X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Fgnus-cache.el;h=545f54a7f7a0042db4ab0fbb5414622a435be776;hb=3c19a9d1054e341f806d39714ddf1d70b03ef142;hp=af2513b40ff46e146a0840dc863ee39e3a99d6b2;hpb=2ad0e1a962763fc4b9c4ed14dca5f730b60bf9dd;p=elisp%2Fgnus.git- diff --git a/lisp/gnus-cache.el b/lisp/gnus-cache.el index af2513b..545f54a 100644 --- a/lisp/gnus-cache.el +++ b/lisp/gnus-cache.el @@ -1,7 +1,8 @@ ;;; gnus-cache.el --- cache interface for Gnus -;; Copyright (C) 1995,96,97,98 Free Software Foundation, Inc. +;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 +;; Free Software Foundation, Inc. -;; Author: Lars Magne Ingebrigtsen +;; Author: Lars Magne Ingebrigtsen ;; Keywords: news ;; This file is part of GNU Emacs. @@ -50,15 +51,36 @@ :group 'gnus-cache :type '(set (const ticked) (const dormant) (const unread) (const read))) +(defcustom gnus-cacheable-groups nil + "*Groups that match this regexp will be cached. + +If you only want to cache your nntp groups, you could set this +variable to \"^nntp\". + +If a group matches both gnus-cacheable-groups and gnus-uncacheable-groups +it's not cached." + :group 'gnus-cache + :type '(choice (const :tag "off" nil) + regexp)) + (defcustom 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 -variable to \"^nnml\"." +variable to \"^nnml\". + +If a group matches both gnus-cacheable-groups and gnus-uncacheable-groups +it's not cached." :group 'gnus-cache :type '(choice (const :tag "off" nil) regexp)) +(defvar gnus-cache-overview-coding-system 'raw-text + "Coding system used on Gnus cache files.") + +(defvar gnus-cache-coding-system 'raw-text + "Coding system used on Gnus cache files.") + ;;; Internal variables. @@ -106,7 +128,9 @@ variable to \"^nnml\"." (set-buffer buffer) (if (> (buffer-size) 0) ;; Non-empty overview, write it to a file. - (gnus-write-buffer overview-file) + (let ((coding-system-for-write + gnus-cache-overview-coding-system)) + (gnus-write-buffer overview-file)) ;; Empty overview file, remove it (when (file-exists-p overview-file) (delete-file overview-file)) @@ -122,24 +146,23 @@ variable to \"^nnml\"." (setq gnus-cache-buffer nil)))) (defun gnus-cache-possibly-enter-article - (group article headers ticked dormant unread &optional force) + (group article 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. - ;; If this is a virtual group, we find the real group. - (when (gnus-virtual-group-p group) - (let ((result (nnvirtual-find-group-art - (gnus-group-real-name group) article))) - (setq group (car result) - headers (copy-sequence headers)) - (mail-header-set-number headers (cdr result)))) - (let ((number (mail-header-number headers)) - file dir) + (> article 0)) ; This might be a dummy article. + (let ((number article) file headers) + ;; If this is a virtual group, we find the real group. + (when (gnus-virtual-group-p group) + (let ((result (nnvirtual-find-group-art + (gnus-group-real-name group) article))) + (setq group (car result) + number (cdr result)))) (when (and number (> number 0) ; Reffed article. (or force - (and (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 @@ -147,16 +170,21 @@ variable to \"^nnml\"." (not (file-exists-p (setq file (gnus-cache-file-name group number))))) ;; Possibly create the cache directory. - (gnus-make-directory (setq dir (file-name-directory file))) + (gnus-make-directory (file-name-directory file)) ;; Save the article in the cache. (if (file-exists-p file) t ; The article already is saved. (save-excursion (set-buffer nntp-server-buffer) - (let ((gnus-use-cache nil)) + (require 'gnus-art) + (let ((gnus-use-cache nil) + (gnus-article-decode-hook nil)) (gnus-request-article-this-buffer number group)) (when (> (buffer-size) 0) - (gnus-write-buffer file) + (let ((coding-system-for-write gnus-cache-coding-system)) + (gnus-write-buffer file)) + (setq headers (nnheader-parse-head t)) + (mail-header-set-number headers number) (gnus-cache-change-buffer group) (set-buffer (cdr gnus-cache-buffer)) (goto-char (point-max)) @@ -178,17 +206,7 @@ variable to \"^nnml\"." (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) ""))) + (nnheader-insert-nov headers) ;; Update the active info. (set-buffer gnus-summary-buffer) (gnus-cache-update-active group number) @@ -242,7 +260,8 @@ variable to \"^nnml\"." (when (file-exists-p file) (erase-buffer) (gnus-kill-all-overlays) - (insert-file-contents file) + (let ((coding-system-for-read gnus-cache-coding-system)) + (insert-file-contents file)) t))) (defun gnus-cache-possibly-alter-active (group active) @@ -288,7 +307,9 @@ variable to \"^nnml\"." ;; unsuccessful), so we use the cached headers exclusively. (set-buffer nntp-server-buffer) (erase-buffer) - (insert-file-contents cache-file) + (let ((coding-system-for-read + gnus-cache-overview-coding-system)) + (insert-file-contents cache-file)) 'nov) ((eq type 'nov) ;; We have both cached and uncached NOV headers, so we @@ -313,7 +334,6 @@ Returns the list of articles entered." (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)) @@ -347,7 +367,7 @@ 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 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")) @@ -371,8 +391,8 @@ Returns the list of articles removed." (save-excursion (setq gnus-cache-buffer (cons group - (set-buffer (get-buffer-create " *gnus-cache-overview*")))) - (buffer-disable-undo (current-buffer)) + (set-buffer (gnus-get-buffer-create + " *gnus-cache-overview*")))) ;; Insert the contents of this group's cache overview. (erase-buffer) (let ((file (gnus-cache-file-name group ".overview"))) @@ -395,7 +415,9 @@ Returns the list of articles removed." (nnheader-translate-file-chars (if (gnus-use-long-file-name 'not-cache) group - (let ((group (nnheader-replace-chars-in-string 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) (aset group (match-beginning 0) ?/)) @@ -405,10 +427,11 @@ Returns the list of articles removed." (defun gnus-cache-update-article (group article) "If ARTICLE is in the cache, remove it and re-enter it." + (gnus-cache-change-buffer group) (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-summary-article-header article) + gnus-newsgroup-name article nil nil nil t)))) (defun gnus-cache-possibly-remove-article (article ticked dormant unread @@ -458,14 +481,16 @@ Returns the list of articles removed." articles))) (defun gnus-cache-braid-nov (group cached &optional file) - (let ((cache-buf (get-buffer-create " *gnus-cache*")) + (let ((cache-buf (gnus-get-buffer-create " *gnus-cache*")) beg end) (gnus-cache-save-buffers) (save-excursion (set-buffer cache-buf) - (buffer-disable-undo (current-buffer)) (erase-buffer) - (insert-file-contents (or file (gnus-cache-file-name group ".overview"))) + (let ((coding-system-for-read + gnus-cache-overview-coding-system)) + (insert-file-contents + (or file (gnus-cache-file-name group ".overview")))) (goto-char (point-min)) (insert "\n") (goto-char (point-min))) @@ -490,10 +515,9 @@ Returns the list of articles removed." (kill-buffer cache-buf))) (defun gnus-cache-braid-heads (group cached) - (let ((cache-buf (get-buffer-create " *gnus-cache*"))) + (let ((cache-buf (gnus-get-buffer-create " *gnus-cache*"))) (save-excursion (set-buffer cache-buf) - (buffer-disable-undo (current-buffer)) (erase-buffer)) (set-buffer nntp-server-buffer) (goto-char (point-min)) @@ -508,7 +532,9 @@ Returns the list of articles removed." (save-excursion (set-buffer cache-buf) (erase-buffer) - (insert-file-contents (gnus-cache-file-name group (car cached))) + (let ((coding-system-for-read + gnus-cache-coding-system)) + (insert-file-contents (gnus-cache-file-name group (car cached)))) (goto-char (point-min)) (insert "220 ") (princ (car cached) (current-buffer)) @@ -552,14 +578,14 @@ $ emacs -batch -l ~/.emacs -l gnus -f gnus-jog-cache" "Read the cache active file." (gnus-make-directory gnus-cache-directory) (if (or (not (file-exists-p gnus-cache-active-file)) - (not (zerop (nth 7 (file-attributes gnus-cache-active-file)))) + (zerop (nth 7 (file-attributes gnus-cache-active-file))) force) ;; There is no active file, so we generate one. (gnus-cache-generate-active) ;; We simply read the active file. (save-excursion (gnus-set-work-buffer) - (insert-file-contents gnus-cache-active-file) + (nnheader-insert-file-contents gnus-cache-active-file) (gnus-active-to-gnus-format nil (setq gnus-cache-active-hashtb (gnus-make-hashtable @@ -571,14 +597,7 @@ $ emacs -batch -l ~/.emacs -l gnus -f gnus-jog-cache" (when (or force (and gnus-cache-active-hashtb gnus-cache-active-altered)) - (nnheader-temp-write 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))) @@ -607,8 +626,9 @@ If LOW, update the lower bound instead." (if top "" (string-match - (concat "^" (file-name-as-directory - (expand-file-name gnus-cache-directory))) + (concat "^" (regexp-quote + (file-name-as-directory + (expand-file-name gnus-cache-directory)))) (directory-file-name directory)) (nnheader-replace-chars-in-string (substring (directory-file-name directory) (match-end 0)) @@ -617,6 +637,8 @@ If LOW, update the lower bound instead." (when top (gnus-message 5 "Generating the cache active file...") (setq gnus-cache-active-hashtb (gnus-make-hashtable 123))) + (when (string-match "^\\(nn[^_]+\\)_" group) + (setq group (replace-match "\\1:" t t group))) ;; Separate articles from all other files and directories. (while files (if (string-match "^[0-9]+$" (file-name-nondirectory (car files))) @@ -629,7 +651,7 @@ If LOW, update the lower bound instead." ;; Go through all the other files. (while alphs (when (and (file-directory-p (car alphs)) - (not (string-match "^\\.\\.?$" + (not (string-match "^\\." (file-name-nondirectory (car alphs))))) ;; We descend directories. (gnus-cache-generate-active (car alphs)))