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[Emacs-diffs] Changes to emacs/lisp/gnus/nnml.el [gnus-5_10-branch]
From: |
Andreas Schwab |
Subject: |
[Emacs-diffs] Changes to emacs/lisp/gnus/nnml.el [gnus-5_10-branch] |
Date: |
Thu, 22 Jul 2004 13:12:41 -0400 |
Index: emacs/lisp/gnus/nnml.el
diff -c /dev/null emacs/lisp/gnus/nnml.el:1.11.2.1
*** /dev/null Thu Jul 22 16:47:15 2004
--- emacs/lisp/gnus/nnml.el Thu Jul 22 16:45:51 2004
***************
*** 0 ****
--- 1,1022 ----
+ ;;; nnml.el --- mail spool access for Gnus
+ ;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2003
+ ;; Free Software Foundation, Inc.
+
+ ;; Author: Simon Josefsson <address@hidden> (adding MARKS)
+ ;; Lars Magne Ingebrigtsen <address@hidden>
+ ;; Masanobu UMEDA <address@hidden>
+ ;; Keywords: news, mail
+
+ ;; This file is part of GNU Emacs.
+
+ ;; GNU Emacs is free software; you can redistribute it and/or modify
+ ;; it under the terms of the GNU General Public License as published by
+ ;; the Free Software Foundation; either version 2, or (at your option)
+ ;; any later version.
+
+ ;; GNU Emacs is distributed in the hope that it will be useful,
+ ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+ ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ ;; 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, Inc., 59 Temple Place - Suite 330,
+ ;; Boston, MA 02111-1307, USA.
+
+ ;;; Commentary:
+
+ ;; Based on nnspool.el by Masanobu UMEDA <address@hidden>.
+ ;; For an overview of what the interface functions do, please see the
+ ;; Gnus sources.
+
+ ;;; Code:
+
+ (require 'gnus)
+ (require 'nnheader)
+ (require 'nnmail)
+ (require 'nnoo)
+ (eval-when-compile (require 'cl))
+
+ (eval-and-compile
+ (autoload 'gnus-article-unpropagatable-p "gnus-sum"))
+
+ (nnoo-declare nnml)
+
+ (defvoo nnml-directory message-directory
+ "Spool directory for the nnml mail backend.")
+
+ (defvoo nnml-active-file
+ (expand-file-name "active" nnml-directory)
+ "Mail active file.")
+
+ (defvoo nnml-newsgroups-file
+ (expand-file-name "newsgroups" nnml-directory)
+ "Mail newsgroups description file.")
+
+ (defvoo nnml-get-new-mail t
+ "If non-nil, nnml will check the incoming mail file and split the mail.")
+
+ (defvoo nnml-nov-is-evil nil
+ "If non-nil, Gnus will never generate and use nov databases for mail spools.
+ 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 `nnml-generate-nov-databases' command. The function will go
+ through all nnml directories and generate nov databases for them
+ all. This may very well take some time.")
+
+ (defvoo nnml-marks-is-evil nil
+ "If non-nil, Gnus will never generate and use marks file for mail spools.
+ 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 named `.marks' in the nnml group
+ directory, but see `nnml-marks-file-name') for the group. Then the
+ marks file will be regenerated properly by Gnus.")
+
+ (defvoo nnml-prepare-save-mail-hook nil
+ "Hook run narrowed to an article before saving.")
+
+ (defvoo nnml-inhibit-expiry nil
+ "If non-nil, inhibit expiry.")
+
+ (defvoo nnml-use-compressed-files nil
+ "If non-nil, allow using compressed message files.")
+
+
+
+ (defconst nnml-version "nnml 1.0"
+ "nnml version.")
+
+ (defvoo nnml-nov-file-name ".overview")
+ (defvoo nnml-marks-file-name ".marks")
+
+ (defvoo nnml-current-directory nil)
+ (defvoo nnml-current-group nil)
+ (defvoo nnml-status-string "")
+ (defvoo nnml-nov-buffer-alist nil)
+ (defvoo nnml-group-alist nil)
+ (defvoo nnml-active-timestamp nil)
+ (defvoo nnml-article-file-alist nil)
+
+ (defvoo nnml-generate-active-function 'nnml-generate-active-info)
+
+ (defvar nnml-nov-buffer-file-name nil)
+
+ (defvoo nnml-file-coding-system nnmail-file-coding-system)
+
+ (defvoo nnml-marks nil)
+
+ (defvar nnml-marks-modtime (gnus-make-hashtable))
+
+
+ ;;; Interface functions.
+
+ (nnoo-define-basics nnml)
+
+ (deffoo nnml-retrieve-headers (sequence &optional group server fetch-old)
+ (when (nnml-possibly-change-directory group server)
+ (save-excursion
+ (set-buffer nntp-server-buffer)
+ (erase-buffer)
+ (let* ((file nil)
+ (number (length sequence))
+ (count 0)
+ (file-name-coding-system nnmail-pathname-coding-system)
+ beg article)
+ (if (stringp (car sequence))
+ 'headers
+ (if (nnml-retrieve-headers-with-nov sequence fetch-old)
+ 'nov
+ (while sequence
+ (setq article (car sequence))
+ (setq file (nnml-article-to-file article))
+ (when (and file
+ (file-exists-p file)
+ (not (file-directory-p file)))
+ (insert (format "221 %d Article retrieved.\n" article))
+ (setq beg (point))
+ (nnheader-insert-head file)
+ (goto-char beg)
+ (if (re-search-forward "\n\r?\n" nil t)
+ (forward-char -1)
+ (goto-char (point-max))
+ (insert "\n\n"))
+ (insert ".\n")
+ (delete-region (point) (point-max)))
+ (setq sequence (cdr sequence))
+ (setq count (1+ count))
+ (and (numberp nnmail-large-newsgroup)
+ (> number nnmail-large-newsgroup)
+ (zerop (% count 20))
+ (nnheader-message 6 "nnml: Receiving headers... %d%%"
+ (/ (* count 100) number))))
+
+ (and (numberp nnmail-large-newsgroup)
+ (> number nnmail-large-newsgroup)
+ (nnheader-message 6 "nnml: Receiving headers...done"))
+
+ (nnheader-fold-continuation-lines)
+ 'headers))))))
+
+ (deffoo nnml-open-server (server &optional defs)
+ (nnoo-change-server 'nnml server defs)
+ (when (not (file-exists-p nnml-directory))
+ (ignore-errors (make-directory nnml-directory t)))
+ (cond
+ ((not (file-exists-p nnml-directory))
+ (nnml-close-server)
+ (nnheader-report 'nnml "Couldn't create directory: %s" nnml-directory))
+ ((not (file-directory-p (file-truename nnml-directory)))
+ (nnml-close-server)
+ (nnheader-report 'nnml "Not a directory: %s" nnml-directory))
+ (t
+ (nnheader-report 'nnml "Opened server %s using directory %s"
+ server nnml-directory)
+ t)))
+
+ (deffoo nnml-request-regenerate (server)
+ (nnml-possibly-change-directory nil server)
+ (nnml-generate-nov-databases server)
+ t)
+
+ (deffoo nnml-request-article (id &optional group server buffer)
+ (nnml-possibly-change-directory group server)
+ (let* ((nntp-server-buffer (or buffer nntp-server-buffer))
+ (file-name-coding-system nnmail-pathname-coding-system)
+ path gpath group-num)
+ (if (stringp id)
+ (when (and (setq group-num (nnml-find-group-number id))
+ (cdr
+ (assq (cdr group-num)
+ (nnheader-article-to-file-alist
+ (setq gpath
+ (nnmail-group-pathname
+ (car group-num)
+ nnml-directory))))))
+ (setq path (concat gpath (int-to-string (cdr group-num)))))
+ (setq path (nnml-article-to-file id)))
+ (cond
+ ((not path)
+ (nnheader-report 'nnml "No such article: %s" id))
+ ((not (file-exists-p path))
+ (nnheader-report 'nnml "No such file: %s" path))
+ ((file-directory-p path)
+ (nnheader-report 'nnml "File is a directory: %s" path))
+ ((not (save-excursion (let ((nnmail-file-coding-system
+ nnml-file-coding-system))
+ (nnmail-find-file path))))
+ (nnheader-report 'nnml "Couldn't read file: %s" path))
+ (t
+ (nnheader-report 'nnml "Article %s retrieved" id)
+ ;; We return the article number.
+ (cons (if group-num (car group-num) group)
+ (string-to-int (file-name-nondirectory path)))))))
+
+ (deffoo nnml-request-group (group &optional server dont-check)
+ (let ((file-name-coding-system nnmail-pathname-coding-system))
+ (cond
+ ((not (nnml-possibly-change-directory group server))
+ (nnheader-report 'nnml "Invalid group (no such directory)"))
+ ((not (file-exists-p nnml-current-directory))
+ (nnheader-report 'nnml "Directory %s does not exist"
+ nnml-current-directory))
+ ((not (file-directory-p nnml-current-directory))
+ (nnheader-report 'nnml "%s is not a directory" nnml-current-directory))
+ (dont-check
+ (nnheader-report 'nnml "Group %s selected" group)
+ t)
+ (t
+ (nnheader-re-read-dir nnml-current-directory)
+ (nnmail-activate 'nnml)
+ (let ((active (nth 1 (assoc group nnml-group-alist))))
+ (if (not active)
+ (nnheader-report 'nnml "No such group: %s" group)
+ (nnheader-report 'nnml "Selected group %s" group)
+ (nnheader-insert "211 %d %d %d %s\n"
+ (max (1+ (- (cdr active) (car active))) 0)
+ (car active) (cdr active) group)))))))
+
+ (deffoo nnml-request-scan (&optional group server)
+ (setq nnml-article-file-alist nil)
+ (nnml-possibly-change-directory group server)
+ (nnmail-get-new-mail 'nnml 'nnml-save-nov nnml-directory group))
+
+ (deffoo nnml-close-group (group &optional server)
+ (setq nnml-article-file-alist nil)
+ t)
+
+ (deffoo nnml-request-create-group (group &optional server args)
+ (nnml-possibly-change-directory nil server)
+ (nnmail-activate 'nnml)
+ (cond
+ ((assoc group nnml-group-alist)
+ t)
+ ((and (file-exists-p (nnmail-group-pathname group nnml-directory))
+ (not (file-directory-p (nnmail-group-pathname group nnml-directory))))
+ (nnheader-report 'nnml "%s is a file"
+ (nnmail-group-pathname group nnml-directory)))
+ (t
+ (let (active)
+ (push (list group (setq active (cons 1 0)))
+ nnml-group-alist)
+ (nnml-possibly-create-directory group)
+ (nnml-possibly-change-directory group server)
+ (let ((articles (nnml-directory-articles nnml-current-directory)))
+ (when articles
+ (setcar active (apply 'min articles))
+ (setcdr active (apply 'max articles))))
+ (nnmail-save-active nnml-group-alist nnml-active-file)
+ t))))
+
+ (deffoo nnml-request-list (&optional server)
+ (save-excursion
+ (let ((nnmail-file-coding-system nnmail-active-file-coding-system)
+ (file-name-coding-system nnmail-pathname-coding-system))
+ (nnmail-find-file nnml-active-file))
+ (setq nnml-group-alist (nnmail-get-active))
+ t))
+
+ (deffoo nnml-request-newgroups (date &optional server)
+ (nnml-request-list server))
+
+ (deffoo nnml-request-list-newsgroups (&optional server)
+ (save-excursion
+ (nnmail-find-file nnml-newsgroups-file)))
+
+ (deffoo nnml-request-expire-articles (articles group &optional server force)
+ (nnml-possibly-change-directory group server)
+ (let ((active-articles
+ (nnml-directory-articles nnml-current-directory))
+ (is-old t)
+ article rest mod-time number)
+ (nnmail-activate 'nnml)
+
+ (setq active-articles (sort active-articles '<))
+ ;; Articles not listed in active-articles are already gone,
+ ;; so don't try to expire them.
+ (setq articles (gnus-sorted-intersection articles active-articles))
+
+ (while (and articles is-old)
+ (if (and (setq article (nnml-article-to-file
+ (setq number (pop articles))))
+ (setq mod-time (nth 5 (file-attributes article)))
+ (nnml-deletable-article-p group number)
+ (setq is-old (nnmail-expired-article-p group mod-time force
+ nnml-inhibit-expiry)))
+ (progn
+ ;; Allow a special target group.
+ (unless (eq nnmail-expiry-target 'delete)
+ (with-temp-buffer
+ (nnml-request-article number group server (current-buffer))
+ (let (nnml-current-directory
+ nnml-current-group
+ nnml-article-file-alist)
+ (nnmail-expiry-target-group nnmail-expiry-target group)))
+ ;; Maybe directory is changed during nnmail-expiry-target-group.
+ (nnml-possibly-change-directory group server))
+ (nnheader-message 5 "Deleting article %s in %s"
+ number group)
+ (condition-case ()
+ (funcall nnmail-delete-file-function article)
+ (file-error
+ (push number rest)))
+ (setq active-articles (delq number active-articles))
+ (nnml-nov-delete-article group number))
+ (push number rest)))
+ (let ((active (nth 1 (assoc group nnml-group-alist))))
+ (when active
+ (setcar active (or (and active-articles
+ (apply 'min active-articles))
+ (1+ (cdr active)))))
+ (nnmail-save-active nnml-group-alist nnml-active-file))
+ (nnml-save-nov)
+ (nconc rest articles)))
+
+ (deffoo nnml-request-move-article
+ (article group server accept-form &optional last)
+ (let ((buf (get-buffer-create " *nnml move*"))
+ result)
+ (nnml-possibly-change-directory group server)
+ (nnml-update-file-alist)
+ (and
+ (nnml-deletable-article-p group article)
+ (nnml-request-article article group server)
+ (let (nnml-current-directory
+ nnml-current-group
+ nnml-article-file-alist)
+ (save-excursion
+ (set-buffer buf)
+ (insert-buffer-substring nntp-server-buffer)
+ (setq result (eval accept-form))
+ (kill-buffer (current-buffer))
+ result))
+ (progn
+ (nnml-possibly-change-directory group server)
+ (condition-case ()
+ (funcall nnmail-delete-file-function
+ (nnml-article-to-file article))
+ (file-error nil))
+ (nnml-nov-delete-article group article)
+ (when last
+ (nnml-save-nov)
+ (nnmail-save-active nnml-group-alist nnml-active-file))))
+ result))
+
+ (deffoo nnml-request-accept-article (group &optional server last)
+ (nnml-possibly-change-directory group server)
+ (nnmail-check-syntax)
+ (let (result)
+ (when nnmail-cache-accepted-message-ids
+ (nnmail-cache-insert (nnmail-fetch-field "message-id")
+ group
+ (nnmail-fetch-field "subject")
+ (nnmail-fetch-field "from")))
+ (if (stringp group)
+ (and
+ (nnmail-activate 'nnml)
+ (setq result (car (nnml-save-mail
+ (list (cons group (nnml-active-number group))))))
+ (progn
+ (nnmail-save-active nnml-group-alist nnml-active-file)
+ (and last (nnml-save-nov))))
+ (and
+ (nnmail-activate 'nnml)
+ (if (and (not (setq result (nnmail-article-group 'nnml-active-number)))
+ (yes-or-no-p "Moved to `junk' group; delete article? "))
+ (setq result 'junk)
+ (setq result (car (nnml-save-mail result))))
+ (when last
+ (nnmail-save-active nnml-group-alist nnml-active-file)
+ (when nnmail-cache-accepted-message-ids
+ (nnmail-cache-close))
+ (nnml-save-nov))))
+ result))
+
+ (deffoo nnml-request-post (&optional server)
+ (nnmail-do-request-post 'nnml-request-accept-article server))
+
+ (deffoo nnml-request-replace-article (article group buffer)
+ (nnml-possibly-change-directory group)
+ (save-excursion
+ (set-buffer buffer)
+ (nnml-possibly-create-directory group)
+ (let ((chars (nnmail-insert-lines))
+ (art (concat (int-to-string article) "\t"))
+ headers)
+ (when (ignore-errors
+ (nnmail-write-region
+ (point-min) (point-max)
+ (or (nnml-article-to-file article)
+ (expand-file-name (int-to-string article)
+ nnml-current-directory))
+ nil (if (nnheader-be-verbose 5) nil 'nomesg))
+ t)
+ (setq headers (nnml-parse-head chars article))
+ ;; Replace the NOV line in the NOV file.
+ (save-excursion
+ (set-buffer (nnml-open-nov group))
+ (goto-char (point-min))
+ (if (or (looking-at art)
+ (search-forward (concat "\n" art) nil t))
+ ;; Delete the old NOV line.
+ (gnus-delete-line)
+ ;; The line isn't here, so we have to find out where
+ ;; we should insert it. (This situation should never
+ ;; occur, but one likes to make sure...)
+ (while (and (looking-at "[0-9]+\t")
+ (< (string-to-int
+ (buffer-substring
+ (match-beginning 0) (match-end 0)))
+ article)
+ (zerop (forward-line 1)))))
+ (beginning-of-line)
+ (nnheader-insert-nov headers)
+ (nnml-save-nov)
+ t)))))
+
+ (deffoo nnml-request-delete-group (group &optional force server)
+ (nnml-possibly-change-directory group server)
+ (when force
+ ;; Delete all articles in GROUP.
+ (let ((articles
+ (directory-files
+ nnml-current-directory t
+ (concat nnheader-numerical-short-files
+ "\\|" (regexp-quote nnml-nov-file-name) "$"
+ "\\|" (regexp-quote nnml-marks-file-name) "$")))
+ article)
+ (while articles
+ (setq article (pop articles))
+ (when (file-writable-p article)
+ (nnheader-message 5 "Deleting article %s in %s..." article group)
+ (funcall nnmail-delete-file-function article))))
+ ;; Try to delete the directory itself.
+ (ignore-errors (delete-directory nnml-current-directory)))
+ ;; Remove the group from all structures.
+ (setq nnml-group-alist
+ (delq (assoc group nnml-group-alist) nnml-group-alist)
+ nnml-current-group nil
+ nnml-current-directory nil)
+ ;; Save the active file.
+ (nnmail-save-active nnml-group-alist nnml-active-file)
+ t)
+
+ (deffoo nnml-request-rename-group (group new-name &optional server)
+ (nnml-possibly-change-directory group server)
+ (let ((new-dir (nnmail-group-pathname new-name nnml-directory))
+ (old-dir (nnmail-group-pathname group nnml-directory)))
+ (when (ignore-errors
+ (make-directory new-dir t)
+ t)
+ ;; We move the articles file by file instead of renaming
+ ;; the directory -- there may be subgroups in this group.
+ ;; One might be more clever, I guess.
+ (let ((files (nnheader-article-to-file-alist old-dir)))
+ (while files
+ (rename-file
+ (concat old-dir (cdar files))
+ (concat new-dir (cdar files)))
+ (pop files)))
+ ;; Move .overview file.
+ (let ((overview (concat old-dir nnml-nov-file-name)))
+ (when (file-exists-p overview)
+ (rename-file overview (concat new-dir nnml-nov-file-name))))
+ ;; Move .marks file.
+ (let ((marks (concat old-dir nnml-marks-file-name)))
+ (when (file-exists-p marks)
+ (rename-file marks (concat new-dir nnml-marks-file-name))))
+ (when (<= (length (directory-files old-dir)) 2)
+ (ignore-errors (delete-directory old-dir)))
+ ;; That went ok, so we change the internal structures.
+ (let ((entry (assoc group nnml-group-alist)))
+ (when entry
+ (setcar entry new-name))
+ (setq nnml-current-directory nil
+ nnml-current-group nil)
+ ;; Save the new group alist.
+ (nnmail-save-active nnml-group-alist nnml-active-file)
+ t))))
+
+ (deffoo nnml-set-status (article name value &optional group server)
+ (nnml-possibly-change-directory group server)
+ (let ((file (nnml-article-to-file article)))
+ (cond
+ ((not (file-exists-p file))
+ (nnheader-report 'nnml "File %s does not exist" file))
+ (t
+ (with-temp-file file
+ (nnheader-insert-file-contents file)
+ (nnmail-replace-status name value))
+ t))))
+
+
+ ;;; Internal functions.
+
+ (defun nnml-article-to-file (article)
+ (nnml-update-file-alist)
+ (let (file)
+ (if (setq file
+ (if nnml-use-compressed-files
+ (cdr (assq article nnml-article-file-alist))
+ (number-to-string article)))
+ (expand-file-name file nnml-current-directory)
+ (when (not nnheader-directory-files-is-safe)
+ ;; Just to make sure nothing went wrong when reading over NFS --
+ ;; check once more.
+ (when (file-exists-p
+ (setq file (expand-file-name (number-to-string article)
+ nnml-current-directory)))
+ (nnml-update-file-alist t)
+ file)))))
+
+ (defun nnml-deletable-article-p (group article)
+ "Say whether ARTICLE in GROUP can be deleted."
+ (let (path)
+ (when (setq path (nnml-article-to-file article))
+ (when (file-writable-p path)
+ (or (not nnmail-keep-last-article)
+ (not (eq (cdr (nth 1 (assoc group nnml-group-alist)))
+ article)))))))
+
+ ;; Find an article number in the current group given the Message-ID.
+ (defun nnml-find-group-number (id)
+ (save-excursion
+ (set-buffer (get-buffer-create " *nnml id*"))
+ (let ((alist nnml-group-alist)
+ number)
+ ;; We want to look through all .overview files, but we want to
+ ;; start with the one in the current directory. It seems most
+ ;; likely that the article we are looking for is in that group.
+ (if (setq number (nnml-find-id nnml-current-group id))
+ (cons nnml-current-group number)
+ ;; It wasn't there, so we look through the other groups as well.
+ (while (and (not number)
+ alist)
+ (or (string= (caar alist) nnml-current-group)
+ (setq number (nnml-find-id (caar alist) id)))
+ (or number
+ (setq alist (cdr alist))))
+ (and number
+ (cons (caar alist) number))))))
+
+ (defun nnml-find-id (group id)
+ (erase-buffer)
+ (let ((nov (expand-file-name nnml-nov-file-name
+ (nnmail-group-pathname group nnml-directory)))
+ number found)
+ (when (file-exists-p nov)
+ (nnheader-insert-file-contents nov)
+ (while (and (not found)
+ (search-forward id nil t)) ; We find the ID.
+ ;; And the id is in the fourth field.
+ (if (not (and (search-backward "\t" nil t 4)
+ (not (search-backward"\t" (gnus-point-at-bol) t))))
+ (forward-line 1)
+ (beginning-of-line)
+ (setq found t)
+ ;; We return the article number.
+ (setq number
+ (ignore-errors (read (current-buffer))))))
+ number)))
+
+ (defun nnml-retrieve-headers-with-nov (articles &optional fetch-old)
+ (if (or gnus-nov-is-evil nnml-nov-is-evil)
+ nil
+ (let ((nov (expand-file-name nnml-nov-file-name nnml-current-directory)))
+ (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 nnml-possibly-change-directory (group &optional server)
+ (when (and server
+ (not (nnml-server-opened server)))
+ (nnml-open-server server))
+ (if (not group)
+ t
+ (let ((pathname (nnmail-group-pathname group nnml-directory))
+ (file-name-coding-system nnmail-pathname-coding-system))
+ (when (not (equal pathname nnml-current-directory))
+ (setq nnml-current-directory pathname
+ nnml-current-group group
+ nnml-article-file-alist nil))
+ (file-exists-p nnml-current-directory))))
+
+ (defun nnml-possibly-create-directory (group)
+ (let ((dir (nnmail-group-pathname group nnml-directory)))
+ (unless (file-exists-p dir)
+ (make-directory (directory-file-name dir) t)
+ (nnheader-message 5 "Creating mail directory %s" dir))))
+
+ (defun nnml-save-mail (group-art)
+ "Called narrowed to an article."
+ (let (chars headers extension)
+ (setq chars (nnmail-insert-lines))
+ (setq extension
+ (and nnml-use-compressed-files
+ (> chars 1000)
+ ".gz"))
+ (nnmail-insert-xref group-art)
+ (run-hooks 'nnmail-prepare-save-mail-hook)
+ (run-hooks 'nnml-prepare-save-mail-hook)
+ (goto-char (point-min))
+ (while (looking-at "From ")
+ (replace-match "X-From-Line: ")
+ (forward-line 1))
+ ;; We save the article in all the groups it belongs in.
+ (let ((ga group-art)
+ first)
+ (while ga
+ (nnml-possibly-create-directory (caar ga))
+ (let ((file (concat (nnmail-group-pathname
+ (caar ga) nnml-directory)
+ (int-to-string (cdar ga))
+ extension)))
+ (if first
+ ;; It was already saved, so we just make a hard link.
+ (funcall nnmail-crosspost-link-function first file t)
+ ;; Save the article.
+ (nnmail-write-region (point-min) (point-max) file nil
+ (if (nnheader-be-verbose 5) nil 'nomesg))
+ (setq first file)))
+ (setq ga (cdr ga))))
+ ;; Generate a nov line for this article. We generate the nov
+ ;; line after saving, because nov generation destroys the
+ ;; header.
+ (setq headers (nnml-parse-head chars))
+ ;; Output the nov line to all nov databases that should have it.
+ (let ((ga group-art))
+ (while ga
+ (nnml-add-nov (caar ga) (cdar ga) headers)
+ (setq ga (cdr ga))))
+ group-art))
+
+ (defun nnml-active-number (group)
+ "Compute the next article number in GROUP."
+ (let ((active (cadr (assoc group nnml-group-alist))))
+ ;; The group wasn't known to nnml, so we just create an active
+ ;; entry for it.
+ (unless active
+ ;; Perhaps the active file was corrupt? See whether
+ ;; there are any articles in this group.
+ (nnml-possibly-create-directory group)
+ (nnml-possibly-change-directory group)
+ (unless nnml-article-file-alist
+ (setq nnml-article-file-alist
+ (sort
+ (nnml-current-group-article-to-file-alist)
+ 'car-less-than-car)))
+ (setq active
+ (if nnml-article-file-alist
+ (cons (caar nnml-article-file-alist)
+ (caar (last nnml-article-file-alist)))
+ (cons 1 0)))
+ (push (list group active) nnml-group-alist))
+ (setcdr active (1+ (cdr active)))
+ (while (file-exists-p
+ (expand-file-name (int-to-string (cdr active))
+ (nnmail-group-pathname group nnml-directory)))
+ (setcdr active (1+ (cdr active))))
+ (cdr active)))
+
+ (defun nnml-add-nov (group article headers)
+ "Add a nov line for the GROUP base."
+ (save-excursion
+ (set-buffer (nnml-open-nov group))
+ (goto-char (point-max))
+ (mail-header-set-number headers article)
+ (nnheader-insert-nov headers)))
+
+ (defsubst nnml-header-value ()
+ (buffer-substring (match-end 0) (gnus-point-at-eol)))
+
+ (defun nnml-parse-head (chars &optional number)
+ "Parse the head of the current buffer."
+ (save-excursion
+ (save-restriction
+ (unless (zerop (buffer-size))
+ (narrow-to-region
+ (goto-char (point-min))
+ (if (re-search-forward "\n\r?\n" nil t)
+ (1- (point))
+ (point-max))))
+ (let ((headers (nnheader-parse-naked-head)))
+ (mail-header-set-chars headers chars)
+ (mail-header-set-number headers number)
+ headers))))
+
+ (defun nnml-get-nov-buffer (group)
+ (let ((buffer (get-buffer-create (format " *nnml overview %s*" group))))
+ (save-excursion
+ (set-buffer buffer)
+ (set (make-local-variable 'nnml-nov-buffer-file-name)
+ (expand-file-name
+ nnml-nov-file-name
+ (nnmail-group-pathname group nnml-directory)))
+ (erase-buffer)
+ (when (file-exists-p nnml-nov-buffer-file-name)
+ (nnheader-insert-file-contents nnml-nov-buffer-file-name)))
+ buffer))
+
+ (defun nnml-open-nov (group)
+ (or (cdr (assoc group nnml-nov-buffer-alist))
+ (let ((buffer (nnml-get-nov-buffer group)))
+ (push (cons group buffer) nnml-nov-buffer-alist)
+ buffer)))
+
+ (defun nnml-save-nov ()
+ (save-excursion
+ (while nnml-nov-buffer-alist
+ (when (buffer-name (cdar nnml-nov-buffer-alist))
+ (set-buffer (cdar nnml-nov-buffer-alist))
+ (when (buffer-modified-p)
+ (nnmail-write-region (point-min) (point-max)
+ nnml-nov-buffer-file-name nil 'nomesg))
+ (set-buffer-modified-p nil)
+ (kill-buffer (current-buffer)))
+ (setq nnml-nov-buffer-alist (cdr nnml-nov-buffer-alist)))))
+
+ ;;;###autoload
+ (defun nnml-generate-nov-databases (&optional server)
+ "Generate NOV databases in all nnml directories."
+ (interactive (list (or (nnoo-current-server 'nnml) "")))
+ ;; Read the active file to make sure we don't re-use articles
+ ;; numbers in empty groups.
+ (nnmail-activate 'nnml)
+ (unless (nnml-server-opened server)
+ (nnml-open-server server))
+ (setq nnml-directory (expand-file-name nnml-directory))
+ ;; Recurse down the directories.
+ (nnml-generate-nov-databases-1 nnml-directory nil t)
+ ;; Save the active file.
+ (nnmail-save-active nnml-group-alist nnml-active-file))
+
+ (defun nnml-generate-nov-databases-1 (dir &optional seen no-active)
+ "Regenerate the NOV database in DIR."
+ (interactive "DRegenerate NOV in: ")
+ (setq dir (file-name-as-directory dir))
+ ;; Only scan this sub-tree if we haven't been here yet.
+ (unless (member (file-truename dir) seen)
+ (push (file-truename dir) seen)
+ ;; We descend recursively
+ (let ((dirs (directory-files dir t nil t))
+ dir)
+ (while (setq dir (pop dirs))
+ (when (and (not (string-match "^\\." (file-name-nondirectory dir)))
+ (file-directory-p dir))
+ (nnml-generate-nov-databases-1 dir seen))))
+ ;; Do this directory.
+ (let ((files (sort (nnheader-article-to-file-alist dir)
+ 'car-less-than-car)))
+ (if (not files)
+ (let* ((group (nnheader-file-to-group
+ (directory-file-name dir) nnml-directory))
+ (info (cadr (assoc group nnml-group-alist))))
+ (when info
+ (setcar info (1+ (cdr info)))))
+ (funcall nnml-generate-active-function dir)
+ ;; Generate the nov file.
+ (nnml-generate-nov-file dir files)
+ (unless no-active
+ (nnmail-save-active nnml-group-alist nnml-active-file))))))
+
+ (eval-when-compile (defvar files))
+ (defun nnml-generate-active-info (dir)
+ ;; Update the active info for this group.
+ (let* ((group (nnheader-file-to-group
+ (directory-file-name dir) nnml-directory))
+ (entry (assoc group nnml-group-alist))
+ (last (or (caadr entry) 0)))
+ (setq nnml-group-alist (delq entry nnml-group-alist))
+ (push (list group
+ (cons (or (caar files) (1+ last))
+ (max last
+ (or (let ((f files))
+ (while (cdr f) (setq f (cdr f)))
+ (caar f))
+ 0))))
+ nnml-group-alist)))
+
+ (defun nnml-generate-nov-file (dir files)
+ (let* ((dir (file-name-as-directory dir))
+ (nov (concat dir nnml-nov-file-name))
+ (nov-buffer (get-buffer-create " *nov*"))
+ chars file headers)
+ (save-excursion
+ ;; Init the nov buffer.
+ (set-buffer nov-buffer)
+ (buffer-disable-undo)
+ (erase-buffer)
+ (set-buffer nntp-server-buffer)
+ ;; Delete the old NOV file.
+ (when (file-exists-p nov)
+ (funcall nnmail-delete-file-function nov))
+ (while files
+ (unless (file-directory-p (setq file (concat dir (cdar files))))
+ (erase-buffer)
+ (nnheader-insert-file-contents file)
+ (narrow-to-region
+ (goto-char (point-min))
+ (progn
+ (re-search-forward "\n\r?\n" nil t)
+ (setq chars (- (point-max) (point)))
+ (max (point-min) (1- (point)))))
+ (unless (zerop (buffer-size))
+ (goto-char (point-min))
+ (setq headers (nnml-parse-head chars (caar files)))
+ (save-excursion
+ (set-buffer nov-buffer)
+ (goto-char (point-max))
+ (nnheader-insert-nov headers)))
+ (widen))
+ (setq files (cdr files)))
+ (save-excursion
+ (set-buffer nov-buffer)
+ (nnmail-write-region (point-min) (point-max) nov nil 'nomesg)
+ (kill-buffer (current-buffer))))))
+
+ (defun nnml-nov-delete-article (group article)
+ (save-excursion
+ (set-buffer (nnml-open-nov group))
+ (when (nnheader-find-nov-line article)
+ (delete-region (point) (progn (forward-line 1) (point)))
+ (when (bobp)
+ (let ((active (cadr (assoc group nnml-group-alist)))
+ num)
+ (when active
+ (if (eobp)
+ (setf (car active) (1+ (cdr active)))
+ (when (and (setq num (ignore-errors (read (current-buffer))))
+ (numberp num))
+ (setf (car active) num)))))))
+ t))
+
+ (defun nnml-update-file-alist (&optional force)
+ (when nnml-use-compressed-files
+ (when (or (not nnml-article-file-alist)
+ force)
+ (setq nnml-article-file-alist
+ (nnml-current-group-article-to-file-alist)))))
+
+ (defun nnml-directory-articles (dir)
+ "Return a list of all article files in a directory.
+ Use the nov database for that directory if available."
+ (if (or gnus-nov-is-evil nnml-nov-is-evil
+ (not (file-exists-p
+ (expand-file-name nnml-nov-file-name dir))))
+ (nnheader-directory-articles dir)
+ ;; build list from .overview if available
+ ;; We would use nnml-open-nov, except that nnml-nov-buffer-alist is
+ ;; defvoo'd, and we might get called when it hasn't been swapped in.
+ (save-excursion
+ (let ((list nil)
+ art
+ (buffer (nnml-get-nov-buffer nnml-current-group)))
+ (set-buffer buffer)
+ (goto-char (point-min))
+ (while (not (eobp))
+ (setq art (read (current-buffer)))
+ (push art list)
+ (forward-line 1))
+ list))))
+
+ (defun nnml-current-group-article-to-file-alist ()
+ "Return an alist of article/file pairs in the current group.
+ Use the nov database for the current group if available."
+ (if (or nnml-use-compressed-files
+ gnus-nov-is-evil
+ nnml-nov-is-evil
+ (not (file-exists-p
+ (expand-file-name nnml-nov-file-name
+ nnml-current-directory))))
+ (nnheader-article-to-file-alist nnml-current-directory)
+ ;; build list from .overview if available
+ (save-excursion
+ (let ((alist nil)
+ (buffer (nnml-get-nov-buffer nnml-current-group))
+ art)
+ (set-buffer buffer)
+ (goto-char (point-min))
+ (while (not (eobp))
+ (setq art (read (current-buffer)))
+ ;; assume file name is unadorned (ie. not compressed etc)
+ (push (cons art (int-to-string art)) alist)
+ (forward-line 1))
+ alist))))
+
+ (deffoo nnml-request-set-mark (group actions &optional server)
+ (nnml-possibly-change-directory group server)
+ (unless nnml-marks-is-evil
+ (nnml-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 nnml-marks (gnus-update-alist-soft
+ mark
+ (funcall (if (eq what 'add) 'gnus-range-add
+ 'gnus-remove-from-range)
+ (cdr (assoc mark nnml-marks)) range)
+ nnml-marks)))))
+ (nnml-save-marks group server))
+ nil)
+
+ (deffoo nnml-request-update-info (group info &optional server)
+ (nnml-possibly-change-directory group server)
+ (when (and (not nnml-marks-is-evil) (nnml-marks-changed-p group))
+ (nnheader-message 8 "Updating marks for %s..." group)
+ (nnml-open-marks group server)
+ ;; Update info using `nnml-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) nnml-marks))
+ (gnus-info-marks info))
+ t)))
+ gnus-article-mark-lists)
+ (let ((seen (cdr (assq 'read nnml-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 nnml-marks-changed-p (group)
+ (let ((file (expand-file-name nnml-marks-file-name
+ (nnmail-group-pathname group nnml-directory))))
+ (if (null (gnus-gethash file nnml-marks-modtime))
+ t ;; never looked at marks file, assume it has changed
+ (not (equal (gnus-gethash file nnml-marks-modtime)
+ (nth 5 (file-attributes file)))))))
+
+ (defun nnml-save-marks (group server)
+ (let ((file-name-coding-system nnmail-pathname-coding-system)
+ (file (expand-file-name nnml-marks-file-name
+ (nnmail-group-pathname group nnml-directory))))
+ (condition-case err
+ (progn
+ (nnml-possibly-create-directory group)
+ (with-temp-file file
+ (erase-buffer)
+ (gnus-prin1 nnml-marks)
+ (insert "\n"))
+ (gnus-sethash file
+ (nth 5 (file-attributes file))
+ nnml-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 nnml-open-marks (group server)
+ (let ((file (expand-file-name
+ nnml-marks-file-name
+ (nnmail-group-pathname group nnml-directory))))
+ (if (file-exists-p file)
+ (condition-case err
+ (with-temp-buffer
+ (gnus-sethash file (nth 5 (file-attributes file))
+ nnml-marks-modtime)
+ (nnheader-insert-file-contents file)
+ (setq nnml-marks (read (current-buffer)))
+ (dolist (el gnus-article-unpropagated-mark-lists)
+ (setq nnml-marks (gnus-remassoc el nnml-marks))))
+ (error (or (gnus-yes-or-no-p
+ (format "Error reading nnml marks file %s (%s).
Continuing will use marks from .newsrc.eld. Continue? " file err))
+ (error "Cannot read nnml 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 "nnml:%s" server))))))
+ (nnheader-message 7 "Bootstrapping marks for %s..." group)
+ (setq nnml-marks (gnus-info-marks info))
+ (push (cons 'read (gnus-info-read info)) nnml-marks)
+ (dolist (el gnus-article-unpropagated-mark-lists)
+ (setq nnml-marks (gnus-remassoc el nnml-marks)))
+ (nnml-save-marks group server)
+ (nnheader-message 7 "Bootstrapping marks for %s...done" group)))))
+
+ (provide 'nnml)
+
+ ;;; arch-tag: 52c97dc3-9735-45de-b439-9e4d23b52004
+ ;;; nnml.el ends here
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