;;; gnus-cache.el --- cache interface for Gnus
-;; Copyright (C) 1995 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
;; Keywords: news
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
;;; Commentary:
(defvar gnus-cache-remove-articles '(read)
"*Classes of articles to remove from the cache.")
-(defvar gnus-uncacheable-groups "^nnvirtual"
+(defvar gnus-uncacheable-groups nil
"*Groups that match this regexp will not be cached.
If you want to avoid caching your nnml groups, you could set this
(defvar gnus-cache-active-altered nil)
(eval-and-compile
- (autoload 'nnml-generate-nov-databases-1 "nnml"))
+ (autoload 'nnml-generate-nov-databases-1 "nnml")
+ (autoload 'nnvirtual-find-group-art "nnvirtual"))
\f
(defun gnus-cache-possibly-enter-article
(group article headers ticked dormant unread &optional force)
- (when (or force (not (eq gnus-use-cache 'passive)))
+ (when (and (or force (not (eq gnus-use-cache 'passive)))
+ (vectorp headers)) ; This might be a dummy article.
+ ;; If this is a virtual group, we find the real group.
+ (when (gnus-virtual-group-p group)
+ (let ((result (nnvirtual-find-group-art group article)))
+ (setq group (car result)
+ article (cdr result)
+ headers (copy-sequence headers))
+ (aset headers 0 article)))
(let ((number (mail-header-number headers))
file dir)
- (when (and (vectorp headers) ; This might be a dummy article.
- (> number 0) ; Reffed article.
+ (when (and (> number 0) ; Reffed article.
(or (not gnus-uncacheable-groups)
(not (string-match gnus-uncacheable-groups group)))
(or force
;; Save the article in the cache.
(if (file-exists-p file)
t ; The article already is saved.
- (let ((gnus-use-cache nil))
- (gnus-summary-select-article))
(save-excursion
- (set-buffer gnus-original-article-buffer)
- (save-restriction
- (widen)
- (write-region (point-min) (point-max) file nil 'quiet))
- (gnus-cache-change-buffer group)
- (set-buffer (cdr gnus-cache-buffer))
- (goto-char (point-max))
- (forward-line -1)
- (while (condition-case ()
- (and (not (bobp))
- (> (read (current-buffer)) number))
- (error
- ;; The line was malformed, so we just remove it!!
- (gnus-delete-line)
- t))
- (forward-line -1))
- (if (bobp)
- (if (not (eobp))
- (progn
- (beginning-of-line)
- (if (< (read (current-buffer)) number)
- (forward-line 1)))
- (beginning-of-line))
- (forward-line 1))
- (beginning-of-line)
- ;; [number subject from date id references chars lines xref]
- (insert (format "%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t\n"
- (mail-header-number headers)
- (mail-header-subject headers)
- (mail-header-from headers)
- (mail-header-date headers)
- (mail-header-id headers)
- (or (mail-header-references headers) "")
- (or (mail-header-chars headers) "")
- (or (mail-header-lines headers) "")
- (or (mail-header-xref headers) ""))))
- ;; Update the active info.
- (gnus-cache-update-active group number)
- (push number gnus-newsgroup-cached)
- t)))))
+ (set-buffer nntp-server-buffer)
+ (let ((gnus-use-cache nil))
+ (gnus-request-article-this-buffer article group))
+ (when (> (buffer-size) 0)
+ (write-region (point-min) (point-max) file nil 'quiet)
+ (gnus-cache-change-buffer group)
+ (set-buffer (cdr gnus-cache-buffer))
+ (goto-char (point-max))
+ (forward-line -1)
+ (while (condition-case ()
+ (and (not (bobp))
+ (> (read (current-buffer)) number))
+ (error
+ ;; The line was malformed, so we just remove it!!
+ (gnus-delete-line)
+ t))
+ (forward-line -1))
+ (if (bobp)
+ (if (not (eobp))
+ (progn
+ (beginning-of-line)
+ (if (< (read (current-buffer)) number)
+ (forward-line 1)))
+ (beginning-of-line))
+ (forward-line 1))
+ (beginning-of-line)
+ ;; [number subject from date id references chars lines xref]
+ (insert (format "%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t\n"
+ (mail-header-number headers)
+ (mail-header-subject headers)
+ (mail-header-from headers)
+ (mail-header-date headers)
+ (mail-header-id headers)
+ (or (mail-header-references headers) "")
+ (or (mail-header-chars headers) "")
+ (or (mail-header-lines headers) "")
+ (or (mail-header-xref headers) "")))
+ ;; Update the active info.
+ (set-buffer gnus-summary-buffer)
+ (gnus-cache-update-active group number)
+ (push number gnus-newsgroup-cached)
+ (gnus-summary-update-secondary-mark article))
+ t))))))
(defun gnus-cache-enter-remove-article (article)
"Mark ARTICLE for later possible removal."
- (setq gnus-cache-removeable-articles
- (cons article gnus-cache-removeable-articles)))
+ (when article
+ (push article gnus-cache-removable-articles)))
(defun gnus-cache-possibly-remove-articles ()
+ "Possibly remove some of the removable articles."
+ (if (not (gnus-virtual-group-p gnus-newsgroup-name))
+ (gnus-cache-possibly-remove-articles-1)
+ (let ((arts gnus-cache-removable-articles)
+ ga)
+ (while arts
+ (when (setq ga (nnvirtual-find-group-art
+ gnus-newsgroup-name (pop arts)))
+ (let ((gnus-cache-removable-articles (list (cdr ga)))
+ (gnus-newsgroup-name (car ga)))
+ (gnus-cache-possibly-remove-articles-1)))))
+ (setq gnus-cache-removable-articles nil)))
+
+(defun gnus-cache-possibly-remove-articles-1 ()
"Possibly remove some of the removable articles."
(unless (eq gnus-use-cache 'passive)
- (let ((articles gnus-cache-removeable-articles)
+ (let ((articles gnus-cache-removable-articles)
(cache-articles gnus-newsgroup-cached)
article)
(gnus-cache-change-buffer gnus-newsgroup-name)
(gnus-cache-braid-heads group cached)
type)))))
-(defun gnus-cache-enter-article (n)
+(defun gnus-cache-enter-article (&optional n)
"Enter the next N articles into the cache.
If not given a prefix, use the process marked articles instead.
Returns the list of articles entered."
(let ((group (concat group "")))
(if (string-match ":" group)
(aset group (match-beginning 0) ?/))
- (gnus-replace-chars-in-string group ?. ?/))))
+ (nnheader-replace-chars-in-string group ?. ?/))))
(if (stringp article) article (int-to-string article))))
(defun gnus-cache-possibly-remove-article
(progn (forward-line 1) (point)))))
(setq gnus-newsgroup-cached
(delq article gnus-newsgroup-cached))
+ (gnus-summary-update-secondary-mark article)
t)))
(defun gnus-cache-articles-in-group (group)
(defun gnus-jog-cache ()
"Go through all groups and put the articles into the cache."
(interactive)
- (let ((newsrc (cdr gnus-newsrc-alist))
- (gnus-cache-enter-articles '(unread))
- (gnus-mark-article-hook nil)
+ (let ((gnus-mark-article-hook nil)
(gnus-expert-user t)
+ (nnmail-spool-file nil)
+ (gnus-use-dribble-file nil)
+ (gnus-novice-user nil)
(gnus-large-newsgroup nil))
- (while newsrc
- (gnus-summary-read-group (car (car newsrc)))
- (if (not (eq major-mode 'gnus-summary-mode))
- ()
- (while gnus-newsgroup-unreads
- (gnus-summary-select-article t t nil (car gnus-newsgroup-unreads))
- (setq gnus-newsgroup-unreads (cdr gnus-newsgroup-unreads)))
- (kill-buffer (current-buffer)))
- (setq newsrc (cdr newsrc)))))
+ ;; Start Gnus.
+ (gnus)
+ ;; Go through all groups...
+ (gnus-group-mark-buffer)
+ (gnus-group-universal-argument
+ nil nil
+ (lambda ()
+ (gnus-summary-read-group nil nil t)
+ ;; ... and enter the articles into the cache.
+ (when (eq major-mode 'gnus-summary-mode)
+ (gnus-uu-mark-buffer)
+ (gnus-cache-enter-article)
+ (kill-buffer (current-buffer)))))))
(defun gnus-cache-read-active (&optional force)
"Read the cache active file."
(symbol-name sym) (cdr (symbol-value sym))
(car (symbol-value sym))))))
gnus-cache-active-hashtb)
+ (gnus-make-directory (file-name-directory gnus-cache-active-file))
(write-region
(point-min) (point-max) gnus-cache-active-file nil 'silent))
;; Mark the active hashtb as unaltered.
(directory (expand-file-name (or directory gnus-cache-directory)))
(files (directory-files directory 'full))
(group
- (progn
+ (if top
+ ""
(string-match
(concat "^" (file-name-as-directory
(expand-file-name gnus-cache-directory)))
- directory)
- (gnus-replace-chars-in-string
- (substring directory (match-end 0))
+ (directory-file-name directory))
+ (nnheader-replace-chars-in-string
+ (substring (directory-file-name directory) (match-end 0))
?/ ?.)))
nums alphs)
(when top