;;; gnus-cache.el --- cache interface for Gnus
-;; Copyright (C) 1995,96,97,98,99 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000
+;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Tatsuya Ichikawa <t-ichi@po.shiojiri.ne.jp>
;;; Code:
(eval-when-compile (require 'cl))
+(eval-when-compile (require 'gnus-clfns))
(require 'gnus)
(require 'gnus-int)
(require 'gnus-sum))
(defcustom gnus-cache-active-file
- (concat (file-name-as-directory gnus-cache-directory) "active")
+ (expand-file-name "active" gnus-cache-directory)
"*The cache active file."
:group 'gnus-cache
:type 'file)
it's not cached."
:group 'gnus-cache
:type '(choice (const :tag "off" nil)
- regexp))
+ regexp))
(defcustom gnus-uncacheable-groups nil
"*Groups that match this regexp will not be cached.
(defvar gnus-cache-overview-coding-system 'raw-text
"Coding system used on Gnus cache files.")
-(defvar gnus-cache-coding-system 'binary
+(defvar gnus-cache-coding-system 'raw-text
"Coding system used on Gnus cache files.")
\f
(group article headers ticked dormant unread &optional force)
(when (and (or force (not (eq gnus-use-cache 'passive)))
(numberp article)
- (> article 0)
- (vectorp headers)) ; This might be a dummy article.
+ (> article 0) ; This might be a dummy article.
+ (vectorp headers))
(let ((number article) file)
;; If this is a virtual group, we find the real group.
(when (gnus-virtual-group-p group)
(when (and number
(> number 0) ; Reffed article.
(or force
- (and (or (not gnus-cacheable-groups)
- (string-match gnus-cacheable-groups group))
- (or (not gnus-uncacheable-groups)
+ (and (or (not gnus-cacheable-groups)
+ (string-match gnus-cacheable-groups group))
+ (or (not gnus-uncacheable-groups)
(not (string-match
gnus-uncacheable-groups group)))
(gnus-cache-member-of-class
t ; The article already is saved.
(save-excursion
(set-buffer nntp-server-buffer)
+ (require 'gnus-art)
(let ((gnus-use-cache nil)
(gnus-article-decode-hook nil))
(gnus-request-article-this-buffer number group))
cached articles))
type)))))))
-(defun gnus-cache-retrieve-parsed-headers (articles group &optional fetch-old
- dependencies force-new)
- "Retrieve the parsed-headers for ARTICLES in GROUP."
- (let ((cached
- (setq gnus-newsgroup-cached (gnus-cache-articles-in-group group))))
- (if (not cached)
- ;; No cached articles here, so we just retrieve them
- ;; the normal way.
- (let ((gnus-use-cache nil))
- (gnus-retrieve-parsed-headers articles group fetch-old
- dependencies force-new))
- (let ((uncached-articles (gnus-sorted-intersection
- (gnus-sorted-complement articles cached)
- articles))
- (cache-file (gnus-cache-file-name group ".overview")))
- (gnus-cache-braid-headers
- ;; We first retrieve all the headers that we don't have in
- ;; the cache.
- (prog1
- (let ((gnus-use-cache nil))
- (when uncached-articles
- (and articles
- (gnus-retrieve-parsed-headers
- uncached-articles group fetch-old
- dependencies))
- ))
- (gnus-cache-save-buffers))
- ;; Then we insert the cached headers.
- (cond ((not (file-exists-p cache-file))
- ;; There are no cached headers.
- )
- ((eq gnus-headers-retrieved-by 'nov)
- (with-current-buffer nntp-server-buffer
- (erase-buffer)
- (nnheader-insert-file-contents cache-file)
- (nnheader-get-newsgroup-headers-xover*
- articles nil dependencies group)
- ))
- (t
- ;; We braid HEADs.
- (nnheader-retrieve-headers-from-directory*
- cached
- (expand-file-name
- (file-name-as-directory
- (nnheader-translate-file-chars
- (if (gnus-use-long-file-name 'not-cache)
- group
- (let ((group
- (nnheader-replace-chars-in-string group ?/ ?_)))
- ;; Translate the first colon into a slash.
- (when (string-match ":" group)
- (aset group (match-beginning 0) ?/))
- (nnheader-replace-chars-in-string group ?. ?/)))
- t))
- gnus-cache-directory)
- dependencies)
- )))
- ))))
-
(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.
(defun gnus-summary-insert-cached-articles ()
"Insert all the articles cached for this group into the current buffer."
(interactive)
- (let ((cached (sort (copy-sequence gnus-newsgroup-cached) '<))
+ (let ((cached (sort (copy-sequence gnus-newsgroup-cached) '>))
(gnus-verbose (max 6 gnus-verbose)))
(unless cached
(gnus-message 3 "No cached articles for this group"))
(and (not unread) (not ticked) (not dormant) (memq 'read class))))
(defun gnus-cache-file-name (group article)
- (concat (file-name-as-directory gnus-cache-directory)
- (file-name-as-directory
- (nnheader-translate-file-chars
- (if (gnus-use-long-file-name 'not-cache)
- group
- (let ((group (nnheader-replace-chars-in-string group ?/ ?_)))
- ;; Translate the first colon into a slash.
- (when (string-match ":" group)
- (aset group (match-beginning 0) ?/))
- (nnheader-replace-chars-in-string group ?. ?/)))
- t))
- (if (stringp article) article (int-to-string article))))
+ (expand-file-name
+ (if (stringp article) article (int-to-string article))
+ (file-name-as-directory
+ (expand-file-name
+ (nnheader-translate-file-chars
+ (if (gnus-use-long-file-name 'not-cache)
+ group
+ (let ((group (nnheader-replace-duplicate-chars-in-string
+ (nnheader-replace-chars-in-string group ?/ ?_)
+ ?. ?_)))
+ ;; Translate the first colon into a slash.
+ (when (string-match ":" group)
+ (setq group (concat (substring group 0 (match-beginning 0))
+ "/" (substring group (match-end 0)))))
+ (nnheader-replace-chars-in-string group ?. ?/)))
+ t)
+ gnus-cache-directory))))
(defun gnus-cache-update-article (group article)
"If ARTICLE is in the cache, remove it and re-enter it."
(setq cached (cdr cached)))
(kill-buffer cache-buf)))
-(defun gnus-cache-braid-headers (headers cached-headers)
- (if cached-headers
- (if headers
- (let (cached-header hrest nhrest)
- (nconc (catch 'tag
- (while cached-headers
- (setq cached-header (car cached-headers))
- (if (< (mail-header-number cached-header)
- (mail-header-number (car headers)))
- (throw 'tag (nreverse cached-headers))
- (setq hrest headers
- nhrest (cdr hrest))
- (while (and nhrest
- (> (mail-header-number cached-header)
- (mail-header-number (car nhrest))))
- (setq hrest nhrest
- nhrest (cdr nhrest))
- )
- ;;(if nhrest
- (setcdr hrest (cons cached-header nhrest))
- ;; (setq headers
- ;; (nconc headers (list cached-header)))
- ;; (throw 'tag nil)
- ;;)
- )
- (setq cached-headers (cdr cached-headers))))
- headers))
- (nreverse cached-headers))
- headers))
-
;;;###autoload
(defun gnus-jog-cache ()
"Go through all groups and put the articles into the cache.
(let ((gnus-mark-article-hook nil)
(gnus-expert-user t)
(nnmail-spool-file nil)
+ (mail-sources nil)
(gnus-use-dribble-file nil)
(gnus-novice-user nil)
(gnus-large-newsgroup nil))
(when (or force
(and gnus-cache-active-hashtb
gnus-cache-active-altered))
- (with-temp-file gnus-cache-active-file
- (mapatoms
- (lambda (sym)
- (when (and sym (boundp sym))
- (insert (format "%s %d %d y\n"
- (symbol-name sym) (cdr (symbol-value sym))
- (car (symbol-value sym))))))
- gnus-cache-active-hashtb))
+ (gnus-write-active-file gnus-cache-active-file gnus-cache-active-hashtb t)
;; Mark the active hashtb as unaltered.
(setq gnus-cache-active-altered nil)))
(interactive (list gnus-cache-directory))
(gnus-cache-close)
(let ((nnml-generate-active-function 'identity))
- (nnml-generate-nov-databases-1 dir)))
+ (nnml-generate-nov-databases-1 dir))
+ (gnus-cache-open))
(defun gnus-cache-move-cache (dir)
"Move the cache tree to somewhere else."
projects / elisp / gnus.git- / blobdiff