;;; gnus-int.el --- backend interface functions for Gnus
-;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
-;; Free Software Foundation, Inc.
+;; Copyright (C) 1996,97,98 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
:group 'gnus-start
:type 'hook)
-(defcustom gnus-server-unopen-status nil
- "The default status if the server is not able to open.
-If the server is covered by Gnus agent, the possible values are
-`denied', set the server denied; `offline', set the server offline;
-`nil', ask user. If the server is not covered by Gnus agent, set the
-server denied."
- :group 'gnus-start
- :type '(choice (const :tag "Ask" nil)
- (const :tag "Deny server" denied)
- (const :tag "Unplugg Agent" offline)))
-
;;;
;;; Server Communication
;;;
(list 'nnmh-directory
(file-name-as-directory
(expand-file-name
- (substring gnus-nntp-server 1) "~/")))
+ (concat "~/" (substring
+ gnus-nntp-server 1)))))
(list 'nnmh-get-new-mail nil)))
(t
(list 'nntp gnus-nntp-server)))))
;; gnus-open-server-hook might have opened it
(gnus-server-opened gnus-select-method)
(gnus-open-server gnus-select-method)
- gnus-batch-mode
(gnus-y-or-n-p
(format
"%s (%s) open error: '%s'. Continue? "
"Check whether the connection to METHOD is down.
If METHOD is nil, use `gnus-select-method'.
If it is down, start it up (again)."
- (let ((method (or method gnus-select-method))
- result)
+ (let ((method (or method gnus-select-method)))
;; Transform virtual server names into select methods.
(when (stringp method)
(setq method (gnus-server-to-method method)))
(format " on %s" (nth 1 method)))))
(gnus-run-hooks 'gnus-open-server-hook)
(prog1
- (condition-case ()
- (setq result (gnus-open-server method))
- (quit (message "Quit gnus-check-server")
- nil))
+ (gnus-open-server method)
(unless silent
- (gnus-message 5 "Opening %s server%s...%s" (car method)
- (if (equal (nth 1 method) "") ""
- (format " on %s" (nth 1 method)))
- (if result "done" "failed")))))))
+ (message ""))))))
(defun gnus-get-function (method function &optional noerror)
"Return a function symbol based on METHOD and FUNCTION."
nil)
;; Open the server.
(let ((result
- (condition-case ()
- (funcall (gnus-get-function gnus-command-method 'open-server)
- (nth 1 gnus-command-method)
- (nthcdr 2 gnus-command-method))
- (quit
- (message "Quit trying to open server")
- nil))))
+ (funcall (gnus-get-function gnus-command-method 'open-server)
+ (nth 1 gnus-command-method)
+ (nthcdr 2 gnus-command-method))))
;; If this hasn't been opened before, we add it to the list.
(unless elem
(setq elem (list gnus-command-method nil)
gnus-opened-servers (cons elem gnus-opened-servers)))
;; Set the status of this server.
- (setcar (cdr elem)
- (if result
- (if (eq (cadr elem) 'offline)
- 'offline
- 'ok)
- (if (and gnus-agent
- (not (eq (cadr elem) 'offline))
- (gnus-agent-method-p gnus-command-method))
- (or gnus-server-unopen-status
- (if (gnus-y-or-n-p
- (format "Unable to open %s:%s, go offline? "
- (car gnus-command-method)
- (cadr gnus-command-method)))
- 'offline
- 'denied))
- 'denied)))
+ (setcar (cdr elem) (if result 'ok 'denied))
;; Return the result from the "open" call.
- (or (eq (cadr elem) 'offline)
- result)))))
+ result))))
(defun gnus-close-server (gnus-command-method)
"Close the connection to GNUS-COMMAND-METHOD."
(defun gnus-server-opened (gnus-command-method)
"Check whether a connection to GNUS-COMMAND-METHOD has been opened."
- (unless (eq (gnus-server-status gnus-command-method)
- 'denied)
- (when (stringp gnus-command-method)
- (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
- (funcall (inline (gnus-get-function gnus-command-method 'server-opened))
- (nth 1 gnus-command-method))))
+ (when (stringp gnus-command-method)
+ (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
+ (funcall (inline (gnus-get-function gnus-command-method 'server-opened))
+ (nth 1 gnus-command-method)))
(defun gnus-status-message (gnus-command-method)
"Return the status message from GNUS-COMMAND-METHOD.
-If GNUS-COMMAND-METHOD is a string, it is interpreted as a group name. The method
+If GNUS-COMMAND-METHOD is a string, it is interpreted as a group name. The method
this group uses will be queried."
(let ((gnus-command-method
(if (stringp gnus-command-method)
(funcall (gnus-get-function gnus-command-method func)
(gnus-group-real-name group) (nth 1 gnus-command-method)))))
-(defun gnus-request-group-articles (group)
- "Request a list of existing articles in GROUP."
- (let ((gnus-command-method (gnus-find-method-for-group group))
- (func 'request-group-articles))
- (when (gnus-check-backend-function func group)
- (funcall (gnus-get-function gnus-command-method func)
- (gnus-group-real-name group) (nth 1 gnus-command-method)))))
-
(defun gnus-close-group (group)
"Request the GROUP be closed."
(let ((gnus-command-method (inline (gnus-find-method-for-group group))))
"Request headers for ARTICLES in GROUP.
If FETCH-OLD, retrieve all headers (or some subset thereof) in the group."
(let ((gnus-command-method (gnus-find-method-for-group group)))
- (cond
- ((and gnus-use-cache (numberp (car articles)))
- (gnus-cache-retrieve-headers articles group fetch-old))
- ((and gnus-agent gnus-agent-cache (gnus-online gnus-command-method)
- (gnus-agent-method-p gnus-command-method))
- (gnus-agent-retrieve-headers articles group fetch-old))
- (t
+ (if (and gnus-use-cache (numberp (car articles)))
+ (gnus-cache-retrieve-headers articles group fetch-old)
(funcall (gnus-get-function gnus-command-method 'retrieve-headers)
articles (gnus-group-real-name group)
- (nth 1 gnus-command-method) fetch-old)))))
+ (nth 1 gnus-command-method) fetch-old))))
(defun gnus-retrieve-articles (articles group)
"Request ARTICLES in GROUP."
(funcall (gnus-get-function gnus-command-method 'request-type)
(gnus-group-real-name group) article))))
-(defun gnus-request-set-mark (group action)
- "Set marks on articles in the backend."
- (let ((gnus-command-method (gnus-find-method-for-group group)))
- (if (not (gnus-check-backend-function
- 'request-set-mark (car gnus-command-method)))
- action
- (funcall (gnus-get-function gnus-command-method 'request-set-mark)
- (gnus-group-real-name group) action
- (nth 1 gnus-command-method)))))
-
(defun gnus-request-update-mark (group article mark)
"Allow the backend to change the mark the user tries to put on an article."
(let ((gnus-command-method (gnus-find-method-for-group group)))
(gnus-cache-request-article article group))
(setq res (cons group article)
clean-up t))
- ;; Check the agent cache.
- ((and gnus-agent gnus-agent-cache gnus-plugged
- (numberp article)
- (gnus-agent-request-article article group))
- (setq res (cons group article)
- clean-up t))
;; Use `head' function.
((fboundp head)
(setq res (funcall head article (gnus-group-real-name group)
(gnus-cache-request-article article group))
(setq res (cons group article)
clean-up t))
- ;; Check the agent cache.
- ((and gnus-agent gnus-agent-cache gnus-plugged
- (numberp article)
- (gnus-agent-request-article article group))
- (setq res (cons group article)
- clean-up t))
;; Use `head' function.
((fboundp head)
(setq res (funcall head article (gnus-group-real-name group)
(defun gnus-request-scan (group gnus-command-method)
"Request a SCAN being performed in GROUP from GNUS-COMMAND-METHOD.
If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned."
- (let ((gnus-command-method
- (if group (gnus-find-method-for-group group) gnus-command-method))
- (gnus-inhibit-demon t)
- (mail-source-plugged gnus-plugged))
- (if (or gnus-plugged (not (gnus-agent-method-p gnus-command-method)))
- (funcall (gnus-get-function gnus-command-method 'request-scan)
- (and group (gnus-group-real-name group))
- (nth 1 gnus-command-method)))))
+ (when gnus-plugged
+ (let ((gnus-command-method
+ (if group (gnus-find-method-for-group group) gnus-command-method))
+ (gnus-inhibit-demon t))
+ (funcall (gnus-get-function gnus-command-method 'request-scan)
+ (and group (gnus-group-real-name group))
+ (nth 1 gnus-command-method)))))
(defsubst gnus-request-update-info (info gnus-command-method)
"Request that GNUS-COMMAND-METHOD update INFO."
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(when (gnus-check-backend-function
'request-update-info (car gnus-command-method))
- (let ((group (gnus-info-group info)))
- (and (funcall (gnus-get-function gnus-command-method
- 'request-update-info)
- (gnus-group-real-name group)
- info (nth 1 gnus-command-method))
- ;; If the minimum article number is greater than 1, then all
- ;; smaller article numbers are known not to exist; we'll
- ;; artificially add those to the 'read range.
- (let* ((active (gnus-active group))
- (min (car active)))
- (when (> min 1)
- (let* ((range (if (= min 2) 1 (cons 1 (1- min))))
- (read (gnus-info-read info))
- (new-read (gnus-range-add read (list range))))
- (gnus-info-set-read info new-read)))
- info)))))
+ (funcall (gnus-get-function gnus-command-method 'request-update-info)
+ (gnus-group-real-name (gnus-info-group info))
+ info (nth 1 gnus-command-method))))
(defun gnus-request-expire-articles (articles group &optional force)
- (let* ((gnus-command-method (gnus-find-method-for-group group))
- (not-deleted
- (funcall
- (gnus-get-function gnus-command-method 'request-expire-articles)
- articles (gnus-group-real-name group) (nth 1 gnus-command-method)
- force)))
- (when (and gnus-agent gnus-agent-cache
- (gnus-sorted-difference articles not-deleted))
- (gnus-agent-expire (gnus-sorted-difference articles not-deleted)
- group 'force))
- not-deleted))
-
-(defun gnus-request-move-article (article group server accept-function &optional last)
- (let* ((gnus-command-method (gnus-find-method-for-group group))
- (result (funcall (gnus-get-function gnus-command-method 'request-move-article)
- article (gnus-group-real-name group)
- (nth 1 gnus-command-method) accept-function last)))
- (when (and result gnus-agent gnus-agent-cache)
- (gnus-agent-expire (list article) group 'force))
- result))
-
-(defun gnus-request-accept-article (group &optional gnus-command-method last
- no-encode)
+ (let ((gnus-command-method (gnus-find-method-for-group group)))
+ (funcall (gnus-get-function gnus-command-method 'request-expire-articles)
+ articles (gnus-group-real-name group) (nth 1 gnus-command-method)
+ force)))
+
+(defun gnus-request-move-article
+ (article group server accept-function &optional last)
+ (let ((gnus-command-method (gnus-find-method-for-group group)))
+ (funcall (gnus-get-function gnus-command-method 'request-move-article)
+ article (gnus-group-real-name group)
+ (nth 1 gnus-command-method) accept-function last)))
+
+(defun gnus-request-accept-article (group &optional gnus-command-method last)
;; Make sure there's a newline at the end of the article.
(when (stringp gnus-command-method)
(setq gnus-command-method (gnus-server-to-method gnus-command-method)))
(goto-char (point-max))
(unless (bolp)
(insert "\n"))
- (unless no-encode
- (let ((message-options message-options))
- (message-options-set-recipient)
- (save-restriction
- (message-narrow-to-head)
- (let ((mail-parse-charset message-default-charset))
- (mail-encode-encoded-word-buffer)))
- (message-encode-message-body)))
- (let ((gnus-command-method (or gnus-command-method
- (gnus-find-method-for-group group))))
- (funcall (gnus-get-function gnus-command-method 'request-accept-article)
+ (let ((func (car (or gnus-command-method
+ (gnus-find-method-for-group group)))))
+ (funcall (intern (format "%s-request-accept-article" func))
(if (stringp group) (gnus-group-real-name group) group)
(cadr gnus-command-method)
last)))
-(defun gnus-request-replace-article (article group buffer &optional no-encode)
- (unless no-encode
- (let ((message-options message-options))
- (message-options-set-recipient)
- (save-restriction
- (message-narrow-to-head)
- (let ((mail-parse-charset message-default-charset))
- (mail-encode-encoded-word-buffer)))
- (message-encode-message-body)))
+(defun gnus-request-replace-article (article group buffer)
(let ((func (car (gnus-group-name-to-method group))))
(funcall (intern (format "%s-request-replace-article" func))
article (gnus-group-real-name group) buffer)))
projects / elisp / gnus.git- / blobdiff