diff options
Diffstat (limited to 'lisp/gnus/nnfolder.el')
| -rw-r--r-- | lisp/gnus/nnfolder.el | 661 |
1 files changed, 516 insertions, 145 deletions
diff --git a/lisp/gnus/nnfolder.el b/lisp/gnus/nnfolder.el index b4699c4e5b..142202cb4d 100644 --- a/lisp/gnus/nnfolder.el +++ b/lisp/gnus/nnfolder.el @@ -1,10 +1,12 @@ ;;; nnfolder.el --- mail folder access for Gnus -;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001 +;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003 ;; Free Software Foundation, Inc. -;; Author: Scott Byer <[email protected]> +;; Author: Simon Josefsson <[email protected]> (adding MARKS) +;; ShengHuo Zhu <[email protected]> (adding NOV) +;; Scott Byer <[email protected]> ;; Lars Magne Ingebrigtsen <[email protected]> -;; Masanobu UMEDA <[email protected]> +;; Masanobu UMEDA <[email protected]> ;; Keywords: mail ;; This file is part of GNU Emacs. @@ -33,14 +35,27 @@ (require 'nnmail) (require 'nnoo) (eval-when-compile (require 'cl)) +(require 'gnus) (require 'gnus-util) (require 'gnus-range) +(eval-and-compile + (autoload 'gnus-article-unpropagatable-p "gnus-sum") + (autoload 'gnus-intersection "gnus-range")) + (nnoo-declare nnfolder) (defvoo nnfolder-directory (expand-file-name message-directory) "The name of the nnfolder directory.") +(defvoo nnfolder-nov-directory nil + "The name of the nnfolder NOV directory. +If nil, `nnfolder-directory' is used.") + +(defvoo nnfolder-marks-directory nil + "The name of the nnfolder MARKS directory. +If nil, `nnfolder-directory' is used.") + (defvoo nnfolder-active-file (nnheader-concat nnfolder-directory "active") "The name of the active file.") @@ -76,12 +91,13 @@ message, a huge time saver for large mailboxes.") (defvoo nnfolder-save-buffer-hook nil "Hook run before saving the nnfolder mbox buffer.") + (defvoo nnfolder-inhibit-expiry nil "If non-nil, inhibit expiry.") -(defconst nnfolder-version "nnfolder 1.0" +(defconst nnfolder-version "nnfolder 2.0" "nnfolder version.") (defconst nnfolder-article-marker "X-Gnus-Article-Number: " @@ -100,7 +116,37 @@ message, a huge time saver for large mailboxes.") (defvoo nnfolder-file-coding-system mm-text-coding-system) (defvoo nnfolder-file-coding-system-for-write nnheader-file-coding-system "Coding system for save nnfolder file. -If nil, `nnfolder-file-coding-system' is used.") +if nil, `nnfolder-file-coding-system' is used.") ; FIXME: fill-in the doc-string of this variable + +(defvoo nnfolder-nov-is-evil nil + "If non-nil, Gnus will never generate and use nov databases for mail groups. +Using nov databases will speed up header fetching considerably. +This variable shouldn't be flipped much. If you have, for some reason, +set this to t, and want to set it to nil again, you should always run +the `nnfolder-generate-active-file' command. The function will go +through all nnfolder directories and generate nov databases for them +all. This may very well take some time.") + +(defvoo nnfolder-nov-file-suffix ".nov") + +(defvoo nnfolder-nov-buffer-alist nil) + +(defvar nnfolder-nov-buffer-file-name nil) + +(defvoo nnfolder-marks-is-evil nil + "If non-nil, Gnus will never generate and use marks file for mail groups. +Using marks files makes it possible to backup and restore mail groups +separately from `.newsrc.eld'. If you have, for some reason, set +this to t, and want to set it to nil again, you should always remove +the corresponding marks file (usually base nnfolder file name +concatenated with `.mrk', but see `nnfolder-marks-file-suffix') for +the group. Then the marks file will be regenerated properly by Gnus.") + +(defvoo nnfolder-marks nil) + +(defvoo nnfolder-marks-file-suffix ".mrk") + +(defvar nnfolder-marks-modtime (gnus-make-hashtable)) @@ -112,34 +158,82 @@ If nil, `nnfolder-file-coding-system' is used.") (save-excursion (set-buffer nntp-server-buffer) (erase-buffer) - (let (article start stop) + (let (article start stop num) (nnfolder-possibly-change-group group server) (when nnfolder-current-buffer (set-buffer nnfolder-current-buffer) (goto-char (point-min)) (if (stringp (car articles)) 'headers - (while (setq article (pop articles)) - (set-buffer nnfolder-current-buffer) - (when (nnfolder-goto-article article) - (setq start (point)) - (setq stop (if (search-forward "\n\n" nil t) - (1- (point)) - (point-max))) - (set-buffer nntp-server-buffer) - (insert (format "221 %d Article retrieved.\n" article)) - (insert-buffer-substring nnfolder-current-buffer start stop) - (goto-char (point-max)) - (insert ".\n"))) - - (set-buffer nntp-server-buffer) - (nnheader-fold-continuation-lines) - 'headers))))) + (if (nnfolder-retrieve-headers-with-nov articles fetch-old) + 'nov + (setq articles (gnus-sorted-intersection + ;; Is ARTICLES sorted? + (sort articles '<) + (nnfolder-existing-articles))) + (while (setq article (pop articles)) + (set-buffer nnfolder-current-buffer) + (cond ((nnfolder-goto-article article) + (setq start (point)) + (setq stop (if (search-forward "\n\n" nil t) + (1- (point)) + (point-max))) + (set-buffer nntp-server-buffer) + (insert (format "221 %d Article retrieved.\n" article)) + (insert-buffer-substring nnfolder-current-buffer + start stop) + (goto-char (point-max)) + (insert ".\n")) + + ;; If we couldn't find this article, skip over ranges + ;; of missing articles so we don't search the whole file + ;; for each of them. + ((numberp article) + (setq start (point)) + (and + ;; Check that we are either at BOF or after an + ;; article with a lower number. We do this so we + ;; won't be confused by out-of-order article numbers, + ;; as caused by active file bogosity. + (cond + ((bobp)) + ((search-backward (concat "\n" nnfolder-article-marker) + nil t) + (goto-char (match-end 0)) + (setq num (string-to-int + (buffer-substring + (point) (gnus-point-at-eol)))) + (goto-char start) + (< num article))) + ;; Check that we are before an article with a + ;; higher number. + (search-forward (concat "\n" nnfolder-article-marker) + nil t) + (progn + (setq num (string-to-int + (buffer-substring + (point) (gnus-point-at-eol)))) + (> num article)) + ;; Discard any article numbers before the one we're + ;; now looking at. + (while (and articles + (< (car articles) num)) + (setq articles (cdr articles)))) + (goto-char start)))) + (set-buffer nntp-server-buffer) + (nnheader-fold-continuation-lines) + 'headers)))))) (deffoo nnfolder-open-server (server &optional defs) (nnoo-change-server 'nnfolder server defs) (nnmail-activate 'nnfolder t) (gnus-make-directory nnfolder-directory) + (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) + (and nnfolder-nov-directory + (gnus-make-directory nnfolder-nov-directory))) + (unless nnfolder-marks-is-evil + (and nnfolder-marks-directory + (gnus-make-directory nnfolder-marks-directory))) (cond ((not (file-exists-p nnfolder-directory)) (nnfolder-close-server) @@ -191,9 +285,8 @@ If nil, `nnfolder-file-coding-system' is used.") (cons nnfolder-current-group (if (search-forward (concat "\n" nnfolder-article-marker) nil t) - (string-to-int - (buffer-substring - (point) (progn (end-of-line) (point)))) + (string-to-int (buffer-substring + (point) (gnus-point-at-eol))) -1)))))))) (deffoo nnfolder-request-group (group &optional server dont-check) @@ -313,13 +406,13 @@ If nil, `nnfolder-file-coding-system' is used.") (let ((marker (concat "\n" nnfolder-article-marker)) (number "[0-9]+") numbers) - (while (and (search-forward marker nil t) (re-search-forward number nil t)) (let ((newnum (string-to-number (match-string 0)))) (if (nnmail-within-headers-p) (push newnum numbers)))) - numbers)))) + ;; The article numbers are increasing, so this result is sorted. + (nreverse numbers))))) (deffoo nnfolder-request-expire-articles (articles newsgroup &optional server force) @@ -330,7 +423,7 @@ If nil, `nnfolder-file-coding-system' is used.") ;; The articles that really exist and will ;; be expired if they are old enough. (maybe-expirable - (gnus-intersection articles (nnfolder-existing-articles)))) + (gnus-sorted-intersection articles (nnfolder-existing-articles)))) (nnmail-activate 'nnfolder) (save-excursion @@ -354,12 +447,15 @@ If nil, `nnfolder-file-coding-system' is used.") (with-temp-buffer (nnfolder-request-article (car maybe-expirable) newsgroup server (current-buffer)) - (let ((nnml-current-directory nil)) + (let ((nnfolder-current-directory nil)) (nnmail-expiry-target-group - nnmail-expiry-target newsgroup)))) + nnmail-expiry-target newsgroup))) + (nnfolder-possibly-change-group newsgroup server)) (nnheader-message 5 "Deleting article %d in %s..." (car maybe-expirable) newsgroup) (nnfolder-delete-mail) + (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) + (nnfolder-nov-delete-article newsgroup (car maybe-expirable))) ;; Must remember which articles were actually deleted (push (car maybe-expirable) deleted-articles))) (setq maybe-expirable (cdr maybe-expirable))) @@ -368,7 +464,7 @@ If nil, `nnfolder-file-coding-system' is used.") (nnfolder-save-buffer) (nnfolder-adjust-min-active newsgroup) (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) - (gnus-sorted-complement articles (nreverse deleted-articles))))) + (gnus-sorted-difference articles (nreverse deleted-articles))))) (deffoo nnfolder-request-move-article (article group server accept-form &optional last) @@ -386,8 +482,7 @@ If nil, `nnfolder-file-coding-system' is used.") (concat "^" nnfolder-article-marker) (save-excursion (and (search-forward "\n\n" nil t) (point))) t) - (delete-region (progn (beginning-of-line) (point)) - (progn (forward-line 1) (point)))) + (gnus-delete-line)) (setq result (eval accept-form)) (kill-buffer buf) result) @@ -397,6 +492,8 @@ If nil, `nnfolder-file-coding-system' is used.") (goto-char (point-min)) (when (nnfolder-goto-article article) (nnfolder-delete-mail)) + (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) + (nnfolder-nov-delete-article group article)) (when last (nnfolder-save-buffer) (nnfolder-adjust-min-active group) @@ -414,33 +511,38 @@ If nil, `nnfolder-file-coding-system' is used.") (replace-match "From ") (while (progn (forward-line) (looking-at "[ \t]")) (delete-char -1))) - (and - (nnfolder-request-list) - (save-excursion - (set-buffer buf) - (goto-char (point-min)) - (if (search-forward "\n\n" nil t) - (forward-line -1) - (goto-char (point-max))) - (while (re-search-backward (concat "^" nnfolder-article-marker) nil t) - (delete-region (point) (progn (forward-line 1) (point)))) - (when nnmail-cache-accepted-message-ids - (nnmail-cache-insert (nnmail-fetch-field "message-id"))) - (setq result (if (stringp group) - (list (cons group (nnfolder-active-number group))) - (setq art-group - (nnmail-article-group 'nnfolder-active-number)))) - (if (and (null result) - (yes-or-no-p "Moved to `junk' group; delete article? ")) - (setq result 'junk) - (setq result - (car (nnfolder-save-mail result))))) - (when last - (save-excursion - (nnfolder-possibly-change-folder (or (caar art-group) group)) - (nnfolder-save-buffer) - (when nnmail-cache-accepted-message-ids - (nnmail-cache-close))))) + (with-temp-buffer + (let ((nnmail-file-coding-system nnfolder-active-file-coding-system) + (nntp-server-buffer (current-buffer))) + (nnmail-find-file nnfolder-active-file) + (setq nnfolder-group-alist (nnmail-parse-active)))) + (save-excursion + (goto-char (point-min)) + (if (search-forward "\n\n" nil t) + (forward-line -1) + (goto-char (point-max))) + (while (re-search-backward (concat "^" nnfolder-article-marker) nil t) + (delete-region (point) (progn (forward-line 1) (point)))) + (when nnmail-cache-accepted-message-ids + (nnmail-cache-insert (nnmail-fetch-field "message-id") + group + (nnmail-fetch-field "subject") + (nnmail-fetch-field "from"))) + (setq result (if (stringp group) + (list (cons group (nnfolder-active-number group))) + (setq art-group + (nnmail-article-group 'nnfolder-active-number)))) + (if (and (null result) + (yes-or-no-p "Moved to `junk' group; delete article? ")) + (setq result 'junk) + (setq result + (car (nnfolder-save-mail result))))) + (when last + (save-excursion + (nnfolder-possibly-change-folder (or (caar art-group) group)) + (nnfolder-save-buffer) + (when nnmail-cache-accepted-message-ids + (nnmail-cache-close)))) (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) (unless result (nnheader-report 'nnfolder "Couldn't store article")) @@ -451,15 +553,13 @@ If nil, `nnfolder-file-coding-system' is used.") (save-excursion (set-buffer buffer) (goto-char (point-min)) - (let (xfrom) - (while (re-search-forward "^X-From-Line: \\(.*\\)$" nil t) - (setq xfrom (match-string 1)) - (gnus-delete-line)) - (goto-char (point-min)) - (if xfrom - (insert "From " xfrom "\n") - (unless (looking-at "From ") - (insert "From nobody " (current-time-string) "\n")))) + (if (not (looking-at "X-From-Line: ")) + (insert "From nobody " (current-time-string) "\n") + (replace-match "From ") + (forward-line 1) + (while (looking-at "[ \t]") + (delete-char -1) + (forward-line 1))) (nnfolder-normalize-buffer) (set-buffer nnfolder-current-buffer) (goto-char (point-min)) @@ -467,6 +567,15 @@ If nil, `nnfolder-file-coding-system' is used.") nil (nnfolder-delete-mail) (insert-buffer-substring buffer) + (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) + (save-excursion + (set-buffer buffer) + (let ((headers (nnfolder-parse-head article + (point-min) (point-max)))) + (with-current-buffer (nnfolder-open-nov group) + (if (nnheader-find-nov-line article) + (delete-region (point) (progn (forward-line 1) (point)))) + (nnheader-insert-nov headers))))) (nnfolder-save-buffer) t))) @@ -476,8 +585,12 @@ If nil, `nnfolder-file-coding-system' is used.") (if (not force) () ; Don't delete the articles. ;; Delete the file that holds the group. - (ignore-errors - (delete-file (nnfolder-group-pathname group)))) + (let ((data (nnfolder-group-pathname group)) + (nov (nnfolder-group-nov-pathname group)) + (mrk (nnfolder-group-marks-pathname group))) + (ignore-errors (delete-file data)) + (ignore-errors (delete-file nov)) + (ignore-errors (delete-file mrk)))) ;; Remove the group from all structures. (setq nnfolder-group-alist (delq (assoc group nnfolder-group-alist) nnfolder-group-alist) @@ -493,11 +606,17 @@ If nil, `nnfolder-file-coding-system' is used.") (set-buffer nnfolder-current-buffer) (and (file-writable-p buffer-file-name) (ignore-errors - (rename-file - buffer-file-name - (let ((new-file (nnfolder-group-pathname new-name))) - (gnus-make-directory (file-name-directory new-file)) - new-file)) + (let ((new-file (nnfolder-group-pathname new-name))) + (gnus-make-directory (file-name-directory new-file)) + (rename-file buffer-file-name new-file) + (when (file-exists-p (nnfolder-group-nov-pathname group)) + (setq new-file (nnfolder-group-nov-pathname new-name)) + (gnus-make-directory (file-name-directory new-file)) + (rename-file (nnfolder-group-nov-pathname group) new-file)) + (when (file-exists-p (nnfolder-group-marks-pathname group)) + (setq new-file (nnfolder-group-marks-pathname new-name)) + (gnus-make-directory (file-name-directory new-file)) + (rename-file (nnfolder-group-marks-pathname group) new-file))) t) ;; That went ok, so we change the internal structures. (let ((entry (assoc group nnfolder-group-alist))) @@ -510,7 +629,7 @@ If nil, `nnfolder-file-coding-system' is used.") (kill-buffer (current-buffer)) t)))) -(defun nnfolder-request-regenerate (server) +(deffoo nnfolder-request-regenerate (server) (nnfolder-possibly-change-group nil server) (nnfolder-generate-active-file) t) @@ -592,30 +711,26 @@ deleted. Point is left where the deleted region was." (setq nnfolder-current-buffer nil nnfolder-current-group nil)) ;; Change group. - (when (and group - (not (equal group nnfolder-current-group))) - (let ((file-name-coding-system nnmail-pathname-coding-system)) - (nnmail-activate 'nnfolder) - (when (and (not (assoc group nnfolder-group-alist)) - (not (file-exists-p - (nnfolder-group-pathname group)))) - ;; The group doesn't exist, so we create a new entry for it. - (push (list group (cons 1 0)) nnfolder-group-alist) - (nnfolder-save-active nnfolder-group-alist nnfolder-active-file)) - + (let ((file-name-coding-system nnmail-pathname-coding-system)) + (when (and group + (not (equal group nnfolder-current-group)) + (progn + (nnmail-activate 'nnfolder) + (and (assoc group nnfolder-group-alist) + (file-exists-p (nnfolder-group-pathname group))))) (if dont-check (setq nnfolder-current-group group nnfolder-current-buffer nil) (let (inf file) - ;; If we have to change groups, see if we don't already have the - ;; folder in memory. If we do, verify the modtime and destroy - ;; the folder if needed so we can rescan it. + ;; If we have to change groups, see if we don't already have + ;; the folder in memory. If we do, verify the modtime and + ;; destroy the folder if needed so we can rescan it. (setq nnfolder-current-buffer (nth 1 (assoc group nnfolder-buffer-alist))) - ;; If the buffer is not live, make sure it isn't in the alist. If it - ;; is live, verify that nobody else has touched the file since last - ;; time. + ;; If the buffer is not live, make sure it isn't in the + ;; alist. If it is live, verify that nobody else has + ;; touched the file since last time. (when (and nnfolder-current-buffer (not (gnus-buffer-live-p nnfolder-current-buffer))) (setq nnfolder-buffer-alist (delq inf nnfolder-buffer-alist) @@ -684,7 +799,11 @@ deleted. Point is left where the deleted region was." (nnfolder-possibly-change-folder (car group-art)) (let ((buffer-read-only nil)) (nnfolder-normalize-buffer) - (insert-buffer-substring obuf beg end))))) + (insert-buffer-substring obuf beg end)) + (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) + (set-buffer obuf) + (nnfolder-add-nov (car group-art) (cdr group-art) + (nnfolder-parse-head nil beg end)))))) ;; Did we save it anywhere? save-list)) @@ -694,7 +813,8 @@ deleted. Point is left where the deleted region was." (goto-char (point-max)) (skip-chars-backward "\n") (delete-region (point) (point-max)) - (insert "\n\n")) + (unless (bobp) + (insert "\n\n"))) (defun nnfolder-insert-newsgroup-line (group-art) (save-excursion @@ -730,23 +850,25 @@ deleted. Point is left where the deleted region was." (push (list group (nnfolder-read-folder group)) nnfolder-buffer-alist)))) -;; This method has a problem if you've accidentally let the active list get -;; out of sync with the files. This could happen, say, if you've -;; accidentally gotten new mail with something other than Gnus (but why -;; would _that_ ever happen? :-). In that case, we will be in the middle of -;; processing the file, ready to add new X-Gnus article number markers, and -;; we'll run across a message with no ID yet - the active list _may_not_ be -;; ready for us yet. - -;; To handle this, I'm modifying this routine to maintain the maximum ID seen -;; so far, and when we hit a message with no ID, we will _manually_ scan the -;; rest of the message looking for any more, possibly higher IDs. We'll -;; assume the maximum that we find is the highest active. Note that this -;; shouldn't cost us much extra time at all, but will be a lot less -;; vulnerable to glitches between the mbox and the active file. +;; This method has a problem if you've accidentally let the active +;; list get out of sync with the files. This could happen, say, if +;; you've accidentally gotten new mail with something other than Gnus +;; (but why would _that_ ever happen? :-). In that case, we will be +;; in the middle of processing the file, ready to add new X-Gnus +;; article number markers, and we'll run across a message with no ID +;; yet - the active list _may_not_ be ready for us yet. + +;; To handle this, I'm modifying this routine to maintain the maximum +;; ID seen so far, and when we hit a message with no ID, we will +;; _manually_ scan the rest of the message looking for any more, +;; possibly higher IDs. We'll assume the maximum that we find is the +;; highest active. Note that this shouldn't cost us much extra time +;; at all, but will be a lot less vulnerable to glitches between the +;; mbox and the active file. (defun nnfolder-read-folder (group) (let* ((file (nnfolder-group-pathname group)) + (nov (nnfolder-group-nov-pathname group)) (buffer (set-buffer (let ((nnheader-file-coding-system nnfolder-file-coding-system)) @@ -776,51 +898,81 @@ deleted. Point is left where the deleted region was." (scantime (assoc group nnfolder-scantime-alist)) (minid (lsh -1 -1)) maxid start end newscantime + novbuf articles newnum buffer-read-only) (buffer-disable-undo) (setq maxid (cdr active)) + + (unless (or gnus-nov-is-evil nnfolder-nov-is-evil + (and (file-exists-p nov) + (file-newer-than-file-p nov file))) + (unless (file-exists-p nov) + (gnus-make-directory (file-name-directory nov))) + (with-current-buffer + (setq novbuf (nnfolder-open-nov group)) + (goto-char (point-min)) + (while (not (eobp)) + (push (read novbuf) articles) + (forward-line 1)) + (setq articles (nreverse articles)))) (goto-char (point-min)) - ;; Anytime the active number is 1 or 0, it is suspect. In that - ;; case, search the file manually to find the active number. Or, - ;; of course, if we're being paranoid. (This would also be the - ;; place to build other lists from the header markers, such as - ;; expunge lists, etc., if we ever desired to abandon the active - ;; file entirely for mboxes.) + ;; Anytime the active number is 1 or 0, it is suspect. In + ;; that case, search the file manually to find the active + ;; number. Or, of course, if we're being paranoid. (This + ;; would also be the place to build other lists from the + ;; header markers, such as expunge lists, etc., if we ever + ;; desired to abandon the active file entirely for mboxes.) (when (or nnfolder-ignore-active-file + novbuf (< maxid 2)) (while (and (search-forward marker nil t) - (re-search-forward number nil t)) - (let ((newnum (string-to-number (match-string 0)))) - (if (nnmail-within-headers-p) - (setq maxid (max maxid newnum) - minid (min minid newnum))))) + (looking-at number)) + (setq newnum (string-to-number (match-string 0))) + (when (nnmail-within-headers-p) + (setq maxid (max maxid newnum) + minid (min minid newnum)) + (when novbuf + (if (memq newnum articles) + (setq articles (delq newnum articles)) + (let ((headers (nnfolder-parse-head newnum))) + (with-current-buffer novbuf + (nnheader-find-nov-line newnum) + (nnheader-insert-nov headers))))))) + (when (and novbuf articles) + (with-current-buffer novbuf + (dolist (article articles) + (when (nnheader-find-nov-line article) + (delete-region (point) + (progn (forward-line 1) (point))))))) (setcar active (max 1 (min minid maxid))) (setcdr active (max maxid (cdr active))) (goto-char (point-min))) - ;; As long as we trust that the user will only insert unmarked mail - ;; at the end, go to the end and search backwards for the last - ;; marker. Find the start of that message, and begin to search for - ;; unmarked messages from there. + ;; As long as we trust that the user will only insert + ;; unmarked mail at the end, go to the end and search + ;; backwards for the last marker. Find the start of that + ;; message, and begin to search for unmarked messages from + ;; there. (when (not (or nnfolder-distrust-mbox (< maxid 2))) (goto-char (point-max)) (unless (re-search-backward marker nil t) (goto-char (point-min))) - (when (nnmail-search-unix-mail-delim) - (goto-char (point-min)))) + ;;(when (nnmail-search-unix-mail-delim) + ;; (goto-char (point-min))) + ) - ;; Keep track of the active number on our own, and insert it back - ;; into the active list when we're done. Also, prime the pump to - ;; cut down on the number of searches we do. + ;; Keep track of the active number on our own, and insert it + ;; back into the active list when we're done. Also, prime + ;; the pump to cut down on the number of searches we do. (unless (nnmail-search-unix-mail-delim) (goto-char (point-max))) (setq end (point-marker)) (while (not (= end (point-max))) (setq start (marker-position end)) (goto-char end) - ;; There may be more than one "From " line, so we skip past + ;; There may be more than one "From " line, so we skip past ;; them. (while (looking-at delim) (forward-line 1)) @@ -832,18 +984,31 @@ deleted. Point is left where the deleted region was." (narrow-to-region start end) (nnmail-insert-lines) (nnfolder-insert-newsgroup-line - (cons nil (nnfolder-active-number nnfolder-current-group))) + (cons nil + (setq newnum + (nnfolder-active-number group)))) + (when novbuf + (let ((headers (nnfolder-parse-head newnum (point-min) + (point-max)))) + (with-current-buffer novbuf + (goto-char (point-max)) + (nnheader-insert-nov headers)))) (widen))) (set-marker end nil) - ;; Make absolutely sure that the active list reflects reality! + ;; Make absolutely sure that the active list reflects + ;; reality! (nnfolder-save-active nnfolder-group-alist nnfolder-active-file) + ;; Set the scantime for this group. (setq newscantime (visited-file-modtime)) (if scantime (setcdr scantime (list newscantime)) - (push (list nnfolder-current-group newscantime) + (push (list group newscantime) nnfolder-scantime-alist)) + ;; Save nov. + (when novbuf + (nnfolder-save-nov)) (current-buffer)))))) ;;;###autoload @@ -852,23 +1017,33 @@ deleted. Point is left where the deleted region was." This command does not work if you use short group names." (interactive) (nnmail-activate 'nnfolder) + (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) + (dolist (file (directory-files (or nnfolder-nov-directory + nnfolder-directory) + t + (concat + (regexp-quote nnfolder-nov-file-suffix) + "$"))) + (when (not (message-mail-file-mbox-p file)) + (ignore-errors + (delete-file file))))) (let ((files (directory-files nnfolder-directory)) - file) + file) (while (setq file (pop files)) (when (and (not (backup-file-name-p file)) - (message-mail-file-mbox-p + (message-mail-file-mbox-p (nnheader-concat nnfolder-directory file))) - (let ((oldgroup (assoc file nnfolder-group-alist))) - (if oldgroup - (nnheader-message 5 "Refreshing group %s..." file) - (nnheader-message 5 "Adding group %s..." file)) + (let ((oldgroup (assoc file nnfolder-group-alist))) + (if oldgroup + (nnheader-message 5 "Refreshing group %s..." file) + (nnheader-message 5 "Adding group %s..." file)) (if oldgroup (setq nnfolder-group-alist (delq oldgroup (copy-sequence nnfolder-group-alist)))) - (push (list file (cons 1 0)) nnfolder-group-alist) - (nnfolder-possibly-change-folder file) - (nnfolder-possibly-change-group file) - (nnfolder-close-group file)))) + (push (list file (cons 1 0)) nnfolder-group-alist) + (nnfolder-possibly-change-folder file) + (nnfolder-possibly-change-group file) + (nnfolder-close-group file)))) (nnheader-message 5 ""))) (defun nnfolder-group-pathname (group) @@ -883,6 +1058,12 @@ This command does not work if you use short group names." ;; If not, we translate dots into slashes. (concat dir (nnheader-replace-chars-in-string group ?. ?/))))) +(defun nnfolder-group-nov-pathname (group) + "Make pathname for GROUP NOV." + (let ((nnfolder-directory + (or nnfolder-nov-directory nnfolder-directory))) + (concat (nnfolder-group-pathname group) nnfolder-nov-file-suffix))) + (defun nnfolder-save-buffer () "Save the buffer." (when (buffer-modified-p) @@ -891,7 +1072,9 @@ This command does not work if you use short group names." (let ((coding-system-for-write (or nnfolder-file-coding-system-for-write nnfolder-file-coding-system))) - (save-buffer)))) + (save-buffer))) + (unless (or gnus-nov-is-evil nnfolder-nov-is-evil) + (nnfolder-save-nov))) (defun nnfolder-save-active (group-alist active-file) (let ((nnmail-active-file-coding-system @@ -899,6 +1082,194 @@ This command does not work if you use short group names." nnfolder-active-file-coding-system))) (nnmail-save-active group-alist active-file))) +(defun nnfolder-open-nov (group) + (or (cdr (assoc group nnfolder-nov-buffer-alist)) + (let ((buffer (get-buffer-create (format " *nnfolder overview %s*" group)))) + (save-excursion + (set-buffer buffer) + (set (make-local-variable 'nnfolder-nov-buffer-file-name) + (nnfolder-group-nov-pathname group)) + (erase-buffer) + (when (file-exists-p nnfolder-nov-buffer-file-name) + (nnheader-insert-file-contents nnfolder-nov-buffer-file-name))) + (push (cons group buffer) nnfolder-nov-buffer-alist) + buffer))) + +(defun nnfolder-save-nov () + (save-excursion + (while nnfolder-nov-buffer-alist + (when (buffer-name (cdar nnfolder-nov-buffer-alist)) + (set-buffer (cdar nnfolder-nov-buffer-alist)) + (when (buffer-modified-p) + (gnus-make-directory (file-name-directory + nnfolder-nov-buffer-file-name)) + (nnmail-write-region 1 (point-max) nnfolder-nov-buffer-file-name + nil 'nomesg)) + (set-buffer-modified-p nil) + (kill-buffer (current-buffer))) + (setq nnfolder-nov-buffer-alist (cdr nnfolder-nov-buffer-alist))))) + +(defun nnfolder-nov-delete-article (group article) + (save-excursion + (set-buffer (nnfolder-open-nov group)) + (when (nnheader-find-nov-line article) + (delete-region (point) (progn (forward-line 1) (point)))) + t)) + +(defun nnfolder-retrieve-headers-with-nov (articles &optional fetch-old) + (if (or gnus-nov-is-evil nnfolder-nov-is-evil) + nil + (let ((nov (nnfolder-group-nov-pathname nnfolder-current-group))) + (when (file-exists-p nov) + (save-excursion + (set-buffer nntp-server-buffer) + (erase-buffer) + (nnheader-insert-file-contents nov) + (if (and fetch-old + (not (numberp fetch-old))) + t ; Don't remove anything. + (nnheader-nov-delete-outside-range + (if fetch-old (max 1 (- (car articles) fetch-old)) + (car articles)) + (car (last articles))) + t)))))) + +(defun nnfolder-parse-head (&optional number b e) + "Parse the head of the current buffer." + (let ((buf (current-buffer)) + chars) + (save-excursion + (unless b + (setq b (if (nnmail-search-unix-mail-delim-backward) + (point) (point-min))) + (forward-line 1) + (setq e (if (nnmail-search-unix-mail-delim) + (point) (point-max)))) + (setq chars (- e b)) + (unless (zerop chars) + (goto-char b) + (if (search-forward "\n\n" e t) (setq e (1- (point))))) + (with-temp-buffer + (insert-buffer-substring buf b e) + (let ((headers (nnheader-parse-naked-head))) + (mail-header-set-chars headers chars) + (mail-header-set-number headers number) + headers))))) + +(defun nnfolder-add-nov (group article headers) + "Add a nov line for the GROUP base." + (save-excursion + (set-buffer (nnfolder-open-nov group)) + (goto-char (point-max)) + (mail-header-set-number headers article) + (nnheader-insert-nov headers))) + +(deffoo nnfolder-request-set-mark (group actions &optional server) + (when (and server + (not (nnfolder-server-opened server))) + (nnfolder-open-server server)) + (unless nnfolder-marks-is-evil + (nnfolder-open-marks group server) + (dolist (action actions) + (let ((range (nth 0 action)) + (what (nth 1 action)) + (marks (nth 2 action))) + (assert (or (eq what 'add) (eq what 'del)) t + "Unknown request-set-mark action: %s" what) + (dolist (mark marks) + (setq nnfolder-marks (gnus-update-alist-soft + mark + (funcall (if (eq what 'add) 'gnus-range-add + 'gnus-remove-from-range) + (cdr (assoc mark nnfolder-marks)) range) + nnfolder-marks))))) + (nnfolder-save-marks group server)) + nil) + +(deffoo nnfolder-request-update-info (group info &optional server) + ;; Change servers. + (when (and server + (not (nnfolder-server-opened server))) + (nnfolder-open-server server)) + (when (and (not nnfolder-marks-is-evil) (nnfolder-marks-changed-p group)) + (nnheader-message 8 "Updating marks for %s..." group) + (nnfolder-open-marks group server) + ;; Update info using `nnfolder-marks'. + (mapcar (lambda (pred) + (unless (memq (cdr pred) gnus-article-unpropagated-mark-lists) + (gnus-info-set-marks + info + (gnus-update-alist-soft + (cdr pred) + (cdr (assq (cdr pred) nnfolder-marks)) + (gnus-info-marks info)) + t))) + gnus-article-mark-lists) + (let ((seen (cdr (assq 'read nnfolder-marks)))) + (gnus-info-set-read info + (if (and (integerp (car seen)) + (null (cdr seen))) + (list (cons (car seen) (car seen))) + seen))) + (nnheader-message 8 "Updating marks for %s...done" group)) + info) + +(defun nnfolder-group-marks-pathname (group) + "Make pathname for GROUP NOV." + (let ((nnfolder-directory (or nnfolder-marks-directory nnfolder-directory))) + (concat (nnfolder-group-pathname group) nnfolder-marks-file-suffix))) + +(defun nnfolder-marks-changed-p (group) + (let ((file (nnfolder-group-marks-pathname group))) + (if (null (gnus-gethash file nnfolder-marks-modtime)) + t ;; never looked at marks file, assume it has changed + (not (equal (gnus-gethash file nnfolder-marks-modtime) + (nth 5 (file-attributes file))))))) + +(defun nnfolder-save-marks (group server) + (let ((file-name-coding-system nnmail-pathname-coding-system) + (file (nnfolder-group-marks-pathname group))) + (condition-case err + (progn + (with-temp-file file + (erase-buffer) + (gnus-prin1 nnfolder-marks) + (insert "\n")) + (gnus-sethash file + (nth 5 (file-attributes file)) + nnfolder-marks-modtime)) + (error (or (gnus-yes-or-no-p + (format "Could not write to %s (%s). Continue? " file err)) + (error "Cannot write to %s (%s)" err)))))) + +(defun nnfolder-open-marks (group server) + (let ((file (nnfolder-group-marks-pathname group))) + (if (file-exists-p file) + (condition-case err + (with-temp-buffer + (gnus-sethash file (nth 5 (file-attributes file)) + nnfolder-marks-modtime) + (nnheader-insert-file-contents file) + (setq nnfolder-marks (read (current-buffer))) + (dolist (el gnus-article-unpropagated-mark-lists) + (setq nnfolder-marks (gnus-remassoc el nnfolder-marks)))) + (error (or (gnus-yes-or-no-p + (format "Error reading nnfolder marks file %s (%s). Continuing will use marks from .newsrc.eld. Continue? " file err)) + (error "Cannot read nnfolder marks file %s (%s)" file err)))) + ;; User didn't have a .marks file. Probably first time + ;; user of the .marks stuff. Bootstrap it from .newsrc.eld. + (let ((info (gnus-get-info + (gnus-group-prefixed-name + group + (gnus-server-to-method (format "nnfolder:%s" server)))))) + (nnheader-message 7 "Bootstrapping marks for %s..." group) + (setq nnfolder-marks (gnus-info-marks info)) + (push (cons 'read (gnus-info-read info)) nnfolder-marks) + (dolist (el gnus-article-unpropagated-mark-lists) + (setq nnfolder-marks (gnus-remassoc el nnfolder-marks))) + (nnfolder-save-marks group server) + (nnheader-message 7 "Bootstrapping marks for %s...done" group))))) + (provide 'nnfolder) ;;; arch-tag: a040d0f4-4f4e-445f-8972-839575c5f7e6 |