local-variables))
(lyskom-setup-local-variables)
(setq lyskom-do-when-done (cons kom-do-when-done kom-do-when-done))
(setq lyskom-output-queues (make-vector 10 nil))
(setq lyskom-collate-table lyskom-default-collate-table)
(setq lyskom-char-classes nil)
(let ((i 0))
(while (< i 10)
(aset lyskom-output-queues i (lyskom-queue-create))
(setq i (1+ i))))
(setq lyskom-pending-calls nil)
(lyskom-set-mode-line
(lyskom-get-string 'not-present-anywhere)))
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