;;; gnus-cache.el --- cache interface for Gnus
-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
+;; Tatsuya Ichikawa <t-ichi@po.shiojiri.ne.jp>
+;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
;; Keywords: news
;; This file is part of GNU Emacs.
;;; Code:
(eval-when-compile (require 'cl))
+(eval-when-compile (require 'gnus-clfns))
(require 'gnus)
(require 'gnus-int)
(defvar gnus-cache-buffer nil)
(defvar gnus-cache-active-hashtb nil)
(defvar gnus-cache-active-altered nil)
+(defvar gnus-cache-write-file-coding-system 'raw-text)
(eval-and-compile
(autoload 'nnml-generate-nov-databases-1 "nnml")
(set-buffer buffer)
(if (> (buffer-size) 0)
;; Non-empty overview, write it to a file.
- (let ((coding-system-for-write
- gnus-cache-overview-coding-system))
- (gnus-write-buffer overview-file))
+ (gnus-write-buffer-as-coding-system
+ gnus-cache-overview-coding-system overview-file)
;; Empty overview file, remove it
(when (file-exists-p overview-file)
(delete-file overview-file))
(setq gnus-cache-buffer nil))))
(defun gnus-cache-possibly-enter-article
- (group article ticked dormant unread &optional force)
+ (group article headers ticked dormant unread &optional force)
(when (and (or force (not (eq gnus-use-cache 'passive)))
(numberp article)
- (> article 0)) ; This might be a dummy article.
- (let ((number article) file headers)
+ (> 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)
(let ((result (nnvirtual-find-group-art
(gnus-article-decode-hook nil))
(gnus-request-article-this-buffer number group))
(when (> (buffer-size) 0)
- (let ((coding-system-for-write gnus-cache-coding-system))
- (gnus-write-buffer file))
+ (gnus-write-buffer-as-coding-system
+ gnus-cache-write-file-coding-system file)
(setq headers (nnheader-parse-head t))
(mail-header-set-number headers number)
(gnus-cache-change-buffer group)
;; Update the active info.
(set-buffer gnus-summary-buffer)
(gnus-cache-possibly-update-active group (cons number number))
- (push article gnus-newsgroup-cached)
+ (setq gnus-newsgroup-cached
+ (gnus-add-to-sorted-list gnus-newsgroup-cached article))
(gnus-summary-update-secondary-mark article))
t))))))
(when (file-exists-p file)
(erase-buffer)
(gnus-kill-all-overlays)
- (let ((coding-system-for-read gnus-cache-coding-system))
- (insert-file-contents file))
+ (let ((nnheader-file-coding-system gnus-cache-coding-system))
+ (nnheader-insert-file-contents file))
t)))
(defun gnus-cache-possibly-alter-active (group active)
;; the normal way.
(let ((gnus-use-cache nil))
(gnus-retrieve-headers articles group fetch-old))
- (let ((uncached-articles (gnus-sorted-intersection
- (gnus-sorted-complement articles cached)
- articles))
+ (let ((uncached-articles (gnus-sorted-difference articles cached))
(cache-file (gnus-cache-file-name group ".overview"))
type)
;; We first retrieve all the headers that we don't have in
;; unsuccessful), so we use the cached headers exclusively.
(set-buffer nntp-server-buffer)
(erase-buffer)
- (let ((coding-system-for-read
+ (let ((nnheader-file-coding-system
gnus-cache-overview-coding-system))
- (insert-file-contents cache-file))
+ (nnheader-insert-file-contents cache-file))
'nov)
((eq type 'nov)
;; We have both cached and uncached NOV headers, so we
(if (natnump article)
(when (gnus-cache-possibly-enter-article
gnus-newsgroup-name article
+ (gnus-summary-article-header article)
nil nil nil t)
(push article out))
(gnus-message 2 "Can't cache article %d" article))
(gnus-summary-position-point)
(nreverse out)))
-(defun gnus-cache-remove-article (n)
+(defun gnus-cache-remove-article (&optional n)
"Remove the next N articles from the cache.
If not given a prefix, use the process marked articles instead.
Returns the list of articles removed."
(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 gnus-newsgroup-cached)
(gnus-verbose (max 6 gnus-verbose)))
- (unless cached
- (gnus-message 3 "No cached articles for this group"))
- (while cached
- (gnus-summary-goto-subject (pop cached) t))))
+ (if (not cached)
+ (gnus-message 3 "No cached articles for this group")
+ (save-excursion
+ (while cached
+ (gnus-summary-goto-subject (pop cached) t)))
+ (gnus-summary-limit (append gnus-newsgroup-cached gnus-newsgroup-limit))
+ (gnus-summary-position-point))))
(defun gnus-summary-limit-include-cached ()
"Limit the summary buffer to articles that are cached."
(interactive)
- (let ((cached (sort (copy-sequence gnus-newsgroup-cached) '>))
- (gnus-verbose (max 6 gnus-verbose)))
- (if cached
- (progn
- (gnus-summary-limit cached)
- (gnus-summary-position-point))
- (gnus-message 3 "No cached articles for this group"))))
+ (let ((gnus-verbose (max 6 gnus-verbose)))
+ (if gnus-newsgroup-cached
+ (progn
+ (gnus-summary-limit gnus-newsgroup-cached)
+ (gnus-summary-position-point))
+ (gnus-message 3 "No cached articles for this group"))))
;;; Internal functions.
?. ?_)))
;; 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)))))
+ (setq group (concat (substring group 0 (match-beginning 0))
+ "/" (substring group (match-end 0)))))
(nnheader-replace-chars-in-string group ?. ?/)))
t)
gnus-cache-directory))))
(when (gnus-cache-possibly-remove-article article nil nil nil t)
(let ((gnus-use-cache nil))
(gnus-cache-possibly-enter-article
- gnus-newsgroup-name article
+ gnus-newsgroup-name article (gnus-summary-article-header article)
nil nil nil t))))
(defun gnus-cache-possibly-remove-article (article ticked dormant unread
(point-max) t))
(delete-region (progn (beginning-of-line) (point))
(progn (forward-line 1) (point)))))
- (setq gnus-newsgroup-cached
- (delq article gnus-newsgroup-cached))
+ (unless (setq gnus-newsgroup-cached
+ (delq article gnus-newsgroup-cached))
+ (gnus-sethash gnus-newsgroup-name nil gnus-cache-active-hashtb)
+ (setq gnus-cache-active-altered t))
(gnus-summary-update-secondary-mark article)
t)))
(directory-files dir nil "^[0-9]+$" t))
'<))
;; Update the cache active file, just to synch more.
- (when articles
- (gnus-cache-update-active group (car articles) t)
- (gnus-cache-update-active group (car (last articles))))
+ (if articles
+ (progn
+ (gnus-cache-update-active group (car articles) t)
+ (gnus-cache-update-active group (car (last articles))))
+ (when (gnus-gethash group gnus-cache-active-hashtb)
+ (gnus-sethash group nil gnus-cache-active-hashtb)
+ (setq gnus-cache-active-altered t)))
articles)))
(defun gnus-cache-braid-nov (group cached &optional file)
(save-excursion
(set-buffer cache-buf)
(erase-buffer)
- (let ((coding-system-for-read
- gnus-cache-overview-coding-system))
- (insert-file-contents
+ (let ((nnheader-file-coding-system gnus-cache-overview-coding-system))
+ (nnheader-insert-file-contents
(or file (gnus-cache-file-name group ".overview"))))
(goto-char (point-min))
(insert "\n")
(< (read (current-buffer)) (car cached)))
(forward-line 1))
(beginning-of-line)
- (save-excursion
- (set-buffer cache-buf)
- (if (search-forward (concat "\n" (int-to-string (car cached)) "\t")
- nil t)
- (setq beg (progn (beginning-of-line) (point))
- end (progn (end-of-line) (point)))
- (setq beg nil)))
+ (set-buffer cache-buf)
+ (if (search-forward (concat "\n" (int-to-string (car cached)) "\t")
+ nil t)
+ (setq beg (progn (beginning-of-line) (point))
+ end (progn (end-of-line) (point)))
+ (setq beg nil))
+ (set-buffer nntp-server-buffer)
(when beg
(insert-buffer-substring cache-buf beg end)
(insert "\n"))
(save-excursion
(set-buffer cache-buf)
(erase-buffer)
- (let ((coding-system-for-read
- gnus-cache-coding-system))
- (insert-file-contents (gnus-cache-file-name group (car cached))))
+ (let ((nnheader-file-coding-system gnus-cache-coding-system))
+ (nnheader-insert-file-contents
+ (gnus-cache-file-name group (car cached))))
(goto-char (point-min))
(insert "220 ")
(princ (car cached) (current-buffer))
(string-match gnus-cacheable-groups group))
(or (not gnus-uncacheable-groups)
(not (string-match gnus-uncacheable-groups group)))))))
-
(provide 'gnus-cache)
projects / elisp / gnus.git- / blobdiff