;;; gnus-agent.el --- unplugged support for Gnus
-;; Copyright (C) 1997,98 Free Software Foundation, Inc.
+;; Copyright (C) 1997,98,99 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; This file is part of GNU Emacs.
(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 'no-conversion)
+(defvar gnus-agent-file-coding-system 'binary)
(defconst gnus-agent-scoreable-headers
- (list
- "subject" "from" "date" "message-id"
- "references" "chars" "lines" "xref")
- "Headers that are considered when scoring articles
-for download via the Agent.")
+ '("subject" "from" "date" "message-id" "references" "chars" "lines" "xref")
+ "Headers that are considered when scoring articles for download via the Agent.")
;; Dynamic variables
(defvar gnus-headers)
(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))
(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))
"Jj" gnus-agent-toggle-plugged
"Js" gnus-agent-fetch-session
"JS" gnus-group-send-drafts
- "Ja" gnus-agent-add-group)
+ "Ja" gnus-agent-add-group
+ "Jr" gnus-agent-remove-group)
(defun gnus-agent-group-make-menu-bar ()
(unless (boundp 'gnus-agent-group-menu)
(interactive)
(gnus-open-agent)
(add-hook 'gnus-setup-news-hook 'gnus-agent-queue-setup)
- (unless gnus-agent-send-mail-function
+ (unless gnus-agent-send-mail-function
(setq gnus-agent-send-mail-function message-send-mail-function
message-send-mail-function 'gnus-agent-send-mail))
(unless gnus-agent-covered-methods
(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 cat) (nconc (cadddr cat) groups))
(gnus-category-write)))
+(defun gnus-agent-remove-group (arg)
+ "Remove the current group from its agent category, if any."
+ (interactive "P")
+ (let (c)
+ (gnus-group-iterate arg
+ (lambda (group)
+ (when (cadddr (setq c (gnus-group-category group)))
+ (setf (cadddr c) (delete group (cadddr c))))))
+ (gnus-category-write)))
+
;;;
;;; Server mode commands
;;;
(defun gnus-agent-write-servers ()
"Write the alist of covered servers."
+ (gnus-make-directory (nnheader-concat gnus-agent-directory "lib"))
(with-temp-file (nnheader-concat gnus-agent-directory "lib/servers")
(prin1 gnus-agent-covered-methods (current-buffer))))
(when (and (not gnus-plugged)
(gnus-agent-method-p gnus-command-method))
(gnus-agent-load-alist gnus-newsgroup-name)
- (let ((articles gnus-newsgroup-unreads)
+ ;; First mark all undownloaded articles as undownloaded.
+ (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))
- (push article gnus-newsgroup-undownloaded)))))))
+ (memq article gnus-newsgroup-downloadable))
+ (push article gnus-newsgroup-undownloaded))))
+ ;; Then mark downloaded downloadable as not-downloadable,
+ ;; if you get my drift.
+ (let ((articles gnus-newsgroup-downloadable)
+ article)
+ (while (setq article (pop articles))
+ (when (cdr (assq article gnus-agent-article-alist))
+ (setq gnus-newsgroup-downloadable
+ (delq article gnus-newsgroup-downloadable))))))))
(defun gnus-agent-catchup ()
"Mark all undownloaded articles as read."
(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)
+ (when (re-search-forward
+ (concat (regexp-quote group) "\\($\\| \\)") nil t)
(gnus-delete-line))
(insert-buffer-substring nntp-server-buffer))))))
;; Fetch the articles from the backend.
(if (gnus-check-backend-function 'retrieve-articles group)
(setq pos (gnus-retrieve-articles articles group))
- (with-temp-file nil
+ (with-temp-buffer
(let (article)
(while (setq article (pop articles))
(when (gnus-request-article article group)
(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))))
+ (let ((articles (gnus-list-of-unread-articles group))
+ (gnus-decode-encoded-word-function 'identity)
+ (file (gnus-agent-article-name ".overview" group)))
+ ;; 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)))
(when articles
(gnus-message 7 "Fetching headers for %s..." group)
(save-excursion
(nnvirtual-convert-headers))
;; Save these headers for later processing.
(copy-to-buffer gnus-agent-overview-buffer (point-min) (point-max))
- (let (file)
- (when (file-exists-p
- (setq file (gnus-agent-article-name ".overview" group)))
- (gnus-agent-braid-nov group articles file))
- (gnus-make-directory (nnheader-translate-file-chars
- (file-name-directory file)))
- (let ((coding-system-for-write
- gnus-agent-file-coding-system))
- (write-region (point-min) (point-max) file nil 'silent))
- (gnus-agent-save-alist group articles nil)
- (gnus-agent-enter-history
- "last-header-fetched-for-session"
- (list (cons group (nth (- (length articles) 1) articles)))
- (time-to-days (current-time)))
- articles)))))
+ (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))
+ (gnus-agent-save-alist group articles nil)
+ (gnus-agent-enter-history
+ "last-header-fetched-for-session"
+ (list (cons group (nth (- (length articles) 1) articles)))
+ (time-to-days (current-time)))
+ articles))))
(defsubst gnus-agent-copy-nov-line (article)
(let (b e)
(defun gnus-agent-fetch-group-1 (group method)
"Fetch GROUP."
(let ((gnus-command-method method)
+ (gnus-newsgroup-name group)
gnus-newsgroup-dependencies gnus-newsgroup-headers
gnus-newsgroup-scored gnus-headers gnus-score
gnus-use-cache articles arts
;; 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
+ ;; 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))
(gnus-get-newsgroup-headers-xover articles nil nil group)))
(setq category (gnus-group-category group))
(setq predicate
- (gnus-get-predicate
+ (gnus-get-predicate
(or (gnus-group-get-parameter group 'agent-predicate t)
(cadr category))))
;; Do we want to download everything, or nothing?
(if (or (eq (caaddr predicate) 'gnus-agent-true)
(eq (caaddr predicate) 'gnus-agent-false))
;; Yes.
- (setq arts (symbol-value
- (cadr (assoc (caaddr predicate)
+ (setq arts (symbol-value
+ (cadr (assoc (caaddr predicate)
'((gnus-agent-true articles)
(gnus-agent-false nil))))))
;; No, we need to decide what we want.
(setq score-param
- (let ((score-method (or
- (gnus-group-get-parameter group 'agent-score t)
- (caddr category))))
+ (let ((score-method
+ (or
+ (gnus-group-get-parameter group 'agent-score t)
+ (caddr category))))
(when score-method
(require 'gnus-score)
(if (eq score-method 'file)
gnus-agent-scoreable-headers)
(push (car list) score-file))
(setq list (cdr list)))
- (setq score-param
+ (setq score-param
(append score-param (list (nreverse score-file)))
score-file nil entries (cdr entries)))
(list score-param))
(gnus-agent-fetch-articles
group (gnus-uncompress-range (cdr arts)))
(setq marks (delq arts (gnus-info-marks info)))
- (gnus-info-set-marks info marks))))
+ (gnus-info-set-marks info marks)
+ (gnus-dribble-enter
+ (concat "(gnus-group-set-info '"
+ (gnus-prin1-to-string info)
+ ")")))))
;;;
;;; Agent Category Mode
(or (gnus-agent-read-file
(nnheader-concat gnus-agent-directory "lib/categories"))
(list (list 'default 'short nil nil)))))
-
+
(defun gnus-category-write ()
"Write the category alist."
(setq gnus-category-predicate-cache nil
gnus-category-group-cache nil)
+ (gnus-make-directory (nnheader-concat gnus-agent-directory "lib"))
(with-temp-file (nnheader-concat gnus-agent-directory "lib/categories")
(prin1 gnus-category-alist (current-buffer))))
(setf (cadr (assq ',category gnus-category-alist)) predicate)
(gnus-category-write)
(gnus-category-list)))))
-
+
(defun gnus-category-edit-score (category)
"Edit the score expression for CATEGORY."
(interactive (list (gnus-category-name)))
(interactive "SCategory name: ")
(when (assq category gnus-category-alist)
(error "Category %s already exists" category))
- (push (list category 'true nil nil)
+ (push (list category 'false nil nil)
gnus-category-alist)
(gnus-category-write)
(gnus-category-list))
(defun gnus-agent-false ()
"Return nil."
nil)
-
+
(defun gnus-category-make-function-1 (cat)
"Make a function from category CAT."
(cond