X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Fgnus-int.el;h=fc8fc338359997d837b039b9e5613796a5fbf31a;hb=9b741e050b400987d68ff761c6cc3276c932839c;hp=f94c2021d32a2450f29e62d6e457a8db694c4f46;hpb=93fd3c5fd9f215515162b7016beb25d30d10104b;p=elisp%2Fgnus.git- diff --git a/lisp/gnus-int.el b/lisp/gnus-int.el index f94c202..fc8fc33 100644 --- a/lisp/gnus-int.el +++ b/lisp/gnus-int.el @@ -1,7 +1,9 @@ ;;; gnus-int.el --- backend interface functions for Gnus -;; Copyright (C) 1996,97,98 Free Software Foundation, Inc. +;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002 +;; Free Software Foundation, Inc. ;; Author: Lars Magne Ingebrigtsen +;; MORIOKA Tomohiko ;; Keywords: news ;; This file is part of GNU Emacs. @@ -34,6 +36,13 @@ :group 'gnus-start :type 'hook) +(defvar 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.") + ;;; ;;; Server Communication ;;; @@ -69,8 +78,7 @@ If CONFIRM is non-nil, the user will be asked for an NNTP server." (list 'nnmh-directory (file-name-as-directory (expand-file-name - (concat "~/" (substring - gnus-nntp-server 1))))) + (substring gnus-nntp-server 1) "~/"))) (list 'nnmh-get-new-mail nil))) (t (list 'nntp gnus-nntp-server))))) @@ -110,7 +118,8 @@ If CONFIRM is non-nil, the user will be asked for an NNTP server." "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))) + (let ((method (or method gnus-select-method)) + result) ;; Transform virtual server names into select methods. (when (stringp method) (setq method (gnus-server-to-method method))) @@ -124,9 +133,15 @@ If it is down, start it up (again)." (format " on %s" (nth 1 method))))) (gnus-run-hooks 'gnus-open-server-hook) (prog1 - (gnus-open-server method) + (condition-case () + (setq result (gnus-open-server method)) + (quit (message "Quit gnus-check-server") + nil)) (unless silent - (message "")))))) + (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"))))))) (defun gnus-get-function (method function &optional noerror) "Return a function symbol based on METHOD and FUNCTION." @@ -176,17 +191,37 @@ If it is down, start it up (again)." nil) ;; Open the server. (let ((result - (funcall (gnus-get-function gnus-command-method 'open-server) - (nth 1 gnus-command-method) - (nthcdr 2 gnus-command-method)))) + (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)))) ;; 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 'ok 'denied)) + (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))) ;; Return the result from the "open" call. - result)))) + (or (eq (cadr elem) 'offline) + result))))) (defun gnus-close-server (gnus-command-method) "Close the connection to GNUS-COMMAND-METHOD." @@ -219,10 +254,12 @@ If it is down, start it up (again)." (defun gnus-server-opened (gnus-command-method) "Check whether a connection to GNUS-COMMAND-METHOD has been opened." - (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))) + (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)))) (defun gnus-status-message (gnus-command-method) "Return the status message from GNUS-COMMAND-METHOD. @@ -269,6 +306,14 @@ this group uses will be queried." (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)))) @@ -279,11 +324,16 @@ this group uses will be queried." "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))) - (if (and gnus-use-cache (numberp (car articles))) - (gnus-cache-retrieve-headers articles group fetch-old) + (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 (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." @@ -308,6 +358,16 @@ If FETCH-OLD, retrieve all headers (or some subset thereof) in the 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))) @@ -338,6 +398,12 @@ If BUFFER, insert the article in that 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) @@ -367,6 +433,12 @@ If BUFFER, insert the article in that 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) @@ -393,13 +465,14 @@ If BUFFER, insert the article in that 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." - (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))))) + (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))))) (defsubst gnus-request-update-info (info gnus-command-method) "Request that GNUS-COMMAND-METHOD update INFO." @@ -412,17 +485,26 @@ If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned." 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))) - (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))) + (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) @@ -435,24 +517,14 @@ If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned." (goto-char (point-max)) (unless (bolp) (insert "\n")) - (unless no-encode - (save-restriction - (message-narrow-to-head) - (mail-encode-encoded-word-buffer)) - (message-encode-message-body)) - (let ((func (car (or gnus-command-method - (gnus-find-method-for-group group))))) - (funcall (intern (format "%s-request-accept-article" func)) + (let ((gnus-command-method (or gnus-command-method + (gnus-find-method-for-group group)))) + (funcall (gnus-get-function gnus-command-method 'request-accept-article) (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 - (save-restriction - (message-narrow-to-head) - (mail-encode-encoded-word-buffer)) - (message-encode-message-body)) (let ((func (car (gnus-group-name-to-method group)))) (funcall (intern (format "%s-request-replace-article" func)) article (gnus-group-real-name group) buffer)))