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;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
;; Author: Yuuichi Teranishi <teranisi@gohome.org>
;; Keywords: mail, net news
;; This file is part of ELMO (Elisp Library for Message Orchestration).
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;
;;; Commentary:
;;
;;; Code:
;;
(eval-when-compile (require 'cl))
(require 'elmo)
(require 'elmo-signal)
(require 'luna)
(defvar elmo-multi-divide-number 100000
"*Multi divider number.")
(defvar elmo-multi-max-number 1)
;;; ELMO Multi folder
(eval-and-compile
(luna-define-class elmo-multi-folder (elmo-folder)
(children divide-number))
(luna-define-internal-accessors 'elmo-multi-folder))
(defmacro elmo-multi-real-folder-number (folder number)
"Returns a cons cell of real FOLDER and NUMBER."
`(cons (nth (1- (/ ,number
(elmo-multi-folder-divide-number-internal ,folder)))
(elmo-multi-folder-children-internal ,folder))
(% ,number (elmo-multi-folder-divide-number-internal ,folder))))
(defmacro elmo-multi-check-divide-number (max)
`(when (and (>= ,max elmo-multi-divide-number)
(> ,max elmo-multi-max-number))
(elmo-warning
"`elmo-multi-number' is too small. It must be larger than %d" ,max)
(setq elmo-multi-max-number ,max)))
(luna-define-method elmo-folder-initialize ((folder
elmo-multi-folder)
name)
(while (> (length (car (setq name (elmo-parse-token name "," nil t)))) 0)
(elmo-multi-folder-set-children-internal
folder
(nconc (elmo-multi-folder-children-internal
folder)
(list (elmo-get-folder (car name)))))
(setq name (cdr name))
(when (and (> (length name) 0)
(eq (aref name 0) ?,))
(setq name (substring name 1))))
(elmo-multi-folder-set-divide-number-internal
folder
elmo-multi-divide-number)
(elmo-multi-connect-signals folder)
folder)
(defun elmo-multi-connect-signals (folder)
(elmo-connect-signal
nil 'flag-changing folder
(elmo-define-signal-handler (folder child number old-flags new-flags)
(elmo-emit-signal 'flag-changing folder
(car (elmo-multi-map-numbers folder child (list number)))
old-flags new-flags))
(elmo-define-signal-filter (folder sender)
(memq sender (elmo-multi-folder-children-internal folder))))
(elmo-connect-signal
nil 'flag-changed folder
(elmo-define-signal-handler (folder child numbers)
(elmo-emit-signal 'flag-changed folder
(elmo-multi-map-numbers folder child numbers)))
(elmo-define-signal-filter (folder sender)
(memq sender (elmo-multi-folder-children-internal folder))))
(elmo-connect-signal
nil 'status-changed folder
(elmo-define-signal-handler (folder child numbers)
(elmo-emit-signal 'status-changed folder
(elmo-multi-map-numbers folder child numbers)))
(elmo-define-signal-filter (folder sender)
(memq sender (elmo-multi-folder-children-internal folder))))
(elmo-connect-signal
nil 'update-overview folder
(elmo-define-signal-handler (folder child number)
(elmo-emit-signal
'update-overview folder
(car (elmo-multi-map-numbers folder child (list number)))))
(elmo-define-signal-filter (folder sender)
(memq sender (elmo-multi-folder-children-internal folder)))))
(defun elmo-multi-map-numbers (folder child numbers)
(let ((children (elmo-multi-folder-children-internal folder))
hit offset)
(when (setq hit (memq child children))
(setq offset (* (elmo-multi-folder-divide-number-internal folder)
(- (length children) (length hit) -1)))
(mapcar (lambda (number) (+ offset number))
numbers))))
(luna-define-method elmo-folder-open-internal ((folder elmo-multi-folder))
(dolist (fld (elmo-multi-folder-children-internal folder))
(elmo-folder-open-internal fld)))
(luna-define-method elmo-folder-check ((folder elmo-multi-folder))
(dolist (fld (elmo-multi-folder-children-internal folder))
(elmo-folder-check fld)))
(luna-define-method elmo-folder-close-internal ((folder elmo-multi-folder))
(dolist (fld (elmo-multi-folder-children-internal folder))
(elmo-folder-close-internal fld)))
(luna-define-method elmo-folder-close ((folder elmo-multi-folder))
(elmo-generic-folder-close folder)
(dolist (fld (elmo-multi-folder-children-internal folder))
(elmo-folder-close fld)))
(luna-define-method elmo-message-killed-p ((folder elmo-multi-folder) number)
(let ((pair (elmo-multi-real-folder-number folder number)))
(elmo-message-killed-p (car pair) (cdr pair))))
(luna-define-method elmo-folder-synchronize ((folder elmo-multi-folder)
&optional
disable-killed
ignore-msgdb
no-check
mask)
(if mask
(dolist (element (elmo-multi-split-numbers folder mask))
(when (cdr element)
(elmo-folder-synchronize (car element)
disable-killed
ignore-msgdb
no-check
(cdr element))))
(dolist (fld (elmo-multi-folder-children-internal folder))
(elmo-folder-synchronize fld disable-killed ignore-msgdb no-check)))
0)
(luna-define-method elmo-folder-expand-msgdb-path ((folder
elmo-multi-folder))
(expand-file-name (elmo-replace-string-as-filename
(elmo-folder-name-internal folder))
(expand-file-name "multi"
elmo-msgdb-directory)))
(luna-define-method elmo-folder-newsgroups ((folder elmo-multi-folder))
(apply #'nconc
(mapcar
'elmo-folder-newsgroups
(elmo-multi-folder-children-internal folder))))
(luna-define-method elmo-folder-get-primitive-list ((folder elmo-multi-folder))
(elmo-flatten
(mapcar
'elmo-folder-get-primitive-list
(elmo-multi-folder-children-internal folder))))
(luna-define-method elmo-folder-contains-type ((folder elmo-multi-folder) type)
(let ((children (elmo-multi-folder-children-internal folder))
match)
(while children
(when (elmo-folder-contains-type (car children) type)
(setq match t)
(setq children nil))
(setq children (cdr children)))
match))
(luna-define-method elmo-message-folder ((folder elmo-multi-folder)
number)
(nth (- (/ number (elmo-multi-folder-divide-number-internal folder)) 1)
(elmo-multi-folder-children-internal folder)))
(luna-define-method elmo-message-cached-p ((folder elmo-multi-folder) number)
(let ((pair (elmo-multi-real-folder-number folder number)))
(elmo-message-cached-p (car pair) (cdr pair))))
(luna-define-method elmo-message-set-cached ((folder elmo-multi-folder)
number cached)
(let ((pair (elmo-multi-real-folder-number folder number)))
(elmo-message-set-cached (car pair) (cdr pair) cached)))
(luna-define-method elmo-find-fetch-strategy ((folder elmo-multi-folder)
number
&optional
ignore-cache
require-entireness)
(let ((pair (elmo-multi-real-folder-number folder number)))
(elmo-find-fetch-strategy (car pair)
(cdr pair)
ignore-cache
require-entireness)))
(luna-define-method elmo-message-number ((folder elmo-multi-folder)
message-id)
(let ((children (elmo-multi-folder-children-internal folder))
match)
(while children
(when (setq match (elmo-message-number (car children) message-id))
(setq children nil))
(setq children (cdr children)))
match))
(luna-define-method elmo-message-entity ((folder elmo-multi-folder) key)
(cond
((numberp key)
(let* ((pair (elmo-multi-real-folder-number folder key))
(entity (elmo-message-entity (car pair) (cdr pair))))
(when entity
(setq entity (elmo-message-copy-entity entity))
(elmo-message-entity-set-number entity key)
entity)))
((stringp key)
(let ((children (elmo-multi-folder-children-internal folder))
(cur-number 0)
match)
(while children
(setq cur-number (+ cur-number 1))
(when (setq match (elmo-message-entity (car children) key))
(setq match (elmo-message-copy-entity match))
(elmo-message-entity-set-number
match
(+ (* (elmo-multi-folder-divide-number-internal folder)
cur-number)
(elmo-message-entity-number match)))
(setq children nil))
(setq children (cdr children)))
match))))
(luna-define-method elmo-message-entity-parent ((folder
elmo-multi-folder) entity)
(let ((references (elmo-message-entity-field entity 'references))
parent)
;; In old msgdb, references's field is a string.
(when (stringp references)
(setq references (list references)))
(while references
(setq references
(if (setq parent (elmo-message-entity folder (car references)))
nil
(cdr references))))
parent))
(luna-define-method elmo-message-field ((folder elmo-multi-folder)
number field &optional type)
(let ((pair (elmo-multi-real-folder-number folder number)))
(elmo-message-field (car pair) (cdr pair) field type)))
(luna-define-method elmo-message-flag-available-p ((folder
elmo-multi-folder) number
flag)
(let ((pair (elmo-multi-real-folder-number folder number)))
(elmo-message-flag-available-p (car pair) (cdr pair) flag)))
(luna-define-method elmo-message-flags ((folder elmo-multi-folder) number)
(let ((pair (elmo-multi-real-folder-number folder number)))
(elmo-message-flags (car pair) (cdr pair))))
(defun elmo-multi-split-numbers (folder numlist &optional as-is)
(let ((numbers (sort numlist '<))
(folders (elmo-multi-folder-children-internal folder))
(divider (elmo-multi-folder-divide-number-internal folder))
(cur-number 0)
(offset 0)
one-list numbers-list limit)
(while numbers
(setq one-list (list (car folders))
cur-number (1+ cur-number)
offset (+ offset divider)
limit (+ offset divider))
(while (and numbers
(> limit (car numbers)))
(setq one-list (cons (if as-is
(car numbers)
(- (car numbers) offset))
one-list)
numbers (cdr numbers)))
(setq folders (cdr folders)
numbers-list (cons (nreverse one-list) numbers-list)))
(nreverse numbers-list)))
(luna-define-method elmo-folder-process-crosspost ((folder elmo-multi-folder))
(dolist (child (elmo-multi-folder-children-internal folder))
(elmo-folder-process-crosspost child)))
(luna-define-method elmo-message-fetch ((folder elmo-multi-folder)
number strategy
&optional unseen section)
(let ((pair (elmo-multi-real-folder-number folder number)))
(elmo-message-fetch (car pair) (cdr pair) strategy unseen section)))
(luna-define-method elmo-folder-delete-messages ((folder elmo-multi-folder)
numbers)
(dolist (element (elmo-multi-split-numbers folder numbers))
(when (cdr element)
(elmo-folder-delete-messages (car element) (cdr element))))
t)
(luna-define-method elmo-folder-detach-messages ((folder elmo-multi-folder)
numbers)
(dolist (element (elmo-multi-split-numbers folder numbers))
(when (cdr element)
(elmo-folder-detach-messages (car element) (cdr element))))
t)
(luna-define-method elmo-folder-diff ((folder elmo-multi-folder))
(elmo-multi-folder-diff folder))
(defun elmo-multi-folder-diff (folder)
(let ((news 0)
(unreads 0)
(alls 0)
diff value)
(dolist (child (elmo-multi-folder-children-internal folder))
(setq diff (elmo-folder-diff child))
(setq news (and news
(setq value (elmo-diff-new diff))
(+ news value))
unreads (and unreads
(setq value (elmo-diff-unread diff))
(+ unreads value))
alls (and alls
(setq value (elmo-diff-all diff))
(+ alls value))))
(if unreads
(list news unreads alls)
(cons news alls))))
(luna-define-method elmo-folder-list-messages
((folder elmo-multi-folder) &optional visible-only in-msgdb)
(let* ((flds (elmo-multi-folder-children-internal folder))
(cur-number 0)
(max 0)
list numbers base)
(while flds
(setq cur-number (+ cur-number 1)
list (elmo-folder-list-messages (car flds) visible-only in-msgdb)
max (apply 'max max list)
base (* (elmo-multi-folder-divide-number-internal folder)
cur-number)
numbers (nconc numbers (mapcar (lambda (x) (+ base x))
list))
flds (cdr flds)))
(elmo-multi-check-divide-number max)
numbers))
(luna-define-method elmo-folder-exists-p ((folder elmo-multi-folder))
(let ((flds (elmo-multi-folder-children-internal folder)))
(catch 'exists
(while flds
(unless (elmo-folder-exists-p (car flds))
(throw 'exists nil))
(setq flds (cdr flds)))
t)))
(luna-define-method elmo-folder-creatable-p ((folder elmo-multi-folder))
(let ((flds (elmo-multi-folder-children-internal folder)))
(catch 'creatable
(while flds
(when (and (elmo-folder-creatable-p (car flds))
(not (elmo-folder-exists-p (car flds))))
;; If folder already exists, don't to `creatable'.
;; Because this function is called, when folder doesn't exists.
(throw 'creatable t))
(setq flds (cdr flds)))
nil)))
(luna-define-method elmo-folder-create ((folder elmo-multi-folder))
(let ((flds (elmo-multi-folder-children-internal folder)))
(catch 'create
(while flds
(unless (or (elmo-folder-exists-p (car flds))
(elmo-folder-create (car flds)))
(throw 'create nil))
(setq flds (cdr flds)))
t)))
(luna-define-method elmo-folder-search ((folder elmo-multi-folder)
condition &optional numbers)
(apply 'nconc
(delq nil
(if (and numbers (listp numbers))
(mapcar (lambda (element)
(when (cdr element)
(elmo-multi-map-numbers
folder
(car element)
(elmo-folder-search
(car element) condition (cdr element)))))
(elmo-multi-split-numbers folder numbers))
(mapcar (lambda (child)
(elmo-multi-map-numbers
folder child (elmo-folder-search child condition numbers)))
(elmo-multi-folder-children-internal folder))))))
(luna-define-method elmo-message-use-cache-p ((folder elmo-multi-folder)
number)
(let ((pair (elmo-multi-real-folder-number folder number)))
(elmo-message-use-cache-p (car pair) (cdr pair))))
(luna-define-method elmo-message-file-p ((folder elmo-multi-folder) number)
(let ((pair (elmo-multi-real-folder-number folder number)))
(elmo-message-file-p (car pair) (cdr pair))))
(luna-define-method elmo-message-file-name ((folder elmo-multi-folder) number)
(let ((pair (elmo-multi-real-folder-number folder number)))
(elmo-message-file-name (car pair) (cdr pair))))
(luna-define-method elmo-folder-plugged-p ((folder elmo-multi-folder))
(let ((flds (elmo-multi-folder-children-internal folder)))
(catch 'plugged
(while flds
(unless (elmo-folder-plugged-p (car flds))
(throw 'plugged nil))
(setq flds (cdr flds)))
t)))
(luna-define-method elmo-folder-set-plugged ((folder elmo-multi-folder)
plugged add)
(let ((flds (elmo-multi-folder-children-internal folder)))
(dolist (fld flds)
(elmo-folder-set-plugged fld plugged add))))
(defun elmo-multi-folder-numbers-list-assoc (folder folder-numbers)
(let (ent)
(while folder-numbers
(when (string= (elmo-folder-name-internal (car (car folder-numbers)))
(elmo-folder-name-internal folder))
(setq ent (car folder-numbers)
folder-numbers nil))
(setq folder-numbers (cdr folder-numbers)))
ent))
(defun elmo-multi-make-folder-numbers-list (folder msgs)
(let ((msg-list msgs)
pair fld-list
ret-val)
(while msg-list
(when (and (numberp (car msg-list))
(> (car msg-list) 0))
(setq pair (elmo-multi-real-folder-number folder (car msg-list)))
(if (setq fld-list (elmo-multi-folder-numbers-list-assoc
(car pair)
ret-val))
(setcdr fld-list (cons (cdr pair) (cdr fld-list)))
(setq ret-val (cons (cons (car pair) (list (cdr pair))) ret-val))))
(setq msg-list (cdr msg-list)))
ret-val))
(luna-define-method elmo-folder-set-flag ((folder elmo-multi-folder)
numbers
flag
&optional is-local)
(dolist (pair (elmo-multi-make-folder-numbers-list folder numbers))
(elmo-folder-set-flag (car pair) (cdr pair) flag is-local)))
(luna-define-method elmo-folder-unset-flag ((folder elmo-multi-folder)
numbers
flag
&optional is-local)
(dolist (pair (elmo-multi-make-folder-numbers-list folder numbers))
(ignore-errors
(elmo-folder-unset-flag (car pair) (cdr pair) flag is-local))))
(luna-define-method elmo-folder-list-flagged ((folder elmo-multi-folder)
flag
&optional in-msgdb)
(let ((cur-number 0)
(max 0)
base numbers list)
(dolist (child (elmo-multi-folder-children-internal folder))
(setq list (elmo-folder-list-flagged child flag in-msgdb)
max (apply 'max max list)
cur-number (1+ cur-number)
base (* (elmo-multi-folder-divide-number-internal folder)
cur-number)
numbers (nconc numbers (mapcar (lambda (x) (+ base x)) list))))
(elmo-multi-check-divide-number max)
numbers))
(luna-define-method elmo-folder-commit ((folder elmo-multi-folder))
(dolist (child (elmo-multi-folder-children-internal folder))
(elmo-folder-commit child)))
(luna-define-method elmo-folder-length ((folder elmo-multi-folder))
(apply '+ (mapcar 'elmo-folder-length
(elmo-multi-folder-children-internal folder))))
(luna-define-method elmo-folder-count-flags ((folder elmo-multi-folder))
(let (flag-alist element)
(dolist (child (elmo-multi-folder-children-internal folder))
(dolist (pair (elmo-folder-count-flags child))
(if (setq element (assq (car pair) flag-alist))
(setcdr element (+ (cdr element) (cdr pair)))
(setq flag-alist (cons pair flag-alist)))))
flag-alist))
(luna-define-method elmo-folder-recover-messages ((folder elmo-multi-folder)
numbers)
(dolist (element (elmo-multi-split-numbers folder numbers))
(when (cdr element)
(elmo-folder-recover-messages (car element) (cdr element)))))
(defun elmo-folder-append-messages-multi-* (dst-folder
src-folder
numbers
same-number)
(if same-number
(elmo-folder-append-messages dst-folder src-folder numbers same-number
'elmo-folder-append-messages-multi-*)
(let ((divider (elmo-multi-folder-divide-number-internal src-folder))
(cur-number 0)
(offset 0)
succeeds)
(dolist (element (elmo-multi-split-numbers src-folder numbers))
(setq cur-number (1+ cur-number)
offset (+ offset divider))
(when (cdr element)
(setq succeeds
(cons (mapcar (lambda (x) (+ offset x))
(elmo-folder-append-messages
dst-folder (car element) (cdr element)))
succeeds))))
(apply 'nconc succeeds))))
(require 'product)
(product-provide (provide 'elmo-multi) (require 'elmo-version))
;;; elmo-multi.el ends here
|