-;;; elmo-dop.el -- Modules for Disconnected Operations on ELMO.
+;;; elmo-dop.el --- Modules for Disconnected Operations on ELMO.
;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
;;
;;; Commentary:
-;;
+;;
;;; Code:
-;;
+;;
+(eval-when-compile (require 'cl))
(require 'elmo)
(require 'elmo-vars)
(defmacro elmo-make-dop-queue (fname method arguments)
"Make a dop queue."
- (` (vector (, fname) (, method) (, arguments))))
+ `(vector ,fname ,method ,arguments))
(defmacro elmo-dop-queue-fname (queue)
"Return the folder name string of the QUEUE."
- (` (aref (, queue) 0)))
+ `(aref ,queue 0))
(defmacro elmo-dop-queue-method (queue)
"Return the method symbol of the QUEUE."
- (` (aref (, queue) 1)))
+ `(aref ,queue 1))
(defmacro elmo-dop-queue-arguments (queue)
"Return the arguments of the QUEUE."
- (` (aref (, queue) 2)))
+ `(aref ,queue 2))
(defun elmo-dop-queue-append (folder method arguments)
"Append to disconnected operation queue."
method arguments)))
(setq elmo-dop-queue (nconc elmo-dop-queue (list queue)))))
+(defvar elmo-dop-queue-merge-method-list
+ '(elmo-folder-set-read-delayed
+ elmo-folder-unset-read-delayed
+ elmo-folder-set-important-delayed
+ elmo-folder-unset-important-delayed
+ elmo-folder-set-answered-delayed
+ elmo-folder-unset-answered-delayed))
+
(defvar elmo-dop-queue-method-name-alist
'((elmo-folder-append-buffer-dop-delayed . "Append")
(elmo-folder-delete-messages-dop-delayed . "Delete")
- (elmo-message-encache-dop . "Encache")
- (elmo-create-folder-dop . "Create")
- (elmo-folder-mark-as-read-dop . "Read")
- (elmo-folder-unmark-read-dop . "Unread")
- (elmo-folder-mark-as-important-dop . "Important")
- (elmo-folder-unmark-important-dop . "Unimportant")))
+ (elmo-message-encache . "Encache")
+ (elmo-folder-create-dop-delayed . "Create")
+ (elmo-folder-set-read-delayed . "Read")
+ (elmo-folder-unset-read-delayed . "Unread")
+ (elmo-folder-set-answered-delayed . "Answered")
+ (elmo-folder-unset-answered-delayed . "Unanswered")
+ (elmo-folder-set-important-delayed . "Important")
+ (elmo-folder-unset-important-delayed . "Unimportant")
+ (elmo-folder-set-flag . "Set flag")
+ (elmo-folder-unset-flag . "Unset flag")))
(defmacro elmo-dop-queue-method-name (queue)
`(cdr (assq (elmo-dop-queue-method ,queue)
elmo-dop-queue-method-name-alist)))
-(defun elmo-dop-queue-flush (&optional force)
- "Flush disconnected operations.
-If optional argument FORCE is non-nil, try flushing all operation queues
-even an operation concerns the unplugged folder."
+(defun elmo-dop-queue-flush ()
+ "Flush disconnected operations that consern plugged folders."
+ ;; obsolete
+ (unless (or (null elmo-dop-queue)
+ (vectorp (car elmo-dop-queue)))
+ (if (y-or-n-p "\
+Saved queue is old version(2.6). Clear all pending operations? ")
+ (progn
+ (setq elmo-dop-queue nil)
+ (message "All pending operations are cleared.")
+ (elmo-dop-queue-save))
+ (error "Please use 2.6 or earlier")))
(elmo-dop-queue-merge)
- (let ((queue elmo-dop-queue)
+ (let ((queue-all elmo-dop-queue)
+ queue
(count 0)
- folder
len)
- ;; obsolete
- (unless (or (null queue)
- (vectorp (car queue)))
- (when (y-or-n-p "Saved queue is old version(2.4). Clear all pending operations? ")
- (setq elmo-dop-queue nil)
- (message "All pending operations are cleared.")
- (elmo-dop-queue-save)))
+ (while queue-all
+ (if (elmo-folder-plugged-p
+ (elmo-get-folder (elmo-dop-queue-fname (car queue-all))))
+ (setq queue (append queue (list (car queue-all)))))
+ (setq queue-all (cdr queue-all)))
(setq count (length queue))
(when (> count 0)
(if (elmo-y-or-n-p
(progn
(apply (elmo-dop-queue-method (car queue))
(prog1
- (setq folder
- (elmo-make-folder
+ (setq folder
+ (elmo-get-folder
(elmo-dop-queue-fname (car queue))))
- (elmo-folder-open folder))
+ (elmo-folder-open folder)
+ (unless (elmo-folder-plugged-p folder)
+ (error "Unplugged")))
(elmo-dop-queue-arguments (car queue)))
(elmo-folder-close folder))
(quit (setq failure t))
(setq queue (cdr queue)))
(message "%d/%d operation(s) are performed successfully."
performed num)
- (sit-for 0) ;
+ (sit-for 0) ;
(elmo-dop-queue-save)))
- (if (elmo-y-or-n-p "Clear all pending operations? "
+ ;; when answer=NO against performing dop
+ (if (elmo-y-or-n-p "Clear these pending operations? "
(not elmo-dop-flush-confirm) t)
(progn
- (setq elmo-dop-queue nil)
- (message "All pending operations are cleared.")
+ (while queue
+ (when (eq (elmo-dop-queue-method (car queue))
+ 'elmo-folder-append-buffer-dop-delayed)
+ (elmo-folder-delete-messages
+ (elmo-dop-spool-folder
+ (elmo-get-folder (elmo-dop-queue-fname (car queue))))
+ (list (nth 1 (elmo-dop-queue-arguments (car queue))))))
+ (setq elmo-dop-queue (delq (car queue) elmo-dop-queue))
+ (setq queue (cdr queue)))
+ (message "Pending operations are cleared.")
(elmo-dop-queue-save))
(message "")))
count)))
-(defvar elmo-dop-merge-funcs nil)
(defun elmo-dop-queue-merge ()
- ;; XXXX Not implemented yet.
- )
+ (let ((queue elmo-dop-queue)
+ new-queue match-queue que)
+ (while (setq que (car queue))
+ (if (and
+ (memq (elmo-dop-queue-method que)
+ elmo-dop-queue-merge-method-list)
+ (setq match-queue
+ (car (delete
+ nil
+ (mapcar
+ (lambda (nqueue)
+ (if (and
+ (string= (elmo-dop-queue-fname que)
+ (elmo-dop-queue-fname nqueue))
+ (string= (elmo-dop-queue-method que)
+ (elmo-dop-queue-method nqueue)))
+ nqueue))
+ new-queue)))))
+ (setcar (elmo-dop-queue-arguments match-queue)
+ (append (car (elmo-dop-queue-arguments match-queue))
+ (car (elmo-dop-queue-arguments que))))
+ (setq new-queue (nconc new-queue (list que))))
+ (setq queue (cdr queue)) )
+ (setq elmo-dop-queue new-queue)))
;;; dop spool folder
-(defmacro elmo-dop-spool-folder (folder)
+(defsubst elmo-dop-spool-folder (folder)
"Return a spool folder for disconnected operations
which is corresponded to the FOLDER."
- (` (elmo-make-folder
- (concat "+" (expand-file-name "spool" (elmo-folder-msgdb-path
- (, folder)))))))
+ (elmo-make-folder
+ (concat "+" (expand-file-name "spool" (elmo-folder-msgdb-path folder)))
+ nil
+ (elmo-folder-mime-charset-internal folder)))
-(defun elmo-dop-spool-folder-append-buffer (folder)
+(defun elmo-dop-spool-folder-append-buffer (folder flags)
"Append current buffer content to the dop spool folder.
FOLDER is the folder structure.
Return a message number."
- (setq folder (elmo-dop-spool-folder folder))
- (unless (elmo-folder-exists-p folder)
- (elmo-folder-create folder))
- (let ((new-number (1+ (car (elmo-folder-status folder)))))
- ;; dop folder is a localdir folder.
- (write-region-as-binary (point-min) (point-max)
- (expand-file-name
- (int-to-string new-number)
- (elmo-localdir-folder-directory-internal folder))
- nil 'no-msg)
- new-number))
-
+ (let ((spool (elmo-dop-spool-folder folder)))
+ (unless (elmo-folder-exists-p spool)
+ (elmo-folder-create spool))
+ (let ((new-number (1+ (car (elmo-folder-status spool)))))
+ (elmo-folder-append-buffer spool flags new-number)
+ new-number)))
+
(defun elmo-dop-spool-folder-list-messages (folder)
"List messages in the dop spool folder.
'car
(car (elmo-dop-queue-arguments queue)))))))))
+(defun elmo-dop-filter-pending-messages (numbers)
+ (elmo-delete-if (lambda (number) (< number 0)) numbers))
+
;;; DOP operations.
-(defsubst elmo-folder-append-buffer-dop (folder unread &optional number)
+(defsubst elmo-folder-append-buffer-dop (folder &optional flag number)
(elmo-dop-queue-append
folder 'elmo-folder-append-buffer-dop-delayed
- (list unread
- (elmo-dop-spool-folder-append-buffer
- folder)
+ (list flag
+ (elmo-dop-spool-folder-append-buffer folder flag)
number)))
(defsubst elmo-folder-delete-messages-dop (folder numbers)
- (elmo-dop-queue-append folder 'elmo-folder-delete-messages-dop-delayed
- (list
- (mapcar
- (lambda (number)
- (cons number (elmo-message-field
- folder number 'message-id)))
- numbers)))
- t)
-
-(defsubst elmo-message-encache-dop (folder number)
- (elmo-dop-queue-append folder 'elmo-message-encache (list number)))
-
-(defsubst elmo-create-folder-dop (folder)
- (elmo-dop-queue-append folder 'elmo-folder-create nil))
-
-(defsubst elmo-folder-mark-as-read-dop (folder numbers)
- (elmo-dop-queue-append folder 'elmo-folder-mark-as-read (list numbers)))
-
-(defsubst elmo-folder-unmark-read-dop (folder numbers)
- (elmo-dop-queue-append folder 'elmo-folder-unmark-read (list numbers)))
-
-(defsubst elmo-folder-mark-as-important-dop (folder numbers)
- (elmo-dop-queue-append folder 'elmo-folder-mark-as-important (list numbers)))
-
-(defsubst elmo-folder-unmark-important-dop (folder numbers)
- (elmo-dop-queue-append folder 'elmo-folder-unmark-important (list numbers)))
+ (let ((spool-folder (elmo-dop-spool-folder folder))
+ queue)
+ (dolist (number numbers)
+ (if (< number 0)
+ (progn
+ ;; delete from queue
+ (elmo-folder-delete-messages spool-folder
+ (list (abs number)))
+ (dolist (queue elmo-dop-queue)
+ (when (and (eq (elmo-dop-queue-fname queue)
+ (elmo-folder-name-internal folder))
+ (eq (elmo-dop-queue-method queue)
+ 'elmo-folder-append-buffer-dop-delayed)
+ (eq (abs number)
+ (nth 1 (elmo-dop-queue-arguments queue))))
+ (setq elmo-dop-queue (delq queue elmo-dop-queue)))))
+ (setq queue (cons number queue))))
+ (when queue
+ (elmo-dop-queue-append folder 'elmo-folder-delete-messages-dop-delayed
+ (list
+ (mapcar
+ (lambda (number)
+ (cons number (elmo-message-field
+ folder number 'message-id)))
+ queue))))
+ t))
+
+(defsubst elmo-message-encache-dop (folder number &optional read)
+ (elmo-dop-queue-append folder 'elmo-message-encache (list number read)))
+
+(defsubst elmo-folder-create-dop (folder)
+ (elmo-dop-queue-append folder 'elmo-folder-create-dop-delayed nil))
+
+(defsubst elmo-folder-set-flag-dop (folder numbers flag)
+ (when (setq numbers (elmo-dop-filter-pending-messages numbers))
+ (let ((method (case flag
+ (unread
+ 'elmo-folder-unset-read-delayed)
+ (read
+ 'elmo-folder-set-read-delayed)
+ (important
+ 'elmo-folder-set-important-delayed)
+ (answered
+ 'elmo-folder-set-answered-delayed))))
+ (if method
+ (elmo-dop-queue-append folder method (list numbers))
+ (elmo-dop-queue-append folder 'elmo-folder-set-flag
+ (list numbers flag))))))
+
+(defsubst elmo-folder-unset-flag-dop (folder numbers flag)
+ (when (setq numbers (elmo-dop-filter-pending-messages numbers))
+ (let ((method (case flag
+ (unread
+ 'elmo-folder-set-read-delayed)
+ (read
+ 'elmo-folder-unset-read-delayed)
+ (important
+ 'elmo-folder-unset-important-delayed)
+ (answered
+ 'elmo-folder-unset-answered-delayed))))
+ (if method
+ (elmo-dop-queue-append folder method (list numbers))
+ (elmo-dop-queue-append folder 'elmo-folder-unset-flag
+ (list numbers flag))))))
;;; Execute as subsutitute for plugged operation.
(defun elmo-folder-status-dop (folder)
- (let* ((number-alist (elmo-msgdb-number-load
- (elmo-folder-msgdb-path folder)))
- (number-list (mapcar 'car number-alist))
- (spool-folder (elmo-dop-spool-folder folder))
- spool-length
- (i 0)
- max-num)
- (setq spool-length (length (car (if (elmo-folder-exists-p spool-folder)
- (elmo-folder-status spool-folder)))))
- (setq max-num
- (or (nth (max (- (length number-list) 1) 0) number-list)
- 0))
+ (let ((number-list (elmo-folder-list-messages folder nil 'in-msgdb))
+ (spool-folder (elmo-dop-spool-folder folder))
+ spool-length
+ max-num)
+ (setq spool-length (or (if (elmo-folder-exists-p spool-folder)
+ (car (elmo-folder-status spool-folder)))
+ 0))
+ (setq max-num (if number-list (apply #'max number-list) 0))
(cons (+ max-num spool-length) (+ (length number-list) spool-length))))
-;;; Delayed operation (executed at online status).
-(defun elmo-folder-append-buffer-dop-delayed (folder unread number set-number)
+(defun elmo-folder-next-message-number-dop (folder)
(let ((spool-folder (elmo-dop-spool-folder folder)))
+ (- (+ 1 (elmo-max-of-list (or (elmo-folder-list-messages
+ spool-folder)
+ '(0)))))))
+
+;;; Delayed operation (executed at online status).
+(defun elmo-folder-append-buffer-dop-delayed (folder flag number set-number)
+ (let ((spool-folder (elmo-dop-spool-folder folder))
+ flags)
(with-temp-buffer
- (elmo-message-fetch spool-folder number
- (elmo-make-fetch-strategy 'entire)
- nil (current-buffer) 'unread)
- (condition-case nil
- (elmo-folder-append-buffer folder unread set-number)
- (error
- ;; Append failed...
- (elmo-folder-append-buffer (elmo-make-folder elmo-lost+found-folder)
- unread set-number)))
- (elmo-folder-delete-messages spool-folder (list number))
- t)))
+ (when (elmo-message-fetch spool-folder number
+ (elmo-make-fetch-strategy 'entire)
+ 'unread)
+ (setq flags (or (elmo-message-flags-for-append folder (* -1 number))
+ (cond ((listp flag)
+ flag)
+ ;; for compatibility with 2.11.12 or earlier
+ ((eq flag t)
+ nil)
+ (t
+ (list flag)))))
+ (when (or (condition-case nil
+ (let ((new-num (elmo-folder-next-message-number folder)))
+ (prog1
+ (elmo-folder-append-buffer folder flags set-number)
+ (elmo-emit-signal 'message-number-changed
+ folder (- number) new-num)))
+ (error))
+ ;; Append failed...
+ (elmo-folder-append-buffer
+ (elmo-get-folder elmo-lost+found-folder)
+ flags))
+ (elmo-folder-delete-messages spool-folder (list number)))))
+ ;; ignore failure (already dequed)
+ t))
(defun elmo-folder-delete-messages-dop-delayed (folder number-alist)
- (elmo-folder-delete-messages
- folder
- ;; messages are deleted only if message-id is not changed.
- (mapcar 'car
- (elmo-delete-if
- (lambda (pair)
- (not (string=
- (cdr pair)
- (elmo-message-fetch-field folder (car pair)
- 'message-id))))
- number-alist))))
+ (ignore-errors
+ (elmo-folder-delete-messages
+ folder
+ ;; messages are deleted only if message-id is not changed.
+ (mapcar 'car
+ (elmo-delete-if
+ (lambda (pair)
+ (not (string=
+ (cdr pair)
+ (elmo-message-fetch-field folder (car pair)
+ 'message-id))))
+ number-alist)))
+ t)) ; Always success (If failure, just remain)
+
+(defun elmo-folder-create-dop-delayed (folder)
+ (unless (elmo-folder-exists-p folder)
+ (elmo-folder-create folder)))
+
+(defun elmo-folder-set-important-delayed (folder numbers)
+ (elmo-folder-set-flag folder numbers 'important))
+
+(defun elmo-folder-unset-important-delayed (folder numbers)
+ (elmo-folder-unset-flag folder numbers 'important))
+
+(defun elmo-folder-set-read-delayed (folder numbers)
+ (elmo-folder-unset-flag folder numbers 'unread))
+
+(defun elmo-folder-unset-read-delayed (folder numbers)
+ (elmo-folder-set-flag folder numbers 'unread))
+
+(defun elmo-folder-set-answered-delayed (folder numbers)
+ (elmo-folder-set-flag folder numbers 'answered))
+
+(defun elmo-folder-unset-answered-delayed (folder numbers)
+ (elmo-folder-unset-flag folder numbers 'answered))
;;; Util
(defun elmo-dop-msgdb (msgdb)
- (list (mapcar (function
- (lambda (x)
- (elmo-msgdb-overview-entity-set-number
- x
- (* -1
- (elmo-msgdb-overview-entity-get-number x)))))
- (nth 0 msgdb))
- (mapcar (function
- (lambda (x) (cons
- (* -1 (car x))
- (cdr x))))
- (nth 1 msgdb))
- (mapcar (function
- (lambda (x) (cons
- (* -1 (car x))
- (cdr x)))) (nth 2 msgdb))))
+ (let ((new-db (elmo-make-msgdb))
+ entity)
+ (dolist (dop-entity (mapcar
+ (lambda (number)
+ (setq entity (elmo-msgdb-message-entity
+ msgdb number))
+ (elmo-message-entity-set-number
+ entity
+ (* -1 (elmo-message-entity-number entity)))
+ entity)
+ (elmo-msgdb-list-messages msgdb)))
+ (elmo-msgdb-append-entity new-db
+ dop-entity
+ (elmo-msgdb-flags
+ msgdb
+ (abs (elmo-message-entity-number
+ dop-entity)))))
+ new-db))
(require 'product)
(product-provide (provide 'elmo-dop) (require 'elmo-version))