-;;; gnus-agent.el --- unplugged support for Gnus
-;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003
-;; Free Software Foundation, Inc.
+;;; gnus-agent.el --- unplugged support for Semi-gnus
+;; Copyright (C) 1997,98 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; This file is part of GNU Emacs.
(require 'gnus-cache)
(require 'nnvirtual)
(require 'gnus-sum)
-(require 'gnus-score)
-(require 'gnus-srvr)
-(eval-when-compile
- (if (featurep 'xemacs)
- (require 'itimer)
- (require 'timer))
- (require 'cl))
-
-(eval-and-compile
- (autoload 'gnus-server-update-server "gnus-srvr"))
+(eval-when-compile (require 'cl))
(defcustom gnus-agent-directory (nnheader-concat gnus-directory "agent/")
"Where the Gnus agent will store its files."
:group 'gnus-agent
:type 'integer)
-(defcustom gnus-agent-expire-days nil
- "Read articles older than this will be expired.
-This can also be a list of regexp/day pairs. The regexps will be
-matched against group names. If nil, articles in the agent cache are
-never expired."
+(defcustom gnus-agent-expire-days 7
+ "Read articles older than this will be expired."
:group 'gnus-agent
- :type '(choice (number :tag "days")
- (const :tag "never" nil)))
+ :type 'integer)
(defcustom gnus-agent-expire-all nil
"If non-nil, also expire unread, ticked and dormant articles.
:group 'gnus-agent
:type 'hook)
-;; Extracted from gnus-xmas-redefine in order to preserve user settings
-(when (featurep 'xemacs)
- (add-hook 'gnus-agent-group-mode-hook 'gnus-xmas-agent-group-menu-add))
-
(defcustom gnus-agent-summary-mode-hook nil
"Hook run in Agent summary minor modes."
:group 'gnus-agent
:type 'hook)
-;; Extracted from gnus-xmas-redefine in order to preserve user settings
-(when (featurep 'xemacs)
- (add-hook 'gnus-agent-summary-mode-hook 'gnus-xmas-agent-summary-menu-add))
-
(defcustom gnus-agent-server-mode-hook nil
"Hook run in Agent summary minor modes."
:group 'gnus-agent
:type 'hook)
-;; Extracted from gnus-xmas-redefine in order to preserve user settings
-(when (featurep 'xemacs)
- (add-hook 'gnus-agent-server-mode-hook 'gnus-xmas-agent-server-menu-add))
-
-(defcustom gnus-agent-confirmation-function 'y-or-n-p
- "Function to confirm when error happens."
- :version "21.1"
- :group 'gnus-agent
- :type 'function)
-
-(defcustom gnus-agent-synchronize-flags 'ask
- "Indicate if flags are synchronized when you plug in.
-If this is `ask' the hook will query the user."
- :version "21.1"
- :type '(choice (const :tag "Always" t)
- (const :tag "Never" nil)
- (const :tag "Ask" ask))
- :group 'gnus-agent)
-
-(defcustom gnus-agent-go-online 'ask
- "Indicate if offline servers go online when you plug in.
-If this is `ask' the hook will query the user."
- :version "21.1"
- :type '(choice (const :tag "Always" t)
- (const :tag "Never" nil)
- (const :tag "Ask" ask))
- :group 'gnus-agent)
-
-(defcustom gnus-agent-mark-unread-after-downloaded t
- "Indicate whether to mark articles unread after downloaded."
- :version "21.1"
- :type 'boolean
- :group 'gnus-agent)
-
-(defcustom gnus-agent-download-marks '(download)
- "Marks for downloading."
- :version "21.1"
- :type '(repeat (symbol :tag "Mark"))
- :group 'gnus-agent)
-
-(defcustom gnus-agent-consider-all-articles nil
- "If non-nil, consider also the read articles for downloading."
- :version "21.4"
- :type 'boolean
- :group 'gnus-agent)
-
-(defcustom gnus-agent-max-fetch-size 10000000 ;; 10 Mb
- "Chunk size for `gnus-agent-fetch-session'.
-The function will split its article fetches into chunks smaller than
-this limit."
- :group 'gnus-agent
- :type 'integer)
-
;;; Internal variables
+(defvar gnus-agent-meta-information-header "X-Gnus-Agent-Meta-Information")
+
(defvar gnus-agent-history-buffers nil)
(defvar gnus-agent-buffer-alist nil)
-(defvar gnus-agent-article-alist nil
-"An assoc list identifying the articles whose headers have been fetched.
-If successfully fetched, these headers will be stored in the group's overview
-file. The key of each assoc pair is the article ID, the value of each assoc
-pair is a flag indicating whether the identified article has been downloaded
-\(gnus-agent-fetch-articles sets the value to the day of the download).
-NOTES:
-1) The last element of this list can not be expired as some
- routines (for example, get-agent-fetch-headers) use the last
- value to track which articles have had their headers retrieved.
-2) The gnus-agent-regenerate may destructively modify the value.
-")
+(defvar gnus-agent-article-alist nil)
(defvar gnus-agent-group-alist nil)
+(defvar gnus-agent-covered-methods nil)
(defvar gnus-category-alist nil)
(defvar gnus-agent-current-history nil)
(defvar gnus-agent-overview-buffer nil)
(defvar gnus-agent-spam-hashtb nil)
(defvar gnus-agent-file-name nil)
(defvar gnus-agent-send-mail-function nil)
-(defvar gnus-agent-file-coding-system 'raw-text)
-(defvar gnus-agent-file-loading-cache nil)
-(defvar gnus-agent-file-header-cache nil)
-
-(defvar gnus-agent-auto-agentize-methods '(nntp nnimap)
- "Initially, all servers from these methods are agentized.
-The user may remove or add servers using the Server buffer. See Info
-node `(gnus)Server Buffer'.")
+(defvar gnus-agent-file-coding-system 'no-conversion)
;; Dynamic variables
(defvar gnus-headers)
(setq gnus-agent t)
(gnus-agent-read-servers)
(gnus-category-read)
- (gnus-agent-create-buffer)
+ (setq gnus-agent-overview-buffer
+ (gnus-get-buffer-create " *Gnus agent overview*"))
(add-hook 'gnus-group-mode-hook 'gnus-agent-mode)
(add-hook 'gnus-summary-mode-hook 'gnus-agent-mode)
(add-hook 'gnus-server-mode-hook 'gnus-agent-mode))
-(defun gnus-agent-create-buffer ()
- (if (gnus-buffer-live-p gnus-agent-overview-buffer)
- t
- (setq gnus-agent-overview-buffer
- (gnus-get-buffer-create " *Gnus agent overview*"))
- (with-current-buffer gnus-agent-overview-buffer
- (mm-enable-multibyte))
- nil))
-
(gnus-add-shutdown 'gnus-close-agent 'gnus)
(defun gnus-close-agent ()
- (setq gnus-category-predicate-cache nil
+ (setq gnus-agent-covered-methods nil
+ gnus-category-predicate-cache nil
gnus-category-group-cache nil
gnus-agent-spam-hashtb nil)
(gnus-kill-buffer gnus-agent-overview-buffer))
(defun gnus-agent-read-file (file)
"Load FILE and do a `read' there."
- (with-temp-buffer
+ (nnheader-temp-write nil
(ignore-errors
(nnheader-insert-file-contents file)
(goto-char (point-min))
(cadr gnus-command-method))))
(defsubst gnus-agent-directory ()
- "The name of the Gnus agent directory."
+ "Path of the Gnus agent directory."
(nnheader-concat gnus-agent-directory
(nnheader-translate-file-chars (gnus-agent-method)) "/"))
(defun gnus-agent-lib-file (file)
- "The full name of the Gnus agent library FILE."
- (expand-file-name file
- (file-name-as-directory
- (expand-file-name "agent.lib" (gnus-agent-directory)))))
+ "The full path of the Gnus agent library FILE."
+ (concat (gnus-agent-directory) "agent.lib/" file))
;;; Fetching setup functions.
(defun gnus-agent-start-fetch ()
"Initialize data structures for efficient fetching."
- (gnus-agent-create-buffer))
+ (gnus-agent-open-history)
+ (setq gnus-agent-current-history (gnus-agent-history-buffer)))
(defun gnus-agent-stop-fetch ()
"Save all data structures and clean up."
+ (gnus-agent-save-history)
+ (gnus-agent-close-history)
(setq gnus-agent-spam-hashtb nil)
(save-excursion
(set-buffer nntp-server-buffer)
(defmacro gnus-agent-with-fetch (&rest forms)
"Do FORMS safely."
`(unwind-protect
- (let ((gnus-agent-fetching t))
+ (progn
(gnus-agent-start-fetch)
,@forms)
(gnus-agent-stop-fetch)))
(put 'gnus-agent-with-fetch 'lisp-indent-function 0)
(put 'gnus-agent-with-fetch 'edebug-form-spec '(body))
-(defmacro gnus-agent-append-to-list (tail value)
- `(setq ,tail (setcdr ,tail (cons ,value nil))))
-
;;;
;;; Mode infestation
;;;
"Jc" gnus-enter-category-buffer
"Jj" gnus-agent-toggle-plugged
"Js" gnus-agent-fetch-session
- "JY" gnus-agent-synchronize-flags
- "JS" gnus-group-send-queue
- "Ja" gnus-agent-add-group
- "Jr" gnus-agent-remove-group
- "Jo" gnus-agent-toggle-group-plugged)
+ "JS" gnus-group-send-drafts
+ "Ja" gnus-agent-add-group)
(defun gnus-agent-group-make-menu-bar ()
(unless (boundp 'gnus-agent-group-menu)
gnus-agent-group-menu gnus-agent-group-mode-map ""
'("Agent"
["Toggle plugged" gnus-agent-toggle-plugged t]
- ["Toggle group plugged" gnus-agent-toggle-group-plugged t]
["List categories" gnus-enter-category-buffer t]
- ["Send queue" gnus-group-send-queue gnus-plugged]
+ ["Send drafts" gnus-group-send-drafts gnus-plugged]
("Fetch"
["All" gnus-agent-fetch-session gnus-plugged]
["Group" gnus-agent-fetch-group gnus-plugged])))))
(defvar gnus-agent-summary-mode-map (make-sparse-keymap))
(gnus-define-keys gnus-agent-summary-mode-map
"Jj" gnus-agent-toggle-plugged
- "Ju" gnus-agent-summary-fetch-group
- "JS" gnus-agent-fetch-group
- "Js" gnus-agent-summary-fetch-series
"J#" gnus-agent-mark-article
"J\M-#" gnus-agent-unmark-article
"@" gnus-agent-toggle-mark
["Mark as downloadable" gnus-agent-mark-article t]
["Unmark as downloadable" gnus-agent-unmark-article t]
["Toggle mark" gnus-agent-toggle-mark t]
- ["Fetch downloadable" gnus-agent-summary-fetch-group t]
["Catchup undownloaded" gnus-agent-catchup t]))))
(defvar gnus-agent-server-mode-map (make-sparse-keymap))
["Add" gnus-agent-add-server t]
["Remove" gnus-agent-remove-server t]))))
-(defun gnus-agent-make-mode-line-string (string mouse-button mouse-func)
- (if (and (fboundp 'propertize)
- (fboundp 'make-mode-line-mouse-map))
- (propertize string 'local-map
- (make-mode-line-mouse-map mouse-button mouse-func))
- string))
-
(defun gnus-agent-toggle-plugged (plugged)
"Toggle whether Gnus is unplugged or not."
(interactive (list (not gnus-plugged)))
(progn
(setq gnus-plugged plugged)
(gnus-run-hooks 'gnus-agent-plugged-hook)
- (setcar (cdr gnus-agent-mode-status)
- (gnus-agent-make-mode-line-string " Plugged"
- 'mouse-2
- 'gnus-agent-toggle-plugged))
- (gnus-agent-go-online gnus-agent-go-online)
- (gnus-agent-possibly-synchronize-flags))
+ (setcar (cdr gnus-agent-mode-status) " Plugged"))
(gnus-agent-close-connections)
(setq gnus-plugged plugged)
(gnus-run-hooks 'gnus-agent-unplugged-hook)
- (setcar (cdr gnus-agent-mode-status)
- (gnus-agent-make-mode-line-string " Unplugged"
- 'mouse-2
- 'gnus-agent-toggle-plugged)))
+ (setcar (cdr gnus-agent-mode-status) " Unplugged"))
(set-buffer-modified-p t))
(defun gnus-agent-close-connections ()
(gnus))
;;;###autoload
-(defun gnus-slave-unplugged (&optional arg)
- "Read news as a slave unplugged."
- (interactive "P")
- (setq gnus-plugged nil)
- (gnus arg nil 'slave))
-
-;;;###autoload
(defun gnus-agentize ()
"Allow Gnus to be an offline newsreader.
The normal usage of this command is to put the following as the
\(gnus-agentize)
-This will modify the `gnus-setup-news-hook', and
-`message-send-mail-real-function' variables, and install the Gnus agent
-minor mode in all Gnus buffers."
+This will modify the `gnus-before-startup-hook', `gnus-post-method',
+and `message-send-mail-function' variables, and install the Gnus
+agent minor mode in all Gnus buffers."
(interactive)
(gnus-open-agent)
(add-hook 'gnus-setup-news-hook 'gnus-agent-queue-setup)
- (unless gnus-agent-send-mail-function
- (setq gnus-agent-send-mail-function
- (or message-send-mail-real-function
- message-send-mail-function)
- message-send-mail-real-function 'gnus-agent-send-mail))
-
+ (unless gnus-agent-send-mail-function
+ (setq gnus-agent-send-mail-function message-send-mail-function
+ message-send-mail-function 'gnus-agent-send-mail))
(unless gnus-agent-covered-methods
- (mapcar
- (lambda (server)
- (if (memq (car (gnus-server-to-method server))
- gnus-agent-auto-agentize-methods)
- (setq gnus-agent-covered-methods
- (cons (gnus-server-to-method server)
- gnus-agent-covered-methods ))))
- (append (list gnus-select-method) gnus-secondary-select-methods))))
+ (setq gnus-agent-covered-methods (list gnus-select-method))))
(defun gnus-agent-queue-setup ()
"Make sure the queue group exists."
(concat "^" (regexp-quote mail-header-separator) "\n"))
(replace-match "\n")
(gnus-agent-insert-meta-information 'mail)
- (gnus-request-accept-article "nndraft:queue" nil t t)))
+ (gnus-request-accept-article "nndraft:queue")))
(defun gnus-agent-insert-meta-information (type &optional method)
"Insert meta-information into the message that says how it's to be posted.
-TYPE can be either `mail' or `news'. If the latter, then METHOD can
+TYPE can be either `mail' or `news'. If the latter METHOD can
be a select method."
(save-excursion
(message-remove-header gnus-agent-meta-information-header)
(while (search-backward "\n" nil t)
(replace-match "\\n" t t))))
-(defun gnus-agent-restore-gcc ()
- "Restore GCC field from saved header."
- (save-excursion
- (goto-char (point-min))
- (while (re-search-forward (concat gnus-agent-gcc-header ":") nil t)
- (replace-match "Gcc:" 'fixedcase))))
-
-(defun gnus-agent-any-covered-gcc ()
- (save-restriction
- (message-narrow-to-headers)
- (let* ((gcc (mail-fetch-field "gcc" nil t))
- (methods (and gcc
- (mapcar 'gnus-inews-group-method
- (message-unquote-tokens
- (message-tokenize-header
- gcc " ,")))))
- covered)
- (while (and (not covered) methods)
- (setq covered (gnus-agent-method-p (car methods))
- methods (cdr methods)))
- covered)))
-
-;;;###autoload
-(defun gnus-agent-possibly-save-gcc ()
- "Save GCC if Gnus is unplugged."
- (when (and (not gnus-plugged) (gnus-agent-any-covered-gcc))
- (save-excursion
- (goto-char (point-min))
- (let ((case-fold-search t))
- (while (re-search-forward "^gcc:" nil t)
- (replace-match (concat gnus-agent-gcc-header ":") 'fixedcase))))))
-
-(defun gnus-agent-possibly-do-gcc ()
- "Do GCC if Gnus is plugged."
- (when (or gnus-plugged (not (gnus-agent-any-covered-gcc)))
- (gnus-inews-do-gcc)))
-
;;;
;;; Group mode commands
;;;
(defun gnus-agent-fetch-groups (n)
"Put all new articles in the current groups into the Agent."
(interactive "P")
- (unless gnus-plugged
- (error "Groups can't be fetched when Gnus is unplugged"))
(gnus-group-iterate n 'gnus-agent-fetch-group))
-(defun gnus-agent-fetch-group (&optional group)
+(defun gnus-agent-fetch-group (group)
"Put all new articles in GROUP into the Agent."
(interactive (list (gnus-group-group-name)))
- (let ((state gnus-plugged))
- (unwind-protect
- (progn
- (setq group (or group gnus-newsgroup-name))
- (unless group
- (error "No group on the current line"))
- (unless state
- (gnus-agent-toggle-plugged gnus-plugged))
- (let ((gnus-command-method (gnus-find-method-for-group group)))
- (gnus-agent-with-fetch
- (gnus-agent-fetch-group-1 group gnus-command-method)
- (gnus-message 5 "Fetching %s...done" group))))
- (when (and (not state)
- gnus-plugged)
- (gnus-agent-toggle-plugged gnus-plugged)))))
+ (unless group
+ (error "No group on the current line"))
+ (let ((gnus-command-method (gnus-find-method-for-group group)))
+ (gnus-agent-with-fetch
+ (gnus-agent-fetch-group-1 group gnus-command-method)
+ (gnus-message 5 "Fetching %s...done" group))))
(defun gnus-agent-add-group (category arg)
"Add the current group to an agent category."
(setf (cadddr cat) (nconc (cadddr cat) groups))
(gnus-category-write)))
-(defun gnus-agent-remove-group (arg)
- "Remove the current group from its agent category, if any."
- (interactive "P")
- (let (c)
- (gnus-group-iterate arg
- (lambda (group)
- (when (cadddr (setq c (gnus-group-category group)))
- (setf (cadddr c) (delete group (cadddr c))))))
- (gnus-category-write)))
-
-(defun gnus-agent-synchronize-flags ()
- "Synchronize unplugged flags with servers."
- (interactive)
- (save-excursion
- (dolist (gnus-command-method gnus-agent-covered-methods)
- (when (file-exists-p (gnus-agent-lib-file "flags"))
- (gnus-agent-synchronize-flags-server gnus-command-method)))))
-
-(defun gnus-agent-possibly-synchronize-flags ()
- "Synchronize flags according to `gnus-agent-synchronize-flags'."
- (interactive)
- (save-excursion
- (dolist (gnus-command-method gnus-agent-covered-methods)
- (when (file-exists-p (gnus-agent-lib-file "flags"))
- (gnus-agent-possibly-synchronize-flags-server gnus-command-method)))))
-
-(defun gnus-agent-synchronize-flags-server (method)
- "Synchronize flags set when unplugged for server."
- (let ((gnus-command-method method))
- (when (file-exists-p (gnus-agent-lib-file "flags"))
- (set-buffer (get-buffer-create " *Gnus Agent flag synchronize*"))
- (erase-buffer)
- (nnheader-insert-file-contents (gnus-agent-lib-file "flags"))
- (if (null (gnus-check-server gnus-command-method))
- (gnus-message 1 "Couldn't open server %s" (nth 1 gnus-command-method))
- (while (not (eobp))
- (if (null (eval (read (current-buffer))))
- (progn (forward-line)
- (kill-line -1))
- (write-file (gnus-agent-lib-file "flags"))
- (error "Couldn't set flags from file %s"
- (gnus-agent-lib-file "flags"))))
- (delete-file (gnus-agent-lib-file "flags")))
- (kill-buffer nil))))
-
-(defun gnus-agent-possibly-synchronize-flags-server (method)
- "Synchronize flags for server according to `gnus-agent-synchronize-flags'."
- (when (or (and gnus-agent-synchronize-flags
- (not (eq gnus-agent-synchronize-flags 'ask)))
- (and (eq gnus-agent-synchronize-flags 'ask)
- (gnus-y-or-n-p (format "Synchronize flags on server `%s'? "
- (cadr method)))))
- (gnus-agent-synchronize-flags-server method)))
-
;;;
;;; Server mode commands
;;;
(unless server
(error "No server on the current line"))
(let ((method (gnus-server-get-method nil (gnus-server-server-name))))
- (when (gnus-agent-method-p method)
+ (when (member method gnus-agent-covered-methods)
(error "Server already in the agent program"))
(push method gnus-agent-covered-methods)
- (gnus-server-update-server server)
(gnus-agent-write-servers)
- (gnus-message 1 "Entered %s into the Agent" server)))
+ (message "Entered %s into the Agent" server)))
(defun gnus-agent-remove-server (server)
"Remove SERVER from the agent program."
(unless server
(error "No server on the current line"))
(let ((method (gnus-server-get-method nil (gnus-server-server-name))))
- (unless (gnus-agent-method-p method)
+ (unless (member method gnus-agent-covered-methods)
(error "Server not in the agent program"))
(setq gnus-agent-covered-methods
(delete method gnus-agent-covered-methods))
- (gnus-server-update-server server)
(gnus-agent-write-servers)
- (gnus-message 1 "Removed %s from the agent" server)))
+ (message "Removed %s from the agent" server)))
(defun gnus-agent-read-servers ()
"Read the alist of covered servers."
- (mapcar (lambda (m)
- (let ((method (gnus-server-get-method
- nil
- (or m "native"))))
- (if method
- (unless (member method gnus-agent-covered-methods)
- (push method gnus-agent-covered-methods))
- (gnus-message 1 "Ignoring disappeared server `%s'" m)
- (sit-for 1))))
- (gnus-agent-read-file
- (nnheader-concat gnus-agent-directory "lib/servers"))))
+ (setq gnus-agent-covered-methods
+ (gnus-agent-read-file
+ (nnheader-concat gnus-agent-directory "lib/servers"))))
(defun gnus-agent-write-servers ()
"Write the alist of covered servers."
- (gnus-make-directory (nnheader-concat gnus-agent-directory "lib"))
- (let ((coding-system-for-write nnheader-file-coding-system)
- (file-name-coding-system nnmail-pathname-coding-system))
- (with-temp-file (nnheader-concat gnus-agent-directory "lib/servers")
- (prin1 (mapcar 'gnus-method-simplify gnus-agent-covered-methods)
- (current-buffer)))))
+ (nnheader-temp-write (nnheader-concat gnus-agent-directory "lib/servers")
+ (prin1 gnus-agent-covered-methods (current-buffer))))
;;;
;;; Summary commands
(gnus-agent-mark-article n 'toggle))
(defun gnus-summary-set-agent-mark (article &optional unmark)
- "Mark ARTICLE as downloadable. If UNMARK is nil, article is marked.
-When UNMARK is t, the article is unmarked. For any other value, the
-article's mark is toggled."
- (let ((unmark (cond ((eq nil unmark)
- nil)
- ((eq t unmark)
- t)
- (t
- (memq article gnus-newsgroup-downloadable)))))
- (gnus-summary-update-mark
+ "Mark ARTICLE as downloadable."
+ (let ((unmark (if (and (not (null unmark)) (not (eq t unmark)))
+ (memq article gnus-newsgroup-downloadable)
+ unmark)))
(if unmark
- (progn
+ (progn
(setq gnus-newsgroup-downloadable
(delq article gnus-newsgroup-downloadable))
- (gnus-article-mark article))
- (progn
- (setq gnus-newsgroup-downloadable
- (gnus-add-to-sorted-list gnus-newsgroup-downloadable article))
- gnus-downloadable-mark)
- )
+ (push article gnus-newsgroup-undownloaded))
+ (setq gnus-newsgroup-undownloaded
+ (delq article gnus-newsgroup-undownloaded))
+ (push article gnus-newsgroup-downloadable))
+ (gnus-summary-update-mark
+ (if unmark gnus-undownloaded-mark gnus-downloadable-mark)
'unread)))
(defun gnus-agent-get-undownloaded-list ()
- "Construct list of articles that have not been downloaded."
+ "Mark all unfetched articles as read."
(let ((gnus-command-method (gnus-find-method-for-group gnus-newsgroup-name)))
- (when (set (make-local-variable 'gnus-newsgroup-agentized) (gnus-agent-method-p gnus-command-method))
- (let* ((alist (gnus-agent-load-alist gnus-newsgroup-name))
- (headers gnus-newsgroup-headers)
- (undownloaded (list nil))
- (tail-undownloaded undownloaded)
- (unfetched (list nil))
- (tail-unfetched unfetched))
- (while (and alist headers)
- (let ((a (caar alist))
- (h (mail-header-number (car headers))))
- (cond ((< a h)
- ;; Ignore IDs in the alist that are not being
- ;; displayed in the summary.
- (pop alist))
- ((> a h)
- ;; Headers that are not in the alist should be
- ;; fictious (see nnagent-retrieve-headers); they
- ;; imply that this article isn't in the agent.
- (gnus-agent-append-to-list tail-undownloaded h)
- (gnus-agent-append-to-list tail-unfetched h)
- (pop headers))
- ((cdar alist)
- (pop alist)
- (pop headers)
- nil ; ignore already downloaded
- )
- (t
- (pop alist)
- (pop headers)
- (gnus-agent-append-to-list tail-undownloaded a)))))
-
- (while headers
- (let ((num (mail-header-number (pop headers))))
- (gnus-agent-append-to-list tail-undownloaded num)
- (gnus-agent-append-to-list tail-unfetched num)))
-
- (setq gnus-newsgroup-undownloaded (cdr undownloaded)
- gnus-newsgroup-unfetched (cdr unfetched))))))
+ (when (and (not gnus-plugged)
+ (gnus-agent-method-p gnus-command-method))
+ (gnus-agent-load-alist gnus-newsgroup-name)
+ (let ((articles gnus-newsgroup-unreads)
+ article)
+ (while (setq article (pop articles))
+ (unless (or (cdr (assq article gnus-agent-article-alist))
+ (memq article gnus-newsgroup-downloadable))
+ (push article gnus-newsgroup-undownloaded)))))))
(defun gnus-agent-catchup ()
- "Mark as read all unhandled articles.
-An article is unhandled if it is neither cached, nor downloaded, nor
-downloadable."
+ "Mark all undownloaded articles as read."
(interactive)
(save-excursion
- (let ((articles gnus-newsgroup-undownloaded))
- (when (or gnus-newsgroup-downloadable
- gnus-newsgroup-cached)
- (setq articles (gnus-sorted-ndifference
- (gnus-sorted-ndifference
- (copy-sequence articles)
- gnus-newsgroup-downloadable)
- gnus-newsgroup-cached)))
-
- (while articles
- (gnus-summary-mark-article
- (pop articles) gnus-catchup-mark)))
- (gnus-summary-position-point)))
-
-(defun gnus-agent-summary-fetch-series ()
- (interactive)
- (when gnus-newsgroup-processable
- (setq gnus-newsgroup-downloadable
- (let* ((dl gnus-newsgroup-downloadable)
- (gnus-newsgroup-downloadable
- (sort (copy-sequence gnus-newsgroup-processable) '<))
- (fetched-articles (gnus-agent-summary-fetch-group)))
- ;; The preceeding call to (gnus-agent-summary-fetch-group)
- ;; updated gnus-newsgroup-downloadable to remove each
- ;; article successfully fetched.
-
- ;; For each article that I processed, remove its
- ;; processable mark IF the article is no longer
- ;; downloadable (i.e. it's already downloaded)
- (dolist (article gnus-newsgroup-processable)
- (unless (memq article gnus-newsgroup-downloadable)
- (gnus-summary-remove-process-mark article)))
- (gnus-sorted-ndifference dl fetched-articles)))))
-
-(defun gnus-agent-summary-fetch-group (&optional all)
- "Fetch the downloadable articles in the group.
-Optional arg ALL, if non-nil, means to fetch all articles."
- (interactive "P")
- (let ((articles
- (if all gnus-newsgroup-articles
- gnus-newsgroup-downloadable))
- (gnus-command-method (gnus-find-method-for-group gnus-newsgroup-name))
- (state gnus-plugged)
- fetched-articles)
- (unwind-protect
- (progn
- (unless state
- (gnus-agent-toggle-plugged t))
- (unless articles
- (error "No articles to download"))
- (gnus-agent-with-fetch
- (setq gnus-newsgroup-undownloaded
- (gnus-sorted-ndifference
- gnus-newsgroup-undownloaded
- (setq fetched-articles
- (gnus-agent-fetch-articles
- gnus-newsgroup-name articles)))))
- (save-excursion
-
- (dolist (article articles)
- (setq gnus-newsgroup-downloadable
- (delq article gnus-newsgroup-downloadable))
- (if gnus-agent-mark-unread-after-downloaded
- (gnus-summary-mark-article article gnus-unread-mark))
- (when (gnus-summary-goto-subject article nil t)
- (gnus-summary-update-download-mark article)))))
- (when (and (not state)
- gnus-plugged)
- (gnus-agent-toggle-plugged nil)))
- fetched-articles))
-
-(defun gnus-agent-fetch-selected-article ()
- "Fetch the current article as it is selected.
-This can be added to `gnus-select-article-hook' or
-`gnus-mark-article-hook'."
- (let ((gnus-command-method gnus-current-select-method))
- (when (and gnus-plugged (gnus-agent-method-p gnus-command-method))
- (when (gnus-agent-fetch-articles
- gnus-newsgroup-name
- (list gnus-current-article))
- (setq gnus-newsgroup-undownloaded
- (delq gnus-current-article gnus-newsgroup-undownloaded))
- (gnus-summary-update-article-line
- gnus-current-article
- (gnus-summary-article-header gnus-current-article))))))
+ (while gnus-newsgroup-undownloaded
+ (gnus-summary-mark-article
+ (pop gnus-newsgroup-undownloaded) gnus-catchup-mark)))
+ (gnus-summary-position-point))
;;;
;;; Internal functions
;;;
(defun gnus-agent-save-active (method)
- (gnus-agent-save-active-1 method 'gnus-active-to-gnus-format))
-
-(defun gnus-agent-save-active-1 (method function)
(when (gnus-agent-method-p method)
(let* ((gnus-command-method method)
- (new (gnus-make-hashtable (count-lines (point-min) (point-max))))
(file (gnus-agent-lib-file "active")))
- (funcall function nil new)
- (gnus-agent-write-active file new)
- (erase-buffer)
- (nnheader-insert-file-contents file))))
-
-(defun gnus-agent-write-active (file new)
- (let ((orig (gnus-make-hashtable (count-lines (point-min) (point-max))))
- (file (gnus-agent-lib-file "active"))
- elem osym)
- (when (file-exists-p file)
- (with-temp-buffer
- (nnheader-insert-file-contents file)
- (gnus-active-to-gnus-format nil orig))
- (mapatoms
- (lambda (sym)
- (when (and sym (boundp sym))
- (if (and (boundp (setq osym (intern (symbol-name sym) orig)))
- (setq elem (symbol-value osym)))
- (progn
- (if (and (integerp (car (symbol-value sym)))
- (> (car elem) (car (symbol-value sym))))
- (setcar elem (car (symbol-value sym))))
- (if (integerp (cdr (symbol-value sym)))
- (setcdr elem (cdr (symbol-value sym)))))
- (set (intern (symbol-name sym) orig) (symbol-value sym)))))
- new))
- (gnus-make-directory (file-name-directory file))
- (let ((nnmail-active-file-coding-system gnus-agent-file-coding-system))
- ;; The hashtable contains real names of groups, no more prefix
- ;; removing, so set `full' to `t'.
- (gnus-write-active-file file orig t))))
+ (gnus-make-directory (file-name-directory file))
+ (write-region-as-coding-system
+ gnus-agent-file-coding-system (point-min) (point-max) file nil 'silent)
+ (when (file-exists-p (gnus-agent-lib-file "groups"))
+ (delete-file (gnus-agent-lib-file "groups"))))))
(defun gnus-agent-save-groups (method)
- (gnus-agent-save-active-1 method 'gnus-groups-to-gnus-format))
+ (let* ((gnus-command-method method)
+ (file (gnus-agent-lib-file "groups")))
+ (gnus-make-directory (file-name-directory file))
+ (write-region-as-coding-system
+ gnus-agent-file-coding-system (point-min) (point-max) file nil 'silent)
+ (when (file-exists-p (gnus-agent-lib-file "active"))
+ (delete-file (gnus-agent-lib-file "active")))))
(defun gnus-agent-save-group-info (method group active)
(when (gnus-agent-method-p method)
(let* ((gnus-command-method method)
- (coding-system-for-write nnheader-file-coding-system)
- (file-name-coding-system nnmail-pathname-coding-system)
- (file (gnus-agent-lib-file "active"))
- oactive-min)
+ (file (if nntp-server-list-active-group
+ (gnus-agent-lib-file "active")
+ (gnus-agent-lib-file "groups"))))
(gnus-make-directory (file-name-directory file))
- (with-temp-file file
- ;; Emacs got problem to match non-ASCII group in multibyte buffer.
- (mm-disable-multibyte)
+ (nnheader-temp-write file
(when (file-exists-p file)
(nnheader-insert-file-contents file))
(goto-char (point-min))
- (when (re-search-forward
- (concat "^" (regexp-quote group) " ") nil t)
- (save-excursion
- (read (current-buffer)) ;; max
- (setq oactive-min (read (current-buffer)))) ;; min
- (gnus-delete-line))
- (insert (format "%S %d %d y\n" (intern group)
- (cdr active)
- (or oactive-min (car active))))
- (goto-char (point-max))
- (while (search-backward "\\." nil t)
- (delete-char 1))))))
+ (if nntp-server-list-active-group
+ (progn
+ (when (re-search-forward
+ (concat "^" (regexp-quote group) " ") nil t)
+ (gnus-delete-line))
+ (insert group " " (number-to-string (cdr active)) " "
+ (number-to-string (car active)) " y\n"))
+ (when (re-search-forward (concat (regexp-quote group) " ") nil t)
+ (gnus-delete-line))
+ (insert-buffer-substring nntp-server-buffer))))))
(defun gnus-agent-group-path (group)
- "Translate GROUP into a file name."
+ "Translate GROUP into a path."
(if nnmail-use-long-file-names
(gnus-group-real-name group)
- (nnheader-translate-file-chars
- (nnheader-replace-chars-in-string
- (nnheader-replace-duplicate-chars-in-string
- (nnheader-replace-chars-in-string
- (gnus-group-real-name group)
- ?/ ?_)
- ?. ?_)
- ?. ?/))))
+ (nnheader-replace-chars-in-string
+ (nnheader-translate-file-chars (gnus-group-real-name group))
+ ?. ?/)))
+
+\f
+
+(defun gnus-agent-method-p (method)
+ "Say whether METHOD is covered by the agent."
+ (member method gnus-agent-covered-methods))
(defun gnus-agent-get-function (method)
- (if (gnus-online method)
- (car method)
- (require 'nnagent)
- 'nnagent))
+ (if (and (not gnus-plugged)
+ (gnus-agent-method-p method))
+ (progn
+ (require 'nnagent)
+ 'nnagent)
+ (car method)))
;;; History functions
(format " *Gnus agent %s history*"
(gnus-agent-method)))))
gnus-agent-history-buffers)
- (mm-disable-multibyte) ;; everything is binary
(erase-buffer)
(insert "\n")
(let ((file (gnus-agent-lib-file "history")))
(when (file-exists-p file)
- (nnheader-insert-file-contents file))
+ (insert-file file))
(set (make-local-variable 'gnus-agent-file-name) file))))
+(defun gnus-agent-save-history ()
+ (save-excursion
+ (set-buffer gnus-agent-current-history)
+ (gnus-make-directory (file-name-directory gnus-agent-file-name))
+ (write-region-as-coding-system
+ gnus-agent-file-coding-system
+ (1+ (point-min)) (point-max) gnus-agent-file-name nil 'silent)))
+
(defun gnus-agent-close-history ()
(when (gnus-buffer-live-p gnus-agent-current-history)
(kill-buffer gnus-agent-current-history)
(delq (assoc (gnus-agent-method) gnus-agent-history-buffers)
gnus-agent-history-buffers))))
+(defun gnus-agent-enter-history (id group-arts date)
+ (save-excursion
+ (set-buffer gnus-agent-current-history)
+ (goto-char (point-max))
+ (insert id "\t" (number-to-string date) "\t")
+ (while group-arts
+ (insert (caar group-arts) " " (number-to-string (cdr (pop group-arts)))
+ " "))
+ (insert "\n")))
+
+(defun gnus-agent-article-in-history-p (id)
+ (save-excursion
+ (set-buffer (gnus-agent-history-buffer))
+ (goto-char (point-min))
+ (search-forward (concat "\n" id "\t") nil t)))
+
+(defun gnus-agent-history-path (id)
+ (save-excursion
+ (set-buffer (gnus-agent-history-buffer))
+ (goto-char (point-min))
+ (when (search-forward (concat "\n" id "\t") nil t)
+ (let ((method (gnus-agent-method)))
+ (let (paths group)
+ (while (not (numberp (setq group (read (current-buffer)))))
+ (push (concat method "/" group) paths))
+ (nreverse paths))))))
+
;;;
;;; Fetching
;;;
(defun gnus-agent-fetch-articles (group articles)
"Fetch ARTICLES from GROUP and put them into the Agent."
(when articles
- (gnus-agent-load-alist group)
- (let* ((alist gnus-agent-article-alist)
- (headers (if (< (length articles) 2) nil gnus-newsgroup-headers))
- (selected-sets (list nil))
- (current-set-size 0)
- article
- header-number)
- ;; Check each article
- (while (setq article (pop articles))
- ;; Skip alist entries preceeding this article
- (while (> article (or (caar alist) (1+ article)))
- (setq alist (cdr alist)))
-
- ;; Prune off articles that we have already fetched.
- (unless (and (eq article (caar alist))
- (cdar alist))
- ;; Skip headers preceeding this article
- (while (> article
- (setq header-number
- (let* ((header (car headers)))
- (if header
- (mail-header-number header)
- (1+ article)))))
- (setq headers (cdr headers)))
-
- ;; Add this article to the current set
- (setcar selected-sets (cons article (car selected-sets)))
-
- ;; Update the set size, when the set is too large start a
- ;; new one. I do this after adding the article as I want at
- ;; least one article in each set.
- (when (< gnus-agent-max-fetch-size
- (setq current-set-size
- (+ current-set-size
- (if (= header-number article)
- (mail-header-chars (car headers))
- 0))))
- (setcar selected-sets (nreverse (car selected-sets)))
- (setq selected-sets (cons nil selected-sets)
- current-set-size 0))))
-
- (when (or (cdr selected-sets) (car selected-sets))
- (let* ((fetched-articles (list nil))
- (tail-fetched-articles fetched-articles)
- (dir (concat
- (gnus-agent-directory)
- (gnus-agent-group-path group) "/"))
- (date (time-to-days (current-time)))
- (case-fold-search t)
- pos crosses id)
-
- (setcar selected-sets (nreverse (car selected-sets)))
- (setq selected-sets (nreverse selected-sets))
-
- (gnus-make-directory dir)
- (gnus-message 7 "Fetching articles for %s..." group)
-
- (unwind-protect
- (while (setq articles (pop selected-sets))
- ;; Fetch the articles from the backend.
- (if (gnus-check-backend-function 'retrieve-articles group)
- (setq pos (gnus-retrieve-articles articles group))
- (with-temp-buffer
- (let (article)
- (while (setq article (pop articles))
- (gnus-message 10 "Fetching article %s for %s..."
- article group)
- (when (or
- (gnus-backlog-request-article group article
- nntp-server-buffer)
- (gnus-request-article article group))
- (goto-char (point-max))
- (push (cons article (point)) pos)
- (insert-buffer-substring nntp-server-buffer)))
- (copy-to-buffer
- nntp-server-buffer (point-min) (point-max))
- (setq pos (nreverse pos)))))
- ;; Then save these articles into the Agent.
- (save-excursion
- (set-buffer nntp-server-buffer)
- (while pos
- (narrow-to-region (cdar pos) (or (cdadr pos) (point-max)))
- (goto-char (point-min))
- (unless (eobp) ;; Don't save empty articles.
- (when (search-forward "\n\n" nil t)
- (when (search-backward "\nXrefs: " nil t)
- ;; Handle cross posting.
- (goto-char (match-end 0)) ; move to end of header name
- (skip-chars-forward "^ ") ; skip server name
- (skip-chars-forward " ")
- (setq crosses nil)
- (while (looking-at "\\([^: \n]+\\):\\([0-9]+\\) *")
- (push (cons (buffer-substring (match-beginning 1)
- (match-end 1))
- (string-to-int
- (buffer-substring (match-beginning 2)
- (match-end 2))))
- crosses)
- (goto-char (match-end 0)))
- (gnus-agent-crosspost crosses (caar pos) date)))
- (goto-char (point-min))
- (if (not (re-search-forward
- "^Message-ID: *<\\([^>\n]+\\)>" nil t))
- (setq id "No-Message-ID-in-article")
- (setq id (buffer-substring
- (match-beginning 1) (match-end 1))))
- (let ((coding-system-for-write
- gnus-agent-file-coding-system))
- (write-region (point-min) (point-max)
- (concat dir (number-to-string (caar pos)))
- nil 'silent))
-
- (gnus-agent-append-to-list
- tail-fetched-articles (caar pos)))
- (widen)
- (pop pos))))
-
- (gnus-agent-save-alist group (cdr fetched-articles) date))
- (cdr fetched-articles))))))
-
-(defun gnus-agent-crosspost (crosses article &optional date)
- (setq date (or date t))
-
+ ;; Prune off articles that we have already fetched.
+ (while (and articles
+ (cdr (assq (car articles) gnus-agent-article-alist)))
+ (pop articles))
+ (let ((arts articles))
+ (while (cdr arts)
+ (if (cdr (assq (cadr arts) gnus-agent-article-alist))
+ (setcdr arts (cddr arts))
+ (setq arts (cdr arts)))))
+ (when articles
+ (let ((dir (concat
+ (gnus-agent-directory)
+ (gnus-agent-group-path group) "/"))
+ (date (gnus-time-to-day (current-time)))
+ (case-fold-search t)
+ pos crosses id elem)
+ (gnus-make-directory dir)
+ (gnus-message 7 "Fetching articles for %s..." group)
+ ;; Fetch the articles from the backend.
+ (if (gnus-check-backend-function 'retrieve-articles group)
+ (setq pos (gnus-retrieve-articles articles group))
+ (nnheader-temp-write nil
+ (let (article)
+ (while (setq article (pop articles))
+ (when (gnus-request-article article group)
+ (goto-char (point-max))
+ (push (cons article (point)) pos)
+ (insert-buffer-substring nntp-server-buffer)))
+ (copy-to-buffer nntp-server-buffer (point-min) (point-max))
+ (setq pos (nreverse pos)))))
+ ;; Then save these articles into the Agent.
+ (save-excursion
+ (set-buffer nntp-server-buffer)
+ (while pos
+ (narrow-to-region (cdar pos) (or (cdadr pos) (point-max)))
+ (goto-char (point-min))
+ (when (search-forward "\n\n" nil t)
+ (when (search-backward "\nXrefs: " nil t)
+ ;; Handle crossposting.
+ (skip-chars-forward "^ ")
+ (skip-chars-forward " ")
+ (setq crosses nil)
+ (while (looking-at "\\([^: \n]+\\):\\([0-9]+\\) +")
+ (push (cons (buffer-substring (match-beginning 1)
+ (match-end 1))
+ (buffer-substring (match-beginning 2)
+ (match-end 2)))
+ crosses)
+ (goto-char (match-end 0)))
+ (gnus-agent-crosspost crosses (caar pos))))
+ (goto-char (point-min))
+ (if (not (re-search-forward "^Message-ID: *<\\([^>\n]+\\)>" nil t))
+ (setq id "No-Message-ID-in-article")
+ (setq id (buffer-substring (match-beginning 1) (match-end 1))))
+ (write-region-as-coding-system
+ gnus-agent-file-coding-system
+ (point-min) (point-max)
+ (concat dir (number-to-string (caar pos))) nil 'silent)
+ (when (setq elem (assq (caar pos) gnus-agent-article-alist))
+ (setcdr elem t))
+ (gnus-agent-enter-history
+ id (or crosses (list (cons group (caar pos)))) date)
+ (widen)
+ (pop pos)))
+ (gnus-agent-save-alist group)))))
+
+(defun gnus-agent-crosspost (crosses article)
(let (gnus-agent-article-alist group alist beg end)
(save-excursion
(set-buffer gnus-agent-overview-buffer)
(unless (setq alist (assoc group gnus-agent-group-alist))
(push (setq alist (list group (gnus-agent-load-alist (caar crosses))))
gnus-agent-group-alist))
- (setcdr alist (cons (cons (cdar crosses) date) (cdr alist)))
+ (setcdr alist (cons (cons (cdar crosses) t) (cdr alist)))
(save-excursion
(set-buffer (gnus-get-buffer-create (format " *Gnus agent overview %s*"
- group)))
+ group)))
(when (= (point-max) (point-min))
(push (cons group (current-buffer)) gnus-agent-buffer-alist)
(ignore-errors
(gnus-agent-article-name ".overview" group))))
(nnheader-find-nov-line (string-to-number (cdar crosses)))
(insert (string-to-number (cdar crosses)))
- (insert-buffer-substring gnus-agent-overview-buffer beg end)
- (gnus-agent-check-overview-buffer))
+ (insert-buffer-substring gnus-agent-overview-buffer beg end))
(pop crosses))))
-(defun gnus-agent-backup-overview-buffer ()
- (when gnus-newsgroup-name
- (let ((root (gnus-agent-article-name ".overview" gnus-newsgroup-name))
- (cnt 0)
- name)
- (while (file-exists-p
- (setq name (concat root "~"
- (int-to-string (setq cnt (1+ cnt))) "~"))))
- (write-region (point-min) (point-max) name nil 'no-msg)
- (gnus-message 1 "Created backup copy of overview in %s." name)))
- t)
-
-(defun gnus-agent-check-overview-buffer (&optional buffer)
- "Check the overview file given for sanity.
-In particular, checks that the file is sorted by article number
-and that there are no duplicates."
- (let ((prev-num -1)
- (backed-up nil))
- (save-excursion
- (when buffer
- (set-buffer buffer))
- (save-restriction
- (widen)
- (goto-char (point-min))
-
- (while (< (point) (point-max))
- (let ((p (point))
- (cur (condition-case nil
- (read (current-buffer))
- (error nil))))
- (cond
- ((or (not (integerp cur))
- (not (eq (char-after) ?\t)))
- (or backed-up
- (setq backed-up (gnus-agent-backup-overview-buffer)))
- (gnus-message 1
- "Overview buffer contains garbage '%s'."
- (buffer-substring
- p (gnus-point-at-eol))))
- ((= cur prev-num)
- (or backed-up
- (setq backed-up (gnus-agent-backup-overview-buffer)))
- (gnus-message 1
- "Duplicate overview line for %d" cur)
- (delete-region (point) (progn (forward-line 1) (point))))
- ((< cur prev-num)
- (or backed-up
- (setq backed-up (gnus-agent-backup-overview-buffer)))
- (gnus-message 1 "Overview buffer not sorted!")
- (sort-numeric-fields 1 (point-min) (point-max))
- (goto-char (point-min))
- (setq prev-num -1))
- (t
- (setq prev-num cur)))
- (forward-line 1)))))))
-
(defun gnus-agent-flush-cache ()
(save-excursion
(while gnus-agent-buffer-alist
(set-buffer (cdar gnus-agent-buffer-alist))
- (let ((coding-system-for-write
- gnus-agent-file-coding-system))
- (write-region (point-min) (point-max)
- (gnus-agent-article-name ".overview"
- (caar gnus-agent-buffer-alist))
- nil 'silent))
+ (write-region-as-coding-system
+ gnus-agent-file-coding-system
+ (point-min) (point-max)
+ (gnus-agent-article-name ".overview"
+ (caar gnus-agent-buffer-alist))
+ nil 'silent)
(pop gnus-agent-buffer-alist))
(while gnus-agent-group-alist
- (with-temp-file (gnus-agent-article-name
- ".agentview" (caar gnus-agent-group-alist))
+ (nnheader-temp-write (caar gnus-agent-group-alist)
(princ (cdar gnus-agent-group-alist))
- (insert "\n")
- (princ 1 (current-buffer))
(insert "\n"))
(pop gnus-agent-group-alist))))
(defun gnus-agent-fetch-headers (group &optional force)
- "Fetch interesting headers into the agent. The group's overview
-file will be updated to include the headers while a list of available
-article numbers will be returned."
- (let* ((fetch-all (and gnus-agent-consider-all-articles
- ;; Do not fetch all headers if the predicate
- ;; implies that we only consider unread articles.
- (not (gnus-predicate-implies-unread
- (or (gnus-group-find-parameter
- group 'agent-predicate t)
- (cadr (gnus-group-category group)))))))
- (articles (if fetch-all
- (gnus-uncompress-range (gnus-active group))
- (gnus-list-of-unread-articles group)))
- (gnus-decode-encoded-word-function 'identity)
- (file (gnus-agent-article-name ".overview" group))
- gnus-agent-cache)
-
- (unless fetch-all
- ;; Add articles with marks to the list of article headers we want to
- ;; fetch. Don't fetch articles solely on the basis of a recent or seen
- ;; mark, but do fetch recent or seen articles if they have other, more
- ;; interesting marks. (We have to fetch articles with boring marks
- ;; because otherwise the agent will remove their marks.)
- (dolist (arts (gnus-info-marks (gnus-get-info group)))
- (unless (memq (car arts) '(seen recent killed cache))
- (setq articles (gnus-range-add articles (cdr arts)))))
- (setq articles (sort (gnus-uncompress-sequence articles) '<)))
-
- ;; At this point, I have the list of articles to consider for
- ;; fetching. This is the list that I'll return to my caller. Some
- ;; of these articles may have already been fetched. That's OK as
- ;; the fetch article code will filter those out. Internally, I'll
- ;; filter this list to just those articles whose headers need to
- ;; be fetched.
- (let ((articles articles))
- ;; Remove known articles.
- (when (gnus-agent-load-alist group)
- ;; Remove articles marked as downloaded.
- (if fetch-all
- ;; I want to fetch all headers in the active range.
- ;; Therefore, exclude only those headers that are in the
- ;; article alist.
- ;; NOTE: This is probably NOT what I want to do after
- ;; agent expiration in this group.
- (setq articles (gnus-agent-uncached-articles articles group))
-
- ;; I want to only fetch those headers that have never been
- ;; fetched. Therefore, exclude all headers that are, or
- ;; WERE, in the article alist.
- (let ((low (1+ (caar (last gnus-agent-article-alist))))
- (high (cdr (gnus-active group))))
- ;; Low can be greater than High when the same group is
- ;; fetched twice in the same session {The first fetch will
- ;; fill the article alist such that (last
- ;; gnus-agent-article-alist) equals (cdr (gnus-active
- ;; group))}. The addition of one(the 1+ above) then
- ;; forces Low to be greater than High. When this happens,
- ;; gnus-list-range-intersection returns nil which
- ;; indicates that no headers need to be fetched. -- Kevin
- (setq articles (gnus-list-range-intersection
- articles (list (cons low high)))))))
-
- (gnus-message
- 10 "gnus-agent-fetch-headers: undownloaded articles are '%s'"
- (gnus-compress-sequence articles t))
-
+ (let ((articles (if (gnus-agent-load-alist group)
+ (gnus-sorted-intersection
+ (gnus-list-of-unread-articles group)
+ (gnus-uncompress-range
+ (cons (1+ (caar (last gnus-agent-article-alist)))
+ (cdr (gnus-active group)))))
+ (gnus-list-of-unread-articles group))))
+ ;; Fetch them.
+ (when articles
+ (gnus-message 7 "Fetching headers for %s..." group)
(save-excursion
- (set-buffer nntp-server-buffer)
-
- (if articles
- (progn
- (gnus-message 7 "Fetching headers for %s..." group)
-
- ;; Fetch them.
- (gnus-make-directory (nnheader-translate-file-chars
- (file-name-directory file) t))
-
- (unless (eq 'nov (gnus-retrieve-headers articles group))
- (nnvirtual-convert-headers))
- (gnus-agent-check-overview-buffer)
- ;; Move these headers to the overview buffer so that
- ;; gnus-agent-braid-nov can merge them with the contents
- ;; of FILE.
- (copy-to-buffer
- gnus-agent-overview-buffer (point-min) (point-max))
- (when (file-exists-p file)
- (gnus-agent-braid-nov group articles file))
- (let ((coding-system-for-write
- gnus-agent-file-coding-system))
- (gnus-agent-check-overview-buffer)
- (write-region (point-min) (point-max) file nil 'silent))
- (gnus-agent-save-alist group articles nil)
- articles)
- (ignore-errors
- (erase-buffer)
- (nnheader-insert-file-contents file))))
- )
- articles))
+ (set-buffer nntp-server-buffer)
+ (unless (eq 'nov (gnus-retrieve-headers articles group))
+ (nnvirtual-convert-headers))
+ ;; Save these headers for later processing.
+ (copy-to-buffer gnus-agent-overview-buffer (point-min) (point-max))
+ (let (file)
+ (when (file-exists-p
+ (setq file (gnus-agent-article-name ".overview" group)))
+ (gnus-agent-braid-nov group articles file))
+ (gnus-make-directory (nnheader-translate-file-chars
+ (file-name-directory file)))
+ (write-region-as-coding-system
+ gnus-agent-file-coding-system
+ (point-min) (point-max) file nil 'silent)
+ (gnus-agent-save-alist group articles nil)
+ (gnus-agent-enter-history
+ "last-header-fetched-for-session"
+ (list (cons group (nth (- (length articles) 1) articles)))
+ (gnus-time-to-day (current-time)))
+ articles)))))
(defsubst gnus-agent-copy-nov-line (article)
- (let (art b e)
+ (let (b e)
(set-buffer gnus-agent-overview-buffer)
- (while (and (not (eobp))
- (< (setq art (read (current-buffer))) article))
- (forward-line 1))
- (beginning-of-line)
- (if (or (eobp)
- (not (eq article art)))
- (set-buffer nntp-server-buffer)
- (setq b (point))
- (setq e (progn (forward-line 1) (point)))
- (set-buffer nntp-server-buffer)
- (insert-buffer-substring gnus-agent-overview-buffer b e))))
+ (setq b (point))
+ (if (eq article (read (current-buffer)))
+ (setq e (progn (forward-line 1) (point)))
+ (progn
+ (beginning-of-line)
+ (setq e b)))
+ (set-buffer nntp-server-buffer)
+ (insert-buffer-substring gnus-agent-overview-buffer b e)))
(defun gnus-agent-braid-nov (group articles file)
- "Merge agent overview data with given file.
-Takes headers for ARTICLES from `gnus-agent-overview-buffer' and the given
-FILE and places the combined headers into `nntp-server-buffer'."
- (let (start last)
- (set-buffer gnus-agent-overview-buffer)
- (goto-char (point-min))
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (nnheader-insert-file-contents file)
- (goto-char (point-max))
- (forward-line -1)
- (unless (looking-at "[0-9]+\t")
- ;; Remove corrupted lines
- (gnus-message
- 1 "Overview %s is corrupted. Removing corrupted lines..." file)
- (goto-char (point-min))
- (while (not (eobp))
- (if (looking-at "[0-9]+\t")
- (forward-line 1)
- (delete-region (point) (progn (forward-line 1) (point)))))
- (forward-line -1))
- (unless (or (= (point-min) (point-max))
- (< (setq last (read (current-buffer))) (car articles)))
- ;; We do it the hard way.
- (when (nnheader-find-nov-line (car articles))
- ;; Replacing existing NOV entry
- (delete-region (point) (progn (forward-line 1) (point))))
- (gnus-agent-copy-nov-line (pop articles))
-
- (ignore-errors
- (while articles
- (while (let ((art (read (current-buffer))))
- (cond ((< art (car articles))
- (forward-line 1)
- t)
- ((= art (car articles))
- (beginning-of-line)
- (delete-region
- (point) (progn (forward-line 1) (point)))
- nil)
- (t
- (beginning-of-line)
- nil))))
-
- (gnus-agent-copy-nov-line (pop articles)))))
-
- ;; Copy the rest lines
- (set-buffer nntp-server-buffer)
- (goto-char (point-max))
+ (set-buffer gnus-agent-overview-buffer)
+ (goto-char (point-min))
+ (set-buffer nntp-server-buffer)
+ (erase-buffer)
+ (nnheader-insert-file-contents file)
+ (goto-char (point-max))
+ (if (or (= (point-min) (point-max))
+ (progn
+ (forward-line -1)
+ (< (read (current-buffer)) (car articles))))
+ ;; We have only headers that are after the older headers,
+ ;; so we just append them.
+ (progn
+ (goto-char (point-max))
+ (insert-buffer-substring gnus-agent-overview-buffer))
+ ;; We do it the hard way.
+ (nnheader-find-nov-line (car articles))
+ (gnus-agent-copy-nov-line (car articles))
+ (pop articles)
+ (while (and articles
+ (not (eobp)))
+ (while (and (not (eobp))
+ (< (read (current-buffer)) (car articles)))
+ (forward-line 1))
+ (beginning-of-line)
+ (unless (eobp)
+ (gnus-agent-copy-nov-line (car articles))
+ (setq articles (cdr articles))))
(when articles
- (when last
+ (let (b e)
(set-buffer gnus-agent-overview-buffer)
- (ignore-errors
- (while (<= (read (current-buffer)) last)
- (forward-line 1)))
- (beginning-of-line)
- (setq start (point))
- (set-buffer nntp-server-buffer))
- (insert-buffer-substring gnus-agent-overview-buffer start))))
-
-;; Keeps the compiler from warning about the free variable in
-;; gnus-agent-read-agentview.
-(eval-when-compile
- (defvar gnus-agent-read-agentview))
+ (setq b (point)
+ e (point-max))
+ (set-buffer nntp-server-buffer)
+ (insert-buffer-substring gnus-agent-overview-buffer b e)))))
-(defun gnus-agent-load-alist (group)
+(defun gnus-agent-load-alist (group &optional dir)
"Load the article-state alist for GROUP."
- ;; Bind free variable that's used in `gnus-agent-read-agentview'.
- (let ((gnus-agent-read-agentview group))
- (setq gnus-agent-article-alist
- (gnus-cache-file-contents
- (gnus-agent-article-name ".agentview" group)
- 'gnus-agent-file-loading-cache
- 'gnus-agent-read-agentview))))
-
-;; Save format may be either 1 or 2. Two is the new, compressed
-;; format that is still being tested. Format 1 is uncompressed but
-;; known to be reliable.
-(defconst gnus-agent-article-alist-save-format 2)
-
-(defun gnus-agent-read-agentview (file)
- "Load FILE and do a `read' there."
- (with-temp-buffer
- (ignore-errors
- (nnheader-insert-file-contents file)
- (goto-char (point-min))
- (let ((alist (read (current-buffer)))
- (version (condition-case nil (read (current-buffer))
- (end-of-file 0)))
- changed-version)
-
- (cond
- ((= version 0)
- (let ((inhibit-quit t)
- entry)
- (gnus-agent-open-history)
- (set-buffer (gnus-agent-history-buffer))
- (goto-char (point-min))
- (while (not (eobp))
- (if (and (looking-at
- "[^\t\n]+\t\\([0-9]+\\)\t\\([^ \n]+\\) \\([0-9]+\\)")
- (string= (match-string 2)
- gnus-agent-read-agentview)
- (setq entry (assoc (string-to-number (match-string 3)) alist)))
- (setcdr entry (string-to-number (match-string 1))))
- (forward-line 1))
- (gnus-agent-close-history)
- (setq changed-version t)))
- ((= version 1)
- (setq changed-version (not (= 1 gnus-agent-article-alist-save-format))))
- ((= version 2)
- (let (uncomp)
- (mapcar
- (lambda (comp-list)
- (let ((state (car comp-list))
- (sequence (gnus-uncompress-sequence
- (cdr comp-list))))
- (mapcar (lambda (article-id)
- (setq uncomp (cons (cons article-id state) uncomp)))
- sequence)))
- alist)
- (setq alist (sort uncomp
- (lambda (first second)
- (< (car first) (car second))))))))
- (when changed-version
- (let ((gnus-agent-article-alist alist))
- (gnus-agent-save-alist gnus-agent-read-agentview)))
- alist))))
+ (setq gnus-agent-article-alist
+ (gnus-agent-read-file
+ (if dir
+ (concat dir ".agentview")
+ (gnus-agent-article-name ".agentview" group)))))
(defun gnus-agent-save-alist (group &optional articles state dir)
"Save the article-state alist for GROUP."
- (let* ((file-name-coding-system nnmail-pathname-coding-system)
- (prev (cons nil gnus-agent-article-alist))
- (all prev)
- print-level print-length item article)
- (while (setq article (pop articles))
- (while (and (cdr prev)
- (< (caadr prev) article))
- (setq prev (cdr prev)))
- (cond
- ((not (cdr prev))
- (setcdr prev (list (cons article state))))
- ((> (caadr prev) article)
- (setcdr prev (cons (cons article state) (cdr prev))))
- ((= (caadr prev) article)
- (setcdr (cadr prev) state)))
- (setq prev (cdr prev)))
- (setq gnus-agent-article-alist (cdr all))
- (if dir
- (gnus-make-directory dir)
- (gnus-make-directory (gnus-agent-article-name "" group)))
- (with-temp-file (if dir
- (expand-file-name ".agentview" dir)
- (gnus-agent-article-name ".agentview" group))
- (cond ((eq gnus-agent-article-alist-save-format 1)
- (princ gnus-agent-article-alist (current-buffer)))
- ((eq gnus-agent-article-alist-save-format 2)
- (let ((compressed nil))
- (mapcar (lambda (pair)
- (let* ((article-id (car pair))
- (day-of-download (cdr pair))
- (comp-list (assq day-of-download compressed)))
- (if comp-list
- (setcdr comp-list
- (cons article-id (cdr comp-list)))
- (setq compressed
- (cons (list day-of-download article-id)
- compressed)))
- nil)) gnus-agent-article-alist)
- (mapcar (lambda (comp-list)
- (setcdr comp-list
- (gnus-compress-sequence
- (nreverse (cdr comp-list)))))
- compressed)
- (princ compressed (current-buffer)))))
- (insert "\n")
- (princ gnus-agent-article-alist-save-format (current-buffer))
- (insert "\n"))))
+ (nnheader-temp-write (if dir
+ (concat dir ".agentview")
+ (gnus-agent-article-name ".agentview" group))
+ (princ (setq gnus-agent-article-alist
+ (nconc gnus-agent-article-alist
+ (mapcar (lambda (article) (cons article state))
+ articles)))
+ (current-buffer))
+ (insert "\n")))
(defun gnus-agent-article-name (article group)
- (expand-file-name (if (stringp article) article (string-to-number article))
- (file-name-as-directory
- (expand-file-name (gnus-agent-group-path group)
- (gnus-agent-directory)))))
-
-(defun gnus-agent-batch-confirmation (msg)
- "Show error message and return t."
- (gnus-message 1 msg)
- t)
+ (concat (gnus-agent-directory) (gnus-agent-group-path group) "/"
+ (if (stringp article) article (string-to-number article))))
;;;###autoload
(defun gnus-agent-batch-fetch ()
"Start Gnus and fetch session."
(interactive)
(gnus)
- (let ((gnus-agent-confirmation-function 'gnus-agent-batch-confirmation))
- (gnus-agent-fetch-session))
+ (gnus-agent-fetch-session)
(gnus-group-exit))
(defun gnus-agent-fetch-session ()
groups group gnus-command-method)
(save-excursion
(while methods
- (condition-case err
- (progn
- (setq gnus-command-method (car methods))
- (when (and (or (gnus-server-opened gnus-command-method)
- (gnus-open-server gnus-command-method))
- (gnus-online gnus-command-method))
- (setq groups (gnus-groups-from-server (car methods)))
- (gnus-agent-with-fetch
- (while (setq group (pop groups))
- (when (<= (gnus-group-level group) gnus-agent-handle-level)
- (gnus-agent-fetch-group-1 group gnus-command-method))))))
- (error
- (unless (funcall gnus-agent-confirmation-function
- (format "Error %s. Continue? " (cdr err)))
- (error "Cannot fetch articles into the Gnus agent")))
- (quit
- (unless (funcall gnus-agent-confirmation-function
- (format "Quit fetching session %s. Continue? "
- (cdr err)))
- (signal 'quit "Cannot fetch articles into the Gnus agent"))))
+ (setq gnus-command-method (car methods))
+ (when (or (gnus-server-opened gnus-command-method)
+ (gnus-open-server gnus-command-method))
+ (setq groups (gnus-groups-from-server (car methods)))
+ (gnus-agent-with-fetch
+ (while (setq group (pop groups))
+ (when (<= (gnus-group-level group) gnus-agent-handle-level)
+ (gnus-agent-fetch-group-1 group gnus-command-method)))))
(pop methods))
- (run-hooks 'gnus-agent-fetch-hook)
(gnus-message 6 "Finished fetching articles into the Gnus agent"))))
(defun gnus-agent-fetch-group-1 (group method)
"Fetch GROUP."
(let ((gnus-command-method method)
- (gnus-newsgroup-name group)
- (gnus-newsgroup-dependencies gnus-newsgroup-dependencies)
- (gnus-newsgroup-headers gnus-newsgroup-headers)
- (gnus-newsgroup-scored gnus-newsgroup-scored)
- (gnus-use-cache gnus-use-cache)
- (gnus-summary-expunge-below gnus-summary-expunge-below)
- (gnus-summary-mark-below gnus-summary-mark-below)
- (gnus-orphan-score gnus-orphan-score)
- ;; Maybe some other gnus-summary local variables should also
- ;; be put here.
-
- gnus-headers
- gnus-score
- articles arts
- category predicate info marks score-param
- )
- (unless (gnus-check-group group)
- (error "Can't open server for %s" group))
-
+ gnus-newsgroup-dependencies gnus-newsgroup-headers
+ gnus-newsgroup-scored gnus-headers gnus-score
+ gnus-use-cache articles arts
+ category predicate info marks score-param)
;; Fetch headers.
- (when (or gnus-newsgroup-active
- (gnus-active group)
- (gnus-activate-group group))
- (let ((marked-articles gnus-newsgroup-downloadable))
- ;; Identify the articles marked for download
- (unless gnus-newsgroup-active
- ;; This needs to be a gnus-summary local variable that is
- ;; NOT bound to any value above (its global value should
- ;; default to nil).
- (dolist (mark gnus-agent-download-marks)
- (let ((arts (cdr (assq mark (gnus-info-marks
- (setq info (gnus-get-info group)))))))
- (when arts
- (setq marked-articles (nconc (gnus-uncompress-range arts)
- marked-articles))
- ))))
- (setq marked-articles (sort marked-articles '<))
-
- ;; Fetch any new articles from the server
- (setq articles (gnus-agent-fetch-headers group))
-
- ;; Merge new articles with marked
- (setq articles (sort (append marked-articles articles) '<))
-
- (when articles
- ;; Parse them and see which articles we want to fetch.
- (setq gnus-newsgroup-dependencies
- (or gnus-newsgroup-dependencies
- (make-vector (length articles) 0)))
- (setq gnus-newsgroup-headers
- (or gnus-newsgroup-headers
- (gnus-get-newsgroup-headers-xover articles nil nil
- group)))
- ;; `gnus-agent-overview-buffer' may be killed for
- ;; timeout reason. If so, recreate it.
- (gnus-agent-create-buffer)
-
- ;; Figure out how to select articles in this group
- (setq category (gnus-group-category group))
-
- (setq predicate
- (gnus-get-predicate
- (or (gnus-group-find-parameter group 'agent-predicate t)
- (cadr category))))
-
- ;; If the selection predicate requires scoring, score each header
- (unless (memq predicate '(gnus-agent-true gnus-agent-false))
- (let ((score-param
- (or (gnus-group-get-parameter group 'agent-score t)
- (caddr category))))
- ;; Translate score-param into real one
- (cond
- ((not score-param))
- ((eq score-param 'file)
- (setq score-param (gnus-all-score-files group)))
- ((stringp (car score-param)))
- (t
- (setq score-param (list (list score-param)))))
- (when score-param
- (gnus-score-headers score-param))))
-
- (unless (and (eq predicate 'gnus-agent-false)
- (not marked-articles))
- (let ((arts (list nil)))
- (let ((arts-tail arts)
- (alist (gnus-agent-load-alist group))
- (marked-articles marked-articles)
- (gnus-newsgroup-headers gnus-newsgroup-headers))
- (while (setq gnus-headers (pop gnus-newsgroup-headers))
- (let ((num (mail-header-number gnus-headers)))
- ;; Determine if this article is already in the cache
- (while (and alist
- (> num (caar alist)))
- (setq alist (cdr alist)))
-
- (unless (and (eq num (caar alist))
- (cdar alist))
-
- ;; Determine if this article was marked for download.
- (while (and marked-articles
- (> num (car marked-articles)))
- (setq marked-articles
- (cdr marked-articles)))
-
- ;; When this article is marked, or selected by the
- ;; predicate, add it to the download list
- (when (or (eq num (car marked-articles))
- (let ((gnus-score
- (or (cdr
- (assq num gnus-newsgroup-scored))
- gnus-summary-default-score)))
- (funcall predicate)))
- (gnus-agent-append-to-list arts-tail num))))))
-
- (let (fetched-articles)
- ;; Fetch all selected articles
- (setq gnus-newsgroup-undownloaded
- (gnus-sorted-ndifference
- gnus-newsgroup-undownloaded
- (setq fetched-articles
- (if (cdr arts)
- (gnus-agent-fetch-articles group (cdr arts))
- nil))))
-
- (let ((unfetched-articles
- (gnus-sorted-ndifference (cdr arts) fetched-articles)))
- (if gnus-newsgroup-active
- ;; Update the summary buffer
- (progn
- (dolist (article marked-articles)
- (when (gnus-summary-goto-subject article nil t)
- (gnus-summary-set-agent-mark article t)))
- (dolist (article fetched-articles)
- (if gnus-agent-mark-unread-after-downloaded
- (gnus-summary-mark-article
- article gnus-unread-mark))
- (when (gnus-summary-goto-subject article nil t)
- (gnus-summary-update-download-mark article)))
- (dolist (article unfetched-articles)
- (gnus-summary-mark-article
- article gnus-canceled-mark)))
-
- ;; Update the group buffer.
-
- ;; When some, or all, of the marked articles came
- ;; from the download mark. Remove that mark. I
- ;; didn't do this earlier as I only want to remove
- ;; the marks after the fetch is completed.
-
- (dolist (mark gnus-agent-download-marks)
- (when (eq mark 'download)
- (let ((marked-arts
- (assq mark (gnus-info-marks
- (setq info (gnus-get-info group))))))
- (when (cdr marked-arts)
- (setq marks
- (delq marked-arts (gnus-info-marks info)))
- (gnus-info-set-marks info marks)))))
- (let ((read (gnus-info-read
- (or info (setq info (gnus-get-info group))))))
- (gnus-info-set-read
- info (gnus-add-to-range read unfetched-articles)))
-
- (gnus-group-update-group group t)
- (sit-for 0)
-
- (gnus-dribble-enter
- (concat "(gnus-group-set-info '"
- (gnus-prin1-to-string info)
- ")"))))))))))))
+ (when (and (or (gnus-active group) (gnus-activate-group group))
+ (setq articles (gnus-agent-fetch-headers group)))
+ ;; Parse them and see which articles we want to fetch.
+ (setq gnus-newsgroup-dependencies
+ (make-vector (length articles) 0))
+ (setq gnus-newsgroup-headers
+ (gnus-get-newsgroup-headers-xover articles nil nil group))
+ (setq category (gnus-group-category group))
+ (setq predicate
+ (gnus-get-predicate
+ (or (gnus-group-get-parameter group 'agent-predicate)
+ (cadr category))))
+ (setq score-param
+ (or (gnus-group-get-parameter group 'agent-score)
+ (caddr category)))
+ (when score-param
+ (gnus-score-headers (list (list score-param))))
+ (setq arts nil)
+ (while (setq gnus-headers (pop gnus-newsgroup-headers))
+ (setq gnus-score
+ (or (cdr (assq (mail-header-number gnus-headers)
+ gnus-newsgroup-scored))
+ gnus-summary-default-score))
+ (when (funcall predicate)
+ (push (mail-header-number gnus-headers)
+ arts)))
+ ;; Fetch the articles.
+ (when arts
+ (gnus-agent-fetch-articles group arts)))
+ ;; Perhaps we have some additional articles to fetch.
+ (setq arts (assq 'download (gnus-info-marks
+ (setq info (gnus-get-info group)))))
+ (when (cdr arts)
+ (gnus-agent-fetch-articles
+ group (gnus-uncompress-range (cdr arts)))
+ (setq marks (delq arts (gnus-info-marks info)))
+ (gnus-info-set-marks info marks))))
;;;
;;; Agent Category Mode
"Hook run in `gnus-category-mode' buffers.")
(defvar gnus-category-line-format " %(%20c%): %g\n"
- "Format of category lines.
-
-Valid specifiers include:
-%c Topic name (string)
-%g The number of groups in the topic (integer)
-
-General format specifiers can also be used. See Info node
-`(gnus)Formatting Variables'.")
+ "Format of category lines.")
(defvar gnus-category-mode-line-format "Gnus: %%b"
"The format specification for the category mode line.")
All normal editing commands are switched off.
\\<gnus-category-mode-map>
For more in-depth information on this mode, read the manual
-\(`\\[gnus-info-find-node]').
+(`\\[gnus-info-find-node]').
The following commands are available:
(gnus-set-default-directory)
(setq mode-line-process nil)
(use-local-map gnus-category-mode-map)
- (buffer-disable-undo)
+ (buffer-disable-undo (current-buffer))
(setq truncate-lines t)
(setq buffer-read-only t)
(gnus-run-hooks 'gnus-category-mode-hook))
(defalias 'gnus-category-position-point 'gnus-goto-colon)
(defun gnus-category-insert-line (category)
- (let* ((gnus-tmp-name (format "%s" (car category)))
+ (let* ((gnus-tmp-name (car category))
(gnus-tmp-groups (length (cadddr category))))
(beginning-of-line)
(gnus-add-text-properties
(gnus-category-position-point)))
(defun gnus-category-name ()
- (or (intern (get-text-property (gnus-point-at-bol) 'gnus-category))
+ (or (get-text-property (gnus-point-at-bol) 'gnus-category)
(error "No category on the current line")))
(defun gnus-category-read ()
(or (gnus-agent-read-file
(nnheader-concat gnus-agent-directory "lib/categories"))
(list (list 'default 'short nil nil)))))
-
+
(defun gnus-category-write ()
"Write the category alist."
(setq gnus-category-predicate-cache nil
gnus-category-group-cache nil)
- (gnus-make-directory (nnheader-concat gnus-agent-directory "lib"))
- (with-temp-file (nnheader-concat gnus-agent-directory "lib/categories")
+ (nnheader-temp-write (nnheader-concat gnus-agent-directory "lib/categories")
(prin1 gnus-category-alist (current-buffer))))
(defun gnus-category-edit-predicate (category)
(gnus-edit-form
(cadr info) (format "Editing the predicate for category %s" category)
`(lambda (predicate)
- (setcar (cdr (assq ',category gnus-category-alist)) predicate)
+ (setf (cadr (assq ',category gnus-category-alist)) predicate)
(gnus-category-write)
(gnus-category-list)))))
-
+
(defun gnus-category-edit-score (category)
"Edit the score expression for CATEGORY."
(interactive (list (gnus-category-name)))
(caddr info)
(format "Editing the score expression for category %s" category)
`(lambda (groups)
- (setcar (cddr (assq ',category gnus-category-alist)) groups)
+ (setf (caddr (assq ',category gnus-category-alist)) groups)
(gnus-category-write)
(gnus-category-list)))))
(gnus-edit-form
(cadddr info) (format "Editing the group list for category %s" category)
`(lambda (groups)
- (setcar (nthcdr 3 (assq ',category gnus-category-alist)) groups)
+ (setf (cadddr (assq ',category gnus-category-alist)) groups)
(gnus-category-write)
(gnus-category-list)))))
(let ((info (assq category gnus-category-alist))
(buffer-read-only nil))
(gnus-delete-line)
- (setq gnus-category-alist (delq info gnus-category-alist))
- (gnus-category-write)))
+ (gnus-category-write)
+ (setq gnus-category-alist (delq info gnus-category-alist))))
(defun gnus-category-copy (category to)
"Copy the current category."
(interactive "SCategory name: ")
(when (assq category gnus-category-alist)
(error "Category %s already exists" category))
- (push (list category 'false nil nil)
+ (push (list category 'true nil nil)
gnus-category-alist)
(gnus-category-write)
(gnus-category-list))
(long . gnus-agent-long-p)
(low . gnus-agent-low-scored-p)
(high . gnus-agent-high-scored-p)
- (read . gnus-agent-read-p)
(true . gnus-agent-true)
(false . gnus-agent-false))
"Mapping from short score predicate symbols to predicate functions.")
"Say whether an article has a high score or not."
(> gnus-score gnus-agent-high-score))
-(defun gnus-agent-read-p ()
- "Say whether an article is read or not."
- (gnus-member-of-range (mail-header-number gnus-headers)
- (gnus-info-read (gnus-get-info gnus-newsgroup-name))))
-
(defun gnus-category-make-function (cat)
"Make a function from category CAT."
- (let ((func (gnus-category-make-function-1 cat)))
- (if (and (= (length func) 1)
- (symbolp (car func)))
- (car func)
- (gnus-byte-compile `(lambda () ,func)))))
+ `(lambda () ,(gnus-category-make-function-1 cat)))
(defun gnus-agent-true ()
"Return t."
(defun gnus-agent-false ()
"Return nil."
nil)
-
+
(defun gnus-category-make-function-1 (cat)
"Make a function from category CAT."
(cond
(defun gnus-get-predicate (predicate)
"Return the predicate for CATEGORY."
(or (cdr (assoc predicate gnus-category-predicate-cache))
- (let ((func (gnus-category-make-function predicate)))
- (setq gnus-category-predicate-cache
- (nconc gnus-category-predicate-cache
- (list (cons predicate func))))
- func)))
-
-(defun gnus-predicate-implies-unread (predicate)
- "Say whether PREDICATE implies unread articles only.
-It is okay to miss some cases, but there must be no false positives.
-That is, if this function returns true, then indeed the predicate must
-return only unread articles."
- ;; Todo: make this work in more cases.
- (equal predicate '(not read)))
+ (cdar (push (cons predicate
+ (gnus-category-make-function predicate))
+ gnus-category-predicate-cache))))
(defun gnus-group-category (group)
"Return the category GROUP belongs to."
(or (gnus-gethash group gnus-category-group-cache)
(assq 'default gnus-category-alist)))
-(defun gnus-agent-expire-2 (expiring-group active articles overview day force
- dir)
- (gnus-agent-load-alist expiring-group)
- (gnus-message 5 "Expiring articles in %s" expiring-group)
- (let* ((info (gnus-get-info expiring-group))
- (alist gnus-agent-article-alist)
- (specials (if alist
- (list (caar (last alist)))))
- (unreads ;; Articles that are excluded from the expiration process
- (cond (gnus-agent-expire-all
- ;; All articles are marked read by global decree
- nil)
- ((eq articles t)
- ;; All articles are marked read by function parameter
- nil)
- ((not articles)
- ;; Unread articles are marked protected from
- ;; expiration Don't call gnus-list-of-unread-articles
- ;; as it returns articles that have not been fetched
- ;; into the agent.
- (ignore-errors (gnus-agent-unread-articles expiring-group)))
- (t
- ;; All articles EXCEPT those named by the caller are
- ;; protected from expiration
- (gnus-sorted-difference
- (gnus-uncompress-range
- (cons (caar alist) (caar (last alist))))
- (sort articles '<)))))
- (marked ;; More articles that are exluded from the expiration process
- (cond (gnus-agent-expire-all
- ;; All articles are unmarked by global decree
- nil)
- ((eq articles t)
- ;; All articles are unmarked by function parameter
- nil)
- (articles
- ;; All articles may as well be unmarked as the
- ;; unreads list already names the articles we are
- ;; going to keep
- nil)
- (t
- ;; Ticked and/or dormant articles are excluded from expiration
- (nconc
- (gnus-uncompress-range
- (cdr (assq 'tick (gnus-info-marks info))))
- (gnus-uncompress-range
- (cdr (assq 'dormant
- (gnus-info-marks info))))))))
- (nov-file (concat dir ".overview"))
- (cnt 0)
- (completed -1)
- dlist
- type)
-
- ;; The normal article alist contains
- ;; elements that look like (article# .
- ;; fetch_date) I need to combine other
- ;; information with this list. For
- ;; example, a flag indicating that a
- ;; particular article MUST BE KEPT. To
- ;; do this, I'm going to transform the
- ;; elements to look like (article#
- ;; fetch_date keep_flag
- ;; NOV_entry_marker) Later, I'll reverse
- ;; the process to generate the expired
- ;; article alist.
-
- ;; Convert the alist elements to
- ;; (article# fetch_date nil nil).
- (setq dlist (mapcar (lambda (e) (list (car e) (cdr e) nil nil)) alist))
-
- ;; Convert the keep lists to elements
- ;; that look like (article# nil
- ;; keep_flag nil) then append it to the
- ;; expanded dlist These statements are
- ;; sorted by ascending precidence of the
- ;; keep_flag.
- (setq dlist (nconc dlist (mapcar (lambda (e)
- (list e nil 'unread nil)) unreads)))
- (setq dlist (nconc dlist (mapcar (lambda (e)
- (list e nil 'marked nil)) marked)))
- (setq dlist (nconc dlist (mapcar (lambda (e)
- (list e nil 'special nil)) specials)))
-
- (set-buffer overview)
- (erase-buffer)
- (when (file-exists-p nov-file)
- (gnus-message 7 "gnus-agent-expire: Loading overview...")
- (nnheader-insert-file-contents nov-file)
- (goto-char (point-min))
-
- (let (p)
- (while (< (setq p (point)) (point-max))
- (condition-case nil
- ;; If I successfully read an
- ;; integer (the plus zero
- ;; ensures a numeric type),
- ;; prepend a marker entry to
- ;; the list
- (push (list (+ 0 (read (current-buffer))) nil nil
- (set-marker (make-marker) p)) dlist)
- (error
- (gnus-message 1 (concat "gnus-agent-expire: read error occurred "
- "when reading expression at %s in %s. "
- "Skipping to next line.")
- (point) nov-file)))
- ;; Whether I succeeded, or failed,
- ;; it doesn't matter. Move to the
- ;; next line then try again.
- (forward-line 1)))
- (gnus-message 7 "gnus-agent-expire: Loading overview... Done"))
- (set-buffer-modified-p nil)
-
- ;; At this point, all of the information
- ;; is in dlist. The only problem is
- ;; that much of it is spread across
- ;; multiple entries. Sort then MERGE!!
- (gnus-message 7 "gnus-agent-expire: Sorting entries... ")
- ;; If two entries have the same
- ;; article-number then sort by ascending
- ;; keep_flag.
- (let ((special 0)
- (marked 1)
- (unread 2))
- (setq dlist
- (sort dlist
- (lambda (a b)
- (cond ((< (nth 0 a) (nth 0 b))
- t)
- ((> (nth 0 a) (nth 0 b))
- nil)
- (t
- (let ((a (or (symbol-value (nth 2 a)) 3))
- (b (or (symbol-value (nth 2 b)) 3)))
- (<= a b))))))))
- (gnus-message 7 "gnus-agent-expire: Sorting entries... Done")
- (gnus-message 7 "gnus-agent-expire: Merging entries... ")
- (let ((dlist dlist))
- (while (cdr dlist) ; I'm not at the end-of-list
- (if (eq (caar dlist) (caadr dlist))
- (let ((first (cdr (car dlist)))
- (secnd (cdr (cadr dlist))))
- (setcar first (or (car first) (car secnd))) ; fetch_date
- (setq first (cdr first)
- secnd (cdr secnd))
- (setcar first (or (car first) (car secnd))) ; Keep_flag
- (setq first (cdr first)
- secnd (cdr secnd))
- (setcar first (or (car first) (car secnd))) ; NOV_entry_marker
-
- (setcdr dlist (cddr dlist)))
- (setq dlist (cdr dlist)))))
- (gnus-message 7 "gnus-agent-expire: Merging entries... Done")
-
- (let* ((len (float (length dlist)))
- (alist (list nil))
- (tail-alist alist))
- (while dlist
- (let ((new-completed (truncate (* 100.0 (/ (setq cnt (1+ cnt)) len)))))
- (when (> new-completed completed)
- (setq completed new-completed)
- (gnus-message 9 "%3d%% completed..." completed)))
- (let* ((entry (car dlist))
- (article-number (nth 0 entry))
- (fetch-date (nth 1 entry))
- (keep (nth 2 entry))
- (marker (nth 3 entry)))
-
- (cond
- ;; Kept articles are unread, marked, or special.
- (keep
- (when fetch-date
- (unless (file-exists-p (concat dir (number-to-string
- article-number)))
- (setf (nth 1 entry) nil)
- (gnus-message 3 (concat "gnus-agent-expire cleared download "
- "flag on article %d as the cached "
- "article file is missing.")
- (caar dlist)))
- (unless marker
- (gnus-message 1 (concat "gnus-agent-expire detected a "
- "missing NOV entry. Run "
- "gnus-agent-regenerate-group to "
- "restore it."))))
- (gnus-agent-append-to-list tail-alist (cons article-number fetch-date)))
-
- ;; The following articles are READ, UNMARKED, and ORDINARY.
- ;; See if they can be EXPIRED!!!
- ((setq type
- (cond
- ((not (integerp fetch-date))
- 'read) ;; never fetched article (may expire right now)
- ((not (file-exists-p (concat dir (number-to-string
- article-number))))
- (setf (nth 1 entry) nil)
- 'externally-expired) ;; Can't find the cached
- ;; article. Handle case as
- ;; though this article was
- ;; never fetched.
-
- ;; We now have the arrival day, so we see
- ;; whether it's old enough to be expired.
- ((< fetch-date day)
- 'expired)
- (force
- 'forced)))
-
- ;; I found some reason to expire this entry.
-
- (let ((actions nil))
- (when (memq type '(forced expired))
- (ignore-errors ; Just being paranoid.
- (delete-file (concat dir (number-to-string article-number)))
- (push "expired cached article" actions))
- (setf (nth 1 entry) nil))
-
- (when marker
- (push "NOV entry removed" actions)
- (goto-char marker)
- (gnus-delete-line))
-
- ;; If considering all articles is set, I can only expire
- ;; article IDs that are no longer in the active range.
- (if (and gnus-agent-consider-all-articles
- (>= article-number (car active)))
- ;; I have to keep this ID in the alist
- (gnus-agent-append-to-list tail-alist
- (cons article-number fetch-date))
- (push (format "Removed %s article number from article alist"
- type) actions))
-
- (gnus-message 7 "gnus-agent-expire: Article %d: %s"
- article-number (mapconcat 'identity
- actions ", "))))
- (t
- (gnus-agent-append-to-list tail-alist (cons article-number fetch-date)))
- )
-
- ;; Clean up markers as I want to recycle this buffer over
- ;; several groups.
- (when marker
- (set-marker marker nil))
-
- (setq dlist (cdr dlist))))
-
- (setq alist (cdr alist))
-
- (let ((inhibit-quit t))
- (unless (equal alist gnus-agent-article-alist)
- (setq gnus-agent-article-alist alist)
- (gnus-agent-save-alist expiring-group))
-
- (when (buffer-modified-p)
- (let ((coding-system-for-write
- gnus-agent-file-coding-system))
- (gnus-make-directory dir)
- (write-region (point-min) (point-max) nov-file nil 'silent)
- ;; clear the modified flag as that I'm not confused by its
- ;; status on the next pass through this routine.
- (set-buffer-modified-p nil)))
-
- (when (eq articles t)
- (gnus-summary-update-info))))))
-
-(defun gnus-agent-expire-1 (&optional articles group force)
- "Expire all old agent cached articles unconditionally.
-See `gnus-agent-expire'."
- (let ((methods (if group
- (list (gnus-find-method-for-group group))
- gnus-agent-covered-methods))
- (day (if (numberp gnus-agent-expire-days)
- (- (time-to-days (current-time)) gnus-agent-expire-days)
- nil))
- gnus-command-method sym arts pos
+(defun gnus-agent-expire ()
+ "Expire all old articles."
+ (interactive)
+ (let ((methods gnus-agent-covered-methods)
+ (day (- (gnus-time-to-day (current-time)) gnus-agent-expire-days))
+ gnus-command-method sym group articles
history overview file histories elem art nov-file low info
- unreads marked article orig lowest highest found days)
+ unreads marked article)
(save-excursion
(setq overview (gnus-get-buffer-create " *expire overview*"))
- (unwind-protect
- (while (setq gnus-command-method (pop methods))
- (when (file-exists-p (gnus-agent-lib-file "active"))
- (with-temp-buffer
- (nnheader-insert-file-contents
- (gnus-agent-lib-file "active"))
- (gnus-active-to-gnus-format
- gnus-command-method
- (setq orig (gnus-make-hashtable
- (count-lines (point-min) (point-max))))))
- (dolist (expiring-group (gnus-groups-from-server
- gnus-command-method))
- (if (or (not group)
- (equal group expiring-group))
- (let* ((dir (concat
- (gnus-agent-directory)
- (gnus-agent-group-path expiring-group)
- "/"))
- (active
- (gnus-gethash-safe expiring-group orig))
- (day (if (numberp day)
- day
- (let (found
- (days gnus-agent-expire-days))
- (catch 'found
- (while (and (not found) days)
- (when (eq 0 (string-match
- (caar days)
- expiring-group))
- (throw 'found (- (time-to-days
- (current-time))
- (cadar days))))
- (pop days))
- ;; No regexp matched so set
- ;; a limit that will block
- ;; expiration in this group.
- 0)))))
-
- (when active
- (gnus-agent-expire-2 expiring-group active
- articles overview day force
- dir)))))))
- (kill-buffer overview)))))
-
-(defun gnus-agent-expire (&optional articles group force)
- "Expire all old agent cached articles.
-If you want to force expiring of certain articles, this function can
-take ARTICLES, GROUP and FORCE parameters as well.
-
-The articles on which the expiration process runs are selected as follows:
- if ARTICLES is null, all read and unmarked articles.
- if ARTICLES is t, all articles.
- if ARTICLES is a list, just those articles.
-Setting GROUP will limit expiration to that group.
-FORCE is equivalent to setting gnus-agent-expire-days to zero(0)."
- (interactive)
- (if (and (not gnus-agent-expire-days)
- (or (not (eq articles t))
- (yes-or-no-p (concat "Are you sure that you want to expire all "
- "articles in " (if group group
- "every agentized group")
- "."))))
- (gnus-agent-expire-1 articles group force)
- (gnus-message 4 "Expiry...done")))
+ (while (setq gnus-command-method (pop methods))
+ (let ((expiry-hashtb (gnus-make-hashtable 1023)))
+ (gnus-agent-open-history)
+ (set-buffer
+ (setq gnus-agent-current-history
+ (setq history (gnus-agent-history-buffer))))
+ (goto-char (point-min))
+ (when (> (buffer-size) 1)
+ (goto-char (point-min))
+ (while (not (eobp))
+ (skip-chars-forward "^\t")
+ (if (> (read (current-buffer)) day)
+ ;; New article; we don't expire it.
+ (forward-line 1)
+ ;; Old article. Schedule it for possible nuking.
+ (while (not (eolp))
+ (setq sym (let ((obarray expiry-hashtb))
+ (read (current-buffer))))
+ (if (boundp sym)
+ (set sym (cons (cons (read (current-buffer)) (point))
+ (symbol-value sym)))
+ (set sym (list (cons (read (current-buffer)) (point)))))
+ (skip-chars-forward " "))
+ (forward-line 1)))
+ ;; We now have all articles that can possibly be expired.
+ (mapatoms
+ (lambda (sym)
+ (setq group (symbol-name sym)
+ articles (sort (symbol-value sym) 'car-less-than-car)
+ low (car (gnus-active group))
+ info (gnus-get-info group)
+ unreads (ignore-errors (gnus-list-of-unread-articles group))
+ marked (nconc (gnus-uncompress-range
+ (cdr (assq 'tick (gnus-info-marks info))))
+ (gnus-uncompress-range
+ (cdr (assq 'dormant
+ (gnus-info-marks info)))))
+ nov-file (gnus-agent-article-name ".overview" group))
+ (gnus-agent-load-alist group)
+ (gnus-message 5 "Expiring articles in %s" group)
+ (set-buffer overview)
+ (erase-buffer)
+ (when (file-exists-p nov-file)
+ (nnheader-insert-file-contents nov-file))
+ (goto-char (point-min))
+ (setq article 0)
+ (while (setq elem (pop articles))
+ (setq article (car elem))
+ (when (or (null low)
+ (< article low)
+ gnus-agent-expire-all
+ (and (not (memq article unreads))
+ (not (memq article marked))))
+ ;; Find and nuke the NOV line.
+ (while (and (not (eobp))
+ (or (not (numberp
+ (setq art (read (current-buffer)))))
+ (< art article)))
+ (if (file-exists-p
+ (gnus-agent-article-name
+ (number-to-string art) group))
+ (forward-line 1)
+ ;; Remove old NOV lines that have no articles.
+ (gnus-delete-line)))
+ (if (or (eobp)
+ (/= art article))
+ (beginning-of-line)
+ (gnus-delete-line))
+ ;; Nuke the article.
+ (when (file-exists-p (setq file (gnus-agent-article-name
+ (number-to-string article)
+ group)))
+ (delete-file file))
+ ;; Schedule the history line for nuking.
+ (push (cdr elem) histories)))
+ (gnus-make-directory (file-name-directory nov-file))
+ (write-region-as-coding-system
+ gnus-agent-file-coding-system
+ (point-min) (point-max) nov-file nil 'silent)
+ ;; Delete the unwanted entries in the alist.
+ (setq gnus-agent-article-alist
+ (sort gnus-agent-article-alist 'car-less-than-car))
+ (let* ((alist gnus-agent-article-alist)
+ (prev (cons nil alist))
+ (first prev)
+ expired)
+ (while (and alist
+ (<= (caar alist) article))
+ (if (or (not (cdar alist))
+ (not (file-exists-p
+ (gnus-agent-article-name
+ (number-to-string
+ (caar alist))
+ group))))
+ (progn
+ (push (caar alist) expired)
+ (setcdr prev (setq alist (cdr alist))))
+ (setq prev alist
+ alist (cdr alist))))
+ (setq gnus-agent-article-alist (cdr first))
+ ;;; Mark all articles up to the first article
+ ;;; in `gnus-article-alist' as read.
+ (when (and info (caar gnus-agent-article-alist))
+ (setcar (nthcdr 2 info)
+ (gnus-range-add
+ (nth 2 info)
+ (cons 1 (- (caar gnus-agent-article-alist) 1)))))
+ ;; Maybe everything has been expired from `gnus-article-alist'
+ ;; and so the above marking as read could not be conducted,
+ ;; or there are expired article within the range of the alist.
+ (when (and (car expired)
+ (or (not (caar gnus-agent-article-alist))
+ (> (car expired)
+ (caar gnus-agent-article-alist))) )
+ (setcar (nthcdr 2 info)
+ (gnus-add-to-range
+ (nth 2 info)
+ (nreverse expired))))
+ (gnus-dribble-enter
+ (concat "(gnus-group-set-info '"
+ (gnus-prin1-to-string info)
+ ")"))))
+ expiry-hashtb)
+ (set-buffer history)
+ (setq histories (nreverse (sort histories '<)))
+ (while histories
+ (goto-char (pop histories))
+ (gnus-delete-line))
+ (gnus-agent-save-history)
+ (gnus-agent-close-history))
+ (gnus-message 4 "Expiry...done"))))))
;;;###autoload
(defun gnus-agent-batch ()
- "Start Gnus, send queue and fetch session."
(interactive)
(let ((init-file-user "")
(gnus-always-read-dribble-file t))
(gnus))
- (let ((gnus-agent-confirmation-function 'gnus-agent-batch-confirmation))
- (gnus-group-send-queue)
- (gnus-agent-fetch-session)))
-
-(defun gnus-agent-unread-articles (group)
- (let* ((read (gnus-info-read (gnus-get-info group)))
- (known (gnus-agent-load-alist group))
- (unread (list nil))
- (tail-unread unread))
- (while (and known read)
- (let ((candidate (car (pop known))))
- (while (let* ((range (car read))
- (min (if (numberp range) range (car range)))
- (max (if (numberp range) range (cdr range))))
- (cond ((or (not min)
- (< candidate min))
- (gnus-agent-append-to-list tail-unread candidate)
- nil)
- ((> candidate max)
- (pop read)))))))
- (while known
- (gnus-agent-append-to-list tail-unread (car (pop known))))
- (cdr unread)))
-
-(defun gnus-agent-uncached-articles (articles group &optional cached-header)
- "Restrict ARTICLES to numbers already fetched.
-Returns a sublist of ARTICLES that excludes thos article ids in GROUP
-that have already been fetched.
-If CACHED-HEADER is nil, articles are only excluded if the article itself
-has been fetched."
-
- ;; Logically equivalent to: (gnus-sorted-difference articles (mapcar
- ;; 'car gnus-agent-article-alist))
-
- ;; Functionally, I don't need to construct a temp list using mapcar.
-
- (if (gnus-agent-load-alist group)
- (let* ((ref gnus-agent-article-alist)
- (arts articles)
- (uncached (list nil))
- (tail-uncached uncached))
- (while (and ref arts)
- (let ((v1 (car arts))
- (v2 (caar ref)))
- (cond ((< v1 v2) ; the article (v1) does not appear in the reference list
- (gnus-agent-append-to-list tail-uncached v1)
- (pop arts))
- ((= v1 v2)
- (unless (or cached-header (cdar ref)) ; the article (v1) is already cached
- (gnus-agent-append-to-list tail-uncached v1))
- (pop arts)
- (pop ref))
- (t ; the reference article (v2) preceeds the list being filtered
- (pop ref)))))
- (while arts
- (gnus-agent-append-to-list tail-uncached (pop arts)))
- (cdr uncached))
- ;; if gnus-agent-load-alist fails, no articles are cached.
- articles))
-
-(defun gnus-agent-retrieve-headers (articles group &optional fetch-old)
- (save-excursion
- (gnus-agent-create-buffer)
- (let ((gnus-decode-encoded-word-function 'identity)
- (file (gnus-agent-article-name ".overview" group))
- cached-articles uncached-articles)
- (gnus-make-directory (nnheader-translate-file-chars
- (file-name-directory file) t))
-
- ;; Populate temp buffer with known headers
- (when (file-exists-p file)
- (with-current-buffer gnus-agent-overview-buffer
- (erase-buffer)
- (let ((nnheader-file-coding-system
- gnus-agent-file-coding-system))
- (nnheader-insert-nov-file file (car articles)))))
-
- (if (setq uncached-articles (gnus-agent-uncached-articles articles group t))
- (progn
- ;; Populate nntp-server-buffer with uncached headers
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (let (gnus-agent-cache) ; Turn off agent cache
- (cond ((not (eq 'nov (gnus-retrieve-headers
- uncached-articles group fetch-old)))
- (nnvirtual-convert-headers))
- ((eq 'nntp (car gnus-current-select-method))
- ;; The author of gnus-get-newsgroup-headers-xover
- ;; reports that the XOVER command is commonly
- ;; unreliable. The problem is that recently
- ;; posted articles may not be entered into the
- ;; NOV database in time to respond to my XOVER
- ;; query.
- ;;
- ;; I'm going to use his assumption that the NOV
- ;; database is updated in order of ascending
- ;; article ID. Therefore, a response containing
- ;; article ID N implies that all articles from 1
- ;; to N-1 are up-to-date. Therefore, missing
- ;; articles in that range have expired.
-
- (set-buffer nntp-server-buffer)
- (let* ((fetched-articles (list nil))
- (tail-fetched-articles fetched-articles)
- (min (cond ((numberp fetch-old)
- (max 1 (- (car articles) fetch-old)))
- (fetch-old
- 1)
- (t
- (car articles))))
- (max (car (last articles))))
-
- ;; Get the list of articles that were fetched
- (goto-char (point-min))
- (let ((pm (point-max)))
- (while (< (point) pm)
- (when (looking-at "[0-9]+\t")
- (gnus-agent-append-to-list tail-fetched-articles (read (current-buffer))))
- (forward-line 1)))
-
- ;; Clip this list to the headers that will
- ;; actually be returned
- (setq fetched-articles (gnus-list-range-intersection
- (cdr fetched-articles)
- (cons min max)))
-
- ;; Clip the uncached articles list to exclude
- ;; IDs after the last FETCHED header. The
- ;; excluded IDs may be fetchable using HEAD.
- (if (car tail-fetched-articles)
- (setq uncached-articles (gnus-list-range-intersection
- uncached-articles
- (cons (car uncached-articles) (car tail-fetched-articles)))))
-
- ;; Create the list of articles that were
- ;; "successfully" fetched. Success, in this
- ;; case, means that the ID should not be
- ;; fetched again. In the case of an expired
- ;; article, the header will not be fetched.
- (setq uncached-articles (gnus-sorted-nunion fetched-articles uncached-articles))
- ))))
-
- ;; Erase the temp buffer
- (set-buffer gnus-agent-overview-buffer)
- (erase-buffer)
-
- ;; Copy the nntp-server-buffer to the temp buffer
- (set-buffer nntp-server-buffer)
- (copy-to-buffer gnus-agent-overview-buffer (point-min) (point-max))
-
- ;; Merge the temp buffer with the known headers (found on
- ;; disk in FILE) into the nntp-server-buffer
- (when (and uncached-articles (file-exists-p file))
- (gnus-agent-braid-nov group uncached-articles file))
-
- ;; Save the new set of known headers to FILE
- (set-buffer nntp-server-buffer)
- (let ((coding-system-for-write
- gnus-agent-file-coding-system))
- (gnus-agent-check-overview-buffer)
- (write-region (point-min) (point-max) file nil 'silent))
-
- ;; Update the group's article alist to include the newly
- ;; fetched articles.
- (gnus-agent-load-alist group)
- (gnus-agent-save-alist group uncached-articles nil)
- )
-
- ;; Copy the temp buffer to the nntp-server-buffer
- (set-buffer nntp-server-buffer)
- (erase-buffer)
- (insert-buffer-substring gnus-agent-overview-buffer)))
-
- (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)
-
- 'nov))
-
-(defun gnus-agent-request-article (article group)
- "Retrieve ARTICLE in GROUP from the agent cache."
- (let* ((gnus-command-method (gnus-find-method-for-group group))
- (file (concat
- (gnus-agent-directory)
- (gnus-agent-group-path group) "/"
- (number-to-string article)))
- (buffer-read-only nil))
- (when (and (file-exists-p file)
- (> (nth 7 (file-attributes file)) 0))
- (erase-buffer)
- (gnus-kill-all-overlays)
- (let ((coding-system-for-read gnus-cache-coding-system))
- (insert-file-contents file))
- t)))
-
-(defun gnus-agent-regenerate-group (group &optional reread)
- "Regenerate GROUP.
-If REREAD is t, all articles in the .overview are marked as unread.
-If REREAD is not nil, downloaded articles are marked as unread."
- (interactive (list (let ((def (or (gnus-group-group-name)
- gnus-newsgroup-name)))
- (let ((select (read-string (if def (concat "Group Name (" def "): ")
- "Group Name: "))))
- (if (and (equal "" select)
- def)
- def
- select)))
- (intern-soft (read-string "Reread (nil)? (t=>all, nil=>none, some=>all downloaded): "))))
- (gnus-message 5 "Regenerating in %s" group)
- (let* ((gnus-command-method (or gnus-command-method
- (gnus-find-method-for-group group)))
- (file (gnus-agent-article-name ".overview" group))
- (dir (file-name-directory file))
- point
- (downloaded (if (file-exists-p dir)
- (sort (mapcar (lambda (name) (string-to-int name))
- (directory-files dir nil "^[0-9]+$" t))
- '>)
- (progn (gnus-make-directory dir) nil)))
- dl nov-arts
- alist header
- regenerated)
-
- (mm-with-unibyte-buffer
- (if (file-exists-p file)
- (let ((nnheader-file-coding-system
- gnus-agent-file-coding-system))
- (nnheader-insert-file-contents file)))
- (set-buffer-modified-p nil)
-
- ;; Load the article IDs found in the overview file. As a
- ;; side-effect, validate the file contents.
- (let ((load t))
- (while load
- (setq load nil)
- (goto-char (point-min))
- (while (< (point) (point-max))
- (cond ((looking-at "[0-9]+\t")
- (push (read (current-buffer)) nov-arts)
- (forward-line 1)
- (let ((l1 (car nov-arts))
- (l2 (cadr nov-arts)))
- (cond ((not l2)
- nil)
- ((< l1 l2)
- (gnus-message 3 "gnus-agent-regenerate-group: NOV entries are NOT in ascending order.")
- ;; Don't sort now as I haven't verified
- ;; that every line begins with a number
- (setq load t))
- ((= l1 l2)
- (forward-line -1)
- (gnus-message 4 "gnus-agent-regenerate-group: NOV entries contained duplicate of article %s. Duplicate deleted." l1)
- (gnus-delete-line)
- (pop nov-arts)))))
- (t
- (gnus-message 1 "gnus-agent-regenerate-group: NOV entries contained line that did not begin with an article number. Deleted line.")
- (gnus-delete-line))))
- (if load
- (progn
- (gnus-message 5 "gnus-agent-regenerate-group: Sorting NOV entries into ascending order.")
- (sort-numeric-fields 1 (point-min) (point-max))
- (setq nov-arts nil)))))
- (gnus-agent-check-overview-buffer)
-
- ;; Construct a new article alist whose nodes match every header
- ;; in the .overview file. As a side-effect, missing headers are
- ;; reconstructed from the downloaded article file.
- (while (or downloaded nov-arts)
- (cond ((and downloaded
- (or (not nov-arts)
- (> (car downloaded) (car nov-arts))))
- ;; This entry is missing from the overview file
- (gnus-message 3 "Regenerating NOV %s %d..." group (car downloaded))
- (let ((file (concat dir (number-to-string (car downloaded)))))
- (mm-with-unibyte-buffer
- (nnheader-insert-file-contents file)
- (nnheader-remove-body)
- (setq header (nnheader-parse-naked-head)))
- (mail-header-set-number header (car downloaded))
- (if nov-arts
- (let ((key (concat "^" (int-to-string (car nov-arts)) "\t")))
- (or (re-search-backward key nil t)
- (re-search-forward key))
- (forward-line 1))
- (goto-char (point-min)))
- (nnheader-insert-nov header))
- (setq nov-arts (cons (car downloaded) nov-arts)))
- ((eq (car downloaded) (car nov-arts))
- ;; This entry in the overview has been downloaded
- (push (cons (car downloaded) (time-to-days (nth 5 (file-attributes (concat dir (number-to-string (car downloaded))))))) alist)
- (pop downloaded)
- (pop nov-arts))
- (t
- ;; This entry in the overview has not been downloaded
- (push (cons (car nov-arts) nil) alist)
- (pop nov-arts))))
-
- ;; When gnus-agent-consider-all-articles is set,
- ;; gnus-agent-regenerate-group should NOT remove article IDs from
- ;; the alist. Those IDs serve as markers to indicate that an
- ;; attempt has been made to fetch that article's header.
-
- ;; When gnus-agent-consider-all-articles is NOT set,
- ;; gnus-agent-regenerate-group can remove the article ID of every
- ;; article (with the exception of the last ID in the list - it's
- ;; special) that no longer appears in the overview. In this
- ;; situtation, the last article ID in the list implies that it,
- ;; and every article ID preceeding it, have been fetched from the
- ;; server.
- (if gnus-agent-consider-all-articles
- ;; Restore all article IDs that were not found in the overview file.
- (let* ((n (cons nil alist))
- (merged n)
- (o (gnus-agent-load-alist group)))
- (while o
- (let ((nID (caadr n))
- (oID (caar o)))
- (cond ((not nID)
- (setq n (setcdr n (list (list oID))))
- (pop o))
- ((< oID nID)
- (setcdr n (cons (list oID) (cdr n)))
- (pop o))
- ((= oID nID)
- (pop o)
- (pop n))
- (t
- (pop n)))))
- (setq alist (cdr merged)))
- ;; Restore the last article ID if it is not already in the new alist
- (let ((n (last alist))
- (o (last (gnus-agent-load-alist group))))
- (cond ((not n)
- (when o
- (push (cons (caar o) nil) alist)))
- ((< (caar n) (caar o))
- (setcdr n (list (car o)))))))
-
- (let ((inhibit-quit t))
- (if (setq regenerated (buffer-modified-p))
- (let ((coding-system-for-write gnus-agent-file-coding-system))
- (write-region (point-min) (point-max) file nil 'silent)))
-
- (setq regenerated (or regenerated
- (and reread gnus-agent-article-alist)
- (not (equal alist gnus-agent-article-alist)))
- )
-
- (setq gnus-agent-article-alist alist)
-
- (when regenerated
- (gnus-agent-save-alist group)))
- )
-
- (when (and reread gnus-agent-article-alist)
- (gnus-make-ascending-articles-unread
- group
- (delq nil (mapcar (function (lambda (c)
- (cond ((eq reread t)
- (car c))
- ((cdr c)
- (car c)))))
- gnus-agent-article-alist)))
-
- (when (gnus-buffer-live-p gnus-group-buffer)
- (gnus-group-update-group group t)
- (sit-for 0))
- )
-
- regenerated))
-
-;;;###autoload
-(defun gnus-agent-regenerate (&optional clean reread)
- "Regenerate all agent covered files.
-If CLEAN, don't read existing active files."
- (interactive "P")
- (let (regenerated)
- (gnus-message 4 "Regenerating Gnus agent files...")
- (dolist (gnus-command-method gnus-agent-covered-methods)
- (let ((active-file (gnus-agent-lib-file "active"))
- active-hashtb active-changed
- point)
- (gnus-make-directory (file-name-directory active-file))
- (if clean
- (setq active-hashtb (gnus-make-hashtable 1000))
- (mm-with-unibyte-buffer
- (if (file-exists-p active-file)
- (let ((nnheader-file-coding-system
- gnus-agent-file-coding-system))
- (nnheader-insert-file-contents active-file))
- (setq active-changed t))
- (gnus-active-to-gnus-format
- nil (setq active-hashtb
- (gnus-make-hashtable
- (count-lines (point-min) (point-max)))))))
- (dolist (group (gnus-groups-from-server gnus-command-method))
- (setq regenerated (or (gnus-agent-regenerate-group group reread)
- regenerated))
- (let ((min (or (caar gnus-agent-article-alist) 1))
- (max (or (caar (last gnus-agent-article-alist)) 0))
- (active (gnus-gethash-safe (gnus-group-real-name group)
- active-hashtb))
- (read (gnus-info-read (gnus-get-info group))))
- (if (not active)
- (progn
- (setq active (cons min max)
- active-changed t)
- (gnus-sethash group active active-hashtb))
- (when (> (car active) min)
- (setcar active min)
- (setq active-changed t))
- (when (< (cdr active) max)
- (setcdr active max)
- (setq active-changed t)))))
- (when active-changed
- (setq regenerated t)
- (gnus-message 4 "Regenerate %s" active-file)
- (let ((nnmail-active-file-coding-system gnus-agent-file-coding-system))
- (gnus-write-active-file active-file active-hashtb)))))
- (gnus-message 4 "Regenerating Gnus agent files...done")
- regenerated))
-
-(defun gnus-agent-go-online (&optional force)
- "Switch servers into online status."
- (interactive (list t))
- (dolist (server gnus-opened-servers)
- (when (eq (nth 1 server) 'offline)
- (if (if (eq force 'ask)
- (gnus-y-or-n-p
- (format "Switch %s:%s into online status? "
- (caar server) (cadar server)))
- force)
- (setcar (nthcdr 1 server) 'close)))))
-
-(defun gnus-agent-toggle-group-plugged (group)
- "Toggle the status of the server of the current group."
- (interactive (list (gnus-group-group-name)))
- (let* ((method (gnus-find-method-for-group group))
- (status (cadr (assoc method gnus-opened-servers))))
- (if (eq status 'offline)
- (gnus-server-set-status method 'closed)
- (gnus-close-server method)
- (gnus-server-set-status method 'offline))
- (message "Turn %s:%s from %s to %s." (car method) (cadr method)
- (if (eq status 'offline) 'offline 'online)
- (if (eq status 'offline) 'online 'offline))))
-
-(defun gnus-agent-group-covered-p (group)
- (member (gnus-group-method group)
- gnus-agent-covered-methods))
+ (gnus-group-send-drafts)
+ (gnus-agent-fetch-session))
(provide 'gnus-agent)
projects / elisp / gnus.git- / blobdiff