-;;; gnus-agent.el --- unplugged support for Gnus
-;; Copyright (C) 1997,98,99 Free Software Foundation, Inc.
+;;; gnus-agent.el --- unplugged support for Semi-gnus
+;; Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
+;; Tatsuya Ichikawa <t-ichi@po.shiojiri.ne.jp>
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;;; Code:
+(eval-when-compile (require 'cl))
+(eval-when-compile (require 'gnus-clfns))
+
(require 'gnus)
(require 'gnus-cache)
(require 'nnvirtual)
(require 'gnus-sum)
-(eval-when-compile
- (require 'cl)
- (require 'gnus-score))
+(eval-when-compile (require 'gnus-score) (require 'gnus-group))
(defcustom gnus-agent-directory (nnheader-concat gnus-directory "agent/")
"Where the Gnus agent will store its files."
:group 'gnus-agent
:type 'hook)
+(defcustom gnus-agent-confirmation-function 'y-or-n-p
+ "Function to confirm when error happens."
+ :group 'gnus-agent
+ :type 'function)
+
+(defcustom gnus-agent-large-newsgroup nil
+ "*The number of articles which indicates a large newsgroup.
+If the number of unread articles exceeds it, The number of articles to be
+fetched will be limited to it. If not a positive integer, never consider it."
+ :group 'gnus-agent
+ :type '(choice (const nil)
+ (integer :tag "Number")))
+
;;; Internal variables
(defvar gnus-agent-history-buffers nil)
(defvar gnus-agent-spam-hashtb nil)
(defvar gnus-agent-file-name nil)
(defvar gnus-agent-send-mail-function nil)
-(defvar gnus-agent-file-coding-system 'binary)
+(defvar gnus-agent-file-coding-system 'raw-text)
(defconst gnus-agent-scoreable-headers
'("subject" "from" "date" "message-id" "references" "chars" "lines" "xref")
(setq gnus-agent t)
(gnus-agent-read-servers)
(gnus-category-read)
- (setq gnus-agent-overview-buffer
- (gnus-get-buffer-create " *Gnus agent overview*"))
- (with-current-buffer gnus-agent-overview-buffer
- (mm-enable-multibyte))
+ (gnus-agent-create-buffer)
(add-hook 'gnus-group-mode-hook 'gnus-agent-mode)
(add-hook 'gnus-summary-mode-hook 'gnus-agent-mode)
(add-hook 'gnus-server-mode-hook 'gnus-agent-mode))
+(defun gnus-agent-create-buffer ()
+ (if (gnus-buffer-live-p gnus-agent-overview-buffer)
+ t
+ (setq gnus-agent-overview-buffer
+ (gnus-get-buffer-create " *Gnus agent overview*"))
+ (with-current-buffer gnus-agent-overview-buffer
+ (set-buffer-multibyte t))
+ nil))
+
(gnus-add-shutdown 'gnus-close-agent 'gnus)
(defun gnus-close-agent ()
(defun gnus-agent-start-fetch ()
"Initialize data structures for efficient fetching."
(gnus-agent-open-history)
- (setq gnus-agent-current-history (gnus-agent-history-buffer)))
+ (setq gnus-agent-current-history (gnus-agent-history-buffer))
+ (gnus-agent-create-buffer))
(defun gnus-agent-stop-fetch ()
"Save all data structures and clean up."
"Jc" gnus-enter-category-buffer
"Jj" gnus-agent-toggle-plugged
"Js" gnus-agent-fetch-session
+ "JY" gnus-agent-synchronize
"JS" gnus-group-send-drafts
"Ja" gnus-agent-add-group
"Jr" gnus-agent-remove-group)
(setq gnus-plugged plugged)
(gnus-run-hooks 'gnus-agent-unplugged-hook)
(setcar (cdr gnus-agent-mode-status) " Unplugged"))
- (set-buffer-modified-p t))
+ (force-mode-line-update))
(defun gnus-agent-close-connections ()
"Close all methods covered by the Gnus agent."
(gnus-request-create-group "queue" '(nndraft ""))
(let ((gnus-level-default-subscribed 1))
(gnus-subscribe-group "nndraft:queue" nil '(nndraft "")))
- (gnus-group-set-parameter "nndraft:queue" 'charset nil)
(gnus-group-set-parameter
"nndraft:queue" 'gnus-dummy '((gnus-draft-mode)))))
(defun gnus-agent-fetch-groups (n)
"Put all new articles in the current groups into the Agent."
(interactive "P")
+ (unless gnus-plugged
+ (error "Groups can't be fetched when Gnus is unplugged"))
(gnus-group-iterate n 'gnus-agent-fetch-group))
(defun gnus-agent-fetch-group (group)
"Put all new articles in GROUP into the Agent."
(interactive (list (gnus-group-group-name)))
+ (unless gnus-plugged
+ (error "Groups can't be fetched when Gnus is unplugged"))
(unless group
(error "No group on the current line"))
(let ((gnus-command-method (gnus-find-method-for-group group)))
(setf (cadddr c) (delete group (cadddr c))))))
(gnus-category-write)))
+(defun gnus-agent-synchronize ()
+ "Synchronize local, unplugged, data with backend.
+Currently sends flag setting requests, if any."
+ (interactive)
+ (save-excursion
+ (dolist (gnus-command-method gnus-agent-covered-methods)
+ (when (file-exists-p (gnus-agent-lib-file "flags"))
+ (set-buffer (get-buffer-create " *Gnus Agent flag synchronize*"))
+ (erase-buffer)
+ (insert-file-contents (gnus-agent-lib-file "flags"))
+ (if (null (gnus-check-server gnus-command-method))
+ (message "Couldn't open server %s" (nth 1 gnus-command-method))
+ (while (not (eobp))
+ (if (null (eval (read (current-buffer))))
+ (progn (forward-line)
+ (kill-line -1))
+ (write-file (gnus-agent-lib-file "flags"))
+ (error "Couldn't set flags from file %s"
+ (gnus-agent-lib-file "flags"))))
+ (write-file (gnus-agent-lib-file "flags")))))))
+
;;;
;;; Server mode commands
;;;
(gnus-agent-method-p gnus-command-method))
(gnus-agent-load-alist gnus-newsgroup-name)
;; First mark all undownloaded articles as undownloaded.
- (let ((articles gnus-newsgroup-unreads)
+ (let ((articles (append gnus-newsgroup-unreads
+ gnus-newsgroup-marked
+ gnus-newsgroup-dormant))
article)
(while (setq article (pop articles))
(unless (or (cdr (assq article gnus-agent-article-alist))
- (memq article gnus-newsgroup-downloadable))
+ (memq article gnus-newsgroup-downloadable)
+ (memq article gnus-newsgroup-cached))
(push article gnus-newsgroup-undownloaded))))
;; Then mark downloaded downloadable as not-downloadable,
;; if you get my drift.
;;;
(defun gnus-agent-save-active (method)
+ (gnus-agent-save-active-1 method 'gnus-active-to-gnus-format))
+
+(defun gnus-agent-save-active-1 (method function)
(when (gnus-agent-method-p method)
(let* ((gnus-command-method method)
+ (new (gnus-make-hashtable (count-lines (point-min) (point-max))))
(file (gnus-agent-lib-file "active")))
- (gnus-make-directory (file-name-directory file))
- (let ((coding-system-for-write gnus-agent-file-coding-system))
- (write-region (point-min) (point-max) file nil 'silent))
- (when (file-exists-p (gnus-agent-lib-file "groups"))
- (delete-file (gnus-agent-lib-file "groups"))))))
+ (funcall function nil new)
+ (gnus-agent-write-active file new)
+ (erase-buffer)
+ (insert-file-contents-as-coding-system gnus-agent-file-coding-system
+ file))))
+
+(defun gnus-agent-write-active (file new)
+ (let ((orig (gnus-make-hashtable (count-lines (point-min) (point-max))))
+ (file (gnus-agent-lib-file "active"))
+ elem osym)
+ (when (file-exists-p file)
+ (with-temp-buffer
+ (insert-file-contents-as-coding-system gnus-agent-file-coding-system
+ file)
+ (gnus-active-to-gnus-format nil orig))
+ (mapatoms
+ (lambda (sym)
+ (when (and sym (boundp sym))
+ (if (and (boundp (setq osym (intern (symbol-name sym) orig)))
+ (setq elem (symbol-value osym)))
+ (setcdr elem (cdr (symbol-value sym)))
+ (set (intern (symbol-name sym) orig) (symbol-value sym)))))
+ new))
+ (gnus-make-directory (file-name-directory file))
+ ;; The hashtable contains real names of groups, no more prefix
+ ;; removing, so set `full' to `t'.
+ (gnus-write-active-file-as-coding-system gnus-agent-file-coding-system
+ file orig t)))
(defun gnus-agent-save-groups (method)
- (let* ((gnus-command-method method)
- (file (gnus-agent-lib-file "groups")))
- (gnus-make-directory (file-name-directory file))
- (let ((coding-system-for-write gnus-agent-file-coding-system))
- (write-region (point-min) (point-max) file nil 'silent))
- (when (file-exists-p (gnus-agent-lib-file "active"))
- (delete-file (gnus-agent-lib-file "active")))))
+ (gnus-agent-save-active-1 method 'gnus-groups-to-gnus-format))
(defun gnus-agent-save-group-info (method group active)
(when (gnus-agent-method-p method)
(let* ((gnus-command-method method)
- (file (if nntp-server-list-active-group
- (gnus-agent-lib-file "active")
- (gnus-agent-lib-file "groups"))))
+ (file (gnus-agent-lib-file "active"))
+ oactive)
(gnus-make-directory (file-name-directory file))
(with-temp-file file
(when (file-exists-p file)
(nnheader-insert-file-contents file))
(goto-char (point-min))
- (if nntp-server-list-active-group
- (progn
- (when (re-search-forward
- (concat "^" (regexp-quote group) " ") nil t)
- (gnus-delete-line))
- (insert group " " (number-to-string (cdr active)) " "
- (number-to-string (car active)) " y\n"))
- (when (re-search-forward
- (concat (regexp-quote group) "\\($\\| \\)") nil t)
- (gnus-delete-line))
- (insert-buffer-substring nntp-server-buffer))))))
+ (when (re-search-forward
+ (concat "^" (regexp-quote group) " ") nil t)
+ (save-excursion
+ (save-restriction
+ (narrow-to-region (match-beginning 0)
+ (progn
+ (forward-line 1)
+ (point)))
+ (setq oactive (car (nnmail-parse-active)))))
+ (gnus-delete-line))
+ (insert (format "%S %d %d y\n" (intern group)
+ (cdr active)
+ (or (car oactive) (car active))))
+ (goto-char (point-max))
+ (while (search-backward "\\." nil t)
+ (delete-char 1))))))
(defun gnus-agent-group-path (group)
"Translate GROUP into a path."
(if nnmail-use-long-file-names
(gnus-group-real-name group)
- (nnheader-replace-chars-in-string
- (nnheader-translate-file-chars (gnus-group-real-name group))
- ?. ?/)))
+ (nnheader-translate-file-chars
+ (nnheader-replace-chars-in-string
+ (nnheader-replace-duplicate-chars-in-string
+ (nnheader-replace-chars-in-string
+ (gnus-group-real-name group)
+ ?/ ?_)
+ ?. ?_)
+ ?. ?/))))
\f
(save-excursion
(set-buffer gnus-agent-current-history)
(gnus-make-directory (file-name-directory gnus-agent-file-name))
- (let ((coding-system-for-write gnus-agent-file-coding-system))
- (write-region (1+ (point-min)) (point-max)
- gnus-agent-file-name nil 'silent))))
+ (write-region-as-coding-system
+ gnus-agent-file-coding-system
+ (1+ (point-min)) (point-max) gnus-agent-file-name nil 'silent)))
(defun gnus-agent-close-history ()
(when (gnus-buffer-live-p gnus-agent-current-history)
(save-excursion
(set-buffer gnus-agent-current-history)
(goto-char (point-max))
- (insert id "\t" (number-to-string date) "\t")
- (while group-arts
- (insert (caar group-arts) " " (number-to-string (cdr (pop group-arts)))
- " "))
- (insert "\n")))
+ (let ((p (point)))
+ (insert id "\t" (number-to-string date) "\t")
+ (while group-arts
+ (insert (format "%S" (intern (caar group-arts)))
+ " " (number-to-string (cdr (pop group-arts)))
+ " "))
+ (insert "\n")
+ (while (search-backward "\\." p t)
+ (delete-char 1)))))
(defun gnus-agent-article-in-history-p (id)
(save-excursion
;; Prune off articles that we have already fetched.
(while (and articles
(cdr (assq (car articles) gnus-agent-article-alist)))
- (pop articles))
+ (pop articles))
(let ((arts articles))
(while (cdr arts)
(if (cdr (assq (cadr arts) gnus-agent-article-alist))
(with-temp-buffer
(let (article)
(while (setq article (pop articles))
- (when (gnus-request-article article group)
+ (when (or
+ (gnus-backlog-request-article group article
+ nntp-server-buffer)
+ (gnus-request-article article group))
(goto-char (point-max))
(push (cons article (point)) pos)
(insert-buffer-substring nntp-server-buffer)))
(if (not (re-search-forward "^Message-ID: *<\\([^>\n]+\\)>" nil t))
(setq id "No-Message-ID-in-article")
(setq id (buffer-substring (match-beginning 1) (match-end 1))))
- (let ((coding-system-for-write
- gnus-agent-file-coding-system))
- (write-region (point-min) (point-max)
- (concat dir (number-to-string (caar pos)))
- nil 'silent))
+ (write-region-as-coding-system
+ gnus-agent-file-coding-system
+ (point-min) (point-max)
+ (concat dir (number-to-string (caar pos))) nil 'silent)
(when (setq elem (assq (caar pos) gnus-agent-article-alist))
(setcdr elem t))
(gnus-agent-enter-history
(setcdr alist (cons (cons (cdar crosses) t) (cdr alist)))
(save-excursion
(set-buffer (gnus-get-buffer-create (format " *Gnus agent overview %s*"
- group)))
+ group)))
(when (= (point-max) (point-min))
(push (cons group (current-buffer)) gnus-agent-buffer-alist)
(ignore-errors
(save-excursion
(while gnus-agent-buffer-alist
(set-buffer (cdar gnus-agent-buffer-alist))
- (let ((coding-system-for-write
- gnus-agent-file-coding-system))
- (write-region (point-min) (point-max)
- (gnus-agent-article-name ".overview"
- (caar gnus-agent-buffer-alist))
- nil 'silent))
+ (write-region-as-coding-system
+ gnus-agent-file-coding-system
+ (point-min) (point-max)
+ (gnus-agent-article-name ".overview"
+ (caar gnus-agent-buffer-alist))
+ nil 'silent)
(pop gnus-agent-buffer-alist))
(while gnus-agent-group-alist
(with-temp-file (caar gnus-agent-group-alist)
(pop gnus-agent-group-alist))))
(defun gnus-agent-fetch-headers (group &optional force)
- (let ((articles (if (gnus-agent-load-alist group)
- (gnus-sorted-intersection
- (gnus-list-of-unread-articles group)
- (gnus-uncompress-range
- (cons (1+ (caar (last gnus-agent-article-alist)))
- (cdr (gnus-active group)))))
- (gnus-list-of-unread-articles group)))
- (gnus-decode-encoded-word-function 'identity)
- (file (gnus-agent-article-name ".overview" group)))
+ (let* ((articles (gnus-list-of-unread-articles group))
+ (len (length articles))
+ (gnus-decode-encoded-word-function 'identity)
+ (file (gnus-agent-article-name ".overview" group))
+ i)
+ ;; Check the number of articles is not too large.
+ (when (and (integerp gnus-agent-large-newsgroup)
+ (< 0 gnus-agent-large-newsgroup))
+ (and (< 0 (setq i (- len gnus-agent-large-newsgroup)))
+ (setq articles (nthcdr i articles))))
+ ;; add article with marks to list of article headers we want to fetch.
+ (dolist (arts (gnus-info-marks (gnus-get-info group)))
+ (setq articles (union (gnus-uncompress-sequence (cdr arts))
+ articles)))
+ (setq articles (sort articles '<))
+ ;; Remove known articles.
+ (when (gnus-agent-load-alist group)
+ (setq articles (gnus-sorted-intersection
+ articles
+ (gnus-uncompress-range
+ (cons (1+ (caar (last gnus-agent-article-alist)))
+ (cdr (gnus-active group)))))))
;; Fetch them.
(gnus-make-directory (nnheader-translate-file-chars
- (file-name-directory file)))
+ (file-name-directory file) t))
(when articles
(gnus-message 7 "Fetching headers for %s..." group)
(save-excursion
- (set-buffer nntp-server-buffer)
- (unless (eq 'nov (gnus-retrieve-headers articles group))
- (nnvirtual-convert-headers))
- ;; Save these headers for later processing.
- (copy-to-buffer gnus-agent-overview-buffer (point-min) (point-max))
+ (set-buffer nntp-server-buffer)
+ (unless (eq 'nov (gnus-retrieve-headers articles group))
+ (nnvirtual-convert-headers))
+ ;; Save these headers for later processing.
+ (copy-to-buffer gnus-agent-overview-buffer (point-min) (point-max))
(when (file-exists-p file)
(gnus-agent-braid-nov group articles file))
- (let ((coding-system-for-write
- gnus-agent-file-coding-system))
- (write-region (point-min) (point-max) file nil 'silent))
+ (write-region-as-coding-system
+ gnus-agent-file-coding-system
+ (point-min) (point-max) file nil 'silent)
(gnus-agent-save-alist group articles nil)
(gnus-agent-enter-history
"last-header-fetched-for-session"
"Start Gnus and fetch session."
(interactive)
(gnus)
- (gnus-agent-fetch-session)
+ (let ((gnus-agent-confirmation-function 'gnus-agent-batch-confirmation))
+ (gnus-agent-fetch-session))
(gnus-group-exit))
(defun gnus-agent-fetch-session ()
groups group gnus-command-method)
(save-excursion
(while methods
- (setq gnus-command-method (car methods))
- (when (or (gnus-server-opened gnus-command-method)
- (gnus-open-server gnus-command-method))
- (setq groups (gnus-groups-from-server (car methods)))
- (gnus-agent-with-fetch
- (while (setq group (pop groups))
- (when (<= (gnus-group-level group) gnus-agent-handle-level)
- (gnus-agent-fetch-group-1 group gnus-command-method)))))
+ (condition-case err
+ (progn
+ (setq gnus-command-method (car methods))
+ (when (or (gnus-server-opened gnus-command-method)
+ (gnus-open-server gnus-command-method))
+ (setq groups (gnus-groups-from-server (car methods)))
+ (gnus-agent-with-fetch
+ (while (setq group (pop groups))
+ (when (<= (gnus-group-level group) gnus-agent-handle-level)
+ (gnus-agent-fetch-group-1 group gnus-command-method))))))
+ (error
+ (unless (funcall gnus-agent-confirmation-function
+ (format "Error (%s). Continue? " err))
+ (error "Cannot fetch articles into the Gnus agent."))))
(pop methods))
(gnus-message 6 "Finished fetching articles into the Gnus agent"))))
gnus-newsgroup-scored gnus-headers gnus-score
gnus-use-cache articles arts
category predicate info marks score-param)
+ (unless (gnus-check-group group)
+ (error "Can't open server for %s" group))
;; Fetch headers.
(when (and (or (gnus-active group) (gnus-activate-group group))
- (setq articles (gnus-agent-fetch-headers group)))
- ;; Parse them and see which articles we want to fetch.
- (setq gnus-newsgroup-dependencies
- (make-vector (length articles) 0))
- ;; No need to call `gnus-get-newsgroup-headers-xover' with
- ;; the entire .overview for group as we still have the just
- ;; downloaded headers in `gnus-agent-overview-buffer'.
- (let ((nntp-server-buffer gnus-agent-overview-buffer))
- (setq gnus-newsgroup-headers
- (gnus-get-newsgroup-headers-xover articles nil nil group)))
+ (setq articles (gnus-agent-fetch-headers group))
+ (progn
+ ;; Parse them and see which articles we want to fetch.
+ (setq gnus-newsgroup-dependencies
+ (make-vector (length articles) 0))
+ ;; No need to call `gnus-get-newsgroup-headers-xover' with
+ ;; the entire .overview for group as we still have the just
+ ;; downloaded headers in `gnus-agent-overview-buffer'.
+ (let ((nntp-server-buffer gnus-agent-overview-buffer))
+ (setq gnus-newsgroup-headers
+ (gnus-get-newsgroup-headers-xover articles nil nil
+ group)))
+ ;; `gnus-agent-overview-buffer' may be killed for
+ ;; timeout reason. If so, recreate it.
+ (gnus-agent-create-buffer)))
(setq category (gnus-group-category group))
(setq predicate
(gnus-get-predicate
- (or (gnus-group-get-parameter group 'agent-predicate t)
+ (or (gnus-group-find-parameter group 'agent-predicate t)
(cadr category))))
;; Do we want to download everything, or nothing?
(if (or (eq (caaddr predicate) 'gnus-agent-true)
(setq score-param
(let ((score-method
(or
- (gnus-group-get-parameter group 'agent-score t)
+ (gnus-group-find-parameter group 'agent-score t)
(caddr category))))
(when score-method
(require 'gnus-score)
(gnus-edit-form
(cadr info) (format "Editing the predicate for category %s" category)
`(lambda (predicate)
- (setf (cadr (assq ',category gnus-category-alist)) predicate)
+ (setcar (cdr (assq ',category gnus-category-alist)) predicate)
(gnus-category-write)
(gnus-category-list)))))
(caddr info)
(format "Editing the score expression for category %s" category)
`(lambda (groups)
- (setf (caddr (assq ',category gnus-category-alist)) groups)
+ (setcar (nthcdr 2 (assq ',category gnus-category-alist)) groups)
(gnus-category-write)
(gnus-category-list)))))
(gnus-edit-form
(cadddr info) (format "Editing the group list for category %s" category)
`(lambda (groups)
- (setf (cadddr (assq ',category gnus-category-alist)) groups)
+ (setcar (nthcdr 3 (assq ',category gnus-category-alist)) groups)
(gnus-category-write)
(gnus-category-list)))))
(let ((info (assq category gnus-category-alist))
(buffer-read-only nil))
(gnus-delete-line)
- (gnus-category-write)
- (setq gnus-category-alist (delq info gnus-category-alist))))
+ (setq gnus-category-alist (delq info gnus-category-alist))
+ (gnus-category-write)))
(defun gnus-category-copy (category to)
"Copy the current category."
(day (- (time-to-days (current-time)) gnus-agent-expire-days))
gnus-command-method sym group articles
history overview file histories elem art nov-file low info
- unreads marked article)
+ unreads marked article orig lowest highest)
(save-excursion
(setq overview (gnus-get-buffer-create " *expire overview*"))
(while (setq gnus-command-method (pop methods))
- (let ((expiry-hashtb (gnus-make-hashtable 1023)))
- (gnus-agent-open-history)
- (set-buffer
- (setq gnus-agent-current-history
- (setq history (gnus-agent-history-buffer))))
- (goto-char (point-min))
- (when (> (buffer-size) 1)
- (goto-char (point-min))
- (while (not (eobp))
- (skip-chars-forward "^\t")
- (if (> (read (current-buffer)) day)
- ;; New article; we don't expire it.
- (forward-line 1)
- ;; Old article. Schedule it for possible nuking.
- (while (not (eolp))
- (setq sym (let ((obarray expiry-hashtb))
- (read (current-buffer))))
- (if (boundp sym)
- (set sym (cons (cons (read (current-buffer)) (point))
- (symbol-value sym)))
- (set sym (list (cons (read (current-buffer)) (point)))))
- (skip-chars-forward " "))
- (forward-line 1)))
- ;; We now have all articles that can possibly be expired.
- (mapatoms
- (lambda (sym)
- (setq group (symbol-name sym)
- articles (sort (symbol-value sym) 'car-less-than-car)
- low (car (gnus-active group))
- info (gnus-get-info group)
- unreads (ignore-errors (gnus-list-of-unread-articles group))
- marked (nconc (gnus-uncompress-range
- (cdr (assq 'tick (gnus-info-marks info))))
- (gnus-uncompress-range
- (cdr (assq 'dormant
- (gnus-info-marks info)))))
- nov-file (gnus-agent-article-name ".overview" group))
- (gnus-agent-load-alist group)
- (gnus-message 5 "Expiring articles in %s" group)
- (set-buffer overview)
- (erase-buffer)
- (when (file-exists-p nov-file)
- (nnheader-insert-file-contents nov-file))
- (goto-char (point-min))
- (setq article 0)
- (while (setq elem (pop articles))
- (setq article (car elem))
- (when (or (null low)
- (< article low)
- gnus-agent-expire-all
- (and (not (memq article unreads))
- (not (memq article marked))))
- ;; Find and nuke the NOV line.
- (while (and (not (eobp))
- (or (not (numberp
- (setq art (read (current-buffer)))))
- (< art article)))
- (if (file-exists-p
- (gnus-agent-article-name
- (number-to-string art) group))
- (forward-line 1)
- ;; Remove old NOV lines that have no articles.
- (gnus-delete-line)))
- (if (or (eobp)
- (/= art article))
- (beginning-of-line)
- (gnus-delete-line))
- ;; Nuke the article.
- (when (file-exists-p (setq file (gnus-agent-article-name
- (number-to-string article)
- group)))
- (delete-file file))
- ;; Schedule the history line for nuking.
- (push (cdr elem) histories)))
- (gnus-make-directory (file-name-directory nov-file))
- (let ((coding-system-for-write
- gnus-agent-file-coding-system))
- (write-region (point-min) (point-max) nov-file nil 'silent))
- ;; Delete the unwanted entries in the alist.
- (setq gnus-agent-article-alist
- (sort gnus-agent-article-alist 'car-less-than-car))
- (let* ((alist gnus-agent-article-alist)
- (prev (cons nil alist))
- (first prev)
- expired)
- (while (and alist
- (<= (caar alist) article))
- (if (or (not (cdar alist))
- (not (file-exists-p
- (gnus-agent-article-name
- (number-to-string
- (caar alist))
- group))))
- (progn
- (push (caar alist) expired)
- (setcdr prev (setq alist (cdr alist))))
- (setq prev alist
- alist (cdr alist))))
- (setq gnus-agent-article-alist (cdr first))
- (gnus-agent-save-alist group)
- ;; Mark all articles up to the first article
- ;; in `gnus-article-alist' as read.
- (when (and info (caar gnus-agent-article-alist))
- (setcar (nthcdr 2 info)
- (gnus-range-add
- (nth 2 info)
- (cons 1 (- (caar gnus-agent-article-alist) 1)))))
- ;; Maybe everything has been expired from `gnus-article-alist'
- ;; and so the above marking as read could not be conducted,
- ;; or there are expired article within the range of the alist.
- (when (and info
- expired
- (or (not (caar gnus-agent-article-alist))
- (> (car expired)
- (caar gnus-agent-article-alist))))
- (setcar (nthcdr 2 info)
- (gnus-add-to-range
- (nth 2 info)
- (nreverse expired))))
- (gnus-dribble-enter
- (concat "(gnus-group-set-info '"
- (gnus-prin1-to-string info)
- ")"))))
- expiry-hashtb)
- (set-buffer history)
- (setq histories (nreverse (sort histories '<)))
- (while histories
- (goto-char (pop histories))
- (gnus-delete-line))
- (gnus-agent-save-history)
- (gnus-agent-close-history))
- (gnus-message 4 "Expiry...done"))))))
+ (when (file-exists-p (gnus-agent-lib-file "active"))
+ (with-temp-buffer
+ (insert-file-contents-as-coding-system
+ gnus-agent-file-coding-system (gnus-agent-lib-file "active"))
+ (gnus-active-to-gnus-format
+ gnus-command-method
+ (setq orig (gnus-make-hashtable
+ (count-lines (point-min) (point-max))))))
+ (let ((expiry-hashtb (gnus-make-hashtable 1023)))
+ (gnus-agent-open-history)
+ (set-buffer
+ (setq gnus-agent-current-history
+ (setq history (gnus-agent-history-buffer))))
+ (goto-char (point-min))
+ (when (> (buffer-size) 1)
+ (goto-char (point-min))
+ (while (not (eobp))
+ (skip-chars-forward "^\t")
+ (if (> (read (current-buffer)) day)
+ ;; New article; we don't expire it.
+ (forward-line 1)
+ ;; Old article. Schedule it for possible nuking.
+ (while (not (eolp))
+ (setq sym (let ((obarray expiry-hashtb) s)
+ (setq s (read (current-buffer)))
+ (if (stringp s) (intern s) s)))
+ (if (boundp sym)
+ (set sym (cons (cons (read (current-buffer)) (point))
+ (symbol-value sym)))
+ (set sym (list (cons (read (current-buffer)) (point)))))
+ (skip-chars-forward " "))
+ (forward-line 1)))
+ ;; We now have all articles that can possibly be expired.
+ (mapatoms
+ (lambda (sym)
+ (setq group (symbol-name sym)
+ articles (sort (symbol-value sym) 'car-less-than-car)
+ low (car (gnus-active group))
+ info (gnus-get-info group)
+ unreads (ignore-errors
+ (gnus-list-of-unread-articles group))
+ marked (nconc
+ (gnus-uncompress-range
+ (cdr (assq 'tick (gnus-info-marks info))))
+ (gnus-uncompress-range
+ (cdr (assq 'dormant (gnus-info-marks info))))
+ (gnus-uncompress-range
+ (cdr (assq 'save (gnus-info-marks info))))
+ (gnus-uncompress-range
+ (cdr (assq 'reply (gnus-info-marks info)))))
+ nov-file (gnus-agent-article-name ".overview" group)
+ lowest nil
+ highest nil)
+ (gnus-agent-load-alist group)
+ (gnus-message 5 "Expiring articles in %s" group)
+ (set-buffer overview)
+ (erase-buffer)
+ (when (file-exists-p nov-file)
+ (nnheader-insert-file-contents nov-file))
+ (goto-char (point-min))
+ (setq article 0)
+ (while (setq elem (pop articles))
+ (setq article (car elem))
+ (when (or (null low)
+ (< article low)
+ gnus-agent-expire-all
+ (and (not (memq article unreads))
+ (not (memq article marked))))
+ ;; Find and nuke the NOV line.
+ (while (and (not (eobp))
+ (or (not (numberp
+ (setq art (read (current-buffer)))))
+ (< art article)))
+ (if (and (numberp art)
+ (file-exists-p
+ (gnus-agent-article-name
+ (number-to-string art) group)))
+ (progn
+ (unless lowest
+ (setq lowest art))
+ (setq highest art)
+ (forward-line 1))
+ ;; Remove old NOV lines that have no articles.
+ (gnus-delete-line)))
+ (if (or (eobp)
+ (/= art article))
+ (beginning-of-line)
+ (gnus-delete-line))
+ ;; Nuke the article.
+ (when (file-exists-p
+ (setq file (gnus-agent-article-name
+ (number-to-string article)
+ group)))
+ (delete-file file))
+ ;; Schedule the history line for nuking.
+ (push (cdr elem) histories)))
+ (gnus-make-directory (file-name-directory nov-file))
+ (write-region-as-coding-system
+ gnus-agent-file-coding-system
+ (point-min) (point-max) nov-file nil 'silent)
+ ;; Delete the unwanted entries in the alist.
+ (setq gnus-agent-article-alist
+ (sort gnus-agent-article-alist 'car-less-than-car))
+ (let* ((alist gnus-agent-article-alist)
+ (prev (cons nil alist))
+ (first prev)
+ expired)
+ (while (and alist
+ (<= (caar alist) article))
+ (if (or (not (cdar alist))
+ (not (file-exists-p
+ (gnus-agent-article-name
+ (number-to-string
+ (caar alist))
+ group))))
+ (progn
+ (push (caar alist) expired)
+ (setcdr prev (setq alist (cdr alist))))
+ (setq prev alist
+ alist (cdr alist))))
+ (setq gnus-agent-article-alist (cdr first))
+ (gnus-agent-save-alist group)
+ ;; Mark all articles up to the first article
+ ;; in `gnus-article-alist' as read.
+ (when (and info (caar gnus-agent-article-alist))
+ (setcar (nthcdr 2 info)
+ (gnus-range-add
+ (nth 2 info)
+ (cons 1 (- (caar gnus-agent-article-alist) 1)))))
+ ;; Maybe everything has been expired from `gnus-article-alist'
+ ;; and so the above marking as read could not be conducted,
+ ;; or there are expired article within the range of the alist.
+ (when (and info
+ expired
+ (or (not (caar gnus-agent-article-alist))
+ (> (car expired)
+ (caar gnus-agent-article-alist))))
+ (setcar (nthcdr 2 info)
+ (gnus-add-to-range
+ (nth 2 info)
+ (nreverse expired))))
+ (gnus-dribble-enter
+ (concat "(gnus-group-set-info '"
+ (gnus-prin1-to-string info)
+ ")")))
+ (when lowest
+ (if (gnus-gethash group orig)
+ (setcar (gnus-gethash group orig) lowest)
+ (gnus-sethash group (cons lowest highest) orig))))
+ expiry-hashtb)
+ (set-buffer history)
+ (setq histories (nreverse (sort histories '<)))
+ (while histories
+ (goto-char (pop histories))
+ (gnus-delete-line))
+ (gnus-agent-save-history)
+ (gnus-agent-close-history)
+ (gnus-write-active-file-as-coding-system
+ gnus-agent-file-coding-system
+ (gnus-agent-lib-file "active") orig))
+ (gnus-message 4 "Expiry...done")))))))
;;;###autoload
(defun gnus-agent-batch ()
(gnus-group-send-drafts)
(gnus-agent-fetch-session))
+;;;
+;;; Advice
+;;;
+
+(defadvice gnus-group-get-new-news (after gnus-agent-advice
+ activate preactivate)
+ "Update modeline."
+ (unless (interactive-p)
+ (gnus-agent-toggle-plugged gnus-plugged)))
+
(provide 'gnus-agent)
;;; gnus-agent.el ends here
projects / elisp / gnus.git- / blobdiff