/usr/share/emacs/site-lisp/wl/elmo/elmo-filter.el is in wl-beta 2.15.9+0.20151119-1.
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;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
;; Author: Yuuichi Teranishi <teranisi@gohome.org>
;; Hiroya Murata <lapis-lazuli@pop06.odn.ne.jp>
;; 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:
;;
(require 'elmo)
(require 'elmo-signal)
(require 'elmo-msgdb)
(defvar elmo-filter-number-filename "number-list"
"File name for message number database.")
;;; ELMO filter folder
(eval-and-compile
(luna-define-class elmo-filter-folder (elmo-folder)
(condition target require-msgdb number-list flag-count))
(luna-define-internal-accessors 'elmo-filter-folder))
(luna-define-method elmo-folder-initialize ((folder elmo-filter-folder)
name)
(let (pair)
(setq pair (elmo-parse-search-condition name))
(elmo-filter-folder-set-condition-internal folder (car pair))
(if (string-match "^ */\\(.*\\)$" (cdr pair))
(elmo-filter-folder-set-target-internal
folder
(elmo-get-folder (match-string 1 (cdr pair))))
(error "Folder syntax error `%s'" (elmo-folder-name-internal folder)))
(elmo-filter-folder-set-require-msgdb-internal
folder
(elmo-folder-search-requires-msgdb-p
(elmo-filter-folder-target-internal folder)
(elmo-filter-folder-condition-internal folder)))
(elmo-filter-folder-set-number-list-internal folder 'not-loaded)
(elmo-filter-connect-signals
folder
(elmo-filter-folder-target-internal folder))
folder))
(defun elmo-filter-connect-signals (folder target)
(elmo-connect-signal
target 'flag-changing folder
(elmo-define-signal-handler (folder target number old-flags new-flags)
(elmo-filter-add-flag-count folder old-flags -1)
(elmo-filter-add-flag-count folder new-flags)
(elmo-emit-signal 'flag-changing folder number old-flags new-flags))
(elmo-define-signal-filter (folder target number)
(memq number (elmo-folder-list-messages folder nil t))))
(elmo-connect-signal
target 'flag-changed folder
(elmo-define-signal-handler (folder target numbers)
(let ((filterd (elmo-list-filter
(elmo-folder-list-messages folder nil t)
numbers)))
(when filterd
(elmo-emit-signal 'flag-changed folder filterd)))))
(elmo-connect-signal
target 'status-changed folder
(elmo-define-signal-handler (folder target numbers)
(let ((filterd (elmo-list-filter
(elmo-folder-list-messages folder nil t)
numbers)))
(when filterd
(elmo-emit-signal 'status-changed folder filterd)))))
(elmo-connect-signal
target 'update-overview folder
(elmo-define-signal-handler (folder target number)
(elmo-emit-signal 'update-overview folder number))
(elmo-define-signal-filter (folder target number)
(memq number (elmo-folder-list-messages folder nil t)))))
(defun elmo-filter-number-list-load (dir)
(elmo-object-load
(expand-file-name elmo-filter-number-filename dir)))
(defun elmo-filter-number-list-save (dir number-list)
(elmo-object-save
(expand-file-name elmo-filter-number-filename dir)
number-list))
(defun elmo-filter-folder-number-list-loaded-p (folder)
(listp (elmo-filter-folder-number-list-internal folder)))
(defun elmo-filter-folder-number-list (folder)
(let ((numbers (elmo-filter-folder-number-list-internal folder)))
(if (listp numbers)
numbers
(elmo-filter-folder-set-number-list-internal
folder
(elmo-filter-number-list-load (elmo-folder-msgdb-path folder))))))
(defsubst elmo-filter-folder-countup-message-flags (folder numbers
&optional delta)
(let ((flag-count (elmo-filter-folder-flag-count-internal folder))
(delta (or delta 1))
elem)
(dolist (number numbers)
(dolist (flag (elmo-message-flags folder number))
(if (setq elem (assq flag flag-count))
(setcdr elem (+ (cdr elem) delta))
(setq flag-count (cons (cons flag delta) flag-count)))))
(elmo-filter-folder-set-flag-count-internal folder flag-count)))
(defun elmo-filter-add-flag-count (folder flags &optional delta)
(let ((flag-count (elmo-filter-folder-flag-count-internal folder))
(delta (or delta 1))
elem)
(dolist (flag flags)
(if (setq elem (assq flag flag-count))
(setcdr elem (+ (cdr elem) delta))
(setq flag-count (cons (cons flag delta) flag-count))))
(elmo-filter-folder-set-flag-count-internal folder flag-count)))
(defun elmo-filter-folder-flag-count (folder)
(or (elmo-filter-folder-flag-count-internal folder)
(elmo-filter-folder-countup-message-flags
folder
(elmo-folder-list-messages folder t t))))
(defun elmo-filter-folder-copy-flag-count (flag-counts)
(mapcar (lambda (pair) (cons (car pair) (cdr pair))) flag-counts))
(luna-define-method elmo-folder-open :after ((folder elmo-filter-folder)
&optional load-msgdb)
(when load-msgdb
(elmo-filter-folder-number-list folder)
(elmo-filter-folder-flag-count folder)
(elmo-folder-msgdb (elmo-filter-folder-target-internal folder))))
(luna-define-method elmo-folder-open-internal ((folder elmo-filter-folder))
(elmo-folder-open-internal (elmo-filter-folder-target-internal folder)))
(luna-define-method elmo-folder-check ((folder elmo-filter-folder))
(when (elmo-filter-folder-require-msgdb-internal folder)
(elmo-folder-synchronize (elmo-filter-folder-target-internal folder))))
(luna-define-method elmo-folder-close-internal ((folder elmo-filter-folder))
(elmo-folder-close-internal (elmo-filter-folder-target-internal folder)))
(luna-define-method elmo-folder-close ((folder elmo-filter-folder))
(elmo-generic-folder-close folder)
(elmo-filter-folder-set-number-list-internal folder 'not-loaded)
(elmo-filter-folder-set-flag-count-internal folder nil)
(elmo-folder-close (elmo-filter-folder-target-internal folder)))
(luna-define-method elmo-folder-commit ((folder elmo-filter-folder))
(elmo-folder-commit (elmo-filter-folder-target-internal folder))
(when (elmo-folder-persistent-p folder)
(elmo-folder-set-info-max-by-numdb
folder
(elmo-folder-list-messages folder nil 'in-msgdb))
(elmo-msgdb-killed-list-save
(elmo-folder-msgdb-path folder)
(elmo-folder-killed-list-internal folder))
(when (elmo-filter-folder-number-list-loaded-p folder)
(elmo-filter-number-list-save
(elmo-folder-msgdb-path folder)
(elmo-filter-folder-number-list folder)))))
(luna-define-method elmo-folder-expand-msgdb-path ((folder
elmo-filter-folder))
(expand-file-name
(elmo-replace-string-as-filename (elmo-folder-name-internal folder))
(expand-file-name "filter" elmo-msgdb-directory)))
(luna-define-method elmo-folder-search-requires-msgdb-p ((folder
elmo-filter-folder)
condition)
(elmo-folder-search-requires-msgdb-p
(elmo-filter-folder-target-internal folder) condition))
(luna-define-method elmo-folder-newsgroups ((folder elmo-filter-folder))
(elmo-folder-newsgroups (elmo-filter-folder-target-internal folder)))
(luna-define-method elmo-find-fetch-strategy ((folder elmo-filter-folder)
number
&optional
ignore-cache
require-entireness)
(elmo-find-fetch-strategy
(elmo-filter-folder-target-internal folder)
number ignore-cache require-entireness))
(luna-define-method elmo-folder-get-primitive-list ((folder
elmo-filter-folder))
(elmo-folder-get-primitive-list (elmo-filter-folder-target-internal folder)))
(luna-define-method elmo-folder-contains-type ((folder elmo-filter-folder)
type)
(elmo-folder-contains-type
(elmo-filter-folder-target-internal folder)
type))
(luna-define-method elmo-folder-append-buffer ((folder elmo-filter-folder)
&optional flag number
return-number)
(elmo-folder-append-buffer
(elmo-filter-folder-target-internal folder)
flag number return-number))
(defun elmo-folder-append-messages-filter-* (dst-folder
src-folder
numbers
same-number)
(elmo-folder-append-messages dst-folder
(elmo-filter-folder-target-internal src-folder)
numbers
same-number))
(defun elmo-folder-append-messages-*-filter (dst-folder
src-folder
numbers
same-number)
(elmo-folder-append-messages (elmo-filter-folder-target-internal dst-folder)
src-folder
numbers
same-number))
(luna-define-method elmo-message-fetch-bodystructure ((folder
elmo-filter-folder)
number strategy)
(elmo-message-fetch-bodystructure
(elmo-filter-folder-target-internal folder)
number strategy))
(luna-define-method elmo-message-fetch ((folder elmo-filter-folder)
number strategy
&optional unseen section)
(elmo-message-fetch (elmo-filter-folder-target-internal folder)
number strategy unseen section))
(luna-define-method elmo-folder-delete-messages ((folder elmo-filter-folder)
numbers)
(let ((flag-count (elmo-filter-folder-copy-flag-count
(elmo-filter-folder-flag-count-internal folder)))
(messages (copy-sequence
(elmo-filter-folder-number-list folder)))
success)
(elmo-folder-detach-messages folder numbers)
(unless (setq success
(elmo-folder-delete-messages
(elmo-filter-folder-target-internal folder) numbers))
(elmo-filter-folder-set-flag-count-internal folder flag-count)
(elmo-filter-folder-set-number-list-internal folder messages))
success))
(luna-define-method elmo-folder-list-messages ((folder elmo-filter-folder)
&optional visible-only in-msgdb)
(let ((list (if in-msgdb
t
(elmo-folder-list-messages-internal folder visible-only)))
(killed-list (elmo-folder-killed-list-internal folder)))
(unless (listp list)
;; Use current list.
(setq list (elmo-filter-folder-number-list folder)))
(if visible-only
(elmo-living-messages list killed-list)
(if (and in-msgdb killed-list list)
(elmo-sort-uniq-number-list
(nconc (elmo-number-set-to-number-list killed-list) list))
list))))
(luna-define-method elmo-folder-list-messages-internal
((folder elmo-filter-folder) &optional nohide)
(let ((target (elmo-filter-folder-target-internal folder)))
(if (or (elmo-folder-plugged-p target)
(not (elmo-folder-persistent-p folder)))
;; search target folder
(elmo-folder-search
target
(elmo-filter-folder-condition-internal folder))
;; not available
t)))
(luna-define-method elmo-folder-list-flagged ((folder elmo-filter-folder)
flag
&optional in-msgdb)
(elmo-list-filter
(elmo-folder-list-messages folder nil t)
(elmo-folder-list-flagged
(elmo-filter-folder-target-internal folder) flag in-msgdb)))
(luna-define-method elmo-folder-list-subfolders ((folder elmo-filter-folder)
&optional one-level)
(let* ((target (elmo-filter-folder-target-internal folder))
(prefix (and (string-match
(concat "^\\(.*\\)"
(regexp-quote
(elmo-folder-name-internal
target))
"$")
(elmo-folder-name-internal folder))
(match-string 1 (elmo-folder-name-internal
folder)))))
(elmo-mapcar-list-of-list
(lambda (x) (concat prefix x))
(elmo-folder-list-subfolders target one-level))))
(luna-define-method elmo-folder-diff :around ((folder elmo-filter-folder))
(let ((condition (elmo-filter-folder-condition-internal folder))
diff)
(if (vectorp condition)
(cond
((and (string= (elmo-filter-key condition) "flag")
(or (string= (elmo-filter-value condition) "any")
(string= (elmo-filter-value condition) "digest")
(string= (elmo-filter-value condition) "unread")))
(setq diff (elmo-folder-diff (elmo-filter-folder-target-internal
folder)))
(if (consp (cdr diff))
;; new unread unread
(list (car diff) (nth 1 diff) (nth 1 diff))
(cons (car diff) (car diff))))
((string= "last" (elmo-filter-key condition))
(luna-call-next-method))
(t
(cons nil (cdr (elmo-folder-diff (elmo-filter-folder-target-internal
folder))))))
(luna-call-next-method))))
(luna-define-method elmo-folder-status ((folder elmo-filter-folder))
(elmo-folder-status
(elmo-filter-folder-target-internal folder)))
(luna-define-method elmo-folder-exists-p ((folder elmo-filter-folder))
(elmo-folder-exists-p (elmo-filter-folder-target-internal folder)))
(luna-define-method elmo-folder-creatable-p ((folder elmo-filter-folder))
(elmo-folder-creatable-p (elmo-filter-folder-target-internal folder)))
(luna-define-method elmo-folder-writable-p ((folder elmo-filter-folder))
(elmo-folder-writable-p (elmo-filter-folder-target-internal folder)))
(luna-define-method elmo-folder-create ((folder elmo-filter-folder))
(elmo-folder-create (elmo-filter-folder-target-internal folder)))
(luna-define-method elmo-folder-search ((folder elmo-filter-folder)
condition &optional numbers)
;; search from messages in this folder
(elmo-folder-search
(elmo-filter-folder-target-internal folder)
condition
(cond
((null numbers)
(elmo-folder-list-messages folder))
((listp numbers)
numbers)
(t
(elmo-folder-list-messages folder 'visible 'in-msgdb)))))
(luna-define-method elmo-message-use-cache-p ((folder elmo-filter-folder)
number)
(elmo-message-use-cache-p (elmo-filter-folder-target-internal folder)
number))
(luna-define-method elmo-folder-message-file-p ((folder elmo-filter-folder))
(elmo-folder-message-file-p (elmo-filter-folder-target-internal folder)))
(luna-define-method elmo-folder-local-p ((folder elmo-filter-folder))
(elmo-folder-local-p (elmo-filter-folder-target-internal folder)))
(luna-define-method elmo-folder-plugged-p ((folder elmo-filter-folder))
(elmo-folder-plugged-p (elmo-filter-folder-target-internal folder)))
(luna-define-method elmo-folder-set-plugged ((folder elmo-filter-folder)
plugged &optional add)
(elmo-folder-set-plugged (elmo-filter-folder-target-internal folder)
plugged add))
(luna-define-method elmo-message-file-name ((folder elmo-filter-folder)
number)
(elmo-message-file-name (elmo-filter-folder-target-internal folder)
number))
(luna-define-method elmo-message-flag-available-p ((folder
elmo-filter-folder) number
flag)
(elmo-message-flag-available-p
(elmo-filter-folder-target-internal folder)
number flag))
(luna-define-method elmo-message-flags ((folder elmo-filter-folder) number)
(elmo-message-flags (elmo-filter-folder-target-internal folder)
number))
(luna-define-method elmo-message-set-cached ((folder elmo-filter-folder)
number cached)
(elmo-message-set-cached
(elmo-filter-folder-target-internal folder) number cached))
(luna-define-method elmo-message-number ((folder elmo-filter-folder)
message-id)
(elmo-message-number (elmo-filter-folder-target-internal folder)
message-id))
(luna-define-method elmo-message-entity ((folder elmo-filter-folder) key)
(elmo-message-entity (elmo-filter-folder-target-internal folder) key))
(luna-define-method elmo-message-entity-parent ((folder elmo-filter-folder)
entity)
(let ((parent (elmo-message-entity-parent
(elmo-filter-folder-target-internal folder)
entity)))
(when (memq (elmo-message-entity-number parent)
(elmo-filter-folder-number-list folder))
parent)))
(luna-define-method elmo-folder-flag-table ((folder elmo-filter-folder)
&optional if-exists)
(elmo-folder-flag-table (elmo-filter-folder-target-internal folder)
if-exists))
(luna-define-method elmo-folder-close-flag-table ((folder elmo-filter-folder))
(elmo-folder-close-flag-table (elmo-filter-folder-target-internal folder)))
(luna-define-method elmo-folder-count-flags ((folder elmo-filter-folder))
(elmo-filter-folder-flag-count folder))
(luna-define-method elmo-folder-set-flag ((folder elmo-filter-folder)
numbers
flag
&optional is-local)
(elmo-folder-set-flag (elmo-filter-folder-target-internal folder)
numbers flag is-local))
(luna-define-method elmo-folder-unset-flag ((folder elmo-filter-folder)
numbers
flag
&optional is-local)
(elmo-folder-unset-flag (elmo-filter-folder-target-internal folder)
numbers flag is-local))
(luna-define-method elmo-message-folder ((folder elmo-filter-folder)
number)
(elmo-message-folder (elmo-filter-folder-target-internal folder) number))
(luna-define-method elmo-message-field ((folder elmo-filter-folder)
number field &optional type)
(elmo-message-field
(elmo-filter-folder-target-internal folder) number field type))
(luna-define-method elmo-message-set-field ((folder elmo-filter-folder)
number field value)
(elmo-message-set-field
(elmo-filter-folder-target-internal folder) number field value))
(luna-define-method elmo-folder-clear ((folder elmo-filter-folder)
&optional keep-killed)
(unless keep-killed
(elmo-folder-set-killed-list-internal folder nil))
(elmo-filter-folder-set-number-list-internal folder nil)
(elmo-filter-folder-set-flag-count-internal folder nil))
(luna-define-method elmo-folder-synchronize ((folder elmo-filter-folder)
&optional
disable-killed
ignore-msgdb
no-check
mask)
(let ((killed-list (elmo-folder-killed-list-internal folder))
numbers)
(unless no-check
(when (elmo-filter-folder-require-msgdb-internal folder)
(elmo-folder-synchronize (elmo-filter-folder-target-internal folder)
disable-killed
ignore-msgdb
no-check
mask)))
(setq numbers (elmo-folder-list-messages folder (not disable-killed)))
(when (and numbers
(not (elmo-filter-folder-require-msgdb-internal folder)))
(elmo-folder-synchronize (elmo-filter-folder-target-internal folder)
'disable-killed
ignore-msgdb
no-check
(if mask
(elmo-list-filter mask numbers)
numbers)))
(when (and disable-killed ignore-msgdb)
(elmo-folder-set-killed-list-internal folder nil))
(elmo-filter-folder-set-number-list-internal folder numbers)
(elmo-filter-folder-set-flag-count-internal folder nil)
0))
(luna-define-method elmo-folder-detach-messages ((folder elmo-filter-folder)
numbers)
(elmo-filter-folder-countup-message-flags folder numbers -1)
(elmo-filter-folder-set-number-list-internal
folder
(elmo-list-delete numbers (elmo-filter-folder-number-list folder) #'delq))
t)
(luna-define-method elmo-folder-length ((folder elmo-filter-folder))
(and (elmo-filter-folder-number-list-loaded-p folder)
(length (elmo-filter-folder-number-list-internal folder))))
(require 'product)
(product-provide (provide 'elmo-filter) (require 'elmo-version))
;;; elmo-filter.el ends here
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